When you own a 4WD vehicle, you get the pleasure of being able to drive almost anywhere you want, which means no destination is too difficult for you to reach. Of course, this means there are a few extra parts to maintain in order to keep this feature, but it is a small price to pay when you are driving to places other vehicles could not even imagine driving to. One part you need to maintain is a 4WD actuator, which is perhaps the heart of the system.

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    • (2 reviews)
      # sp25365
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $30.44 - $173.41
    • (0 reviews)
      # sp37892
      Differential Lock Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $105.22 - $544.70
    • (0 reviews)
      # mpn963685
      Front 4WD Actuator by Crown®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your vehicle’s...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $109.57
    • (0 reviews)
      # sp102654
      GM Original Equipment™ Transfer Case 4WD Actuator by ACDelco®. ACDelco Equipment Actuators properly control the opening and closing of the blend door in your vehicle. Manufactured to meet the Original Equipment part in fit, form...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $177.06 - $422.52
    • (0 reviews)
      # sp10464
      Professional™ 4WD Actuator by ACDelco®. ACDelco Equipment Actuators properly control the opening and closing of the blend door in your vehicle. Manufactured to meet the Original Equipment part in fit, form and function, GM...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $102.46
    • (0 reviews)
      # sp92246
      Electric Shift Actuator by American Axle®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $75.56
    • (0 reviews)
      # sp31780
      4WD Actuator by Standard®. Is there excessive play in your steering wheel? Does your vehicle drift or pull, or veer when it hits a bump? Is your power steering noisy and does it leak? Your steering system is in need of repair, but...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $46.56 - $233.99
    • (0 reviews)
      # sp103750
      TechSmart™ 4WD Actuator by Standard®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your vehicle’s...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $72.84 - $618.74
    • (0 reviews)
      # sp32998
      Cable Operated Shift Actuator by 4x4 Posi-Lok®. It has come to our attention our high quality, American made product, has been "knocked off" by a cheap imitation import. 4x4 Posi-Lok replaces the thermal linear actuator with a...
      High quality at an affordable priceExpertly made from premium materials
      $164.87
    • (0 reviews)
      # sp32999
      Perm-Lok System by 4x4 Posi-Lok®. The Perm-Lok permanently engages the Central Axle Disconnect (CAD) system and couples both front axles permanently. Once installed, the front axles will not pull until the transfer case in...
      High quality at an affordable priceExpertly made from premium materials
      $81.36 - $85.78
    • (0 reviews)
      # sp33000
      Positive Axle Engagement System by 4x4 Posi-Lok®. It has come to our attention our high quality, American made product, has been "knocked off" by a cheap imitation import. This product is made of high-quality materials to serve...
      High quality at an affordable priceExpertly made from premium materials
      $154.44 - $164.87
    • (0 reviews)
      # sp110133
      4WD Actuator by Alloy USA®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $52.99
    • (0 reviews)
      # sp32015
      4WD Disconnect Axle Lock Kit by Alloy USA®. This kit replaces the failure prone original vacuum disconnect system. It includes a cable that allows you to engage and lock the front axle from inside the cab. With this kit you're...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $135.99
    • (0 reviews)
      # mpn2413500
      4WD Actuator Cable by Dorman®. Cable Length: 37". Engineered for long-lasting durability, Dorman’s Four-Wheel Drive (4WD) Actuator Cable restores four-wheel drive (4WD) operation by reestablishing control of the front...
      Corrosion-resistant plastic sheathing for enduring cable protectionHigh quality cable construction for extended use
      $29.96
    • (0 reviews)
      # sp37884
      4WD Actuator Fork by Dorman®. The 4WD Actuator Fork typically requires replacement due to a broken alignment pin and excessive wear and tear on contact pads. Dorman's OE FIX solution provides a completely redesigned actuator fork...
      Material upgraded from brittle cast aluminum to forged aluminum for greater strength and reliabilityDesigned with larger contact pads to help reduce load on alignment pin
      $27.23 - $49.55
    • (0 reviews)
      # sp37886
      4WD Axle Actuator Housing by Dorman®. Dorman’s Four-Wheel Drive (4WD) Actuator Housing is quality-engineered to restore the four-wheel drive to proper operation. It includes all the hardware necessary for a complete repair.
      Direct replacement for a proper fit every timeComes with c-clips, washers, bolts and nuts
      $17.18 - $399.63
    • (0 reviews)
      # mpn898407894
      Axle Locker Sensor by Omix-ADA®. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the supporting cast of seals, bearings, lock rings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $106.93
    • (0 reviews)
      # mpn1212268
      Front Axle Disconnect Shift Fork by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $21.75
    • (0 reviews)
      # mpn1212267
      Vacuum Disconnect Canister by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $72.99
    • (0 reviews)
      # sp106916
      4WD Actuator Fork by Crown®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your vehicle’s capability...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $26.24 - $32.58
    • (0 reviews)
      # sp106917
      4WD Disconnect by Crown®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your vehicle’s capability to...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $27.88 - $109.07
    • (0 reviews)
      # sp92243
      Disconnect Shifter Kit by American Axle®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $144.84 - $406.45
    • (0 reviews)
      # sp93515
      Posi-Lok Aluminum Shift Fork by 4x4 Posi-Lok®. It has come to our attention our high quality, American made product, has been "knocked off" by a cheap imitation import. 4x4 Posi-Lok replaces the vacuum actuator with a cable...
      Heavy-duty, aluminum fork with padsReplaces your old worn out fork and pads on Jeep applications
      $41.45
    • (0 reviews)
      # sp32016
      4WD (Four-Wheel Drive) Actuator Fork, Cast Iron by Alloy USA®. This heavy duty shift fork is an upgrade for both the factory Vaccum Disconnect and aftermarket differential cable lock systems.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $31.99
    • (0 reviews)
      # sp37885
      4WD Actuator Wire Harness by Dorman®. Dorman’s Four-Wheel Drive (4WD) Actuator Wire Harness is designed as an upgrade for older four-wheel drive (4WD) trucks. For use with the new on-demand actuator technology, it facilitates...
      Includes all necessary connectorsDirect replacement for a proper fit and ease of installation
      $36.79 - $56.23
    • (0 reviews)
      # sp37887
      4WD Hub Locking Solenoid by Dorman®. Dorman's Four-Wheel Drive (4WD) Hub Locking Solenoid restores control of your vehicle's 4WD system. Our Hub Locking Solenoid is thoroughly tested and designed with a durable plastic casing for...
      Ideal replacement for proper functioning of the 4WD systemDirect replacement for a proper fit every time
      $20.81 - $45.25
    • (0 reviews)
      # sp37888
      4WD Switch by Dorman®. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman provides you with the security of knowing that your switch will activate every time. Special attention has been...
      Easy installation; just plug it in to the mating componentDirect replacement matches original design
      $20.09 - $63.84
    • (0 reviews)
      # mpn1213542
      4WD Light Switch by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada knows...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $49.10
    • (0 reviews)
      # mpn1212270
      Axle Disconnect Shift Fork Insert by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $4.28
    • (0 reviews)
      # mpn1212271
      Axle Disconnect Shift Fork Snap Ring by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $1.37
    • (0 reviews)
      # mpn1212269
      CAD Retaining Clip by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $3.61
    • (0 reviews)
      # mpn1010583
      Front 4WD Actuator Retaining Clip by Crown®. With Shift Fork Inserts, Disconnect Housing Gasket, Hardware. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $5.04
    • (0 reviews)
      # sp10393
      GM Original Equipment™ 4WD Connector by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $31.48 - $39.48
    • (0 reviews)
      # sp93977
      Professional 4WD Indicator Lamp Switch by ACDelco®. ACDelco Equipment Actuators properly control the opening and closing of the blend door in your vehicle. Manufactured to meet the Original Equipment part in fit, form and function,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $22.70 - $30.81
    • (0 reviews)
      # sp106858
      Professional™ 4WD Switch by ACDelco®. ACDelco Equipment Actuators properly control the opening and closing of the blend door in your vehicle. Manufactured to meet the Original Equipment part in fit, form and function, GM Original...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $37.51
    • (0 reviews)
      # sp18196
      4WD Actuator Connector by Standard®. Committed to being the best, Standard Engine Management manufactures and distributes a full line of engine management related products, including ignition and emission parts, on-board computers,...
      Offering hundreds of high-quality pigtails & sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections
      $4.85 - $60.62
    • (0 reviews)
      # mpn2855394652
      4WD Hub Locking Solenoid Connector by Standard®. Connector/Terminal Configuration: 3 Pin. Gender: Female. Color: Black. Is there excessive play in your steering wheel? Does your vehicle drift or pull, or veer when it hits a bump?...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $28.77
    • (0 reviews)
      # sp28217
      4WD Indicator Lamp Switch by Standard®. Is there excessive play in your steering wheel? Does your vehicle drift or pull, or veer when it hits a bump? Is your power steering noisy and does it leak? Your steering system is in need of...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $10.29 - $59.65
    • (0 reviews)
      # sp98373
      4WD Indicator Lamp Switch Connector by Standard®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $6.67
    • (0 reviews)
      # mpn1622537
      4WD Indicator Light Switch Connector by Standard®. Connector/Terminal Configuration: 4 Pin. Gender: Female. Color: Black/Purple. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the...
      Premium parts you can rely onDesigned to restore functionality
      $25.60
    • (0 reviews)
      # mpn2855118572
      4WD Indicator Light Switch Connector by Standard®. With 1 Locking Tab. Connector/Terminal Configuration: 4 Pin. Gender: Female. Color: Black. SMP’s vision is to be the leading independent supplier to the automotive aftermarket,...
      Premium parts you can rely onDesigned to restore functionality
      $16.05
    • (0 reviews)
      # mpn44428399
      4WD Indicator Light Switch Connector by Standard®. Connector/Terminal Configuration: 2 Pin. Gender: Male. Color: White. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest...
      Premium parts you can rely onDesigned to restore functionality
      $17.33
    • (0 reviews)
      # sp28218
      4WD Switch by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $19.13 - $78.96
    • (0 reviews)
      # sp46921
      4WD Switch Connector by Standard®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your vehicle’s...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $17.86 - $75.60
    • (0 reviews)
      # mpn4915530
      Handypack™ 4WD Actuator Connector by Standard®. Connector/Terminal Configuration: 2 Pin. Gender: Female. Color: Black. Directly compatible and built to last, this premium actuator component is right what you need to restore your...
      Pigtail and Socket AssemblyUniversal 2 wire female pigtail - 20 amp. current capacity
      $5.02
    • (0 reviews)
      # mpn1622536
      Intermotor™ 4WD Actuator Relay by Standard®. Genuine Intermotor Quality. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...
      High quality composite housings protect against harsh temperatures and severe under hood conditionsFeaturing brass or copper contacts where specified for extended wear
      $7.75
    • (0 reviews)
      # sp103748
      Intermotor™ 4WD Indicator Lamp Switch Connector by Standard®. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $21.88 - $24.52
    • (0 reviews)
      # mpn469957620
      Front Axle Actuator by Merchant Automotive®. A faulty front axle actuator will prohibit your truck from going into four wheel drive. One of the symptoms would be that the four wheel drive switch just flashes when trying to engage....
      High quality at an affordable priceExpertly made from premium materials
      $150.86
    • (0 reviews)
      # mpn1421662
      4WD Disconnect Block Off Kit by G2 Axle & Gear®. Designed utilizing the latest technology, this product by G2 Axle & Gear features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $20.99
    • (0 reviews)
      # mpn1261430
      4WD Actuator Valve by Motorcraft®. With Bracket. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $17.25
    • (0 reviews)
      # mpn1261431
      4WD Actuator Valve by Motorcraft®. With Bracket. Directly compatible and built to last, this premium actuator component is right what you need to restore your 4WD functionality to superior condition. It will help bring back your...
      Helps restore the 4-wheel-drive functionality of you vehicleAllows to engage and disengage your front wheels as required
      $23.02
    • (0 reviews)
      # mpn4004722522
      4WD Indicator Light Switch Connector by Standard®. Connector/Terminal Configuration: 3 Pin. Gender: Female. Color: Black/Purple. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the...
      Premium parts you can rely onDesigned to restore functionality
      $19.25
    • (1 review)
      # mpn2412911
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $183.18
    • (0 reviews)
      # mpn173375
      4WD Actuator by Dorman®. Direct Replacement. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement,...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $71.91
    • (0 reviews)
      # mpn2264538
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $51.06
    • (0 reviews)
      # mpn160350
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $111.19
    • (0 reviews)
      # mpn173375
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $71.91
    • (1 review)
      # mpn103750
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $91.20
    • (0 reviews)
      # mpn2264539
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $64.34
    • (0 reviews)
      # mpn2416303
      4WD Actuator by Dorman®. More like a complete kit than a single part, Dorman’s Four-Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds...
      Includes all necessary gaskets and seals (where applicable)Sealed for leak resistance
      $36.73




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    The 4WD system on your vehicle is much more complicated than you might expect because it must reach the balance between difficult driving and minimizing the wear and tear on different parts. One of the parts heavily involved in this is a 4WD actuator, which will allow your front wheels to move freely without power from the engine when you do not need them and will engage them as required.The 4WD actuator can be found underneath the vehicle, usually at the front where it is doing its job, and is connected to the different drivetrains powering each front wheel. The connection can be made or disengaged as required, whether manually or automatically, and as soon as the connection is made,+ your RWD will become a 4WD. The actuator is a fairly small component but made of very solid components because it is under great stress every time your wheels turn, and it can be made to engage or disengage in a way that could snap a weaker component.

    However, despite their strength, 4WD actuators are not going to last forever, and they will experience problems if you have them for long enough and you are using them often. One of the biggest problems is caused by general wear and tear, and it can cause the actuator to break either partly or completely, which is quite obviously a bad thing. On the less scary end of the scale, 4WD actuators can fail to engage correctly with the drivetrain component, or they could fail to disengage. No one likes problems but replacing them when they occur will remove them from your life.To identify when they have occurred, you can look out for some symptoms whenever you are driving. Perhaps the easiest symptom to notice is that the front wheels will no longer drive when you need them to, meaning difficult terrain becomes a lot more difficult and your vehicle is no longer capable of doing what it used to do. However, if you hear noises from the front wheels like a humming, then you can assume the actuator is not disengaged completely when it is supposed to be. Uneven wear on the front tires can also demonstrate problems with one being forced to work harder than the other.

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    4WD Actuators & Components Reviews

    Average rating:  4.5  4.5 - 13 reviews
    5 of 5
    4WD Actuator
    Actuator looked good and performed well. I would buy one again.
    JPosted by Jeff (Elma, IA) / March 25, 2017
    1990 Jeep Wrangler
    Was this review helpful for you? Yes
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