1984 Ford Mustang Differentials & Components

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    • (1 review)
      # 111380093
      Ford Mustang with Ford Series Axle 1984, Rear Ring and Pinion Gear Set by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring &...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $180.50 - $253.16
    • (0 reviews)
      # 531052640
      Ford Mustang 1984, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust steel construction ensures...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $113.52 - $186.95
    • (1 review)
      # 68573555
      Ford Mustang with Ford Series Axle 1984, Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. When it comes to a...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $128.42 - $129.18
    • (1 review)
      # mpn2020890
      Ford Mustang with 7.5" Ring Gear 1984, Rear Axle Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller...
      Designed to effectively reduce frictionUltimate load handling capability
      $84.13
    • (0 reviews)
      # mpn2412741
      Ford Mustang with 7.5" Ring Gear 1984, Rear Differential Bearing Kit by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation of the Differential Ring and Pinion readily on hand....
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $109.95
    • (0 reviews)
      # mpn739976600
      Ford Mustang with 8.8" Ring Gear with Ford Series Axle with 28 Spline 1984, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. USA Standard Gear does...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $98.54
    • (0 reviews)
      # mpn739977058
      Ford Mustang with 8.8" Ring Gear with Ford Series Axle with 28 Spline 1984, Rear Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard Gear...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $66.85
    • (0 reviews)
      # 68573660
      Ford Mustang with Ford Series Axle with 28 Spline 1984, Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of gear sets for a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $98.66 - $127.33
    • (0 reviews)
      # 212831779
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with General Motors Series Axle 1984, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.40 - $16.84
    • (0 reviews)
      # 212831787
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with General Motors Series Axle 1984, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $75.48 - $82.46
    • (0 reviews)
      # 212831819
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with General Motors Series Axle 1984, Differential Installation Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $34.26 - $39.82
    • (0 reviews)
      # 531057350
      Ford Mustang 1984, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.11 - $10.54
    • (0 reviews)
      # 531053752
      Ford Mustang 1984, Rear Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.21 - $5.55
    • (0 reviews)
      # mpn2054355
      Ford Mustang with 7.5" Ring Gear / with 8.8" Ring Gear 1984, Rear Outer Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $10.47
    • (0 reviews)
      # mpn2006952
      Ford Mustang with 7.5" Ring Gear / with 8.8" Ring Gear 1984, Rear Outer Optional Differential Pinion Repair Sleeve by Timken®. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive components replacement....
      Restores the sealing surface on worn shafts and yokesEliminates the need to replace expensive components that are otherwise serviceable
      $19.52
    • (0 reviews)
      # mpn2371034
      Ford Mustang 1984, Differential Crush Sleeves by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal pressure when the pinion gear nut is...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $3.04
    • (0 reviews)
      # mpn2377088
      Ford Mustang without Limited Slip Differential Axle with 7.5" Ring Gear 1984, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively retains...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.76
    • (0 reviews)
      # mpn2889949607
      Ford Mustang 1984, Advantage™ Rear Differential Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.15
    • (0 reviews)
      # mpn3065960247
      Ford Mustang with 6.75" Ring Gear / with 7.5" Ring Gear 1984, Advantage™ Rear Differential Carrier Bearing Race With 1.7812" ID by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.29
    • (0 reviews)
      # mpn1074426
      Ford Mustang with 7.5" Ring Gear with Ford Series Axle 1984, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78
    • (0 reviews)
      # mpn1074425
      Ford Mustang with 7.5" Ring Gear with Ford Transmission 1984, Rear Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # 531076681
      Ford Mustang with 7.5" Ring Gear with Ford Series Axle 1984, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.10 - $10.74
    • (0 reviews)
      # 531124304
      Ford Mustang with 7.5" Ring Gear with Ford Series Axle 1984, Rear Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $5.68
    • (0 reviews)
      # mpn1179151
      Ford Mustang with 7.5" Ring Gear with Ford Transmission 1984, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform...
      National Redi-Sleeves are precision stainless steel wear sleeves designed to quickly repair damaged, grooved or worn shaftsStrong, durable stainless steel construction provides a corrosion-free sealing surface that surpasses most original shaft specifications
      $19.44
    • (0 reviews)
      # mpn1307887
      Ford Mustang with 7.5" Ring Gear with Ford Series Axle 1984, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $9.47
    • (0 reviews)
      # mpn358588597
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear / with 8.8" Ring Gear with General Motors Series Axle 1984, Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $2.92
    • (0 reviews)
      # mpn358588579
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear with General Motors Series Axle with 27 Spline 1984, Differential Bearing Kit With Pinion 10-Bolt by Ratech®. Designed with precision and functionality in...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $55.04
    • (0 reviews)
      # mpn358588627
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear with General Motors Series Axle 1984, Differential Bearing Spacer With Shim Pack by Ratech®. Designed with precision and functionality in mind, this accessory...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.62
    • (0 reviews)
      # 212831804
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with General Motors Series Axle 1984, Differential Carrier Bearing Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.34 - $26.54
    • (0 reviews)
      # 212831798
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 8.8" Ring Gear with General Motors Series Axle 1984, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this accessory ensures...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $11.89 - $62.46
    • (0 reviews)
      # mpn358588467
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear / with 8.8" Ring Gear with General Motors Series Axle 1984, Differential Pinion Nut by Ratech®. Designed with precision and functionality in mind, this...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $3.45
    • (0 reviews)
      # mpn358588645
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear / with 8.8" Ring Gear with General Motors Series Axle 1984, Differential Pinion Seal by Ratech®. Designed with precision and functionality in mind, this...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $6.92
    • (0 reviews)
      # 212831827
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with General Motors Series Axle 1984, Differrential Carrier Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.26 - $23.83
    • (0 reviews)
      # mpn358588439
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear with General Motors Series Axle 1984, Pinion Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.53
    • (0 reviews)
      # mpn358588463
      Ford Mustang GT / GT-350 20th Anniversary / L / LX / SVO with 7.5" Ring Gear / with 8.8" Ring Gear with General Motors Series Axle 1984, Ring Gear Bolt Set by Ratech®. Designed with precision and functionality in mind, this accessory...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $7.56
    • (0 reviews)
      # 503505000
      Ford Mustang with 10 Bolt 1984, Rear Differential Carrier by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $87.53 - $289.17
    • (0 reviews)
      # 503353013
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with Ford 7.5" Series Axle with 10 Bolt 1984, Rear Performance Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Performance ring and...
      Central contact patternCNC start to finish
      $203.94
    • (0 reviews)
      # 503675262
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with Ford 7.5" Series Axle with 10 Bolt 1984, Rear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear stock performance ring and pinions are...
      Quiet operationComputer controlled heat treatment
      $227.48 - $232.42
    • (0 reviews)
      # mpn4517168048
      Ford Mustang with 27 Spline with Toyota 7.5" Series Axle with 1.30" Axle Shaft Diameter 1984, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential that...
      Helical-style pinion gearsLimited-slip operation
      $576.52
    • (0 reviews)
      # 1029270618
      Ford Mustang with 28 Spline with Ford 8.8" Series Axle 1984, Rear Dura Grip Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $254.96
    • (0 reviews)
      # 503522349
      Ford Mustang 1984, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. The Yukon Dura Grip an example of the popular clutch plate limited slips that appeared as OE equipment. Steel clutch plates, half of which are covered...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $486.52 - $524.49
    • (0 reviews)
      # 1029097593
      Ford Mustang with 28 Spline with Ford 8.8" Series Axle 1984, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing....
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $715.77 - $722.85
    • (0 reviews)
      # 503687300
      Ford Mustang 1984, Rear High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Location: Rear. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions....
      Smooth finishEasy Set-Up
      $232.54 - $414.33
    • (0 reviews)
      # 503427530
      Ford Mustang 1984, Rear Standard Open Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $253.82 - $327.02
    • (0 reviews)
      # 1029051557
      Ford Mustang with Ford 8.8" Series Axle with 10 Bolt 1984, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. Location: Rear. The ECTED Max is a selectable traction device; an on/off switch is...
      Gearing is made from aircraft quality, 9310 heat treated billet steel to make it tough, durable and reliableSwitch the locker on or off "on-the-fly," at moderate road speeds with all 4 wheels on the ground
      $740.21 - $868.18
    • (0 reviews)
      # 1028980022
      Ford Mustang with 10 Bolt 1984, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct bias...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16 - $434.52
    • (1 review)
      # 1029241501
      Ford Mustang with 10 Bolt 1984, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the very best in...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $506.74
    • (0 reviews)
      # 1029163553
      Ford Mustang with 28 Spline with Ford 8.8" Series Axle with 10 Bolt 1984, Road Race™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Auburn Gear, LLC. Has developed a performance limited-slip differential specifically...
      Expertly crafted from superior materialsProvides exceptional reliability
      $483.48
    • (0 reviews)
      # 503488999
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with 28 Spline with Open Differential with Ford 7.5" Series Axle 1984, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $405.19
    • (0 reviews)
      # 503687188
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with Ford 7.5" Series Axle with 10 Bolt 1984, Rear Street Gear Ring and Pinion Gear Set by Richmond®. Location: Rear. Richmond Gear ring and pinions are perfect...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $212.41 - $214.67
    • (0 reviews)
      # 503604333
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with 7.5" Series Axle 1984, Differential Gear Installation Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $31.82
    • (0 reviews)
      # 126853131
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with GM 7.5" Series Axle with 10 Bolt 1984, Rear Differential Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $72.50 - $76.32
    • (0 reviews)
      # 503695563
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with 28 Spline with 7.5" Series Axle with 10 Bolt 1984, Rear Differential Carrier Gear Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $120.22
    • (0 reviews)
      # 503478327
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with GM 7.5" Series Axle with 10 Bolt 1984, Rear Differential Master Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $80.43 - $90.29
    • (0 reviews)
      # 503552550
      Ford Mustang with Models Built inCanada / with Models Built inUnited States with GM 7.5" Series Axle with 10 Bolt 1984, Rear Differential Super Bearing Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails with...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $106.76 - $118.62
    • (0 reviews)
      # 503437137
      Ford Mustang 1984, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $146.25 - $154.57
    • (0 reviews)
      # 1029283573
      Ford Mustang 1984, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Location: Rear. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation kits are great, low cost kits for carrier changes...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $67.28 - $82.36
    • (0 reviews)
      # 68573606
      Ford Mustang 1984, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Location: Rear. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $168.28 - $174.88
    • (0 reviews)
      # 503535057
      Ford Mustang 1984, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Mini installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and includes all...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $35.01 - $36.24
    • (0 reviews)
      # 503542327
      Ford Mustang 1984, Rear Differential Pinion Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $102.98 - $114.42




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