2003 GMC Sierra Transfer Cases & Components

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    • (1 review)
      # mpn2294900
      GMC Sierra Denali with Manual Shift Transfer Case / with Push Button Control Transfer Case with 2 Speed Transfer Case 2003, Rear Transfer Case Housing by Dorman®. Dorman-enhanced for durability, the Transfer Case Housing comes with...
      Comes with all seals and hardware necessary for a complete repairDirect fit for a trouble-free replacement
      $163.95
    • (1 review)
      # 83175075
      GMC Sierra 2003, Rear Transfer Case Housing by Dorman®. Dorman-enhanced for durability, the Transfer Case Housing comes with fluid pump stabilizer clips that prevent the pump from rubbing against the case. Since the clips eliminate the...
      Comes with all seals and hardware necessary for a complete repairDirect fit for a trouble-free replacement
      $163.95 - $365.95
    • (0 reviews)
      # 775144786
      GMC Sierra 2003, Transfer Case Assembly by Dahmer Powertrain®. 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...
      Built to OE specifications with the latest updates componentsEngineered to provide quality unmatched in the industry
      $1,302.34 - $1,816.42
    • (0 reviews)
      # mpn4493832449
      GMC Sierra Denali With Floor Shift With NP2 Transfer Case 2003, Transfer Case Assembly by Dahmer Powertrain®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      Built to OE specifications with the latest updates componentsEngineered to provide quality unmatched in the industry
      $1,405.15
    • (0 reviews)
      # 392642192
      GMC Sierra 4WD 2003, GM Original Equipment™ Rear Transfer Case Housing by ACDelco®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to both...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $336.46 - $349.72
    • (0 reviews)
      # 392655276
      GMC Sierra Denali 2003, GM Original Equipment™ Rear Transfer Case Housing by ACDelco®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $336.46 - $347.26
    • (0 reviews)
      # mpn4519826321
      GMC Sierra 2003, Remanufactured Transfer Case Assembly by UMC ReTech®. UMC ReTech is the first manufacturer to offer hybrid problem solving products that marry aftermarket solutions to OE quality remanufactured products. ReTech AXSL...
      Largest SKU breadth coverage of any supplierBack Lash, Mesh Load, Leak and Rotational Torque QC testing preformed on each unit
      $1,053.36
    • (0 reviews)
      # 35572500
      GMC Sierra 4WD with 2 Speed Transfer Case 2003, Transfer Case Motor by Cardone®. Cardone Transfer Case Motors are designed to render exceptional and reliable performance. These devices deenergize a motor when a load larger than a given...
      All motors are torque tested 100% to ensure strength for proper gear engagementsEach unit is 100% computer tested at 3 points in the remanufacturing process for guaranteed performance
      $134.73 - $157.53
    • (0 reviews)
      # 83175169
      GMC Sierra Denali with 2 Speed Transfer Case 2003, Transfer Case Motor by Dorman®. More like a kit than a single part, Dorman’s Transfer Case Motor comes complete with all the necessary electrical pins and plugs to do the job right...
      Engineered for long-lasting durability against harsh road and weather conditions, including water intrusionSealed for corrosion-resistance
      $128.95 - $199.95
    • (0 reviews)
      # 83175082
      GMC Sierra with 2 Speed Transfer Case 2003, Transfer Case Motor by Dorman®. More like a kit than a single part, Dorman’s Transfer Case Motor comes complete with all the necessary electrical pins and plugs to do the job right the first...
      Engineered for long-lasting durability against harsh road and weather conditions, including water intrusionSealed for corrosion-resistance
      $128.95 - $199.95
    • (0 reviews)
      # 392642059
      GMC Sierra 2003, GM Original Equipment™ Transfer Case Adapter by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $62.18
    • (0 reviews)
      # mpn2081569
      GMC Sierra 2003, Front Rearward Transfer Case Output Shaft Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $9.78
    • (0 reviews)
      # 770549405
      GMC Sierra 1500 / 1500 HD 4WD with New Process 136C Series Transfer Case 2003, Transfer Case Input Shaft Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller...
      Designed to effectively reduce frictionUltimate load handling capability
      $14.88 - $39.25
    • (0 reviews)
      # 770556372
      GMC Sierra Denali with New Process 136C Series Transfer Case 2003, Transfer Case Input Shaft Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and...
      Designed to effectively reduce frictionUltimate load handling capability
      $14.88 - $39.25
    • (0 reviews)
      # 770536862
      GMC Sierra 4WD 2003, Transfer Case Input Shaft Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...
      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
      $5.33 - $7.01
    • (0 reviews)
      # 770544758
      GMC Sierra Denali 2003, Transfer Case Input Shaft Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...
      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
      $5.33 - $7.01
    • (0 reviews)
      # 98390986
      GMC Sierra Denali 2003, Transfer Case Output Shaft Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...
      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
      $7.64 - $22.88
    • (0 reviews)
      # 20471049
      GMC Sierra 4WD 2003, Transfer Case Output Shaft Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...
      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
      $7.64 - $22.88
    • (0 reviews)
      # 83175087
      GMC Sierra 4WD with Electric Shift Transfer Case 2003, Transfer Case Control Module by Dorman®. Dorman’s remanufactured Transfer Case Control Module is engineered from new replacement parts and renewed parts for optimal performance....
      Restores the ability to shift in and out of four-wheel drive (4WD)Shuts off four-wheel drive (4WD) warning light
      $148.95 - $157.95
    • (0 reviews)
      # 34137774
      GMC Sierra 2003, Transfer Case Encoder Ring by Dorman®. Dorman’s Transfer Case Encoder Ring offers a cost-saving alternative to installing an entirely new motor. Now you can replace only the failed ring, making repair more affordable....
      Direct replacement for a proper fitReplace the part, not the assembly
      $49.95
    • (0 reviews)
      # mpn2261593
      GMC Sierra Denali 2003, Transfer Case Encoder Ring by Dorman®. Dorman’s Transfer Case Encoder Ring offers a cost-saving alternative to installing an entirely new motor. Now you can replace only the failed ring, making repair more...
      Direct replacement for a proper fitReplace the part, not the assembly
      $49.95
    • (0 reviews)
      # mpn1138952758
      GMC Sierra Denali 2003, Transfer Case Gasket by Dorman®. Transfer Case Gaskets provide a tight seal to the transfer case to prevent thermal expansion. All our Transfer Case Gaskets are made of high quality materials for durability. Put...
      Typically fails due to thermal expansionDirect replacement
      $4.86
    • (0 reviews)
      # mpn2109433
      GMC Sierra 2003, Transfer Case Oil Drain Plug by Dorman®. Dorman’s oversized, piggyback, and rubber expanding oil drain plugs eliminate the need to replace the entire pan, saving you time, labor and money.
      Direct replacement for a proper fit every timeCoated for high corrosion resistance and a long service life
      $47.56
    • (0 reviews)
      # mpn898117677
      GMC Sierra 2003, GM Original Equipment™ Front Transfer Case Output Shaft Drive Sprocket Bushing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.09
    • (0 reviews)
      # mpn898008679
      GMC Sierra Denali with Manual Shift Transfer Case 2003, GM Original Equipment™ Rear Transfer Case Extension Housing Bushing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.79
    • (0 reviews)
      # 73257313
      GMC Sierra 4WD 2003, GM Original Equipment™ Rear Transfer Case Extension Housing Bushing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.79 - $31.58
    • (0 reviews)
      # mpn864852090
      GMC Sierra 1500 HD / 2500 / 2500 HD / 3500 4WD 4-Speed 2003, GM Original Equipment™ Transfer Case Adapter Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.74
    • (0 reviews)
      # mpn898152154
      GMC Sierra Denali 2003, GM Original Equipment™ Transfer Case Input Shaft Bearing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $42.11
    • (0 reviews)
      # 73257329
      GMC Sierra 4WD 2003, GM Original Equipment™ Transfer Case Input Shaft Bearing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $42.11 - $57.44
    • (0 reviews)
      # 86024198
      GMC Sierra 4WD 2003, GM Original Equipment™ Transfer Case Oil Drain Plug by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.96
    • (0 reviews)
      # mpn898008328
      GMC Sierra Denali with Manual Shift Transfer Case 2003, GM Original Equipment™ Transfer Case Oil Drain Plug by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.96
    • (0 reviews)
      # 83112685
      GMC Sierra 4WD with Electric Shift Transfer Case 2003, GM Original Equipment™ Transfer Case Range Sensor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $55.92
    • (0 reviews)
      # mpn898152156
      GMC Sierra Denali 2003, GM Original Equipment™ Transfer Case Vent by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $10.74
    • (0 reviews)
      # 392642404
      GMC Sierra 4WD 2003, GM Original Equipment™ Transfer Case Vent by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $10.74
    • (0 reviews)
      # mpn4492482172
      GMC Sierra 1500 4WD Standard Transmission with Manual Shift Transfer Case 2003, GM Original Equipment™ Transfer Case Vent Hose Clip Bracket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.81
    • (0 reviews)
      # mpn1848322073
      GMC Sierra 2003, Front Transfer Case Output Shaft Pilot Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $9.26
    • (0 reviews)
      # mpn1386234
      GMC Sierra Denali with Part-Time Tranfer Case with New Process 261C Series Transfer Case with 2 Speed Transfer Case 2003, Transfer Case Input Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type
      $9.87
    • (0 reviews)
      # 1067070506
      GMC Sierra 2003, Transfer Case Input Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type
      $9.87
    • (0 reviews)
      # mpn1389381
      GMC Sierra 2003, Transfer Case Oil Pump Housing Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type
      $6.47
    • (0 reviews)
      # 1067071484
      GMC Sierra Denali with Part-Time Tranfer Case with 2 Speed Transfer Case 2003, Transfer Case Output Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $7.65 - $21.48
    • (0 reviews)
      # 1067086506
      GMC Sierra 2003, Transfer Case Output Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $7.65 - $21.48
    • (0 reviews)
      # mpn1389410
      GMC Sierra Denali with Part-Time Tranfer Case with New Process 261C Series Transfer Case with 2 Speed Transfer Case 2003, Transfer Case Shift Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type
      $3.36
    • (0 reviews)
      # 1067086544
      GMC Sierra with Part-Time Tranfer Case with 2 Speed Transfer Case 2003, Transfer Case Shift Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type
      $3.36
    • (0 reviews)
      # mpn369534014
      GMC Sierra Denali with Part-Time Tranfer Case with New Process 261C Series Transfer Case with 2 Speed Transfer Case 2003, Transfer Case Adapter Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is...
      Validated for fit, form and functionEngineered and manufactured specifically for the repair environment
      $5.75
    • (0 reviews)
      # 770548672
      GMC Sierra with Part-Time Tranfer Case with 2 Speed Transfer Case 2003, Transfer Case Adapter Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest...
      Validated for fit, form and functionEngineered and manufactured specifically for the repair environment
      $5.75
    • (0 reviews)
      # 693038195
      GMC Sierra 4WD 2003, Rear Transfer Case Housing by Motive Gear®. Pump area reinforced to prevent premature wear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $205.80 - $235.11
    • (0 reviews)
      # mpn4485510280
      GMC Sierra Denali with N263 Series Transfer Case / with NV149 Series Transfer Case / with NV246 Series Transfer Case / with NV261 Series Transfer Case with Heavy Duty Transfer Case / with Light Duty Transfer Case 2003, Rear Transfer Case...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $235.11
    • (0 reviews)
      # 693007064
      GMC Sierra 2003, Transfer Case Combo Kit by Merchant Automotive®. With Magnesium Housing. Repair your transfer case with out any hassle. Dont get into the job and realize your missing something. Includes everything you need to do a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $418.41
    • (0 reviews)
      # 206753301
      GMC Sierra 2003, Transfer Case Half by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $308.87 - $417.51
    • (0 reviews)
      # 693085957
      GMC Sierra 4WD with NP203 Series Transfer Case 2003, Transfer Case Converison Kit by Mile Marker®. These Mile Marker transfer case conversions are perfect for owners of full-time 4WD vehicles. You can count on these kits to reduce wear...
      Backed lifetime WarrantyMade In USA
      $47.99 - $185.23
    • (0 reviews)
      # 1132152409
      GMC Sierra 2003, Deluxe Bearing and Seal Kit by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $184.32 - $227.02
    • (0 reviews)
      # 693050941
      GMC Sierra 2003, Speedometer Tone Wheel by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $19.76 - $58.10
    • (0 reviews)
      # 693089140
      GMC Sierra 2003, Transfer Case Blocking Ring Kit by Merchant Automotive®. Worn blocking rings can cause hard engagement or a grinding noise during engagement. Designed utilizing the latest technology, this product by Merchant Automotive...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $157.19
    • (0 reviews)
      # 74452429
      GMC Sierra 2003, Transfer Case Chain by Merchant Automotive®. Replace if chain is stretched or has kinks. A new chain will run quieter then one damaged or stretched. Designed utilizing the latest technology, this product by Merchant...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $104.72 - $144.26
    • (0 reviews)
      # 692971599
      GMC Sierra 2003, Transfer Case Main Shaft by Merchant Automotive®. Replace your worn or damaged transfer case mainshaft with this new unit. Comes ready to install. Designed utilizing the latest technology, this product by Merchant...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $272.65
    • (0 reviews)
      # 692984713
      GMC Sierra 2003, Transfer Case Main Shaft Sleeve Hub by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $108.82
    • (0 reviews)
      # 693031813
      GMC Sierra 2003, Transfer Case Mode Slider by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $71.09
    • (0 reviews)
      # 692980534
      GMC Sierra 2003, Transfer Case Planetary Set by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $281.14
    • (0 reviews)
      # 693077114
      GMC Sierra 2003, Transfer Case Pump Assembly by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $75.35
    • (0 reviews)
      # 692952763
      GMC Sierra 2003, Transfer Case Shift Fork by Merchant Automotive®. Designed utilizing the latest technology, this product by Merchant Automotive features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $54.05 - $100.97




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