Transmission & Drivetrain for 2012 GMC Sierra 3500 HD
Find parts that fit
We need more information about your vehicle to confirm fit.
2012
GMC
Sierra 3500 HD
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSORED
18,248 Results
New Heavy Duty Differential Skid Plate for GMC Silverado for Sierra 2500/3500 HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New$158.43Estimated delivery dateEst. delivery Fri, May 17Only 2 leftTop Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Allison Duramax GM HD2500 HD3500 A50 T14 Trans Computer TCM Repair Service (Fits: 2012 GMC Sierra 3500 HD)
Remanufactured: Allison$589.00$12.15 shipping11 watchingTransfer Case CHEVY SILVERADO 2500 11 12 13 14 15 (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned$759.99Was: $799.99or Best OfferFree shipping2007-2013 SILVERADO SIERRA 2500 3500HD 6L90 TRANSMISSION PAN NEW GM# 24226851 (Fits: 2012 GMC Sierra 3500 HD)
#1 on Diagram Only-Genuine OE Factory Original ItemBrand New: OEM$37.06Free shippingOnly 1 left!(2)Front CV Axle Shafts for 2011 - 2014 Chevy Silverado GMC Sierra 2500HD 3500HD (Fits: 2012 GMC Sierra 3500 HD)
COMPLETE UNIT * LIFETIME WARRANTY * FREE SHIPPINGRemanufactured: Detroit Axle$167.56Was: $180.17Free shipping141 soldDRIVE SHAFT CENTER SUPPORT BEARING FOR GMC SIERRA 2500 3500 2500 HD 3500 HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Aftermarket Products$40.00Free shippingPPE Spin On Allison Transmission Filter For 6.6L Duramax LB7 LLY LBZ LMM LML L5P
*AUTHORIZED PPE DEALER!*Brand New: PPE$27.99Estimated delivery dateEst. delivery Fri, May 17352 soldTop Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
4WD Front CV Axle Shaft for 2011-2014 Chevy Silverado GMC Sierra 2500HD 3500HD (Fits: 2012 GMC Sierra 3500 HD)
4WD; 8 Lug Wheels * LIFETIME WARRANTY * FREE SHIPPINGRemanufactured: Detroit Axle$85.93Was: $92.40Free shipping70 soldRear Driveshaft Assy for Chevy Silverado 2500 3500 HD GMC Sierra 2500 3500 HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$299.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingTransmission Fluid Level Indicator Dipstick For GMC Sierra 3500 2007-2014 (Fits: 2012 GMC Sierra 3500 HD)
Brand New$16.49Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFront Axle Differential Shift Actuator for Chevy GMC Cadillac Isuzu 4WD
Order by Noon EST and this part ships today!Brand New: AM Autoparts$36.36Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $70.95Free shipping2,486 soldNew Heavy Duty Differential Skid Plate Fit GMC Silverado for Sierra 2500/3500 HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New$97.35Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $187.21926-980 Transmission Crossmember For 2001-2019 Chevrolet GMC 2500 3500 (HD) NEW
Brand New: Dorman$98.99Was: $118.99or Best OfferFree shippingRear Side Driveshaft Prop Shaft Assembly for GMC Sierra 3500 HD Chevrolet 4WD (Fits: 2012 GMC Sierra 3500 HD)
Brand New$201.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping2015 GMC Sierra 3500 Rear Drive Shaft OEM 232K Miles - LKQ378407256 (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: GMC$307.30Was: $319.02Free shippingCV Half Shaft Axle Set of 2 Front Driver & Passenger Side for Chevy GMC Pair
Hassle Free Returns. Free Fast Shipping.Brand New: Perfect Fit$145.01Was: $221.9452 soldTransfer Case Assembly for GMC Sierra 2500 HD 3500 HD 6.6L Diesel Electric Shift (Fits: 2012 GMC Sierra 3500 HD)
Brand New$1,180.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingOEM NEW 6L80E 6L90E Transmission Dipstick Tube Seal 07-15 Chevrolet GMC 15796802 (Fits: 2012 GMC Sierra 3500 HD)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: General Motors$9.57Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping200 soldTransmission Oil Cooler For 2011-2014 GMC Sierra 3500 HD Sierra 2500 HD 6.6L (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Sunbelt Radiators$66.40Estimated delivery dateEst. delivery Fri, May 17Only 1 left!Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
2011 - 2019 SIERRA / SILVERADO 2500 3500 OEM METAL SKID PLATE 25871125 #1FL-1 (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: General Motors$22.00$18.00 shippingTransfer Case Motor Assembly for Chevrolet Silverado 2500 HD GMC Sierra 3500 HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$127.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingCV Axle Shaft Assembly for Chevrolet Silverado 2500 GMC Sierra 3500 HD 4WD Front (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$100.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFor Chevrolet GMC Yukon Automatic Transmission Filter Oil Pan Gasket 24236933 (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$29.77Was: $31.34or Best OfferFree shipping07-13 Chevy Silverado 2500 HD Steering Column Shifter Lever Gear Selector OEM
Pre-Owned: Chevrolet$84.97Estimated delivery dateEst. delivery Fri, May 17Was: $99.97Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferDrive Shaft Assembly for Chevrolet Silverado 2500 HD 2011-2019 GMC 4WD Rear Side (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$354.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingCV Axle Shaft Fits 2011-2019 Chevrolet Silverado 2500 HD 3500 HD GMC Sierra (Fits: 2012 GMC Sierra 3500 HD)
Order by Noon EST and this part ships today!Brand New: AM Autoparts$119.85Estimated delivery dateEst. delivery Fri, May 17Was: $165.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Xtreme Duty Front Pair CV Axle Drive Shaft for Silverado 2500 3500 HD Sierra HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Generic$183.34Was: $192.99or Best Offer$10.00 shippingFront Driveshaft Assembly for Chevrolet Silverado 2500 3500 HD 11-16 GMC 4WD (Fits: 2012 GMC Sierra 3500 HD)
Brand New$133.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping2015 Chevrolet Silverado 2500 Rear Drive Shaft OEM 177K Miles - LKQ377935160 (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: Chevrolet$296.33Was: $331.29Free shipping2012 GMC Sierra Denali 2500 Front Drive Shaft OEM 104K Miles (LKQ~353897032) (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: GMC$152.77Free shippingUsed Rear Drive Axle Assembly fits: 2014 Chevrolet Silverado 2500 pickup 11.50`` (Fits: 2012 GMC Sierra 3500 HD)
6 MONTH GUARANTEE! SHIPPING TO BUSINESS ADDRESS ONLY!Pre-Owned: Chevrolet$756.96Free shippingRear Drive Shaft 4WD Chassis Crew Cab 11-16 GMC SIERRA 3500 PICKUP 23251145 (Fits: 2012 GMC Sierra 3500 HD)
* 6 MONTH WARRANTY*Pre-Owned: Chevrolet$349.99$108.69 shippingUsed Transfer Case Assembly fits: 2011 Gmc Sierra 3500 pickup 6.6L diesel dash s (Fits: 2012 GMC Sierra 3500 HD)
This Requires Commercial Address For Delivery.Pre-Owned$626.44Free shippingTransmission Oil Cooler For 2011-2014 GMC Sierra 3500 HD 6.0L (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Sunbelt Radiators$57.85Estimated delivery dateEst. delivery Fri, May 17Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Speed Sensor Input Output for Sierra Silverado HD 2500 3500 Diesel Allison 1000 (Fits: 2012 GMC Sierra 3500 HD)
Order by Noon EST and this part ships today!Brand New: AM Autoparts$19.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $45.95Free shipping134 sold24236933 Automatic Transmission Filter & Gasket For GMC Chevrolet 1500 6L80 6L90 (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$29.44Was: $30.99Free shipping3Pcs 29536408 Speed Sensor For Duramax Allison LCT Transmission GMC Chevrolet (Fits: 2012 GMC Sierra 3500 HD)
Brand New$38.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFits GMC Sierra 2500 3500 HD 07-2018 Transfer Case Shift Motor Actuator 600-914 (Fits: 2012 GMC Sierra 3500 HD)
Brand New$96.96or Best OfferFree shipping11-14 SIERRA SILVERADO 2500 3500 Axle Shaft Front Axle (Fits: 2012 GMC Sierra 3500 HD)
P25856606Pre-Owned: Chevrolet$93.50Was: $110.00or Best Offer$37.95 shipping2013 Chevrolet Silverado 2500 Rear Drive Shaft OEM 165K Miles - LKQ384873099 (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: Chevrolet$307.30Was: $343.56Free shippingSet of 4 Inner Outer CV Axle Shaft Boot Kit for GMC Sierra 3500 HD 11-17 4WD 4x4 (Fits: 2012 GMC Sierra 3500 HD)
Brand New: EMPI$63.95Free shippingSKF Front Universal Joint Strap Kit for 2007-2016 GMC Sierra 3500 HD bt (Fits: 2012 GMC Sierra 3500 HD)
The #1 Seller of Genuine SKF Parts on eBayBrand New: SKF$14.54Estimated delivery dateEst. delivery Fri, May 17Was: $28.99Fel-Pro Rear Axle Shaft Flange Gasket for 2007-2014 GMC Sierra 3500 HD nh (Fits: 2012 GMC Sierra 3500 HD)
The #1 Seller of Genuine Fel-Pro Parts on eBayBrand New: Fel-Pro$7.64Was: $15.2424236933 Automatic Transmission Fluid Filter Kit For Chevy GMC 6L80 6L90 6L50 (Fits: 2012 GMC Sierra 3500 HD)
Brand New$26.99Was: $29.99or Best OfferFree shippingDuramax Allison 1000 Performance EPC Blocker 2011-2019 GM 6.6L PPE 128041119 (Fits: 2012 GMC Sierra 3500 HD)
Brand New: PPE$55.75Estimated delivery dateEst. delivery Fri, May 17137 soldTop Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
GMC Sierra Transmission Shift Cable Repair Kit w/ bushing Easy Install (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Bushing Fix$21.99or Best OfferFree shippingTransmission Shift Detent (Fits: 2012 GMC Sierra 3500 HD)
Brand New: ACDelco$88.38Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
$6.88 shippingOnly 1 left!Transfer Case Shift Motor Actuator For 2007-2018 GMC Sierra 2500 3500 HD 600-914 (Fits: 2012 GMC Sierra 3500 HD)
Brand New: CCIYU$95.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingAllison Deep Transmission Pan Filter Lock GM 2001-2019 Duramax 2500HD 3500HD (Fits: 2012 GMC Sierra 3500 HD)
Brand New$39.99Free shipping41 soldTRQ Front CV C/V Axle Drive Shaft Assembly & Pair for Chevy GMC 2500 HD 3500 (Fits: 2012 GMC Sierra 3500 HD)
Lifetime Warranty. Free Shipping. Highest Quality.Brand New: TRQ$194.95Estimated delivery dateEst. delivery Fri, May 1717 soldTop Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Transmission Fluid Level Indicator Dipstick Fits For GMC Yukon 2007-2014 (Fits: 2012 GMC Sierra 3500 HD)
Brand New$16.59Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingDorman 624-746 Transmission Oil Cooler Line fits Chevy GMC 20945773 (Fits: 2012 GMC Sierra 3500 HD)
1000 Trans.Aux Cooler Outlet (Driver Side)Hose OnlyBrand New$43.37Estimated delivery dateEst. delivery Fri, May 17Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Transfer Case Motor Fits 07-19 SIERRA 2500 PICKUP 3009011 (Fits: 2012 GMC Sierra 3500 HD)
TRANSFER CASE SHIFT MOTORPre-Owned: GMC$104.00Estimated delivery dateEst. delivery Fri, May 17Heavy Duty Differential Skid Plate fit GMC Silverado for Sierra 2500/3500 Brand (Fits: 2012 GMC Sierra 3500 HD)
Brand New$100.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $161.29Free shippingTransfer Case Assembly for Chevy Silverado 2500 HD 3500 HD GMC 2011-2015 V8 6.6L (Fits: 2012 GMC Sierra 3500 HD)
Brand New: Unbranded$1,199.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingAllison 6-Speed Automatic Transmission Opt MW7 from 2012 GMC SIERRA 9323810 (Fits: 2012 GMC Sierra 3500 HD)
SHIPS TO ANYWHERE IN THE LOWER 48Pre-Owned: GMC$1,187.69or Best OfferFree shipping2011 2012 GMC Sierra 3500 OEM Rear Drive Shaft 6.6L Automatic 4WD Crew Cab (Fits: 2012 GMC Sierra 3500 HD)
90 Day Warranty! Fast Shipping and Clean PartsPre-Owned: GMC$350.00Was: $437.50or Best Offer$75.00 shippingCarrier/differential Assembly CHEVY SILVERADO 2500 11 12 13 14 15 (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: General Motors$474.99Was: $499.99or Best OfferFree shipping11-18 SIERRA 2500 Driver Axle Shaft Rear Axle Full-floating (Fits: 2012 GMC Sierra 3500 HD)
Pre-Owned: Unbranded$153.00Was: $180.00or Best Offer$37.95 shipping