Differentials, Assemblies & Parts for 2018 GMC Sierra 1500
Find parts that fit
We need more information about your vehicle to confirm fit.
2018
GMC
Sierra 1500
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSORED
3,508 Results
2014-2018 GMC Sierra 1500 3.42 Ratio Front Axle Differential Carrier Opt GU6 OEM
Pre-Owned: Chevrolet$386.99Was: $429.99$99.99 shippingOnly 1 left!2014-2018 GMC Sierra 1500 3.42 Ratio Front Axle Differential Carrier Opt GU6 OEM (Fits: 2018 GMC Sierra 1500)
Pre-Owned: GMC$384.99or Best Offer$99.99 shipping2018 GMC SIERRA 1500 Transfer Case 58K (Fits: 2018 GMC Sierra 1500)
Pre-Owned$723.53Was: $904.42or Best Offer$150.00 shipping2015-2018 GMC Sierra 1500 Front Differential Carrier 3.08 Ratio OEM OPTION GU4
Pre-Owned: GMC$399.99or Best Offer$49.99 shippingRear Differential Cover for Chevrolet Silverado 1500 GMC Sierra 1500 2009-2020 (Fits: 2018 GMC Sierra 1500)
Brand New: Unbranded$41.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFor GMC Sierra 1500/C1500/K1500 Limited-Slip Locker 8.6" Posi Unit - 30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New$164.19Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping8.6" Posi Unit - 30 Spline Limited-Slip Locker For Chevy Silverado GMC (Fits: 2018 GMC Sierra 1500)
Brand New$172.99or Best OfferFree shipping2014-2018 SILVERADO & SIERRA 1500 w/ 5.3L 4WD 4.56 GEARS PACKAGE (Fits: 2018 GMC Sierra 1500)
Brand New: Motive Gear$849.99Free shippingOnly 2 leftCarrier 3.23 Ratio Opt GU5 Front Axle Fits 15-19 ESCALADE 24413 (Fits: 2018 GMC Sierra 1500)
High Quality Parts from Modern Muscle Salvage!Pre-Owned: GMC$149.95or Best Offer$64.89 shippingDifferential Case Kit Assembly for Chevy Silverado 1500 GMC Sierra Yukon Rear (Fits: 2018 GMC Sierra 1500)
Brand New: Unbranded$166.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingLimited-Slip Locker For GM 8.6" Posi Unit - 30 Spline Chevy GMC 10-Bolts (Fits: 2018 GMC Sierra 1500)
Brand New$161.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping56 watchingFor GMC Sierra Chevy Silverado Limited-Slip Locker 8.6" Posi Unit - 30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New$162.73or Best OfferFree shippingFor Chevy GMC GM 8.5" 8.6" Posi Unit 30 Spline Eaton-Style Limited-Slip Locker (Fits: 2018 GMC Sierra 1500)
Brand New: CCIYU$167.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping241 sold2014-2018 GMC Sierra 1500 Front Differential Carrier 3.42 Ratio Opt GU6 OEM (Fits: 2018 GMC Sierra 1500)
Pre-Owned: GMC$359.99Was: $374.99or Best Offer$149.99 shippingOnly 2 left2015-2018 GMC Sierra 1500 Pickup Front Axle Differential Carrier 3.23 Ratio (Fits: 2018 GMC Sierra 1500)
Pre-Owned: GMC$599.99or Best Offer$99.99 shippingOnly 1 left!GMC Sierra 1500 Sierra Denali 1500 3.42 Ratio Rear Axle Assembly 87K OEM LKQ (Fits: 2018 GMC Sierra 1500)
**See Full Description for IMPORTANT Vehicle Fitment**Pre-Owned: GMC$484.88Was: $644.18$210.00 shippingFor GMC Sierra 1500 Silverado 1500 Limited-Slip Locker 8.6" Posi Unit-30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New: Unbranded$163.54or Best OfferFree shippingFor 1999-2018 GMC Sierra 1500 Transfer Case Shift Linkage AC Delco 86359HR 2000 (Fits: 2018 GMC Sierra 1500)
Brand New: ACDelco$81.98Free shipping26 soldFits 1999-2018 GMC Sierra 1500 Differential Pinion Bearing Timken 219YJ54 2000 (Fits: 2018 GMC Sierra 1500)
Brand New: Timken$23.12Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingTRQ Front Differential Carrier Mounting Bracket Pair LH RH Sides for GM Trucks (Fits: 2018 GMC Sierra 1500)
Lifetime Warranty. Free Shipping. Highest Quality.Brand New: TRQ$127.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 3 leftNEW OEM GM 4WD Front Differential Lock Motor 22876132 Silverado Sierra 2014-2019 (Fits: 2018 GMC Sierra 1500)
Brand New: GM$124.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingLABLT Limited-Slip Locker 8.6" Posi Unit 30 Spline 19559-010 For GMC Sierra 1500 (Fits: 2018 GMC Sierra 1500)
Brand New$161.25or Best OfferFree shippingFor Chevy GMC Limited-Slip Differential Locker 8.6" Posi Unit 30 Spline 10 Bolts (Fits: 2018 GMC Sierra 1500)
Brand New$167.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping10 watching2015-2020 ESCALADE SIERRA SILVERADO TAHOE FRONT AXLE 3.23 RATIO DIFFERENTIAL (Fits: 2018 GMC Sierra 1500)
Fast and Free Shipping via UPS Ground!Pre-Owned: Chevrolet$299.95or Best Offer$64.89 shipping8.6" Posi Unit Rear Limited Slip Differential Fits Chevy Silverado Sierra 1500 (Fits: 2018 GMC Sierra 1500)
Brand New$167.99or Best OfferFree shipping18 watchingNew ListingLimited-Slip Locker 8.6" Posi Unit - 30 Spline For Chevy Silverado GMC Sierra (Fits: 2018 GMC Sierra 1500)
Brand New$161.20or Best OfferFree shipping2016 GMC Sierra 1500 Front Carrier Differential 3.42 Ratio opt GU6 54k 2017 2018 (Fits: 2018 GMC Sierra 1500)
One Year Part Warranty, Top Seller!Pre-Owned: General Motors$650.99Was: $929.99Free shipping2018 GMC SIERRA 1500 Rear Axle Assembly 58K (Fits: 2018 GMC Sierra 1500)
Pre-Owned$605.88Was: $757.35or Best Offer$150.00 shipping2014-2018 GMC Sierra 1500 Pickup Front Axle Differential Carrier 3.08 Ratio (Fits: 2018 GMC Sierra 1500)
Pre-Owned: GMC$474.99Was: $499.99or Best Offer$99.99 shippingOnly 1 left!2014-2020 Chevy Silverado 1500 Pickup Front Axle Differential Carrier 3.42 Ratio (Fits: 2018 GMC Sierra 1500)
Pre-Owned: Chevrolet$237.49Was: $249.99$99.99 shippingOnly 1 left!2017 Silverado 1500 Front Differential Carrier OEM 125K Miles - LKQ377348395 (Fits: 2018 GMC Sierra 1500)
Pre-Owned: Chevrolet$592.63Was: $629.45Free shippingTRQ Transfer Case Shift Motor for Chevy Avalanche Silverado Tahoe Suburban (Fits: 2018 GMC Sierra 1500)
Brand New$97.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $141.95Free shipping3 watchingTransfer Case Shift Motor for Chevy 1500 Suburban Yukon Ram 2500 3500
Order by Noon EST and this part ships today!Brand New: AM Autoparts$57.55Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $99.95Free shipping27 sold14-18 Silverado 19 Silverado Classic Front Carrier Assm 6speed Trans 3.42 Ratio (Fits: 2018 GMC Sierra 1500)
Pre-Owned: General Motors$512.50Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFront Differential Carrier Mounting Bracket Pair for 07-19 Chevy GMC Trucks (Fits: 2018 GMC Sierra 1500)
Brand New$94.12Estimated delivery dateEst. delivery Fri, May 24For 2008-2018 GMC Sierra 1500-Differential Carrier Rear Dorman 228EW62 (Fits: 2018 GMC Sierra 1500)
Brand New: Dorman$732.17Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping2016 GMC SIERRA 1500 Transfer Case 129K 867367 (Fits: 2018 GMC Sierra 1500)
Pre-Owned$170.00Was: $212.50or Best Offer$150.00 shipping2018 GMC Sierra 1500 Front Differential Carrier 3.08 Ratio OEM (Fits: 2018 GMC Sierra 1500)
Pre-Owned: GMC$424.99$99.99 shippingNew ListingFor Chevy Silverado GMC Sierra Limited-Slip Locker 8.6" Posi Unit - 30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New$161.00or Best OfferFree shippingEaton-Style Limited-Slip Locker For Chevy GMC GM 8.5" 8.6" Posi Unit 30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New$167.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping2014-2018 Silverado & Sierra 1500 5.3L 2WD 3.73 Gears & Truetrac Posi Package (Fits: 2018 GMC Sierra 1500)
Brand New: Motive Gear$1,299.99Free shippingFor Chevy Silverado GMC Sierra Limited-Slip Locker 8.6" Posi Unit - 30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New$164.29or Best OfferFree shipping2014-2020 GMC Sierra 1500 Pickup Front Axle Differential Carrier 3.42 Ratio (Fits: 2018 GMC Sierra 1500)
Pre-Owned: GMC$374.99Was: $399.99or Best Offer$99.99 shippingOnly 1 left!2017 GMC Sierra 1500 Front Carrier Differential Assembly 66K Mi 3.08 Ratio 14-18 (Fits: 2018 GMC Sierra 1500)
1 Year Part Warranty, Free Shipping, Low Miles!Pre-Owned: General Motors$804.99Was: $1,149.99Free shipping2018 GMC Sierra 1500 Pickup Front Axle Differential 3.42 Ratio 4X4 (Fits: 2018 GMC Sierra 1500)
FREE US SHIPPING! 30 Day Money Back & 199 Day Warranty!Pre-Owned: GMC$700.00Free shippingFit For GMC Sierra 1500 Limited-Slip Locker 8.6" Posi Unit - 30 Spline (Fits: 2018 GMC Sierra 1500)
Brand New$163.81or Best OfferFree shippingGM 23404628 Posi Carrier for 15-19 Silverado-Sierra 5.3L, 9.5" Axle w/3.42:1 (Fits: 2018 GMC Sierra 1500)
New (Other)$265.00$17.15 shippingTRQ 82TG63H Transfer Case Motor Fits 2007-2018 GMC Sierra 1500 4WD (Fits: 2018 GMC Sierra 1500)
Brand New: TRQ$85.52Free shipping2014 GMC SIERRA 1500 Rear Axle Assembly 138K 489872 (Fits: 2018 GMC Sierra 1500)
Pre-Owned$455.56Was: $569.45or Best Offer$150.00 shipping2014-2018 GMC Sierra 1500 3.42 Ratio Front Axle Differential Carrier Opt GU6 OEM
Pre-Owned: GMC$450.00or Best Offer$125.00 shipping2015 - 2020 CADILLAC ESCALADE OEM 6.2L 4X4 FRONT AXLE CARRIER DIFFERENTIAL *24K* (Fits: 2018 GMC Sierra 1500)
Pre-Owned: Cadillac$695.04or Best Offer$100.00 shipping2pcSet Differential Bushings fit 2007 - 2019 Cadillac Escalade GMC Yukon Sierra (Fits: 2018 GMC Sierra 1500)
Brand New: Aftermarket Products$55.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFront And Rear Differential Ring And Pinion Compl Fits 2014-2018 GMC Sierra 1500
Free UPS ShippingBrand New: NITRO GEAR & AXLE$901.42Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping2017-2018 Transfer Case Motor. GMC Sierra 1500, 71K Miles
Pre-Owned: GMC$400.00or Best Offer$130.00 shippingFor 1999-2018 GMC Sierra 1500 Transfer Case Gasket 26516QX 2014 2006 2002 2000 (Fits: 2018 GMC Sierra 1500)
Brand New$10.99Free shippingFront Axle Differential Carrier AACX 23312177 OEM Cadillac Escalade ESV 2015-20 (Fits: 2018 GMC Sierra 1500)
Pre-Owned: Cadillac$899.99or Best OfferFree shippingRear Axle Classic3.42 Differential 5.3L opt GU6 14 15-19 Sierra Silverado 1500 (Fits: 2018 GMC Sierra 1500)
Buyer Pays Shipping - Tested Working - 49k MilesPre-Owned: Chevrolet$519.99or Best Offer2018 GMC Sierra 1500 Front Carrier Differential 3.42 Ratio opt GU6 OEM 23312174 (Fits: 2018 GMC Sierra 1500)
One Year Part Warranty, Top Seller!Pre-Owned: GMC$699.99Was: $999.99Free shipping