Automatic Transmission Parts for 2018 GMC Sierra 3500 HD
Find parts that fit
We need more information about your vehicle to confirm fit.
2018
GMC
Sierra 3500 HD
SPONSOREDSPONSOREDSPONSOREDSPONSOREDSPONSORED
All
Auction
Buy It Now
1,144 Results
Transfer Case 6.0L Floor Shift Opt Nqg Fits 16-19 SIERRA 2500 PICKUP 643800 (Fits: 2018 GMC Sierra 3500 HD)
6 Month Money Back Guarantee! - In Business Since 1935!Pre-Owned: GMC$694.38Was: $730.93or Best OfferFree shippingGMC Sierra Transmission Shift Cable Repair Kit w/ bushing Easy Install (Fits: 2018 GMC Sierra 3500 HD)
Brand New: Bushing Fix$21.99or Best OfferFree shippingTransfer Case 6.0L Floor Shift Opt Nqg Fits 16-19 SIERRA 2500 PICKUP 640464 (Fits: 2018 GMC Sierra 3500 HD)
90 Day Guarantee! - Family Owned And Operated!Pre-Owned: Chevrolet$778.95Was: $819.95or Best OfferFree shippingTransfer Case 6.6L Diesel Dash Switch Fits 15-19 SIERRA 2500 PICKUP 9429373 (Fits: 2018 GMC Sierra 3500 HD)
6 Month Warranty Wilbert's OEM Quality Parts Since 1952Pre-Owned: GMC$854.05Was: $899.00or Best OfferFree shippingNew ListingTransfer Case 6.6L Diesel Floor Shift Fits 17-19 SIERRA 3500 PICKUP 936780 (Fits: 2018 GMC Sierra 3500 HD)
90 DAY PART ONLY WARRANTY! QUALITY USED OEM PART!Pre-Owned: GMC$948.39$300.00 shippingPPE Black Deep Capacity Aluminum Oil Pan For 17-19 Chevy/GMC 6.6L Duramax L5P (Fits: 2018 GMC Sierra 3500 HD)
**FAST & FREE SHIPPING!!** **AUTHORIZED PPE DEALER!!**Brand New: PPE$368.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
11 watching2017-2019 GMC Sierra 2500 3500 Denali Automatic Transmission 6.0L 4WD 4x4 (Fits: 2018 GMC Sierra 3500 HD)
30 Day Money Back Guarantee! MILEAGE 120,580Pre-Owned: Unbranded$3,218.00Free shipping2007-2013 SILVERADO SIERRA 2500 3500HD 6L90 TRANSMISSION PAN NEW GM# 24226851 (Fits: 2018 GMC Sierra 3500 HD)
#1 on Diagram Only-Genuine OE Factory Original ItemBrand New: OEM$39.21Free shippingOnly 1 left!Fleece Performance Transmission Cooler Lines For 17-19 GM 2500/3500 6.6L Duramax (Fits: 2018 GMC Sierra 3500 HD)
**FAST & FREE SHIPPING** - **AUTHORIZED FLEECE DEALER**Brand New: Fleece Performance$329.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFor 2007-2019 GMC Sierra 3500 HD Dorman Shift Interlock Solenoid 2008 2009 2010 (Fits: 2018 GMC Sierra 3500 HD)
Automatic Transmission;Brand New: Dorman$38.22Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
GM 2001-2019 Duramax 2500HD 3500HD Allison Deep Transmission Pan Filter Lock (Fits: 2018 GMC Sierra 3500 HD)
Brand New$39.98Free shipping19 soldGM OEM-Transmission Cooler 84173162 (Fits: 2018 GMC Sierra 3500 HD)
#1 on Diagram Only-Genuine OE Factory Original ItemBrand New: OEM$313.08Free shippingTransfer Case 6.6L Diesel Dash Switch Fits 15-19 SIERRA 2500 PICKUP 1489373 (Fits: 2018 GMC Sierra 3500 HD)
101 DAY MONEY BACK GUARANTEE!! 100% TESTED PARTS!Pre-Owned: Chevrolet$1,146.64Was: $1,206.99or Best OfferFree shippingTransfer Case 6.6L Diesel Dash Switch Fits 15-19 SIERRA 2500 PICKUP 1201995 (Fits: 2018 GMC Sierra 3500 HD)
(6 MONTH MONEY BACK GUARANTEE!!!) (100% TESTED!!!)Pre-Owned: Chevrolet$1,028.31Was: $1,082.43or Best OfferFree shippingTransfer Case 6.0L Dash Switch Opt Nqf Fits 17-19 SIERRA 2500 PICKUP 764117 (Fits: 2018 GMC Sierra 3500 HD)
(91 DAY MONEY BACK GUARANTEE!!! 100% TESTED!!!!)Pre-Owned: GMC$945.24Was: $994.99or Best OfferFree shippingPPE High-Efficiency Oil & Transmission Filter For 01-19 Chevy GMC 6.6L Duramax
**FAST AND FREE SHIPPING!** **AUTHORIZED PPE DEALER!**Brand New: PPE$65.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
205 soldShift Interlock Solenoid Dorman For 2007-2019 GMC Sierra 3500 HD 2008 2009 2010 (Fits: 2018 GMC Sierra 3500 HD)
Brand New: Dorman$37.91Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingTransmission Line Pressure EPC Plug For Chevy Silverado / GMC Sierra 2500-3500 (Fits: 2018 GMC Sierra 3500 HD)
Brand New$37.69Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingPPE Raw Heavy Duty Aluminum Oil Pan For 2017-2019 Chevy/GMC 6.6L Duramax L5P (Fits: 2018 GMC Sierra 3500 HD)
**FAST & FREE SHIPPING!!** **AUTHORIZED PPE DEALER!!**Brand New: PPE$350.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
11 watchingPPE Raw Heavy Duty Deep Transmission Pan For 2001-2019 GM 6.6L Duramax Diesel (Fits: 2018 GMC Sierra 3500 HD)
**FAST AND FREE SHIPPING!** **AUTHORIZED PPE DEALER!**Brand New: PPE$332.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
25 watchingNew ListingOriginal Equipment Filter Spin-on External. (Fits: 2018 GMC Sierra 3500 HD)
Brand New$30.33Estimated delivery dateEst. delivery Mon, Jun 1014104 Automatic Transmission Shift Cable Bushing For Chevrolet GMC Ram 23261491 (Fits: 2018 GMC Sierra 3500 HD)
Brand New$9.90Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $14.14Free shippingAllison Deep Transmission Pan Filter Lock GM 2001-2019 Duramax 2500HD 3500HD (Fits: 2018 GMC Sierra 3500 HD)
Brand New$39.99Free shippingOnly 3 left2015-2019 Silverado Sierra 3500 6.6L Diesel OEM Transfer Case Core Opt NFQ (Fits: 2018 GMC Sierra 3500 HD)
Pre-Owned: General Motors$600.00or Best OfferNew ListingTransfer Case 6.0L Floor Shift Opt Nqg Fits 16-19 SIERRA 2500 PICKUP 1074935 (Fits: 2018 GMC Sierra 3500 HD)
90 DAY PART ONLY WARRANTY! QUALITY USED OEM PART!Pre-Owned: Chevrolet$476.39$300.00 shippingFor Chevy / GMC 2500 3500 Transmission Line Pressure EPC Solenoid Plug 128041119 (Fits: 2018 GMC Sierra 3500 HD)
Brand New: Alpha Rider$37.71Was: $40.99or Best OfferFree shippingTransfer Case 6.0L Floor Shift Opt Nqg Fits 16-19 SIERRA 2500 PICKUP 172056 (Fits: 2018 GMC Sierra 3500 HD)
60 Day Money Back Guarantee! - 100% Tested Auto Part!Pre-Owned: Chevrolet$893.27Was: $940.28or Best OfferFree shippingFor Chevrolet GMC Sierra Silverado 6L80 Cooler Transmission Thermostat Barbell (Fits: 2018 GMC Sierra 3500 HD)
New (Other): Alpha Rider$38.99or Best Offer$1.99 shippingTransfer Case 6.6L Diesel Dash Switch Fits 15-19 SIERRA 2500 PICKUP 4060837 (Fits: 2018 GMC Sierra 3500 HD)
Pre-Owned: GMC$1,225.00Free shippingPPE Transmission Line Pressure EPC Blocker For 11-19 Chevy/GMC 2500 3500 Allison (Fits: 2018 GMC Sierra 3500 HD)
**FAST AND FREE SHIPPING!** **AUTHORIZED PPE DEALER!**Brand New: PPE$59.49Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best Offer66 soldChevrolet Silverado GMC Sierra Allison Transmission Neutral Safety Switch OEM (Fits: 2018 GMC Sierra 3500 HD)
Brand New: General Motors(4)4 product ratings - Chevrolet Silverado GMC Sierra Allison Transmission Neutral Safety Switch OEM$184.63Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Only 2 leftGenuine Allison Shallow Trans Pan Filter 2011-2019 GM 2500HD 3500 Duramax Diesel (Fits: 2018 GMC Sierra 3500 HD)
Brand New: Allison$60.00Free shippingOnly 1 left!PPE Heavy Duty Allison 1000 2000 PTO Cover For 2001-2018 Chevy/GMC 6.6L Duramax
**FAST AND FREE SHIPPING!!!** **AUTHORIZED DEALER!!!**Brand New: PPE$81.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Only 2 leftPPE Allison 129021115 Transmission Transfer Case Brace For 11-19 GMC/ Chevrolet (Fits: 2018 GMC Sierra 3500 HD)
FAST AND FREE SHIPPING! *AUTHORIZED PPE DEALER!!!*Brand New: PPE$144.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best Offer4 watchingTransfer Case 6.0L Floor Shift Opt Nqg Fits 16-19 SIERRA 2500 PICKUP 738651 (Fits: 2018 GMC Sierra 3500 HD)
(91 DAY MONEY BACK GUARANTEE!!! 100% TESTED!!!!)Pre-Owned: Chevrolet$797.99Was: $839.99or Best OfferFree shippingAllison Transmission Deep Filter Lock Chevy/GMC 2001-2019 Duramax 2500HD 3500HD (Fits: 2018 GMC Sierra 3500 HD)
Brand New$40.00Free shippingAutomatic Transmission 6.0L 4WD Fits 17-18 SIERRA 2500 PICKUP 373870 (Fits: 2018 GMC Sierra 3500 HD)
MUST SHIP TO A COMMERCIAL ADDRESSPre-Owned: Chevrolet$2,169.00or Best OfferFree shipping6 Speed Automatic Transmission 24279078 Fits 17-19 Sierra 2500 6.0L 4WD 2790685 (Fits: 2018 GMC Sierra 3500 HD)
ASK FOR CHAD - Freight Shipping - 90 Day WarrantyPre-Owned: GMC$2,659.00or Best Offer$150.00 shipping17-18 GMC SIERRA 2500 3500 6.0L 4X4 6 SPEED AT COMPLETE TRANSMISSION TESTED OEM (Fits: 2018 GMC Sierra 3500 HD)
Pre-Owned: Chevrolet$2,499.99or Best OfferFree shippingAllison Standard Transmission Filter Lock Chevy/GMC 01-19 Duramax 2500HD 3500HD (Fits: 2018 GMC Sierra 3500 HD)
Brand New$37.98Free shippingOnly 2 leftAutomatic Transmission Shift Solenoid (Fits: 2018 GMC Sierra 3500 HD)
Great Brands | Free Shipping | Warranty | Easy ReturnsBrand New: General Motors$31.45Free shippingAPDTY 161742 Transmission Pressure Switch (Fits: 2018 GMC Sierra 3500 HD)
Premium Quality Materials For Long Trouble Free LifeBrand New: APDTY$84.65Free shippingTC Reman B85JMBX Torque Converter (Fits: 2018 GMC Sierra 3500 HD)
For Select Cadillac Chevrolet GMC Hummer Pontiac ModelsBrand New: DACCO Transmission Parts$515.99Was: $755.99Free shipping15 watchingTransmission Assembly Automatic 6.6L 4WD OEM 17 18 19 GMC Sierra 2500 3500 (Fits: 2018 GMC Sierra 3500 HD)
Item must be sent to a commercially zoned addressPre-Owned: Unbranded$2,349.99Was: $2,937.49or Best Offer$300.00 shippingAutomatic Transmission Pressure Control Solenoid (Fits: 2018 GMC Sierra 3500 HD)
Brand New: General Motors$113.25Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
$6.88 shipping2017-2019 Silverado 2500 3500 Pickup Automatic Transmission 6.0L 2WD 4x2 773275 (Fits: 2018 GMC Sierra 3500 HD)
FREE SHIPPING! 6 MONTH WARRANTY!Pre-Owned: Chevrolet$2,875.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFor GMC Chevrolet Silverado Cooler Transmission Thermostat Barbell Tahoe Sierra (Fits: 2018 GMC Sierra 3500 HD)
New (Other): Alpha Rider$42.99or Best OfferFree shippingTransfer Case 6.0L Dash Switch Opt Nqf Fits 17-19 SIERRA 2500 PICKUP 2552799 (Fits: 2018 GMC Sierra 3500 HD)
6 MONTH MONEY BACK WARRANTY!!!! 100% TESTED!!Pre-Owned: Chevrolet$1,177.04Was: $1,238.99or Best OfferFree shippingTransfer Case 6.0L Floor Shift Opt Nqg Fits 16-19 SIERRA 2500 PICKUP 739791 (Fits: 2018 GMC Sierra 3500 HD)
(91 DAY MONEY BACK GUARANTEE!!! 100% TESTED!!!!)Pre-Owned: GMC$797.99Was: $839.99or Best OfferFree shipping