231+ 2020 GMC Sierra 1500 Engine & Drivetrain AT4 Parts - Page 9

AT4 · Engine & Drivetrain (206 products)

Exact-fit parts for the 2020 GMC Sierra 1500 AT4.

Fel-Pro

Part # 55498

Confirmed Fit

Fel-Pro Chevrolet Silverado 1500 55498 Axle Housing Cover Gasket

$22.72

Yukon Gear 14+ GM 12 Bolt 9.76in Master Overhaul Kit

Yukon Gear & Axle

Part # YK GM9.76

Confirmed Fit

Yukon Gear 14+ GM 12 Bolt 9.76in Master Overhaul Kit

$625.89

Granatelli 96-22 GM LS Standard Valve Cover w/Angled Coil Mount - Cast Finish (Pair)

Granatelli Motor Sports

Part # 640365

Confirmed Fit

Granatelli 96-22 GM LS Standard Valve Cover w/Angled Coil Mount - Cast Finish (Pair)

$215.47

Granatelli 14-23 GM LT Direct Ignition Coil Packs - Black (Set of 8)

Granatelli Motor Sports

Part # 28-0514-CP

Confirmed Fit

Granatelli 14-23 GM LT Direct Ignition Coil Packs - Black (Set of 8)

$721.48

Nitrous Express

Part # 15770

Confirmed Fit

Nitrous Express GM LS Solenoid Bracket (Passenger Side Head)

$43.05

Nitrous Express

Part # NX933

Confirmed Fit

Nitrous Express EFI Nitrous Plate Conversion GM LS 102mm

$415.23

Fel-Pro

Part # 26749PT

Confirmed Fit

Fel-Pro GMC Sierra 1500 26749 PT PermaTorque Engine Cylinder Head Gasket

$58.48

aFe Street Series Rear Differential Cover Raw 14-19 Chevrolet Silverado V8 4.3L / 5.3L / 6.2L

aFe

Part # 46-71120A

Confirmed Fit

aFe Street Series Rear Differential Cover Raw 14-19 Chevrolet Silverado V8 4.3L / 5.3L / 6.2L

$344.65

SCT Performance

Part # 4520

Confirmed Fit

SCT Performance ITSX Micro USB Cable (for Ford Vehicles)

$7.31

Granatelli 14-23 GM LT1 6.2L Straight Boot Hi-Perf Coil-Near-Plug Ignition Wire Connector Kit - Blue

Granatelli Motor Sports

Part # 28-1545S

Confirmed Fit

Granatelli 14-23 GM LT1 6.2L Straight Boot Hi-Perf Coil-Near-Plug Ignition Wire Connector Kit - Blue

$211.12

Nitrous Express

Part # 20936-05

Confirmed Fit

Nitrous Express 2014+ GM 5.3L Truck Nitrous Plate Kit (50-250HP) w/5lb Bottle

$1060.29

Fel-Pro

Part # 73889

Confirmed Fit

Fel-Pro Chevrolet Silverado 1500 73889 Engine Oil Dipstick Tube O-Ring

$4.57

Royal Purple

Part # 06320

Confirmed Fit

Royal Purple Max ATF Automatic Transmission Fluid - 1 Quart

$95.94

Granatelli 14-23 GM LT Direct Ignition Coil Packs - Black (Single)

Granatelli Motor Sports

Part # 28-0514-1

Confirmed Fit

Granatelli 14-23 GM LT Direct Ignition Coil Packs - Black (Single)

$115.82

Granatelli 13-20 GM LT1/LT4/LT5 Drive-By-Wire 112mm Throttle Body - Natural

Granatelli Motor Sports

Part # GMTBLT112

Confirmed Fit

Granatelli 13-20 GM LT1/LT4/LT5 Drive-By-Wire 112mm Throttle Body - Natural

$871.82

Mishimoto

Part # MMBCC-T1-19

Confirmed Fit

Mishimoto 2019+ Chevy Silverado 1500 5.3L/6.2L Baffled Oil Catch Can

$204.75

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3800 Hard Hit Stall

FTI Performance

Part # SRL97082-3

Confirmed Fit

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3800 Hard Hit Stall

$1554.75

AMP Research

Part # 19-04279-XTA

Confirmed Fit

AMP Research Replacement Controller Xtreme - Type A (Revision 6)

$99.99

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3600 Stall

FTI Performance

Part # SRL90086-3

Confirmed Fit

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3600 Stall

$1554.75

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3000 Stall

FTI Performance

Part # SRL93082-3

Confirmed Fit

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3000 Stall

$1554.75

Frequently Asked Questions

Do these parts fit my 2020 GMC Sierra 1500 AT4?

This page groups parts listed for the 2020 GMC Sierra 1500 AT4. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What engine & drivetrain options are available for my 2020 GMC Sierra 1500 AT4?

We offer a wide selection of engine & drivetrain parts for the 2020 GMC Sierra 1500 AT4. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2020 GMC Sierra 1500 AT4?

We carry parts from trusted brands including Nitrous Express, Granatelli Motor Sports, aFe, Fel-Pro, and Camburg, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2020 GMC Sierra 1500 AT4 parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2020 GMC Sierra 1500 AT4 parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2020 GMC Sierra 1500(2,855 parts)

2020 GMC Sierra 1500(2,855 parts)

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Other GMC Sierra 1500 Years

AT4 · Engine & Drivetrain (206 products)

Fel-Pro Chevrolet Silverado 1500 55498 Axle Housing Cover Gasket

Yukon Gear 14+ GM 12 Bolt 9.76in Master Overhaul Kit

Granatelli 96-22 GM LS Standard Valve Cover w/Angled Coil Mount - Cast Finish (Pair)

Granatelli 14-23 GM LT Direct Ignition Coil Packs - Black (Set of 8)

Nitrous Express GM LS Solenoid Bracket (Passenger Side Head)

Nitrous Express EFI Nitrous Plate Conversion GM LS 102mm

Fel-Pro GMC Sierra 1500 26749 PT PermaTorque Engine Cylinder Head Gasket

aFe Street Series Rear Differential Cover Raw 14-19 Chevrolet Silverado V8 4.3L / 5.3L / 6.2L

SCT Performance ITSX Micro USB Cable (for Ford Vehicles)

Granatelli 14-23 GM LT1 6.2L Straight Boot Hi-Perf Coil-Near-Plug Ignition Wire Connector Kit - Blue

Nitrous Express 2014+ GM 5.3L Truck Nitrous Plate Kit (50-250HP) w/5lb Bottle

Fel-Pro Chevrolet Silverado 1500 73889 Engine Oil Dipstick Tube O-Ring

Royal Purple Max ATF Automatic Transmission Fluid - 1 Quart

Granatelli 14-23 GM LT Direct Ignition Coil Packs - Black (Single)

Granatelli 13-20 GM LT1/LT4/LT5 Drive-By-Wire 112mm Throttle Body - Natural

Mishimoto 2019+ Chevy Silverado 1500 5.3L/6.2L Baffled Oil Catch Can

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3800 Hard Hit Stall

AMP Research Replacement Controller Xtreme - Type A (Revision 6)

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3600 Stall

FTI 9.5in 8L90E Billet Triple Disc Lock-Up Street Racer Series - 3000 Stall

Frequently Asked Questions

Do these parts fit my 2020 GMC Sierra 1500 AT4?

What engine & drivetrain options are available for my 2020 GMC Sierra 1500 AT4?

What brands make parts for the 2020 GMC Sierra 1500 AT4?

How fast do 2020 GMC Sierra 1500 AT4 parts ship?

What warranty do your 2020 GMC Sierra 1500 AT4 parts come with?