Automatic Transmission for 2020 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
1
Motor Mount 
GM
GM Positions: Left
Description: 6.6L diesel. 6.6L gas. Silverado, Sierra 3500 HD. Right. Silverado, Sierra 2500 HD.
MSRP $107.81
$72.50
MSRP $107.81
$72.50
2
Engine Mount Bolt GM
GM Positions: Left
Description: 5.3 & 6.2L, #2. 6.6L gas, to engine. 4.3L, #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.51
$0.36
MSRP $0.51
$0.36
3
Engine Mount Support Bolt GM
GM Positions: Left
Description: 6.6L gas, to frame. 6.6L diesel, to frame. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $7.02
$4.94
MSRP $7.02
$4.94
4
Transmission Mount GM
GM Notes: PARTS: Part has related components that cannot be reused/ reinstalled; bolt and nut.
Description: 6.6L gas, 4wd. Silverado, Sierra 2500 HD. 4wd. Silverado, Sierra 3500 HD. 4wd. Secures transmission
Helps absorb drivetrain vibrations, helping to create a comfortable ride
Designed to function with surrounding components
MSRP $50.31
$34.26
MSRP $50.31
$34.26
4
Transmission Mount GM
GM Notes: PARTS: Part has related components that cannot be reused/ reinstalled; bolt and nut.
Description: 6.6L gas, 2wd. Silverado, Sierra 2500 HD. 2wd. Silverado, Sierra 3500 HD. 2wd. Secures transmission
Helps absorb drivetrain vibrations, helping to create a comfortable ride
Designed to function with surrounding components
MSRP $60.80
$41.41
MSRP $60.80
$41.41
5
Multi-Purpose Bolt GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: 2018-20. 5.3 & 6.2L, 2wd. 6.6L gas. Awd. 2.7L turbo, 2wd. Center. 4.3L. 3.0L diesel, 2wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.12
$5.72
MSRP $8.12
$5.72
6
Trans Mount Nut GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: 3.0L diesel. 6.6L gas. 6.6L diesel. 2.7L turbo. 4.3L. 6.2L supercharged.
MSRP $0.51
$0.36
MSRP $0.51
$0.36
7
Transmission Mount Heat Shield GM
GM Description: 6.6L gas, 4wd only. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.08
$7.10
MSRP $10.08
$7.10
Related Parts
Part # / Description / Price
Price
Automatic Transmission 1 GM
GM Description: 10-speed, Option Code MGM, Factory Remanufactured
MSRP $5,192.08
$4,546.19
MSRP $5,192.08
$4,546.19
F Remanufactured Transmission 1 GM
GM Description: Silverado, Sierra 2500 HD. 10 speed trans. 4wd. Mgu trans code. Silverado, Sierra 3500 HD. 10 speed trans. 4wd.
MSRP $5,501.37
$4,816.99
MSRP $5,501.37
$4,816.99
Automatic Transmission Case Extension Seal GM
GM Description: M Genuine Parts Automatic Transmission Extension Housing Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
MSRP $8.24
$5.80
MSRP $8.24
$5.80
F Remanufactured Transmission 1 GM
GM Description: Silverado, Sierra 2500 HD. 10 speed trans. Rwd. Mgm trans code. Silverado, Sierra 3500 HD. 10 speed trans.
MSRP $5,250.78
$4,597.58
MSRP $5,250.78
$4,597.58
F Remanufactured Transmission 1 GM
GM Description: Silverado, Sierra 2500 HD. 10 speed trans. Rwd. Mgu trans code. Silverado, Sierra 3500 HD. 10 speed trans.
MSRP $5,534.30
$4,845.84
MSRP $5,534.30
$4,845.84
F Remanufactured Transmission 1 GM
GM Description: Silverado, Sierra 2500 HD. 6 speed trans. Rwd. Silverado, Sierra 3500 HD. 6 speed trans. Express 2500. 6-speed trans. 6.6l. Express 3500. 6-speed trans. 6.6l. Savana 2500. 6-speed trans. 6.6l. Savana 3500. 6-speed trans. 6.6l.
MSRP $4,619.76
$4,100.50
MSRP $4,619.76
$4,100.50
6-Speed Automatic Transmission 1 GM
GM Description: Factory Remanufactured
3 Year / 100,000 Mile Warranty
MYD Option
Code 0D8A
Superseded from 24284610
MSRP $4,614.99
$4,096.26
MSRP $4,614.99
$4,096.26
Automatic Transmission Extension Housing Seal GM
GM Description: Silverado, Sierra 2500 HD. 10 speed trans. Silverado, Sierra 3500 HD. 10 speed trans. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1.95
$1.37
MSRP $1.95
$1.37
Automatic Transmission Case Extension Output Shaft Seal GM
GM Description: Extension Housing to Prop Shaft. Express, savana. 6l90. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $56.12
$38.21
MSRP $56.12
$38.21
Automatic Transmission Rear Output Shaft Seal GM
GM Description: Silverado, sierra. 6l90. Silverado, sierra. 6l80. Corvette. XLR. STS-v. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $32.08
$22.29
MSRP $32.08
$22.29
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.