Automatic Transmission for 2021 Chevrolet Silverado 3500 HD
No.
Part # / Description / Price
Price
1
Driver Side Engine Mount 
GM
GM Positions: Left
Description: 6.6L diesel. Silverado, Sierra 2500 HD. Left. Silverado, Sierra 3500 HD. Lined with rubber to help reduce engine vibration
Designed to function with all surrounding components to help ensure that the mount bolts correctly and there is minimal interference with other parts on your vehicle
A part that locates and supports the engine. It also reduces vibrations from the engine.
A part that locates and supports the engine. It also reduces vibrations from the engine.
MSRP $105.65
$74.69
MSRP $105.65
$74.69
1
Front Mount GM
GM Positions: Right
Description: Silverado, Sierra 2500 HD. Right. Silverado, Sierra 3500 HD. 6.6L diesel.
MSRP $124.65
$88.11
MSRP $124.65
$88.11
2
Engine Mount Engine Side Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: 6.6L diesel, to engine. 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
Engine Mount Bolt.
Engine Mount Bolt.
MSRP $5.53
$4.06
MSRP $5.53
$4.06
3
Engine Mount Support Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
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
Engine Mount Bolt.
Engine Mount Bolt.
MSRP $7.02
$5.16
MSRP $7.02
$5.16
4
Trans Mount GM
GM Notes: PARTS: Part has related components that cannot be reused/reinstalled; bolt and nut.
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, 2wd. 6.6L diesel, rwd. 6.6L gas, 2wd. 6.6L gas, rwd.
MSRP $37.14
$26.69
MSRP $37.14
$26.69
4
Trans Mount GM
GM Notes: PARTS: Part has related components that cannot be reused/reinstalled; bolt and nut.
Description: Silverado, Sierra 2500 HD. 4wd. Silverado, Sierra 3500 HD. 4wd. 6.6L diesel, 4wd.
Automatic Transmission Mount.
Automatic Transmission Mount.
MSRP $24.65
$18.12
MSRP $24.65
$18.12
5
Power Transfer U-Bolt GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Automatic Transmission Mount Bolt.
Automatic Transmission Mount Bolt.
MSRP $0.57
$0.41
MSRP $0.57
$0.41
6
Multi-Purpose 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.
Related Parts
Part # / Description / Price
Price
Transmission 1 GM
GM Description: Silverado, Sierra 2500 HD. 10 speed trans. 4wd. Mgm trans code. Silverado, Sierra 3500 HD. 10 speed trans. 4wd.
MSRP $5,192.08
$5,150.55
MSRP $5,192.08
$5,150.55
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. Exc.Power Take Off. Code-omcf.
MSRP $5,202.86
$5,161.24
MSRP $5,202.86
$5,161.24
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
$5,457.35
MSRP $5,501.37
$5,457.35
10-Speed Automatic Transmission Assembly 1 GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Automatic Transmission Assembly.
Automatic Transmission Assembly.
MSRP $8,036.25
$7,971.96
MSRP $8,036.25
$7,971.96
Automatic Transmission Case Extension Seal GM
GM Description: Extension Housing to Transmission. Express, savana. 6l90. Tahoe, Yukon, Escalade. 6 speed trans. Yukon XL, Suburban. 5.3l. 6 speed myc (6l80). Avalanche, Escalade EXT. 6 speed trans. Tahoe, Yukon, Escalade. 4.8l, 5.3l. 6 speed (6l80). Silverado, Sierra 250 ...
MSRP $8.24
$6.06
MSRP $8.24
$6.06
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.
Not For Sale
Not For Sale
F Remanufactured Transmission 1 GM
GM Description: Silverado, Sierra 2500 HD. 6 speed trans. 4wd. Silverado, Sierra 3500 HD. 6 speed trans. 4wd.
MSRP $4,614.99
$4,578.07
MSRP $4,614.99
$4,578.07
Automatic Transmission 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
Automatic Transmission Extension Housing Seal.
Automatic Transmission Extension Housing Seal.
MSRP $1.95
$1.43
MSRP $1.95
$1.43
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.