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Dorman 999-805 Shock Mount

Dorman 999-805 Shock Mount Image 1
Dorman 999-805 Shock Mount Image 2
Dorman 999-805 Shock Mount Image 3
Dorman 999-805 Shock Mount Image 4
Dorman 999-805 Shock Mount

Dorman
Brand:Dorman
Part Number: 999-805
UPC: 00889245978080
Weight: 1.1 lbs
Condition:New



On Sale:

$30.49

Availability:
61 in Stock
Warehouse: US-19
Quantity:

Product Information

Description:

Get the Dorman 999-805 Shock Mount for your vehicle. Buy now and secure your purchase online!

When an original equipment rear upper shock bracket on certain Chevrolet and GMC trucks rusts and fails, the dealer doesn't offer a replacement, and fabricating a bracket can be time-consuming. The bracket, which sits at the front of the crossmember that also serves as the spare tire mount, is a little more difficult to install than others due to the curvature and construction of the crossmember. Make a professional repair by installing this Dorman OE FIX bracket, engineered to fit the crossmember just like the factory piece it's replacing. This weld-on Dorman OE FIX rear upper shock bracket is constructed from quality carbon steel and designed to save time and money. It is engineered to precise dimensions and features a rust-resistant coating to help ensure long service life under the toughest on- and off-road conditions. The bracket is coated to prevent rust and speed installation - just recoat the appropriate areas after weld preparation and welding.

Features and Benefits:

  • Quality construction - manufactured from rugged carbon steel to precise dimensions for an exact fit and a predictable, reliable installation
  • Rust resistant - coated to save installation time and to prevent rust if proper finish treatment is applied when welding is complete
  • Saves time - this weld-on carbon steel upper shock bracket is designed to eliminate the need to fabricate a replacement for a rusted factory bracket on certain Chevrolet and GMC trucks
  • Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience

Specifications:

Color:
Black
Height:
94.5 mm
Length:
148 mm
Material:
Steel
Mounting Hardware Included:
No
Mounting Hole Diameter:
15 mm
Package Contents:
1 Weld On Shock Mount
Shock Mount Type:
Weld On Through Bolt Eyelet
Washer Included:
No
Width:
53 mm
General Motors #:
12479977
General Motors #:
12479978
Country of Origin:
IN

Select a vehicle to narrow Dorman 999-805 Shock Mount fitment info!

Last Updated: 09/22/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500

6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500

6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

Chevrolet Silverado 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
Chevrolet Silverado 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 3500



6.0L V8 CNG OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 3500

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 3500



6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Crew Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 3500 Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Crew Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

Chevrolet Silverado 3500 Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

GMC Sierra 2500



6.0L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 2500



6.0L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 2500

6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

GMC Sierra 2500



6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
GMC Sierra 2500

6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 2500



6.0L V8 Bi-Fuel OHV,
6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 78.0 In.
 

GMC Sierra 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 78.0 In.

1 Per Vehicle
GMC Sierra 2500 HD Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 2500 HD Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 3500



6.0L V8 CNG OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle
GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Rear Left (Driver) Upper
 
Extended Cab Pickup
Bed Length 96.0 In.
 

GMC Sierra 3500 Classic



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Rear Left (Driver) Upper Extended Cab Pickup
Bed Length 96.0 In.

1 Per Vehicle