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2018 GMC Sierra 2500 HD

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Dorman 674-732 Exhaust Manifold
for 2018 GMC Sierra 2500 HD

Dorman 674-732 Exhaust Manifold - 2018 GMC Sierra 2500 HD Image 1
Dorman 674-732 Exhaust Manifold - 2018 GMC Sierra 2500 HD Image 2
Dorman 674-732 Exhaust Manifold - 2018 GMC Sierra 2500 HD Image 3
Dorman 674-732 Exhaust Manifold - 2018 GMC Sierra 2500 HD Image 4
Dorman 674-732 Exhaust Manifold - 2018 GMC Sierra 2500 HD Image 5
Dorman 674-732 Exhaust Manifold - 2018 GMC Sierra 2500 HD

Dorman
Brand:Dorman
Part Number: 674-732
UPC: 019495212904
Weight: 18.25 lbs
Condition:New



On Sale:

$147.19

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

Product Information

Description:

Get the Dorman 674-732 Exhaust Manifold for your 2018 GMC Sierra 2500 HD. Buy now and secure your purchase online!

Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Features and Benefits:

  • Complete kit - includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts
  • Direct fit - reverse engineered from original equipment for seamless installation
  • Quality engineering - designed and tested in the United States
  • Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking

Specifications:

Color:
Metallic Gray
Gasket Or Seal Included:
Yes
Grade Type:
Regular
Heat Shield Included:
Yes
Material:
Cast Iron
Mounting Hardware Included:
Yes
Package Contents:
1 Manifold Gasket
Package Contents:
2 Flange Gaskets
Package Contents:
3 Nuts
Package Contents:
3 Studs
Package Contents:
Exhaust Manifold
Port Shape:
Round
ATP #:
101371
Davico Mfg #:
663227
General Motors #:
12569416
General Motors #:
12569530
General Motors #:
12578341
General Motors #:
12602038
General Motors #:
12612084
General Motors #:
12616286
General Motors #:
12647717
General Motors #:
12648339
General Motors #:
12677665
General Motors #:
12686302
Country of Origin:
CN

Dorman 674-732 Exhaust Manifold compatibility with your 2018 GMC Sierra 2500 HD...

Last Updated: 09/20/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

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GMC Sierra 2500 HD

6.0L V8 Flex OHV
1
 
Right (Passenger)
 
wo/Ceramic Coating
 

GMC Sierra 2500 HD



6.0L V8 Flex OHV

Right (Passenger) wo/Ceramic Coating

1 Per Vehicle
GMC Sierra 2500 HD

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
wo/Ceramic Coating
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV

Right (Passenger) wo/Ceramic Coating

1 Per Vehicle

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