Engines and Components› Oiling Systems

Dorman

GENERAL MOTORS 1702 EXHAUST MANIFOLD KIT

$185.42

SKU: D00I 674-732

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Dorman 674-732 is a standard replacement exhaust manifold designed to fit a range of Cadillac, Chevrolet, GMC, Hummer, and Workhorse vehicles. This cast iron manifold features a metallic gray finish and includes a heat shield.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDorman
Part NumberD00I 674-732

Videos

Fix exhaust leaks faster for less with Dorman OE FIX repair kits

Fix exhaust leaks faster for less with Dorman OE FIX repair kits
Fixing That LS Exhaust Leak WITHOUT Drilling or Welding!

Fixing That LS Exhaust Leak WITHOUT Drilling or Welding!
Dorman - How To Install an Exhaust Manifold Clamp

Dorman - How To Install an Exhaust Manifold Clamp
Exhaust Manifold Leak Fixed with Dorman Manifold Clamps on GM 4.8 5.3 6.0 6.2L Engines

Exhaust Manifold Leak Fixed with Dorman Manifold Clamps on GM 4.8 5.3 6.0 6.2L Engines
5.3 Exhaust Manifold Leak Fixed With Dorman 917-142 Clamp

5.3 Exhaust Manifold Leak Fixed With Dorman 917-142 Clamp
BD HEMI Manifold VS OEM | SEMA 2023

BD HEMI Manifold VS OEM | SEMA 2023
2013 Tahoe exhaust leak fix with Dorman 917-142 clamp

2013 Tahoe exhaust leak fix with Dorman 917-142 clamp
Highlighted Part: Exhaust Manifold to Cylinder Head Repair Clamp for Chevy, GMC & Hummer Models

Highlighted Part: Exhaust Manifold to Cylinder Head Repair Clamp for Chevy, GMC & Hummer Models
GMC and Chevrolet exhaust manifold leak fix Dorman clamp/bracket

GMC and Chevrolet exhaust manifold leak fix Dorman clamp/bracket
Make Dorman your exhaust manifold repair solution

Make Dorman your exhaust manifold repair solution

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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