Description
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Product Reviews
Q&A
Vehicle Fit

Our aftermarket manifolds are some of the highest quality replacements on the market!

If your vehicle's exhaust is getting loud and the exhaust noise is coming from under the hood or engine then you may need to fix a cracked exhaust manifold. Replacing a broken manifold is easiest with a direct replacement manifold that will fit correctly and bolt up to you original engine and exhaust system. This manifold is a direct fitting replacement.

This cast iron manifold has been designed to eliminate the faults of the original GM design.

 

Specifications

  • Passenger side
  • 3 bolt flange
  • Heat shield included
  • Includes Gaskets and Hardware
  • Direct replacement
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Corrosion resistant
  • Strengthened and redesigned in the vulnerable areas of failure

Now you can buy a high quality exhaust manifold that is built to strict quality control standards for a fraction of the dealer price. REPLACE your broken, warped, or cracked one now with this great fitting, alternative.

WARNING:  This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Year Make Model Description
1987Chevy Blazer Full Size Chevy Blazer Full Size Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987-1991Chevy Blazer Full Size Chevy Blazer Full Size Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy R1500 Truck Chevy R1500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987Chevy R1500 Truck Chevy R1500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy R2500 Truck Chevy R2500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987Chevy R2500 Truck Chevy R2500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1988Chevy R2500 Truck Chevy R2500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1989Chevy R2500 Truck Chevy R2500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy R3500 Truck Chevy R3500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987Chevy R3500 Truck Chevy R3500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1988Chevy R3500 Truck Chevy R3500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1989-1991Chevy R3500 Truck Chevy R3500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy Suburban R10 Chevy Suburban R10 Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987Chevy Suburban R10 Chevy Suburban R10 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988Chevy Suburban R10 Chevy Suburban R10 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991Chevy Suburban R1500 Chevy Suburban R1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987Chevy Suburban R20 Chevy Suburban R20 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988Chevy Suburban R20 Chevy Suburban R20 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991Chevy Suburban R2500 Chevy Suburban R2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987Chevy Suburban V10 Chevy Suburban V10 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988Chevy Suburban V10 Chevy Suburban V10 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991Chevy Suburban V1500 Chevy Suburban V1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987Chevy Suburban V20 Chevy Suburban V20 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988Chevy Suburban V20 Chevy Suburban V20 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991Chevy Suburban V2500 Chevy Suburban V2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987Chevy V1500 Truck Chevy V1500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy V1500 Truck Chevy V1500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987Chevy V2500 Truck Chevy V2500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987Chevy V2500 Truck Chevy V2500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1988Chevy V2500 Truck Chevy V2500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1989Chevy V2500 Truck Chevy V2500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy V3500 Truck Chevy V3500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987Chevy V3500 Truck Chevy V3500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1988Chevy V3500 Truck Chevy V3500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1989-1991Chevy V3500 Truck Chevy V3500 Truck Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987GMC Jimmy Full Size GMC Jimmy Full Size Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987-1991GMC Jimmy Full Size GMC Jimmy Full Size Exhaust Manifold V8 5.7L 350ci Passenger Side Dorman 674-158
1987GMC R1500 Truck GMC R1500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC R1500 Truck GMC R1500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987GMC R2500 Truck GMC R2500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC R2500 Truck GMC R2500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1988GMC R2500 Truck GMC R2500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC R3500 Truck GMC R3500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC R3500 Truck GMC R3500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1988GMC R3500 Truck GMC R3500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991GMC R3500 Truck GMC R3500 Truck Exhaust Manifold Passenger Side V8 5.7L Dorman 674-158
1987GMC Suburban R1500 GMC Suburban R1500 Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987GMC Suburban R1500 GMC Suburban R1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988GMC Suburban R1500 GMC Suburban R1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991GMC Suburban R1500 GMC Suburban R1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC Suburban R2500 GMC Suburban R2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988GMC Suburban R2500 GMC Suburban R2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991GMC Suburban R2500 GMC Suburban R2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC Suburban V1500 GMC Suburban V1500 Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987GMC Suburban V1500 GMC Suburban V1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988GMC Suburban V1500 GMC Suburban V1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991GMC Suburban V1500 GMC Suburban V1500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC Suburban V2500 GMC Suburban V2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1988GMC Suburban V2500 GMC Suburban V2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991GMC Suburban V2500 GMC Suburban V2500 Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC V1500 Truck GMC V1500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC V1500 Truck GMC V1500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1987GMC V2500 Truck GMC V2500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC V2500 Truck GMC V2500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1988GMC V2500 Truck GMC V2500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC V3500 Truck GMC V3500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1987GMC V3500 Truck GMC V3500 Truck Exhaust Manifold V8 5.0L 305ci Passenger Side Dorman 674-158
1988GMC V3500 Truck GMC V3500 Truck Exhaust Manifold 350ci Passenger Side V8 5.7L Dorman 674-158
1989-1991GMC V3500 Truck GMC V3500 Truck Exhaust Manifold Passenger Side V8 5.7L Dorman 674-158
Part #: 1AEEM00050

Out of Stock

Dorman
Brand #: 674-158