Exhaust Manifold Kit
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Exhaust Manifold Kit Exhaust Manifold Kit
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Dorman - OE Solutions Exhaust Manifold Kit

Part No. 674-390 Warranty Details  
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More like a complete kit than a single part, many of our Exhaust Manifolds include gaskets and hardware for a complete installation. This part is a direct replacement.

Product Features:
  • Heat-shield may be included for protection of engine components where applicable
  • Cast iron or stainless tubular construction protects against warping or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure product standards
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Grade:Standard Replacement
Hardware Included:Yes
Inlet Port Shape:Round
Material:Cast Iron
Mounting Hole Quantity:3
Gasket Or Seal Included:Yes


by PowerReviews
Dorman - OE SolutionsExhaust Manifold Kit

(based on 1 review)

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Reviewed by 1 customer

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Great manifold


from York PA

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      Comments about Dorman - OE Solutions Exhaust Manifold Kit:

      Manifold fit fine, studs were incorrect, had to purchase new ones. Not too expensive though.

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      1 Question | 1 Answer
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      • Q:

        Is at a 3 in and can l get it
        Asked on 3/27/2015 by coco from oley pa

        1 answer



          I'm happy to help, Coco! This Dorman - OE Solutions Exhaust Manifold Kit (Part No. 674-390) is the right hand exhaust manifold for 1996-2000 Chevrolet and GMC 3/4 and 1 ton trucks and vans with the 7.4L 454 CID big block engine. It has 3 bolt holes to connect to the rest of the exhaust. The kit includes 1 exhaust manifold, 1 manifold gasket, 3 studs and 3 nuts. The product is available in our warehouses may also be available locally. Please contact your local Advance Auto Parts store for availability.

          Answered on 3/28/2015 by Heath, ASE Parts Specialist from AAP
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