Dorman Exhaust Manifolds

SKU: 1J3PN | MPN:  674-860
Only 13 units left
Sale price$257.65 USD

Cast Iron Exhaust Manifold. Includes Gaskets and Hardware to Downpipe

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

    • Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
    • Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
    • Complete repair - includes all necessary gaskets and downpipe hardware
    • Trustworthy design - built by industry leader in aftermarket manifolds


Product Specifications

Color/Finish: Natural
Exhaust Manifold Inlet Port Shape: Rectangle
Flange Bolt Hole Quantity: 0
Flange Stud Hole Quantity: 3
Gasket or Seal Included: Yes
Grade Type: Regular
Heat Shield Included: No
Installation Hardware Included: Yes
Manifold Bolt Hole Quantity: 6
Material: Cast Iron
Package Contents: Exhaust Manifold, 1 Manifold Gasket, 1 Flange Gasket, 3 Studs, 3 Nuts
Package Quantity: 1
Packaging Type: Box


Application Summary: Chevrolet 2003-96, GMC 2003-96, Isuzu 2003-96, Workhorse 2005-00, Workhorse Custom Chassis 2004-00



Vehicle Fitments:

Year Make Model Submodel
1996 - 1999 Chevrolet P30 Base
1996 - 2003 Chevrolet W3500 Tiltmaster W3S042
1996 - 2003 Chevrolet W4500 Tiltmaster W4S042
1996 - 1999 GMC P3500 Base
1996 - 2003 GMC W3500 Forward W3S042
1998 - 2003 GMC W4500 Forward W4S042
1996 - 2003 Isuzu NPR Base
1999 - 2003 Isuzu NPR-HD Base
2002 - 2004 Workhorse FasTrack FT1061 Base
2000 - 2001 Workhorse FasTrack FT1260 Base
2002 - 2005 Workhorse FasTrack FT1261 Base
2000 - 2002 Workhorse FasTrack FT1460 Base
2002 - 2005 Workhorse FasTrack FT1461 Base
2000 - 2001 Workhorse FasTrack FT1600 Base
2002 - 2005 Workhorse FasTrack FT1601 Base
2000 - 2001 Workhorse FasTrack FT1800 Base
2002 - 2004 Workhorse FasTrack FT1801 Base
2002 - 2003 Workhorse FasTrack FT1802 Base
2000 - 2005 Workhorse P30 Base
2001 - 2002 Workhorse P32 Base
2000 - 2004 Workhorse Custom Chassis P42 Base

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