DORMAN part description

Product Description

Exhaust Manifold Kit - Includes Required Gaskets And Hardware

Application Summary

Chevrolet 2007-03, GMC 2007-03, Isuzu 2007-03, Workhorse 2007-04, Workhorse Custom Chassis 2007-04

Features & Benefits

  • 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

Exhaust, Manifold, Manifolds

Product Attributes

Material Cast Iron
Color Natural
Port Shape Round
Mounting Hardware Included Yes
Grade Type Regular
Gasket Or Seal Included Yes
Heat Shield Included Yes
Package Contents Exhaust Manifold; 1 Manifold Gasket; 3 Studs; 3 Nuts

Additional Information

Country of Origin (Primary) CN
Harmonized Tariff Code (Schedule B) 8409914000
UPC 00885484616615
VMRS Code 043002001
UNSPSC 25173703

Part Interchanges

DORMAN 674-5603 Cross Reference

We have 7 alternatives for the 674-5603 by DORMAN:

Fits Vehicles

  • Workhorse W62 (2007)
  • Workhorse Custom Chassis W42 (2006-2007)
  • Workhorse Custom Chassis P42 (2004-2005)
  • Isuzu NPR-HD (2003-2007)
  • Isuzu NPR (2003-2007)
  • Workhorse W42 (2006-2007)
  • Workhorse W16 (2006-2007)
  • Workhorse FasTrack FT1461 (2004-2005)
  • Workhorse FasTrack FT1801 (2004-2005)
  • Workhorse W18 (2006-2007)
  • Chevrolet W4500 Tiltmaster (2003-2007)
  • GMC W4500 Forward (2003-2007)
  • Chevrolet W3500 Tiltmaster (2003-2007)
  • GMC W3500 Forward (2004-2007)

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