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Vehicle Info NeededDORMAN PRODUCTSPART NUMBER: 326-674-731
Exhaust Manifold Kit 2001-2016 Chevrolet/GMC, 2005-2011 Workhorse - 6.6L V8 Diesel
$10011
1 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeGM
Exhaust Manifold Kit 2001-2016 Chevrolet/GMC 2005-2011 Workhorse 6.6L V8 Diesel Left/Driver Side Cast Iron (3) Flange Stud Holes (8) Manifold Bolt Holes Includes Gaskets & Installation Hardware
Direct OE Cross References:
- GM - 12624684
- GM - 12637647
- GM - 97224587
Part TypeHeader
BrandDORMAN PRODUCTS
Package Height6.3
Package Width9.2
Package Length19.8
Weight11.56 PG
Part CategoryReplacement Parts
Gasket Or Seal IncludedYes
Port ShapeSquare
ColorMetallic Gray
Mounting Hardware IncludedYes
MaterialCast Iron
Part FitmentDirect Fit
Heat Shield IncludedNo
Grade TypeStandard Replacement
Vendor Part Number674-731
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
