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GMC K3500 Exhaust Manifolds
This page brings together exhaust manifolds for the GMC K3500 spanning model years 1979–2000, including exhaust headers, direct-fit manifolds, and manifolds with integrated catalytic converters. Pick your GMC K3500's year above to narrow the list to exhaust manifolds with confirmed fitment. Every part shown is checked against our vehicle data.
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Hedman Hedders 69390 Hedman 69390 Standard-Duty Uncoated Hedders - Set Of 2
Part: 69390
Vehicle Specific
$365.07
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Hedman Hedders 69110 Specialty Engine Swap Header with Ceramic Coating
Part: 69110
Vehicle Specific
$363.77
In Stock (5)
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Hedman Hedders 69650 Shorty Headers 1.5" Primary Tubes Uncoated Steel
Part: 69650
Vehicle Specific
$419.01
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Hedman Hedders 66091 HTC Coated Long Tube Headers Small Block Chevy
Part: 66091
Vehicle Specific
$594.97
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In Stock (7)
What's here for your GMC K3500
- Exhaust headers — including shorty, long-tube, and ceramic-coated styles
- Exhaust manifolds — direct-fit replacements in cast and fabricated forms
- Exhaust manifolds with integrated catalytic converters — combined units for simplified installation
- Related hardware — gaskets and installation kits sized to match specific applications
The widest selection here comes from Dorman, JBA Headers, Hedman Hedders, and ATP, covering a broad range of configurations across the GMC K3500's production run. Other categories GMC K3500 owners shop for: GMC K3500 Exhaust and Tail Pipes, GMC K3500 Brake Hardware and GMC K3500 Valve Train Parts, or browse all GMC K3500 parts and accessories.