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GMC K15 Exhaust Gaskets and Seals
This page brings together exhaust gaskets and seals for the GMC K15 spanning the 1975–1978 model years, covering manifold gaskets, header gaskets, and flange seals in a single focused range. Pick your GMC K15's year above to narrow the list to exhaust gaskets and seals with confirmed fitment. Every part shown is checked against our vehicle data.
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Cometic C5420 Chevrolet Small Block Exhaust Header Gasket - Gen-1 V8
Part: C5420
Vehicle Specific
$11.60
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Hedman Hedders 27530 Exhaust Header Gasket Set Chevy Big Block 396-454
Part: 27530
Vehicle Specific
$15.54
2 left at this price
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Hedman Hedders 27550 Exhaust Header Gasket for Chevy Big Block 396-454
Part: 27550
Vehicle Specific
$17.14
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Edelbrock 7205 Exhaust Manifold Gasket Set Big Block Chevy 396-454
Part: 7205
Vehicle Specific
$35.95
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Cometic C5539-064 Exhaust Manifold Gasket Set for Chevy Small Block V8
Part: C5539-064
Vehicle Specific
$24.76
Ships from manufacturer
Cometic C5896C Exhaust Manifold Gasket Set for Chevy Mark IV Big Block V8
Part: C5896C
Vehicle Specific
$39.63
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Cometic C5897C Chevrolet Big Block Exhaust Manifold Gasket Set - V8
Part: C5897C
Vehicle Specific
$39.63
Ships from manufacturer
Cometic C5896HTG Chevrolet Big Block Exhaust Manifold Gasket Set - V8
Part: C5896HTG
Vehicle Specific
$26.42
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Cometic C5350-042 Chevrolet Big Block Exhaust Manifold Gasket Set - V8
Part: C5350-042
Vehicle Specific
$40.62
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Cometic C5897-092 Chevrolet Big Block Exhaust Manifold Gasket Set - V8
Part: C5897-092
Vehicle Specific
$88.91
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Cometic C5897-060 Chevrolet Big Block Exhaust Manifold Gasket Set - V8
Part: C5897-060
Vehicle Specific
$87.43
Ships from manufacturer
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What's here for your GMC K15
- Exhaust manifold gaskets — individual gaskets designed to seal between the manifold and cylinder head
- Exhaust manifold gasket sets — complete sets covering multiple sealing points in one kit
- Exhaust header gaskets — gaskets suited to aftermarket and performance header applications
- Exhaust pipe flange gaskets — seals for the connection points along the exhaust pipe routing
The widest selection here comes from Cometic, Victor, MAHLE, and Mr. Gasket, each offering a variety of materials and configurations across this range of GMC K15 exhaust sealing parts. Other categories GMC K15 owners shop for: GMC K15 Steering Wheels, GMC K15 Exhaust and Tail Pipes and GMC K15 Doors and Door Parts, or browse all GMC K15 parts and accessories.