GMC Sierra 3500 Exhaust Gaskets and Seals
This page brings together exhaust gaskets and seals for the GMC Sierra 3500, covering model years 2001–2013. The range includes exhaust manifold gaskets, pipe flange gaskets, catalytic converter gaskets, seal rings, and more — both universal and OE-replacement styles. Choose your model year above and this page keeps only the exhaust gaskets and seals that fit your GMC Sierra 3500. Each listing is matched to our vehicle fitment data before it appears here.
Diamond Eye Manufacturing 4001 High Temperature Exhaust Gasket 4-Bolt Adapter
MAHLE F32696 Catalytic Converter Gasket OEM-Grade Exhaust Sealing
Cometic C15193HTS LS1/LS6/LQ4 Gen III Small Block Exhaust Manifold Gasket Set
Representative Photo, actual item may vary
Representative Photo, actual item may vary
What's here for your GMC Sierra 3500
- Exhaust pipe flange gaskets
- Exhaust manifold gaskets
- Exhaust manifold gasket sets
- Catalytic converter gaskets
- Exhaust seal rings
- Exhaust muffler gaskets
The widest selection here comes from Victor, MAHLE, AP Exhaust, and Cometic, covering OE-replacement and universal-fit options across the exhaust system. Other categories GMC Sierra 3500 owners shop for: GMC Sierra 3500 Shocks and Struts, GMC Sierra 3500 Exterior Lights and GMC Sierra 3500 Seats and Seat Parts, or browse all GMC Sierra 3500 parts and accessories.