View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1990 GMC K3500 with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories.
 SHIPS FROM MANUFACTURER C5346-094Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in Fiber Water Outlet Gasket 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1995 GMC K3500 Sierra SLE $34.08 |
 SHIPS FROM MANUFACTURER C5642-031Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chrysler/Ford/GM .031in Fiber Fuel Pump Gasket 1988-1997 GMC K3500 Sierra SLE $33.96 |
 IN STOCK - DROPSHIPS 3678MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Am General Hummer 93-92 Cylinder Head Gasket 1988-1993 GMC K3500 Sierra / Sierra SLE / Sierra SLX $77.81 |
 IN STOCK - DROPSHIPS HS1178VNMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Blazer 94-87 Head Set 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1995 GMC K3500 Sierra SLE $104.38 |
 IN STOCK - DROPSHIPS HS3678MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Am General Hummer 93-92 Head Set 1988-1993 GMC K3500 Sierra / Sierra SLE / Sierra SLX $232.39 |
 IN STOCK - DROPSHIPS HS3902VCMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet C10 80 Head Set 1988-1990 GMC K3500 Sierra / Sierra SLE / Sierra SLX $132.74 |
 IN STOCK - DROPSHIPS HS5746AMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Blazer 94-87 Head Set 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1995 GMC K3500 Sierra SLE $119.79 |