Apex AVC303S Engine Valve Cover Gasket Set

Brand Apex AVC303S
Fits Buick, Chevrolet, GMC, and Isuzu · 41 vehicles

Engine sealing set. For valve cover service on classic import and domestic applications.

Application-specific fitment. Listed with grommets and semi-circular plugs where required.

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Engine Valve Cover Gasket Set

The Apex AVC303S is an engine valve cover gasket set for older Isuzu, Chevrolet, GMC, and Buick applications. It is listed for multiple engine sealing applications with grommets and semi-circular plugs noted in the fitment data.

Key Features

  • Engine valve cover gasket set for sealing the valve cover area
  • Fitment listed for multiple classic import and domestic applications
  • Application notes include grommets and semi-circular plugs where specified
  • Compatible with select Isuzu, Chevrolet, GMC, and Buick models
  • Part number AVC303S for catalog lookup and ordering

Detailed Description

Apex AVC303S is a replacement engine valve cover gasket set for a broad range of older vehicles, including the Isuzu Impulse, Isuzu Pickup, Isuzu I-Mark, Isuzu Trooper, Chevrolet S10, Chevrolet S10 Blazer, GMC S15, GMC S15 Jimmy, Chevrolet LUV, and Buick Opel. The fitment data identifies applications that use grommets and semi-circular plugs, so matching the engine sealing layout is important when selecting this part. Use AVC303S when servicing valve cover sealing on the listed applications, and verify the engine configuration against the notes before installation. AVC303S is also a useful catalog reference when searching for an Apex valve cover gasket set for classic Isuzu and Chevrolet truck applications.

What It Is Used For

  • Replacing a leaking valve cover gasket
  • Addressing oil seepage around the valve cover perimeter
  • Restoring sealing at grommet and plug locations noted in the application
  • Servicing engine top-end sealing during maintenance or repair

Installation Notes and Tips

Confirm the engine sealing layout before installation, especially the presence of grommets and semi-circular plugs. Clean the sealing surfaces thoroughly and inspect the valve cover for warpage or damage before fitting the new gasket set. Match the application notes to the vehicle and engine configuration listed for AVC303S to ensure proper sealing.

This part fits 41 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
1987IsuzuImpulse1.9LL4w/Grommets & Semi-Circular Plug
1987IsuzuPickup1.9LL4w/Grommets & Semi-Circular Plugs
1986IsuzuImpulse1.9LL4w/Grommets & Semi-Circular Plug
1986IsuzuPickup1.9LL4w/Grommets & Semi-Circular Plugs
1985ChevroletS101.9LL4w/Grommets & Semi-Circular Plugs
1985GMCS151.9LL4w/Semi-Circular Plugs & Grommets
1985IsuzuI-Mark1.8LL4w/Grommets & Semi-Circular Plug
1985IsuzuImpulse1.9LL4w/Grommets & Semi-Circular Plug
1985IsuzuPickup1.9LL4w/Grommets & Semi-Circular Plugs
1985IsuzuTrooper1.9LL4w/Grommets & Semi-Circular Plugs
1984ChevroletS101.9LL4w/Grommets & Semi-Circular Plugs
1984ChevroletS10 Blazer1.9LL4w/Grommets & Semi-Circular Plugs
1984GMCS151.9LL4w/Semi-Circular Plugs & Grommets
1984GMCS15 Jimmy1.9LL4w/Semi-Circular Plugs & Grommets
1984IsuzuI-Mark1.8LL4GASw/Grommets & Semi-Circular Plug
1984IsuzuImpulse1.9LL4w/Grommets & Semi-Circular Plug
1984IsuzuPickup1.9LL4w/Grommets & Semi-Circular Plugs
1984IsuzuTrooper1.9LL4w/Grommets & Semi-Circular Plugs
1983ChevroletS101.9LL4w/Grommets & Semi-Circular Plugs
1983ChevroletS10 Blazer1.9LL4w/Grommets & Semi-Circular Plugs
1983GMCS151.9LL4w/Semi-Circular Plugs & Grommets
1983GMCS15 Jimmy1.9LL4w/Semi-Circular Plugs & Grommets
1983IsuzuI-Mark1.8LL4GASw/Grommets & Semi-Circular Plug
1983IsuzuImpulse1.9LL4w/Grommets & Semi-Circular Plug
1983IsuzuPickup1.9LL4w/Grommets & Semi-Circular Plugs
1982ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs
1982ChevroletS101.9LL4w/Grommets & Semi-Circular Plugs
1982GMCS151.9LL4w/Semi-Circular Plugs & Grommets
1982IsuzuI-Mark1.8LL4GASw/Grommets & Semi-Circular Plug
1982IsuzuPickup1.8LL4w/Grommets & Semi-Circular Plugs
1981ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs
1981IsuzuI-Mark1.8LL4GASw/Grommets & Semi-Circular Plug
1981IsuzuPickup1.8LL4w/Grommets & Semi-Circular Plugs
1980ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs
1979ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs
1978BuickOpel1.8LL4w/Grommets & Semi-Circular Plugs
1978ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs
1977BuickOpel1.8LL4w/Grommets & Semi-Circular Plugs
1977ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs
1976BuickOpel1.8LL4w/Grommets & Semi-Circular Plugs
1976ChevroletLUV1.8LL4w/Grommets & Semi-Circular Plugs