HomeEngine > Gaskets and Sealing SystemsApex AVC329S Engine Valve Cover Gasket Set
Part #: AVC329S

Apex AVC329S Engine Valve Cover Gasket Set

27 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab, 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
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Reliable Engine Valve Cover Gasket Set for Select GM and Isuzu Models

The Apex AVC329S engine valve cover gasket set is designed to provide a precise seal for valve covers on various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. This gasket set helps maintain engine integrity by preventing oil leaks and ensuring optimal engine performance.

  • Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
  • Fits models including 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
  • Durable construction designed to withstand engine heat and pressure
  • Engineered to provide a secure seal for valve covers
  • Part number AVC329S for accurate identification and fitment

Detailed Description of the Apex AVC329S Valve Cover Gasket Set

This engine valve cover gasket set from Apex is engineered to meet the sealing requirements of multiple GM and Isuzu vehicles. The AVC329S gasket set ensures a tight seal between the valve cover and cylinder head, preventing oil leaks that can lead to engine damage or reduced performance. Compatible with models such as the Chevrolet Trailblazer and GMC Envoy, this gasket set is manufactured to maintain durability under high temperatures and engine vibrations. Using the correct gasket set like the AVC329S helps maintain engine cleanliness and efficiency by keeping oil contained within the valve cover area.

Common Applications and Issues Addressed

  • Prevents oil leaks from valve cover areas on Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab engines
  • Eliminates engine oil seepage that can cause dirt accumulation and engine bay contamination
  • Helps avoid engine misfires caused by oil leaking onto ignition components
  • Maintains proper engine pressure and prevents vacuum leaks
  • Reduces risk of engine overheating due to oil loss

Installation Notes and Tips

  • Ensure the valve cover and cylinder head surfaces are clean and free of old gasket material before installation
  • Use the Apex AVC329S gasket set specifically for compatible Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models to ensure proper fit
  • Torque valve cover bolts to manufacturer specifications to avoid gasket damage
  • Inspect valve cover for warping or damage before installing the new gasket

Quality Assurance and Warranty Information

The Apex AVC329S engine valve cover gasket set is manufactured to meet industry standards for durability and fitment. While specific warranty details are not provided, Apex products typically undergo quality control processes to ensure reliable performance. Using the correct part number AVC329S helps guarantee compatibility and reduces the risk of premature gasket failure.

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickRainier4.2LL6N/Aw/Spark Plug Tube Seals
2005ChevroletTrailblazer4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2005ChevroletTrailblazer EXT4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2005GMCEnvoy4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2005GMCEnvoy XL4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2005GMCEnvoy XUV4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2005IsuzuAscender4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2005Saab9-7x4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004BuickRainier4.2LL6N/Aw/Spark Plug Tube Seals
2004ChevroletTrailblazer4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004ChevroletTrailblazer EXT4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004GMCEnvoy4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004GMCEnvoy XL4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004GMCEnvoy XUV4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004IsuzuAscender4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2004OldsmobileBravada4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2003ChevroletTrailblazer4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2003ChevroletTrailblazer EXT4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2003GMCEnvoy4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2003GMCEnvoy XL4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2003IsuzuAscender4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2003OldsmobileBravada4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2002ChevroletTrailblazer4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2002ChevroletTrailblazer EXT4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2002GMCEnvoy4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2002GMCEnvoy XL4.2LL6N/Aw/Grommets & Spark Plug Tube Seals
2002OldsmobileBravada4.2LL6N/Aw/Grommets & Spark Plug Tube Seals

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.