HomeEngine > Gaskets and Sealing SystemsApex AHS3057 Engine Cylinder Head Gasket Set
Part #: AHS3057

Apex AHS3057 Engine Cylinder Head Gasket Set

21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Oldsmobile, and Pontiac, 98, Bonneville, Delta 88, LeSabre, Reatta, Riviera, and Toronado
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Reliable Engine Cylinder Head Gasket Set for Buick, Oldsmobile, and Pontiac

The Apex AHS3057 engine cylinder head gasket set is designed for precise fitment with select Buick, Oldsmobile, and Pontiac models. This gasket set ensures proper sealing and engine performance for vehicles such as the Buick LeSabre and Oldsmobile Delta 88.

  • Compatible with Buick 98, LeSabre, and Riviera models
  • Fits Oldsmobile Delta 88 and Reatta engines
  • Suitable for Pontiac Bonneville and Toronado vehicles
  • Engine cylinder head gasket set designed for reliable sealing
  • Part number AHS3057 for accurate identification

Product Details and Compatibility

The Apex AHS3057 engine cylinder head gasket set is engineered to meet the sealing requirements of various GM vehicles, including Buick, Oldsmobile, and Pontiac models. This gasket set is essential for maintaining proper compression and preventing leaks between the engine block and cylinder head. Compatible with Buick 98, LeSabre, and Riviera, Oldsmobile Delta 88 and Reatta, as well as Pontiac Bonneville and Toronado, this gasket set supports engine integrity and performance. The part number AHS3057 ensures you receive the correct gasket set for these specific applications.

Common Applications and Problem Resolution

  • Prevents coolant and oil leaks between the cylinder head and engine block
  • Restores engine compression for improved performance
  • Addresses head gasket failure symptoms such as overheating and loss of power
  • Helps eliminate engine misfires caused by sealing issues
  • Supports engine rebuilds and maintenance on compatible Buick, Oldsmobile, and Pontiac models

Installation Notes and Tips

When installing the Apex AHS3057 gasket set, ensure the cylinder head and engine block surfaces are clean and free of debris. Follow manufacturer torque specifications for head bolts to avoid warping or gasket damage. It is recommended to inspect the cylinder head for cracks or warping before installation. Proper installation will help maintain engine sealing and prevent premature gasket failure.

Quality Assurance and Warranty

Apex manufactures the AHS3057 gasket set to meet industry standards for durability and sealing performance. While specific warranty details are not provided, Apex products typically undergo quality control to ensure fitment accuracy and material integrity. Using the correct part number AHS3057 guarantees compatibility with the intended Buick, Oldsmobile, and Pontiac models.

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990BuickLeSabre3.8LV6N/A
1990BuickReatta3.8LV6N/A
1990BuickRiviera3.8LV6N/A
1990Oldsmobile983.8LV6N/A
1990OldsmobileDelta 883.8LV6N/A
1990OldsmobileToronado3.8LV6N/A
1990PontiacBonneville3.8LV6N/A
1989BuickLeSabre3.8LV6N/A
1989BuickReatta3.8LV6N/A
1989BuickRiviera3.8LV6N/A
1989Oldsmobile983.8LV6N/A
1989OldsmobileDelta 883.8LV6N/A
1989OldsmobileToronado3.8LV6N/A
1989PontiacBonneville3.8LV6N/A
1988BuickLeSabre3.8LV6N/A
1988BuickReatta3.8LV6N/A
1988BuickRiviera3.8LV6N/A
1988Oldsmobile983.8LV6N/A
1988OldsmobileDelta 883.8LV6N/A
1988OldsmobileToronado3.8LV6N/A
1988PontiacBonneville3.8LV6N/A

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