HomeEngine > Gaskets and Sealing SystemsMahle HS4956 Engine Cylinder Head Gasket Set
Part #: HS4956

Mahle HS4956 Engine Cylinder Head Gasket Set

12 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Oldsmobile, and Pontiac, Venture, Alero, Silhouette, Grand Am, Montana, Trans Sport, and Lumina APV
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Reliable Engine Cylinder Head Gasket Set for Chevrolet, Oldsmobile, Pontiac

The Mahle HS4956 Engine Cylinder Head Gasket Set is designed to provide a precise seal for your engine's critical components. Compatible with Chevrolet Alero, Oldsmobile Silhouette, and Pontiac Grand Am models, this gasket set ensures proper sealing and durability under demanding conditions.

  • Includes miscellaneous gaskets and seals for comprehensive engine sealing
  • Cylinder head gasket made from durable graphite material
  • Exhaust manifold gasket constructed with multi-layered steel for heat resistance
  • Intake manifold gasket crafted from molded rubber for a secure fit
  • OEM standard item grade for reliable performance
  • Torque to yield specification for proper bolt tensioning
  • Cylinder head bolts not included

Durable Materials and Precise Engineering

The Mahle HS4956 gasket set features a graphite cylinder head gasket that offers excellent heat resistance and sealing capabilities, essential for maintaining engine compression and preventing leaks. The exhaust manifold gasket uses multi-layered steel to withstand high temperatures and pressure, while the molded rubber intake manifold gasket ensures a tight seal to prevent air and coolant leaks. This set meets OEM standards, providing a dependable replacement for Chevrolet Alero, Oldsmobile Silhouette, Pontiac Grand Am, and other compatible models.

Compatible Vehicles and Applications

This engine cylinder head gasket set is compatible with a range of GM vehicles, including Chevrolet Alero, Oldsmobile Silhouette, Pontiac Grand Am, Lumina APV, Montana, and Trans Sport. The part number HS4956 is specifically designed to match the sealing requirements of these models, ensuring proper fit and function.

  • Prevents engine compression loss and coolant leaks
  • Addresses exhaust manifold gasket failures and leaks
  • Resolves intake manifold sealing issues
  • Helps avoid overheating caused by gasket failure
  • Eliminates oil leaks around the cylinder head area

Installation Notes and Tips

When installing the Mahle HS4956 gasket set, ensure all mating surfaces are clean and free of debris. Follow the torque to yield specifications carefully to avoid warping or damaging the cylinder head. Note that cylinder head bolts are not included and should be inspected or replaced as needed. Proper installation will help maintain engine integrity and performance.

Quality Assurance and Warranty

Mahle manufactures this gasket set to meet OEM standards, ensuring consistent quality and durability. The HS4956 part number undergoes rigorous testing to comply with industry specifications. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects, providing confidence in your purchase.

BrandMahle
Part NumberHS4956
Additional Package ContentsContains Miscellaneous Gaskets And Seals
Cylinder Head Bolts IncludedNo
Cylinder Head Gasket MaterialGraphite
Exhaust Manifold Gasket MaterialMulti-Layered Steel
Intake Manifold Gasket MaterialMolded Rubber
Item GradeOEM Standard
Torque To YieldYes

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999OldsmobileAlero3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1999OldsmobileSilhouette3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1999PontiacGrand Am3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1999PontiacMontana3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1999PontiacTrans Sport3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1998OldsmobileSilhouette3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1998PontiacTrans Sport3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1997OldsmobileSilhouette3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1997PontiacTrans Sport3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1996ChevroletLumina APV3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1996OldsmobileSilhouette3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended
1996PontiacTrans Sport3.4LV6N/AContains Premium Grade Intake Manifold Gaskets; Manifold Bolts Sold Separately; Cylinder Head Bolts Not Included; Exhaust Pipe Gasket not Included; Cylinder Head Bolt Replacement Recommended

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

This part directly replaces or is cross-referenced with the following part numbers:

HS 9071 PTHS T9071 PT

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.