HomeEngine > Hardware, Fasteners and FittingsPioneer Cables S-138 Engine Cylinder Head Bolt Set
Part #: S-138

Pioneer Cables S-138 Engine Cylinder Head Bolt Set

11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Oldsmobile, Achieva, Cutlass Calais, Cutlass Supreme, and Calais
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Reliable Engine Cylinder Head Bolt Set for Oldsmobile Models

The Pioneer Cables S-138 engine cylinder head bolt set is designed specifically for select Oldsmobile vehicles, including the Achieva, Calais, Cutlass Calais, and Cutlass Supreme. This bolt set ensures proper fastening and durability for your engine’s cylinder head assembly.

  • Compatible with Oldsmobile Achieva, Calais, Cutlass Calais, and Cutlass Supreme
  • Includes all necessary cylinder head bolts for complete replacement
  • Manufactured by Pioneer Cables for consistent quality
  • Part number S-138 for precise identification and fitment
  • Engine hardware designed to meet OEM specifications

Product Details and Specifications

The Pioneer Cables S-138 engine cylinder head bolt set is engineered to provide secure fastening for the cylinder head on select Oldsmobile engines. Proper torque and bolt integrity are critical to maintaining engine compression and preventing leaks. This set includes bolts manufactured to meet or exceed original equipment standards, ensuring reliable performance and longevity. The S-138 part number corresponds to a complete set tailored for Oldsmobile Achieva, Calais, Cutlass Calais, and Cutlass Supreme models, making it easier to source the correct hardware for your engine rebuild or repair.

Common Applications and Issues Addressed

  • Replacement of worn or damaged cylinder head bolts during engine rebuilds
  • Resolving cylinder head gasket leaks caused by loose or stretched bolts
  • Preventing engine compression loss due to improper bolt torque
  • Addressing bolt corrosion or breakage in older Oldsmobile engines
  • Ensuring proper sealing and alignment of the cylinder head assembly

Installation Notes and Tips

  • Follow manufacturer torque specifications and tightening sequence for Oldsmobile engines
  • Use a calibrated torque wrench to avoid over-tightening or under-tightening bolts
  • Inspect cylinder head and gasket surfaces before installation for damage or warping
  • Replace all bolts in the set to maintain uniform clamping force
  • Consult vehicle service manual for detailed installation procedures specific to your Oldsmobile model

Quality Assurance and Warranty Information

Pioneer Cables manufactures the S-138 cylinder head bolt set to meet industry standards for engine hardware. While specific warranty details are not provided, Pioneer Cables products typically undergo quality control to ensure fitment accuracy and material durability. Using the correct part number S-138 guarantees compatibility with Oldsmobile Achieva, Calais, Cutlass Calais, and Cutlass Supreme models, supporting reliable engine performance.

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995OldsmobileAchieva2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1994OldsmobileAchieva2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1993OldsmobileAchieva2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1992OldsmobileAchieva2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1991OldsmobileCutlass Calais2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1991OldsmobileCutlass Supreme2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1990OldsmobileCutlass Calais2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1990OldsmobileCutlass Supreme2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1989OldsmobileCutlass Calais2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1988OldsmobileCutlass Calais2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)
1987OldsmobileCalais2.3LL4N/AKit - Contains (2 PG-414, 8 PG-415)

* 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:

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