HomeEngine > Cylinder Block ComponentsPioneer Cables PE-115-B Engine Expansion Plug Kit
Part #: PE-115-B

Pioneer Cables PE-115-B Engine Expansion Plug Kit

⚙️ 192 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$50.79Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac and Oldsmobile, Firebird, Bonneville, Catalina, Grand Safari, Grand LeMans, Grand Prix, Laurentian, LeMans, Parisienne, 98, Custom Cruiser, Delta 88, Grand Am, Grandville, GTO, Executive, Tempest, Star Chief, and Ventura
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Expansion Plug Kit for Classic GM Vehicles

The Pioneer Cables PE-115-B Engine Expansion Plug Kit is designed for precise fitment in select Oldsmobile and Pontiac models. This kit provides essential sealing components to maintain engine block integrity and prevent coolant or oil leaks.

  • Compatible with Oldsmobile and Pontiac engines including 98, Bonneville, Catalina, Custom Cruiser, Delta 88, Firebird, Grand Am, Grand LeMans, Grand Prix, GTO, Laurentian, LeMans, Parisienne, and Tempest
  • Includes high-quality engine expansion plugs engineered for cylinder block sealing
  • Durable materials designed to withstand engine heat and pressure
  • Part number PE-115-B ensures exact replacement for specified GM models

Product Details and Compatibility

The PE-115-B Engine Expansion Plug Kit from Pioneer Cables is specifically manufactured to meet the requirements of older GM vehicles, particularly those from Oldsmobile and Pontiac. This kit addresses the need for reliable sealing of cylinder block openings, which is critical for maintaining proper engine function. The plugs are engineered to fit models such as the Pontiac Firebird, Grand Prix, and GTO, as well as Oldsmobile’s 98, Delta 88, and Custom Cruiser, among others. Using the correct expansion plugs helps prevent coolant leaks and maintains engine block pressure, contributing to overall engine longevity.

Common Applications and Problem Resolution

  • Sealing cylinder block freeze plugs to prevent coolant leaks
  • Replacing corroded or damaged expansion plugs in Pontiac Grand Am and Oldsmobile LeMans engines
  • Restoring engine block integrity in Pontiac Bonneville and Oldsmobile Delta 88 vehicles
  • Preventing engine overheating caused by coolant loss
  • Maintaining proper engine pressure and preventing oil contamination

Installation Notes and Tips

  • Ensure the engine block surface is clean and free of debris before installation
  • Use appropriate tools to press plugs evenly into the cylinder block openings
  • Verify plug orientation and seating depth to avoid leaks
  • Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty Information

Pioneer Cables manufactures the PE-115-B Engine Expansion Plug Kit to meet industry standards for durability and fitment. While specific warranty details are not provided, Pioneer Cables products typically undergo quality control to ensure reliable performance in compatible Oldsmobile and Pontiac models. Using the correct part number PE-115-B helps ensure compatibility and reduces the risk of premature failure.

This part fits 192 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1979PontiacFirebird6.6LV8N/ABrass - Carded
1978PontiacBonneville6.6LV8N/ABrass - Carded
1978PontiacCatalina6.6LV8N/ABrass - Carded
1978PontiacFirebird6.6LV8N/ABrass - Carded
1977PontiacBonneville6.6LV8N/ABrass - Carded
1977PontiacBonneville5.7LV8N/ABrass - Carded
1977PontiacCatalina6.6LV8N/ABrass - Carded
1977PontiacCatalina5.7LV8N/ABrass - Carded
1977PontiacFirebird6.6LV8N/ABrass - Carded
1977PontiacFirebird5.7LV8N/ABrass - Carded
1977PontiacGrand LeMans6.6LV8N/ABrass - Carded
1977PontiacGrand LeMans5.7LV8N/ABrass - Carded
1977PontiacGrand Prix6.6LV8N/ABrass - Carded
1977PontiacGrand Prix5.7LV8N/ABrass - Carded
1977PontiacLaurentian5.7LV8N/ABrass - Carded
1977PontiacLeMans6.6LV8N/ABrass - Carded
1977PontiacLeMans5.7LV8N/ABrass - Carded
1977PontiacParisienne5.7LV8N/ABrass - Carded
1976PontiacBonneville7.5LV8N/ABrass - Carded
1976PontiacBonneville6.6LV8N/ABrass - Carded
1976PontiacCatalina7.5LV8N/ABrass - Carded
1976PontiacCatalina6.6LV8N/ABrass - Carded
1976PontiacFirebird7.5LV8N/ABrass - Carded
1976PontiacFirebird6.6LV8N/ABrass - Carded
1976PontiacFirebird5.7LV8N/ABrass - Carded
1976PontiacGrand LeMans7.5LV8N/ABrass - Carded
1976PontiacGrand LeMans6.6LV8N/ABrass - Carded
1976PontiacGrand LeMans5.7LV8N/ABrass - Carded
1976PontiacGrand Prix7.5LV8N/ABrass - Carded
1976PontiacGrand Prix6.6LV8N/ABrass - Carded
1976PontiacGrand Prix5.7LV8N/ABrass - Carded
1976PontiacLaurentian7.5LV8N/ABrass - Carded
1976PontiacLaurentian6.6LV8N/ABrass - Carded
1976PontiacLeMans7.5LV8N/ABrass - Carded
1976PontiacLeMans6.6LV8N/ABrass - Carded
1976PontiacLeMans5.7LV8N/ABrass - Carded
1976PontiacParisienne7.5LV8N/ABrass - Carded
1976PontiacParisienne6.6LV8N/ABrass - Carded
1975Oldsmobile986.6LV8N/ABrass - Carded
1975OldsmobileCustom Cruiser6.6LV8N/ABrass - Carded
1975OldsmobileDelta 886.6LV8N/ABrass - Carded
1975PontiacBonneville7.5LV8N/ABrass - Carded
1975PontiacBonneville6.6LV8N/ABrass - Carded
1975PontiacCatalina7.5LV8N/ABrass - Carded
1975PontiacCatalina6.6LV8N/ABrass - Carded
1975PontiacFirebird7.5LV8N/ABrass - Carded
1975PontiacFirebird6.6LV8N/ABrass - Carded
1975PontiacGrand Am7.5LV8N/ABrass - Carded
1975PontiacGrand Am6.6LV8N/ABrass - Carded
1975PontiacGrand LeMans7.5LV8N/ABrass - Carded
1975PontiacGrand LeMans6.6LV8N/ABrass - Carded
1975PontiacGrand Prix7.5LV8N/ABrass - Carded
1975PontiacGrand Prix6.6LV8N/ABrass - Carded
1975PontiacLeMans6.6LV8N/ABrass - Carded
1974PontiacBonneville7.5LV8N/ABrass - Carded
1974PontiacBonneville6.6LV8N/ABrass - Carded
1974PontiacCatalina7.5LV8N/ABrass - Carded
1974PontiacCatalina6.6LV8N/ABrass - Carded
1974PontiacFirebird7.5LV8N/ABrass - Carded
1974PontiacFirebird6.6LV8N/ABrass - Carded
1974PontiacGrand Am7.5LV8N/ABrass - Carded
1974PontiacGrand Am6.6LV8N/ABrass - Carded
1974PontiacGrand Prix7.5LV8N/ABrass - Carded
1974PontiacGrand Prix6.6LV8N/ABrass - Carded
1974PontiacLeMans7.5LV8N/ABrass - Carded
1974PontiacLeMans6.6LV8N/ABrass - Carded
1973PontiacBonneville7.5LV8N/ABrass - Carded
1973PontiacBonneville6.6LV8N/ABrass - Carded
1973PontiacCatalina7.5LV8N/ABrass - Carded
1973PontiacCatalina6.6LV8N/ABrass - Carded
1973PontiacFirebird7.5LV8N/ABrass - Carded
1973PontiacFirebird6.6LV8N/ABrass - Carded
1973PontiacGrand Am7.5LV8N/ABrass - Carded
1973PontiacGrand Am6.6LV8N/ABrass - Carded
1973PontiacGrand Prix7.5LV8N/ABrass - Carded
1973PontiacGrand Prix6.6LV8N/ABrass - Carded
1973PontiacGTO7.5LV8N/ABrass - Carded
1973PontiacGTO6.6LV8N/ABrass - Carded
1973PontiacLeMans7.5LV8N/ABrass - Carded
1973PontiacLeMans6.6LV8N/ABrass - Carded
1972PontiacBonneville7.5LV8N/ABrass - Carded
1972PontiacBonneville6.6LV8N/ABrass - Carded
1972PontiacCatalina7.5LV8N/ABrass - Carded
1972PontiacCatalina6.6LV8N/ABrass - Carded
1972PontiacFirebird7.5LV8N/ABrass - Carded
1972PontiacFirebird6.6LV8N/ABrass - Carded
1972PontiacGrand Prix7.5LV8N/ABrass - Carded
1972PontiacGrand Prix6.6LV8N/ABrass - Carded
1972PontiacGTO7.5LV8N/ABrass - Carded
1972PontiacGTO6.6LV8N/ABrass - Carded
1972PontiacLeMans7.5LV8N/ABrass - Carded
1972PontiacLeMans6.6LV8N/ABrass - Carded
1971PontiacBonneville7.5LV8N/ABrass - Carded
1971PontiacBonneville6.6LV8N/ABrass - Carded
1971PontiacCatalina7.5LV8N/ABrass - Carded
1971PontiacCatalina6.6LV8N/ABrass - Carded
1971PontiacFirebird7.5LV8N/ABrass - Carded
1971PontiacFirebird6.6LV8N/ABrass - Carded
1971PontiacGrand Prix7.5LV8N/ABrass - Carded
1971PontiacGrand Prix6.6LV8N/ABrass - Carded
1971PontiacGTO7.5LV8N/ABrass - Carded
1971PontiacGTO6.6LV8N/ABrass - Carded
1971PontiacLeMans7.5LV8N/ABrass - Carded
1971PontiacLeMans6.6LV8N/ABrass - Carded
1970PontiacBonneville7.5LV8N/ABrass - Carded
1970PontiacBonneville6.6LV8N/ABrass - Carded
1970PontiacCatalina7.5LV8N/ABrass - Carded
1970PontiacCatalina6.6LV8N/ABrass - Carded
1970PontiacFirebird6.6LV8N/ABrass - Carded
1970PontiacGrand Prix7.5LV8N/ABrass - Carded
1970PontiacGrand Prix6.6LV8N/ABrass - Carded
1970PontiacGTO7.5LV8N/ABrass - Carded
1970PontiacGTO6.6LV8N/ABrass - Carded
1970PontiacLeMans7.5LV8N/ABrass - Carded
1970PontiacLeMans6.6LV8N/ABrass - Carded
1970PontiacTempest6.6LV8N/ABrass - Carded
1969PontiacBonneville7.0LV8N/ABrass - Carded
1969PontiacBonneville6.6LV8N/ABrass - Carded
1969PontiacCatalina7.0LV8N/ABrass - Carded
1969PontiacCatalina6.6LV8N/ABrass - Carded
1969PontiacFirebird6.6LV8N/ABrass - Carded
1969PontiacGrand Prix7.0LV8N/ABrass - Carded
1969PontiacGrand Prix6.6LV8N/ABrass - Carded
1969PontiacGTO6.6LV8N/ABrass - Carded
1969PontiacLeMans6.6LV8N/ABrass - Carded
1969PontiacTempest6.6LV8N/ABrass - Carded
1968PontiacBonneville7.0LV8N/ABrass - Carded
1968PontiacBonneville6.6LV8N/ABrass - Carded
1968PontiacCatalina7.0LV8N/ABrass - Carded
1968PontiacCatalina6.6LV8N/ABrass - Carded
1968PontiacFirebird6.6LV8N/ABrass - Carded
1968PontiacGrand Prix7.0LV8N/ABrass - Carded
1968PontiacGrand Prix6.6LV8N/ABrass - Carded
1968PontiacGTO6.6LV8N/ABrass - Carded
1968PontiacLeMans6.6LV8N/ABrass - Carded
1968PontiacTempest6.6LV8N/ABrass - Carded
1967PontiacBonneville7.0LV8N/ABrass - Carded
1967PontiacBonneville6.6LV8N/ABrass - Carded
1967PontiacCatalina7.0LV8N/ABrass - Carded
1967PontiacCatalina6.6LV8N/ABrass - Carded
1967PontiacFirebird6.6LV8N/ABrass - Carded
1967PontiacFirebird5.3LV8N/ABrass - Carded
1967PontiacGrand Prix7.0LV8N/ABrass - Carded
1967PontiacGrand Prix6.6LV8N/ABrass - Carded
1967PontiacGTO6.6LV8N/ABrass - Carded
1967PontiacLeMans5.3LV8N/ABrass - Carded
1967PontiacTempest5.3LV8N/ABrass - Carded
1966PontiacBonneville6.9LV8N/ABrass - Carded
1966PontiacBonneville6.4LV8N/ABrass - Carded
1966PontiacCatalina6.9LV8N/ABrass - Carded
1966PontiacCatalina6.4LV8N/ABrass - Carded
1966PontiacGrand Prix6.9LV8N/ABrass - Carded
1966PontiacGrand Prix6.4LV8N/ABrass - Carded
1966PontiacGTO6.4LV8N/ABrass - Carded
1966PontiacLeMans5.3LV8N/ABrass - Carded
1966PontiacTempest5.3LV8N/ABrass - Carded
1965PontiacBonneville6.9LV8N/ABrass - Carded
1965PontiacBonneville6.4LV8N/ABrass - Carded
1965PontiacCatalina6.9LV8N/ABrass - Carded
1965PontiacCatalina6.4LV8N/ABrass - Carded
1965PontiacGrand Prix6.9LV8N/ABrass - Carded
1965PontiacGrand Prix6.4LV8N/ABrass - Carded
1965PontiacGTO6.4LV8N/ABrass - Carded
1965PontiacLeMans5.3LV8N/ABrass - Carded
1965PontiacTempest5.3LV8N/ABrass - Carded
1964PontiacBonneville6.9LV8N/ABrass - Carded
1964PontiacBonneville6.4LV8N/ABrass - Carded
1964PontiacCatalina6.9LV8N/ABrass - Carded
1964PontiacCatalina6.4LV8N/ABrass - Carded
1964PontiacGrand Prix6.9LV8N/ABrass - Carded
1964PontiacGrand Prix6.4LV8N/ABrass - Carded
1964PontiacGTO6.4LV8N/ABrass - Carded
1964PontiacLeMans5.3LV8N/ABrass - Carded
1964PontiacTempest5.3LV8N/ABrass - Carded
1963PontiacBonneville6.9LV8N/ABrass - Carded
1963PontiacBonneville6.4LV8N/ABrass - Carded
1963PontiacCatalina6.9LV8N/ABrass - Carded
1963PontiacCatalina6.4LV8N/ABrass - Carded
1963PontiacGrand Prix6.9LV8N/ABrass - Carded
1963PontiacGrand Prix6.4LV8N/ABrass - Carded
1963PontiacLeMans5.3LV8N/ABrass - Carded
1963PontiacTempest5.3LV8N/ABrass - Carded
1962PontiacBonneville6.4LV8N/ABrass - Carded
1962PontiacCatalina6.4LV8N/ABrass - Carded
1962PontiacGrand Prix6.4LV8N/ABrass - Carded
1961PontiacBonneville6.4LV8N/ABrass - Carded
1961PontiacCatalina6.4LV8N/ABrass - Carded
1961PontiacTempest6.4LV8N/ABrass - Carded
1960PontiacBonneville6.4LV8N/ABrass - Carded
1960PontiacCatalina6.4LV8N/ABrass - Carded
1959PontiacBonneville6.4LV8N/ABrass - Carded
1959PontiacCatalina6.4LV8N/ABrass - Carded

* 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.