HomeEngine > Cylinder Block ComponentsPioneer Cables PE-166-R Engine Expansion Plug Kit
Part #: PE-166-R

Pioneer Cables PE-166-R Engine Expansion Plug Kit

⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$17.54Free 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: Buick, Skylark and Apollo
🔄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 Buick Skylark

The Pioneer Cables PE-166-R engine expansion plug kit is designed specifically for Buick Skylark models. This kit provides a precise fit and durable performance for maintaining the integrity of your engine's cylinder block components.

  • Compatible with Buick Skylark engine cylinder blocks
  • Includes high-quality expansion plugs for secure sealing
  • Part number PE-166-R ensures exact replacement fit
  • Engineered to withstand engine heat and pressure
  • Facilitates proper engine block maintenance and repair

Product Details and Specifications

The PE-166-R engine expansion plug kit from Pioneer Cables is crafted to meet the specific requirements of Buick Skylark engines. These plugs are essential components that seal the cylinder block’s core holes, preventing coolant and oil leaks. Manufactured with materials that resist corrosion and thermal stress, this kit supports the engine’s structural integrity and operational reliability. The part number PE-166-R corresponds directly to the expansion plugs needed for the Buick Skylark, ensuring compatibility and ease of installation.

Common Applications and Problem Solving

  • Sealing core holes in Buick Skylark cylinder blocks
  • Preventing coolant leaks that can cause engine overheating
  • Stopping oil leaks that may lead to engine damage
  • Replacing worn or damaged expansion plugs during engine rebuilds
  • Maintaining engine block pressure and performance

Installation Notes and Tips

When installing the PE-166-R engine expansion plug kit, ensure the cylinder block surface is clean and free of debris. Use appropriate tools to press the plugs evenly into the core holes without damaging the block. Verify that each plug is seated flush to prevent leaks. It is recommended to inspect all plugs during routine engine maintenance or rebuilds to maintain optimal engine function.

Quality Assurance and Warranty

Pioneer Cables manufactures the PE-166-R engine expansion plug kit to meet industry standards for durability and fitment. While specific warranty details are not provided, Pioneer Cables products typically adhere to quality control processes to ensure reliable performance in Buick Skylark engine applications.

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1976BuickSkylark4.3LV8N/ASteel - Poly Bagged
1975BuickSkylark4.3LV8N/ASteel - Poly Bagged

* 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.