HomeEngine > Hardware, Fasteners and FittingsDorman 570-008 Engine Timing Cover Plug
Part #: 570-008

Dorman 570-008 Engine Timing Cover Plug

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4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: GMC and Pontiac, PM151, PM152, PM153, PM251, PM252, PM253, Truck, Bonneville, Catalina, Chieftain, Star Chief, and Super Chief
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Overview of Dorman Engine Timing Cover Plug 570-008

The Dorman 570-008 engine timing cover plug is designed to provide a reliable seal for your Pontiac Bonneville or Catalina engine timing cover. Made from durable rubber with a quick-seal design, this set of five expansion plugs ensures a secure fit and helps maintain engine integrity.

  • Material: High-quality rubber for durability and flexibility
  • Quick-seal type for efficient and secure installation
  • Package includes 5 expansion plugs for multiple applications
  • Compatible with Pontiac Bonneville and Catalina models
  • Part number 570-008 for precise identification and fitment

Detailed Product Description

The Dorman 570-008 engine timing cover plug is engineered to replace worn or damaged plugs in the timing cover of Pontiac Bonneville and Catalina vehicles. Constructed from rubber, these plugs provide a tight seal that prevents oil leaks and contamination. The quick-seal design simplifies installation, reducing the time and effort required to maintain your engine’s timing cover. This set includes five expansion plugs, allowing for multiple replacements or servicing needs.

Common Applications and Issues Addressed

  • Sealing oil passages in the engine timing cover to prevent leaks
  • Replacing cracked or deteriorated plugs that compromise engine performance
  • Preventing dirt and debris from entering the timing cover area
  • Maintaining proper engine pressure and fluid containment
  • Ensuring reliable operation of Pontiac Bonneville and Catalina engines

Installation Notes and Tips

  • Ensure the timing cover surface is clean and free of debris before installation
  • Lubricate the rubber plug slightly to ease insertion and prevent damage
  • Press the plug firmly into place until fully seated for a secure seal
  • Inspect surrounding areas for wear or damage during replacement
  • Use the full set of five plugs to replace all worn components as needed

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Pontiac Bonneville and Catalina. The 570-008 engine timing cover plug undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.

BrandDorman
Part Number570-008
Describe TypeQuick-seal®
MaterialRubber
Package Contents5 Expansion Plugs

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1957PontiacBonnevilleN/A1.375 In. - 1.50 In. (34 mm - 38 mm); Quick Seal Rubber; 1 Required; Sell Until Depleted; Package Quantity: 5; Dorman - AutoGrade - Boxed
1957PontiacCatalinaN/A1.375 In. - 1.50 In. (34 mm - 38 mm); Quick Seal Rubber; 1 Required; Sell Until Depleted; Package Quantity: 5; Dorman - AutoGrade - Boxed
1956PontiacCatalinaN/A1.375 In. - 1.50 In. (34 mm - 38 mm); Quick Seal Rubber; 1 Required; Sell Until Depleted; Package Quantity: 5; Dorman - AutoGrade - Boxed
1955PontiacCatalinaN/A1.375 In. - 1.50 In. (34 mm - 38 mm); Quick Seal Rubber; 1 Required; Sell Until Depleted; Package Quantity: 5; Dorman - AutoGrade - Boxed

* 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:

EZ-137

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