HomeEngine > Hardware, Fasteners and FittingsDorman 565-034 Engine Expansion Plug - Rear
Part #: 565-034

Dorman 565-034 Engine Expansion Plug - Rear

Rear
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$52.42Free 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: Jeep, CJ5, CJ6, Jeepster, DJ5, and Commando
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Core Plug 565-034 for Jeep CJ5

The Dorman 565-034 engine core plug is designed specifically for Jeep CJ5 models, providing a reliable seal for engine block openings. Crafted from durable brass, this cup-type expansion plug ensures a precise fit and long-lasting performance in your engine's hardware system.

Key Features of the Dorman 565-034 Engine Core Plug

  • Material: High-quality brass construction for corrosion resistance
  • Type: Cup type expansion plug for secure sealing
  • Diameter: Fits openings with a minimum diameter of 1.751 inches and a maximum diameter of 1.761 inches
  • Package includes 10 brass expansion plugs for multiple repairs or replacements
  • Compatible specifically with Jeep CJ5 engine blocks

Detailed Description of the Dorman 565-034 Core Plug

This engine core plug from Dorman is engineered to meet the exact specifications required for Jeep CJ5 engines. The brass material offers excellent resistance to rust and wear, which is critical for maintaining engine integrity over time. The cup-type design allows for easy installation and a tight seal within the engine block's core holes, preventing coolant or oil leaks. With diameters ranging from 1.751 to 1.761 inches, the plug fits precisely into the designated openings, ensuring optimal performance and durability.

Common Applications and Issues Addressed

  • Sealing engine block core holes to prevent coolant leaks
  • Replacing worn or corroded core plugs in Jeep CJ5 engines
  • Maintaining engine pressure and preventing contamination
  • Addressing overheating issues caused by coolant loss
  • Restoring engine block integrity after core plug failure

Installation Notes and Tips

  • Ensure the engine block core hole is clean and free of debris before installation
  • Use appropriate tools to press the cup-type plug evenly into place without damaging the brass material
  • Verify the plug diameter matches the engine block specifications (1.751 to 1.761 inches)
  • Inspect surrounding areas for corrosion or damage during replacement
  • Consult the Jeep CJ5 service manual for torque and installation procedures

Quality Assurance and Warranty Information

Dorman manufactures the 565-034 engine core plug to meet industry standards for automotive hardware and fasteners. The brass construction ensures durability and resistance to corrosion under normal operating conditions. While specific warranty details may vary, Dorman products typically come with a limited warranty covering defects in material and workmanship. For precise warranty terms, refer to Dorman's official documentation or contact authorized distributors.

BrandDorman
Part Number565-034
Describe TypeCup Type
MaterialBrass
Maximum Diameter1.761
Minimum Diameter1.751
Package Contents10 Expansion Plug Brass

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1971JeepCJ53.7LV6RearAssortment; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1970JeepCJ53.7LV6RearAssortment; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1969JeepCJ53.7LV6RearAssortment; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1968JeepCJ53.7LV6RearAssortment; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box

* 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:

EPC-82-B

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