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Dorman Autograde Brass Cup Expansion Plug 1-3/4 In for 1966-1971 Jeep CJ5 CJ6 Commando 565-034

Dorman Autograde Brass Cup Expansion Plug 1-3/4 In for 1966-1971 Jeep CJ5 CJ6 Commando 565-034

Regular price $53.18
Regular price Sale price $53.18
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12 in stock

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Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

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Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Engine Expansion Plug
Category
Motor Vehicle Engine Parts
Item condition
New
Manufacturer type
Aftermarket
Shipping weight
1.0 lb
Barcode
019495565345

Billable shipping weight; may include dimensional weight.

Brass cup expansion plug 1-3/4 inch for 1966-1971 Jeep CJ5 CJ6 and Commando used to replace worn or leaking engine core plugs.

Built to meet the manufacturer's design intent for reliable service, this expansion plug is crafted from quality brass materials to ensure a secure seal and long-lasting durability in demanding engine environments.

Key Features

  • Constructed from high-quality brass for corrosion resistance
  • Precise 1-3/4 inch diameter with 0.430 inch height
  • Engineered to match original equipment form and fit
  • Validated through testing for dependable performance
  • Sold as a 10-piece bulk pack for multiple replacements
  • Direct replacement for Pioneer part number EPC-82-B

Benefits

  • Restores proper sealing to prevent coolant or oil leaks
  • Reduces the risk of repeat repairs with durable materials
  • Ensures smoother installation with OE-matched dimensions
  • Provides cost-effective solution with multi-pack quantity
  • Helps maintain engine integrity and prevent overheating

Application

Ideal for restoring classic Jeep engines including CJ5, CJ6, Commando, DJ5, and Jeepster models requiring a trustworthy fix for damaged or missing expansion plugs during engine rebuilds or maintenance.

Fitment Notes

  • Fits 1968-1971 Jeep CJ5
  • Fits 1969-1971 Jeep CJ6
  • Fits 1967 Jeep Commando
  • Fits 1966-1970 Jeep DJ5
  • Fits 1968-1971 Jeep Jeepster

Why Choose Dorman - Autograde?

  • Backed by over a century of automotive experience and a team of product experts in the United States
  • Engineered as direct-fit replacements to match OE specifications
  • Built with quality materials validated through rigorous testing
  • Delivers proven aftermarket solutions to keep vehicles operating correctly

What's in the Box

  • 10 Piece Brass Cup Expansion Plug Set

Item Dimensions

  • Package: 4.9in x 3.7in x 2.2in
  • Weight: 0.8lbs
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Vehicle fitment