• Dorman Autograde Steel Cup Engine Expansion Plug 1-49/64 In for Ford GM Navistar 555-036
  • Dorman Autograde Steel Cup Engine Expansion Plug 1-49/64 In for Ford GM Navistar 555-036
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Dorman - Autograde

Dorman Autograde Steel Cup Engine Expansion Plug 1-49/64 In for Ford GM Navistar 555-036

Dorman Autograde Steel Cup Engine Expansion Plug 1-49/64 In for Ford GM Navistar 555-036

$22.96
$22.96
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25 in stock

Shipping & returns

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

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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
019495555360

Billable shipping weight; may include dimensional weight.

Steel cup engine expansion plug 1-49/64 inch diameter for Ford General Motors and Navistar vehicles used to replace worn or leaking factory core plugs.

Built to meet the manufacturer's design intent for reliable service using quality steel materials engineered for dependable performance in demanding engine environments.

Key Features

  • Constructed from durable steel for long-lasting sealing power
  • Precise diameter of 1-49/64 inches with 0.380 inch height
  • Direct replacement for original equipment expansion plugs
  • Compatible with select Ford General Motors and Navistar engines
  • Backed by over a century of automotive industry experience
  • Validated through testing to ensure proper fit and function

Benefits

  • Stops coolant leaks caused by failed or corroded core plugs
  • Restores engine cooling system integrity and pressure
  • Reduces risk of repeat repairs with robust material construction
  • Ensures smoother installation with OE-matching dimensions
  • Provides trustworthy quality supported by US-based product experts
  • Helps maintain optimal engine operating temperature

Application

Ideal for mechanics and DIY enthusiasts repairing coolant leaks in older Ford General Motors and Navistar engines requiring a 1-49/64 inch steel cup plug.

Fitment Notes

  • Fits Ford models from 1946 to 1994
  • Fits General Motors models from 1964 to 1984
  • Fits Navistar models from 1968 to 1980
  • Replaces part numbers including 376043S 94021815 and E7DZ6026B

Why Choose Dorman - Autograde?

  • Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
  • Built with quality materials and validated through testing to stand up to daily driving demands
  • Offers proven aftermarket solutions that keep vehicles operating the way they should

What's in the Box

  • 10 Piece Set of Steel Cup Expansion Plugs

Item Dimensions

  • 3.7 inches x 2.4 inches x 2.2 inches
  • Weight: 0.7 lbs
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Vehicle fitment