• Dorman Autograde Steel Cup Expansion Plug 2-1/8 Inch for Ford Lincoln Mercury 555-070
  • Dorman Autograde Steel Cup Expansion Plug 2-1/8 Inch for Ford Lincoln Mercury 555-070
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Dorman - Autograde

Dorman Autograde Steel Cup Expansion Plug 2-1/8 Inch for Ford Lincoln Mercury 555-070

Dorman Autograde Steel Cup Expansion Plug 2-1/8 Inch for Ford Lincoln Mercury 555-070

$25.80
$25.80
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73 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
Shipping weight
1.0 lb
Barcode
019495555704

Billable shipping weight; may include dimensional weight.

Steel cup expansion plug 2-1/8 inch for Ford Lincoln and Mercury engines used to replace worn or leaking factory core plugs.

Built to meet the manufacturer's design intent for reliable service. This plug is constructed from quality steel materials and engineered to match the original equipment form, fit, and function for a secure seal.

Key Features

  • Material: High-quality steel construction
  • Size: 2-1/8 inch outer diameter
  • Height: 0.360 inch
  • Type: Cup style expansion plug
  • Design: Direct fit replacement for specified applications
  • Quantity: Sold as a 10-piece pack

Benefits

  • Restores engine sealing to prevent coolant leaks
  • Durable steel build resists corrosion and failure
  • Precise dimensions ensure a tight and secure fit
  • Helps avoid costly engine overheating issues
  • Backed by over a century of automotive expertise
  • Reduces the risk of repeat repairs compared to inferior parts

Application

Ideal for mechanics and DIY enthusiasts repairing cooling system leaks on vintage and classic Ford, Lincoln, and Mercury vehicles. Commonly used during engine rebuilds or when replacing failed core plugs to maintain proper coolant pressure.

Fitment Notes

  • Compatible with select Ford models from 1960 to 2001
  • Compatible with select Lincoln models from 1977 to 1992
  • Compatible with select Mercury models from 1960 to 2001
  • Replaces part numbers C5AZ6026H, C20Z6266A, C20Z6266B, 7HA6266A, 387027C1, and EPS-71

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
  • Supported by a team of product experts in the United States
  • Offers a smart way to restore your vehicle with confidence and dependable performance

What's in the Box

  • 10 Piece set of steel cup expansion plugs

Item Dimensions

  • Package Length: 4.9 inches
  • Package Width: 3.7 inches
  • Package Height: 2.2 inches
  • Weight: 0.8 lbs
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Vehicle fitment