• Dorman Autograde Steel Cup Engine Expansion Plug 35.21mm for 1968-2005 Vehicles 555-093
  • Dorman Autograde Steel Cup Engine Expansion Plug 35.21mm for 1968-2005 Vehicles 555-093
  • Dorman Autograde Steel Cup Engine Expansion Plug 35.21mm for 1968-2005 Vehicles 555-093
  • Dorman Autograde Steel Cup Engine Expansion Plug 35.21mm for 1968-2005 Vehicles 555-093
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Dorman - Autograde

Dorman Autograde Steel Cup Engine Expansion Plug 35.21mm for 1968-2005 Vehicles 555-093

Dorman Autograde Steel Cup Engine Expansion Plug 35.21mm for 1968-2005 Vehicles 555-093

$20.03
$20.03
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21 in stock

Shipping & returns

Shipping details

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

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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
019495555933

Billable shipping weight; may include dimensional weight.

Steel cup engine expansion plug 35.21mm for 1968 to 2005 vehicles used to replace leaking or corroded factory freeze plugs.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from durable steel to withstand engine coolant pressures and resist corrosion over time.

Key Features

  • Constructed from high-quality steel for long-lasting durability
  • Precise diameter of 35.21mm with a height of 0.380 inches
  • Engineered to match original equipment form, fit, and function
  • Validated through rigorous testing for consistent performance
  • Sold as a convenient 10-piece pack for multiple replacements

Benefits

  • Stops coolant leaks caused by worn or damaged expansion plugs
  • Prevents engine overheating by sealing the cooling system effectively
  • Reduces the risk of repeat repairs with corrosion-resistant materials
  • Ensures a secure fit that minimizes installation issues
  • Provides cost-effective maintenance for older and high-mileage engines
  • Restores vehicle reliability with trusted aftermarket engineering

Application

Ideal for mechanics and DIY enthusiasts repairing cooling system leaks on various domestic and import vehicles including Ford, Toyota, Nissan, Hyundai, and General Motors models from 1968 through 2005.

Fitment Notes

  • Compatible with select vehicle years ranging from 1968 to 2005
  • Replaces multiple OEM part numbers including GM 94842694 and Ford D27Z6026B
  • Verify specific engine block requirements before installation

Why Choose Dorman - Autograde?

  • Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
  • Backed by a team of product experts in the United States and over a century of automotive experience
  • Built with quality materials to stand up to daily driving demands

What's in the Box

  • 10 pieces of steel cup engine expansion plugs

Item Dimensions

  • Package measures 3.7 inches by 2.4 inches by 2.2 inches
  • Total package weight is approximately 0.5 lbs
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Vehicle fitment