• Dorman Autograde Steel Cup Expansion Plug 2-3/32 Inch with 0.278 Inch Height for General Motors 555-049
  • Dorman Autograde Steel Cup Expansion Plug 2-3/32 Inch with 0.278 Inch Height for General Motors 555-049
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Dorman - Autograde

Dorman Autograde Steel Cup Expansion Plug 2-3/32 Inch with 0.278 Inch Height for General Motors 555-049

Dorman Autograde Steel Cup Expansion Plug 2-3/32 Inch with 0.278 Inch Height for General Motors 555-049

$25.73
$25.73
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Low stock: 10 left

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
019495555490

Billable shipping weight; may include dimensional weight.

Steel cup expansion plug for General Motors vehicles designed to replace worn or leaking camshaft plugs with part number 555-049.

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

Key Features

  • Constructed from durable steel for long-lasting resistance to corrosion and pressure
  • Precise diameter of 2-3/32 inches ensures a tight seal in the engine block
  • Cup height of 0.278 inches matches original equipment specifications
  • Direct fit replacement designed to restore proper engine sealing
  • Validated through testing to ensure consistent quality and reliability

Benefits

  • Prevents oil leaks and fluid loss from the camshaft area
  • Restores engine integrity to prevent potential damage from seal failure
  • Reduces the risk of repeat repairs with trustworthy aftermarket quality
  • Ensures a smoother installation process with OE-matching dimensions
  • Provides a cost-effective solution compared to dealer-only parts

Application

Ideal for mechanics and DIY enthusiasts repairing General Motors engines that require a replacement for the factory camshaft expansion plug to stop leaks or during engine rebuilds.

Fitment Notes

  • Compatible with select General Motors models utilizing this specific plug size
  • Replaces General Motors part number 3704158 and Pioneer EPS-150
  • Verify vehicle compatibility using the part number before purchase

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 Piece set of steel cup expansion plugs

Item Dimensions

  • Package measures 4.9 inches by 3.7 inches by 2.2 inches
  • Total package weight is 0.8 lbs
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Vehicle fitment