Manufacturer | Dorman - Autograde |
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Place of Business | COLMAR, PA, 18915 US |
Brand | Dorman |
Model | Expansion Plug |
Item model number | 555-030 |
Is Discontinued By Manufacturer | No |
Exterior | Painted |
Manufacturer part number | 555-030 |
OEM part number | 260186; 31568; EPC41; EPC4125 2121198; 3144643; 3826504; 3826505; 5203342; 6033564; 70128; 733598; 88891749; 94673017; J3144643 |
Item Weight | 227 g |
Country of origin | China |
Not Added
Dorman 555-030 Steel Cup Expansion Plug - 1-5/8 In, Height 0.500, Pack of 10
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Brand | Dorman |
Colour | Ready To Paint If Needed |
Item weight | 0.5 Pounds |
About this item
- Formally dealer only parts now available in the aftermarket
- Quality materials used
- New products, new solutions, new opportunities
- A quality part backed by a Dorman limited lifetime warranty
- Formally dealer only parts now available in the aftermarket^Quality materials used^New products, new solutions, new opportunities^A quality part backed by a Dorman limited lifetime warranty
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From the manufacturer

Dorman is a leading auto parts manufacturer founded in the United States and headquartered in Colmar, Pennsylvania.

Our story began with the first mass market automobile. We were one of the first companies to deliver replacement products for the automotive aftermarket, and we remain at the forefront today.

We give repair professionals and vehicle owners greater freedom to fix cars and trucks by focusing on solutions that save time and money and increase convenience and reliability.

Our team is constantly looking for problems to solve and turning them into new product ideas. Some solutions, like our OE FIX products, you can't even get from original vehicle manufacturers.

We offer an always-evolving catalog of parts, covering both light duty and heavy duty vehicles, from chassis to body, from underhood to undercar, and from hardware to complex electronics.
Product description
Dorman Products, Inc. is well-known as a leader in providing quality auto parts to the aftermarket. We've earned our reputation for excellence from over three decades of experience in providing automotive replacement parts, fasteners and service line products primarily for the automotive aftermarket. Our prestigious position stems from a unique combination of application expertise, innovative product design, and breadth of product offerings, many of which are not conveniently or economically available elsewhere. At Dorman, we take pride in the quality of our products and in your satisfaction.
Product information
Technical Details
Additional Information
ASIN | B000CIV25M |
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Customer Reviews |
4.4 out of 5 stars |
Best Sellers Rank | #120,999 in Automotive (See Top 100 in Automotive) #10 in Automotive Replacement Engine Expansion Plugs #27 in Automotive Replacement Expansion Valves & Parts |
Date First Available | May 1 2014 |
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I also noticed it wasnt as tight a fit as the stock one.
This is for a 2000 dodge with a 5.9 magnum engine. I will be going with factory plugs next time.


FYI: the camshaft and balance shaft holes at the rear of the block take a larger expansion plug.
