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Dorman Expansion Plugs

4.59 out of 5 stars 75 Customer Reviews

Dorman expansion plugs are conveniently designed aftermarket replacements for stripped plugs. A leak-proof fit and long service life are assured every time, due to high-quality standards and materials used in the manufacturing process. Dorman engine and camshaft expansion plugs are offered in multiple sizes, styles, and materials for precise fitment on countless makes and models. They're easy to install and available individually or in multi-pack sets.

Results 1 - 19 of 19

Engine Expansion Plugs, Steel, 0.375 in. Diameter, 0.150 in. Height, Dodge, Ford, Mercury, Set of 10

Part Number: RNB-555-115

5.0 out of 5 stars ( 6 )

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Freeze Plugs, Quick Seal, Rubber, 1.625 in. to 1.750 in. Diameter, Each

Part Number: RNB-02604

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Engine Expansion Plugs, Steel, 1.250 in. Diameter, 0.300 in. Height, Cadillac, Chevy, Chrysler, Set of 10

Part Number: RNB-555-024

4.5 out of 5 stars ( 4 )

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Expansion Plugs, Steel, 0.875 in. Diameter, Set of 10

Part Number: RNB-555-014

5.0 out of 5 stars ( 1 )

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Freeze Plugs, Steel, 1.625 in. Diameter, AMC, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Jeep, Set of 10

Part Number: RNB-555-030

4.0 out of 5 stars ( 4 )

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Expansion Plugs, Steel, 2.109 in. Diameter, Set of 10

Part Number: RNB-555-080

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Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

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Engine Expansion Plugs, Steel, 1.250 in. O.D., 0.400 in. Depth, Set of 10

Part Number: RNB-555-023

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Freeze Plugs, Steel, Chrysler, Dodge, Plymouth, 318, 360, Kit

Part Number: RNB-02651

5.0 out of 5 stars ( 1 )

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Steel Cup Expansion Plug 2-9/64 In., Height 0.432

Part Number: RNB-555-065

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Engine Expansion Plug, Steel, 1.007 in. Closed End Diameter, 1.021 in. Open End Diameter, Set of 10

Part Number: RNB-555-018

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Freeze Plugs, Steel, 0.438 in. Diameter, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jeep, Mercury, Set of 10

Part Number: RNB-555-003

5.0 out of 5 stars ( 3 )

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Concave Steel Cup Expansion Plug 2-1/8 In., Height 2.120 In.

Part Number: RNB-550-030

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Expansion Plugs, Steel, Chrysler, Dodge, Plymouth, Kit

Part Number: RNB-557-014

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Freeze Plugs, Brass, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Pontiac, Dodge, Ford, Set of 10

Part Number: RNB-565-023

5.0 out of 5 stars ( 3 )

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Expansion Plugs, Steel, Diameter 1.638 in., Various, Each

Part Number: RNB-555-087

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Brass Cup Expansion, Plug, 35.21mm Outside Diameter, Each

Part Number: RNB-565-093

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Expansion Plugs, Steel, Diameter 1.710 in., Various, Each

Part Number: RNB-555-033

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Expansion Plugs, Rubber, Diameter 1.750 in., Dodge, Set of 5

Part Number: RNB-570-010

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

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