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.

Showing In Stock Items. Show All 33 Items.

Results 1 - 15 of 15

Dorman Expansion Plugs 02600

Engine Expansion Plug, Oil Galley, Rubber/Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-02600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-028

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Set of 10

Part Number: RNB-555-028

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-008

Engine Expansion Plugs, Steel, 0.563 in. Diameter, 0.250 in. Height, Chevy, GMC, Olds, Pontiac, Set of 10

Part Number: RNB-555-008

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-007

Engine Expansion Plugs, Steel, 0.540 in. O.D., 0.180 in. Height, Buick, Chevy, Ford, GMC, Mercury, Set of 10

Part Number: RNB-555-007

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-025

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-030

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 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-016

Steel Cup Expansion Plug 15/16 In., Height 0.380

Part Number: RNB-555-016

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-018

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

Part Number: RNB-555-018

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 565-023

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 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-011

Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10

Part Number: RNB-555-011

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-087

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

Part Number: RNB-555-087

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 02602

Engine Expansion Plug, Rubber/Steel, for 1.375 in. - 1.500 in. Holes, Each

Part Number: RNB-02602

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-104

Expansion Plugs, Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Jeep, Set of 10

Part Number: RNB-555-104

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 570-008

Expansion Plugs, Rubber, Diameter 1.500 in., GMC, Pontiac, Set of 5

Part Number: RNB-570-008

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Dorman Expansion Plugs 565-016

Expansion Plugs, Brass, Diameter 0.947 in., Buick, Oldsmobile, Pontiac, Each

Part Number: RNB-565-016

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

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