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Dorman Radiator Drain Petcocks

3.14 out of 5 stars 29 Customer Reviews

These Dorman radiator drain petcocks are designed to empty the coolant from your OEM radiator. They are made of quality materials to ensure reliability and fit. Dorman radiator drain petcocks come in different thread sizes and styles to fit your specific radiator application.

Results 1 - 24 of 24

Drain Petcock, Radiator, Brass, 1/4 in. NPT, Each

Part Number: RNB-61106

2.38 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Petcock, Radiator Drain, Plastic, Black, GM, Each

Part Number: RNB-61133

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcocks, Radiator Drain Petcocks, 1/8 in. NPT Thread Size, Brass, Natural, Buick, Cadillac, Chevy, Ford, GMC, Mercury, Merkur, Olds, Pontiac, Each

Part Number: RNB-61103

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Estimated Ship Date: Tomorrow

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Petcock, Radiator Drain, Plastic, White, 12mm x 1.25, Each

Part Number: RNB-61110

Not Yet Reviewed

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Petcock, Radiator Drain, Plastic, Black, 12mm x 1.25, Each

Part Number: RNB-61123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Fitting, Radiator Drain Petcock, Brass, Natural, 1/8 in. NPT Thread Size, AMC, Jeep, Each

Part Number: RNB-61105

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Radiator Drain Cock, Replacement, Brass, Jeep, Each

Part Number: RNB-61104

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Petcock, Radiator Drain, Plastic, Black, 14mm x 1.50, Each

Part Number: RNB-61138

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, GM/Toyota, Each

Part Number: RNB-61136

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, 10mm x 1.25, Each

Part Number: RNB-61137

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Radiator Drain Cock, Replacement, Plastic, Black, Each

Part Number: RNB-61109

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, Each

Part Number: RNB-61122

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, 14mm x 1.50, Each

Part Number: RNB-61132

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, White, 9/16 in. NPT, Each

Part Number: RNB-61112

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, 8mm x 1.25, Each

Part Number: RNB-61108

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, White, 10mm x 1.25, Each

Part Number: RNB-61114

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Plastic, Black, M14 x 1.25 Thread Size, for Nissan, Subaru, Each

Part Number: RNB-61116

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, 8mm x 1.25, Each

Part Number: RNB-61121

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, 14mm x 2.00, Each

Part Number: RNB-61127

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, White, 14mm x 2.00, Each

Part Number: RNB-61125

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, White, 5/8 in.-18, Each

Part Number: RNB-61126

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, White, Each

Part Number: RNB-61124

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Radiator Drain, Petcock, Plastic, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: RNB-61134

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Petcock, Radiator Drain, Plastic, Black, 5/8 in.-18, Each

Part Number: RNB-61129

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

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