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OER

OER Radiator Overflow Tanks

4.53 out of 5 stars 83 Customer Reviews

OER radiator overflow tanks keep engine coolant safely in a reservoir—and not on the driveway. These durable plastic recovery tanks are available in a variety of shapes and sizes for fitment in specific vehicles. They're built to meet or exceed OE specifications, and include the correct hot/cold fill lines. Order the replacement model tailored for your radiator application.

Showing In Stock Items. Show All 8 Items.

Results 1 - 8 of 8

OER Radiator Overflow Tanks for 1982-1988 CAMARO, FIREBIRD - 14070997

OER Radiator Overflow Tanks for 1982-1988 CAMARO, FIREBIRD - 14070997

OER Radiator Overflow Tanks for 1982-1988 CAMARO, FIREBIRD - 14070997

Overflow Tank, Plastic, White, Recirculating, Chevy, Pontiac, Each

Part Number: OER-14070997

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks 551448

OER Radiator Overflow Tanks 551448

OER Radiator Overflow Tanks 551448

Overflow Tank, Recirculating, Plastic, White, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OER-551448

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks for 1978-1979 CAMARO - 468563

OER Radiator Overflow Tanks for 1978-1979 CAMARO - 468563

OER Radiator Overflow Tanks for 1978-1979 CAMARO - 468563

Overflow Tank, Plastic, White, Recirculating, Chevy, Each

Part Number: OER-468563

4.6 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks for 1989-1992 CAMARO, FIREBIRD - 10170175

OER Radiator Overflow Tanks for 1989-1992 CAMARO, FIREBIRD - 10170175

OER Radiator Overflow Tanks for 1989-1992 CAMARO, FIREBIRD - 10170175

Radiator Overflow Tank, Recirculating, Plastic, White, Bolt-in, Chevy, Pontiac, Each

Part Number: OER-10170175

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks for 1976-1979 FIREBIRD - 10006782

OER Radiator Overflow Tanks for 1976-1979 FIREBIRD - 10006782

OER Radiator Overflow Tanks for 1976-1979 FIREBIRD - 10006782

Overflow Tank, Replacement, Bolt-in, Plastic, White, Recirculating, Pontiac, Each

Part Number: OER-10006782

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks for 1973-1974 NOVA - 344387

OER Radiator Overflow Tanks for 1973-1974 NOVA - 344387

OER Radiator Overflow Tanks for 1973-1974 NOVA - 344387

Overflow Tank, Recirculating, Plastic, White, Chevy, Each

Part Number: OER-344387

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks for 1973-1977 CAMARO - 463153

OER Radiator Overflow Tanks for 1973-1977 CAMARO - 463153

OER Radiator Overflow Tanks for 1973-1977 CAMARO - 463153

Overflow Tank, Recirculating, Plastic, White, Chevy, Each

Part Number: OER-463153

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

OER Radiator Overflow Tanks for 1973-1981 FIREBIRD - 493072

OER Radiator Overflow Tanks for 1973-1981 FIREBIRD - 493072

OER Radiator Overflow Tanks for 1973-1981 FIREBIRD - 493072

Overflow Tank, Replacement, Bolt-in, Plastic, White, Recirculating, Pontiac, Each

Part Number: OER-493072

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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