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DeWitts LSX Modified Radiator Modules

4.53 out of 5 stars 17 Customer Reviews

DeWitts LSX modified radiator modules are designed to fit into the stock mounting and use the factory connections when installing an LS engine. They're manufactured
DeWitts LSX modified radiator modules are designed to fit into the stock mounting and use the factory connections when installing an LS engine. They're manufactured and furnace-brazed in DeWitts' own furnace. The cores feature two rows of cooling tubes, a serpentine fin, and are epoxy-free. The radiators' press-formed end tanks are manually TIG-welded by expert craftsmen, providing the ultimate in strength and appearance. Included is an aluminum shroud with a Spal electric fan mounting in position, one wire harness, and a temperature switch. DeWitts LSX modified radiator modules are available with a standard finish,
DeWitts LSX modified radiator modules are designed to fit into the stock mounting and use the factory connections when installing an LS engine. They're manufactured and furnace-brazed in DeWitts' own furnace. The cores feature two rows of cooling tubes, a serpentine fin, and are epoxy-free. The radiators' press-formed end tanks are manually TIG-welded by expert craftsmen, providing the ultimate in strength and appearance. Included is an aluminum shroud with a Spal electric fan mounting in position, one wire harness, and a temperature switch. DeWitts LSX modified radiator modules are available with a standard finish, an exclusive black ice epoxy coat for a great OEM look, or polished. Over a hundred models are available (crossflow or downflow) for vehicles from the 1960s and '70s. They can also be ordered with a built-in transmission cooler for your automatic equipped vehicle.

Results 1 - 17 of 17

Radiators, LSX Modified Radiator Modules, Downflow, Aluminum, Natural, Transmission Cooler, Single Fan, Chevrolet, Engine Swap, Kit

Part Number: DWR-6139055A

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Radiators, LSX Modified Radiator Modules, Crossflow, Aluminum, Natural, Transmission Cooler, Dual Fan, Chevrolet, Engine Swap, Kit

Part Number: DWR-6139024A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Radiators, LSX Modified Radiator Modules, Crossflow, Aluminum, Black, Dual Fan, Chevrolet, Engine Swap, Kit

Part Number: DWR-6239024M

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Radiators, LSX Modified Radiator Modules, Crossflow, Aluminum, Black, Dual Fan, Chevrolet, Engine Swap, Kit

Part Number: DWR-6239005M

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

1969-72 Corvette, LSX Modified, Aluminum, Natural, Auto, Kit

Part Number: DWR-6139070A

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

1977-81 CORVETTE SB / BB CF

Part Number: DWR-6139077A

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

LSX Conversion Radiator - 1966-67 GTO Auto, 25.5" x 15.5" Core, Direct Fit Non A/C cars

Part Number: DWR-6139040A

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Radiators, LSX Modified Radiator Modules, Downflow, Aluminum, Black, Transmission Cooler, Single Fan, Chevrolet, Engine Swap, Kit

Part Number: DWR-6239013A

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

1969-72 Corvette, LSX Modified, Aluminum, Natural, Manual, Kit

Part Number: DWR-6139070M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

1977-81 CORVETTE SB / BB CF

Part Number: DWR-6139077M

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

LSX Conversion Radiator - 1963-70, Full Size Impala, Caprice, Auto

Part Number: DWR-6139016A

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Radiators, LSX Modified Radiator Modules, Crossflow, Aluminum, Natural, Transmission Cooler, Single Fan, Chevrolet, Engine Swap, Kit

Part Number: DWR-6139063A

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

LSX Conversion Radiator - 1966-67 GTO Auto, 25.5" x 17.5" Core, Direct Fit With A/C cars

Part Number: DWR-6139041M

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

LSX Conversion Radiator - 1963-70, Full Size Impala, Caprice, Manual

Part Number: DWR-6139016M

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

LSX Conversion Radiator - 1966-67 GTO Man, 25.5" x 15.5" Core, Direct Fit Non A/C cars

Part Number: DWR-6139040M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

LSX Conversion Radiator Module, 1966-67 GTO Man, 25.5" x 15.5" Core, Direct Fit Non A/C cars

Part Number: DWR-6239040M

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

LSX Conversion Radiator Module, Corvette-1977-81, Manual

Part Number: DWR-6239077M

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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