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$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Dorman Automatic Transmission Cooler Lines

4.05 out of 5 stars 77 Customer Reviews

Replacing damaged or corroded cooler lines with Dorman automatic transmission cooler lines takes you a long way in protecting your transmission. Their lines' leak-r
Replacing damaged or corroded cooler lines with Dorman automatic transmission cooler lines takes you a long way in protecting your transmission. Their lines' leak-resistant design prevents the common, high-stakes problem of transmission fluid loss. Plus, the robust construction of Dorman auto transmission oil cooler hose assemblies readily defends against possible damage from road debris and corrosion.

Features include:

* Includes all hardware needed for a complete repair (where applicable)
* Materials used in construction have been upgraded from steel and/or rubber to corrosion-resistant aluminum (where appli
Replacing damaged or corroded cooler lines with Dorman automatic transmission cooler lines takes you a long way in protecting your transmission. Their lines' leak-resistant design prevents the common, high-stakes problem of transmission fluid loss. Plus, the robust construction of Dorman auto transmission oil cooler hose assemblies readily defends against possible damage from road debris and corrosion.

Features include:

* Includes all hardware needed for a complete repair (where applicable)
* Materials used in construction have been upgraded from steel and/or rubber to corrosion-resistant aluminum (where applicable)
* Direct replacement for ease of installation
* Rigorous quality control measures ensure each line conforms to product standards

Results 1 - 25 of 136

Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-641

Not Yet Reviewed

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Automatic Transmission Cooler Line, Steel, Dodge, Each

Part Number: RNB-624-991

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Automatic Transmission Cooler Line, Steel/Rubber, Dodge, Each

Part Number: RNB-624-891

5.0 out of 5 stars ( 1 )

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Transmission Line

Part Number: RNB-624-642

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Fluid Cooler Lines, Automatic Transmission Cooler Lines, Cadillac, Chevy, GMC, Each

Part Number: RNB-624-994

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Automatic Transmission Cooler Line, Stock, Steel/Rubber, Each

Part Number: RNB-624-885

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Automatic Transmission Cooler Line, Stock, Steel/Rubber, Each

Part Number: RNB-624-322

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-716

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Automatic Transmission Cooler Line, Stock, Steel, Each

Part Number: RNB-624-574

Not Yet Reviewed

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-165

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-645

Not Yet Reviewed

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-585

Not Yet Reviewed

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Automatic Transmission Cooler Line, Stock, Steel/Rubber, Each

Part Number: RNB-624-275

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Transmission Line

Part Number: RNB-624-753

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Transmission Cooler Line, Rubber, Passenger Side, Dodge, 5.9L Diesel, Each

Part Number: RNB-624-333

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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Transmission Oil Cooler line, Steel, Chevy, Pontiac, Saturn, Each

Part Number: RNB-624-952

Not Yet Reviewed

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Automatic Transmission Cooler Line, Steel/Rubber, Ford, Each

Part Number: RNB-724-031

Not Yet Reviewed

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Automatic Transmission Cooler Line, Stock, Steel/Rubber, Each

Part Number: RNB-624-558

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-752

Not Yet Reviewed

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HOSE

Part Number: RNB-724-016

Not Yet Reviewed

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Automatic Transmission Cooler Line, Stock, Steel/Rubber, Each

Part Number: RNB-624-323

Not Yet Reviewed

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-746

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Automatic Transmission Oil Cooler Hose Assembly, Transmission Oil Cooler Line

Part Number: RNB-624-539

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Transmission Cooler Line, Dodge, Pickup, Upper Inlet, Each

Part Number: RNB-624-802

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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