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Dorman Heater Hose Connector Fittings

4.68 out of 5 stars 56 Customer Reviews

Dorman heater hose connector fittings are available for a wide range of cars, trucks, and vans--both application-specific and universal models. These parts can be used as replacements in areas such as the heater core inlet and/or outlet, and the radiator surge tank. The fittings are stocked in various sizes, materials, and shapes (straight, elbow); some are hose barb style, while others are quick-connect. Eliminate aggravating leaks in your cooling system with the help of these Dorman heater hose connector fittings.

Results 1 - 6 of 6

Heater Hose Connector, Plastic, Black, 3/4 in. Female Quick-Connect, 5/8 in. Hose Barb, Each

Part Number: RNB-800-409

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Heater Hose Connector Fitting, hose barb, 5/8in NPT, Female Quick Connect 5/8, plastic, each

Part Number: RNB-800-403

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Heater Hose Connector Fitting, hose barb, 3/4in NPT, Female Quick Connect 5/8, plastic, each

Part Number: RNB-800-404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Heater Hose Connector, Steel, Natural, 3/4 in. Female Quick-Connect, 5/8 in. Hose Barb, Each

Part Number: RNB-800-409HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Heater Hose Connector 3/4 In. Tube x 5/8 In. Hose

Part Number: RNB-47164

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

Fitting, Heater Hose Connector, Straight, Plastic, Black, Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile, Each

Part Number: RNB-47165

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

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