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Dorman Coolant Reservoirs

4.6 out of 5 stars 195 Customer Reviews

Dorman coolant reservoirs are part of their line of OE solutions for your vehicle. They are quality-made replacements for your worn, cracked, or broken reservoirs. They collect excess coolant to prevent contaminating your engine compartment and the environment.

Results 1 - 25 of 26

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Each

Part Number: RNB-603-380

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Reservoir, Overflow, Plastic, Each

Part Number: RNB-603-575

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Coolant Reservoir, Dodge 2002-90

Part Number: RNB-603-775

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Each

Part Number: RNB-603-056

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Coolant Reservoir, Recirculating, Plastic, White, Cap, Dodge, Jeep, Each

Part Number: RNB-603-630

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Dodge, Each

Part Number: RNB-603-092

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Dual Coolant / Windshield Washer Fluid Reservoir

Part Number: RNB-603-574

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Coolant Reservoir, Dodge 2013-10, Ram 2013-10

Part Number: RNB-603-778

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Dodge, 5.9L Diesel, 6.7L Diesel, Each

Part Number: RNB-603-317

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Each

Part Number: RNB-603-379

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Coolant Reservoir, Recirculating, Plastic, White, Dodge, 2.4L, Each

Part Number: RNB-603-453

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Pressurized Coolant Reservoir

Part Number: RNB-603-378

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Ram, Each

Part Number: RNB-603-252

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Coolant Reservoir, Recirculating, Plastic, Black/White, Cap, Dodge, Each

Part Number: RNB-603-487

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Each

Part Number: RNB-603-586

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Plymouth, Each

Part Number: RNB-603-069

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Each

Part Number: RNB-603-081

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Dodge, Plymouth, Each

Part Number: RNB-603-460

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Reservoir, Overflow, Plastic, Clear, Includes Coolant Reservoir, Chrysler, Dodge, Each

Part Number: RNB-603-240

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Coolant Reservoir, Recirculating, Plastic, White, Cap, Chrysler, Dodge, Each

Part Number: RNB-603-327

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Reservoir, Overflow, Plastic, Each

Part Number: RNB-603-631

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Reservoir, Overflow, Plastic, Each

Part Number: RNB-603-619

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Coolant Reservoir, Dodge Journey 2018-09

Part Number: RNB-603-779

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Coolant Reservoir, Dodge Dakota 2007-05, Mitsubishi Raider 2009-06

Part Number: RNB-603-776

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Coolant Reservoir, Plastic, Natural, Chrysler, Dodge, Each

Part Number: RNB-603-307

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today