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Dorman

Dorman Coolant Reservoirs

4.61 out of 5 stars 181 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.

Showing In Stock Items. Show All 13 Items.

Results 1 - 13 of 13

Dorman Coolant Reservoirs 54002

Dorman Coolant Reservoirs 54002

Dorman Coolant Reservoirs 54002

Overflow Tank, Rectangular, 72 oz. Capacity, Plastic, White, Economy, Non-Pressurized Cap, Bolt-in, Kit, For Summit Comparable Brand try SUM-RP23076

Part Number: RNB-54002

4.8 out of 5 stars ( 35 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-100

Dorman Coolant Reservoirs 603-100

Dorman Coolant Reservoirs 603-100

Coolant Overflow Tank, Plastic, White, Cadillac, Chevy, GMC, Each

Part Number: RNB-603-100

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-212

Dorman Coolant Reservoirs 603-212

Dorman Coolant Reservoirs 603-212

Overflow and Recovery Tank, Coolant Reservoir, Square Shape, Non-Pressurized Cap, Plastic, White with Black Top/Caps, Ford, Each

Part Number: RNB-603-212

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-054

Dorman Coolant Reservoirs 603-054

Dorman Coolant Reservoirs 603-054

Coolant Reservoir, Recirculating, Plastic, Black/White, Cap, Cadillac, Chevy, GMC, Each

Part Number: RNB-603-054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 54003

Dorman Coolant Reservoirs 54003

Dorman Coolant Reservoirs 54003

Overflow Tank, 72 oz. Capacity, Plastic, White, Deluxe, Pressurized Cap, Bolt-in, Mounting Basket, Kit

Part Number: RNB-54003

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs for 1994-1996 MUSTANG - 603-210

Dorman Coolant Reservoirs for 1994-1996 MUSTANG - 603-210

Dorman Coolant Reservoirs for 1994-1996 MUSTANG - 603-210

Coolant Reservoir, Ford, Each

Part Number: RNB-603-210

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-111

Dorman Coolant Reservoirs 603-111

Dorman Coolant Reservoirs 603-111

Coolant Reservoir, Chevy, GMC, Each

Part Number: RNB-603-111

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-056

Dorman Coolant Reservoirs 603-056

Dorman Coolant Reservoirs 603-056

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

Part Number: RNB-603-056

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs for 1996-1999 SABLE, TAURUS - 603-200

Dorman Coolant Reservoirs for 1996-1999 SABLE, TAURUS - 603-200

Dorman Coolant Reservoirs for 1996-1999 SABLE, TAURUS - 603-200

Coolant Fluid Reservoir, Plastic, Rectangular, 40 oz., 3/8 in. Hose Barb Inlet/Outlet, Universal, Each

Part Number: RNB-603-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs for 1995-2005 ASTRO, SAFARI - 603-039

Dorman Coolant Reservoirs for 1995-2005 ASTRO, SAFARI - 603-039

Dorman Coolant Reservoirs for 1995-2005 ASTRO, SAFARI - 603-039

Reservoir, Overflow, Plastic, Clear, Includes Coolant Reservoir, Chevrolet, GMC, Each

Part Number: RNB-603-039

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-5604

Dorman Coolant Reservoirs 603-5604

Dorman Coolant Reservoirs 603-5604

Non-Pressurized Coolant Reservoir

Part Number: RNB-603-5604

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs 603-027

Dorman Coolant Reservoirs 603-027

Dorman Coolant Reservoirs 603-027

Coolant Reservoir, Recirculating, Round, Plastic, White, Audi, Volkswagen, Each

Part Number: RNB-603-027

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

Dorman Coolant Reservoirs for 2008-2013 HIGHLANDER - 603-289

Dorman Coolant Reservoirs for 2008-2013 HIGHLANDER - 603-289

Dorman Coolant Reservoirs for 2008-2013 HIGHLANDER - 603-289

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

Part Number: RNB-603-289

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

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