Free Shipping Qualifying Orders Over $199
Secure Checkout
Dorman 603-125 Coolant Reservior

Thumbnail Filmstrip of Dorman 603-125 Coolant Reservior Images

    Upgrade your 2001-2007 GM 6.6L Duramax with the Dorman 603-125 Coolant Reservoir, the perfect solution for replacing that old, cracked coolant reservoir. Designed by Dorman to withstand the rigors of extreme temperature fluctuations, this Engine Coolant Recovery Tank is built to last. It's crafted from durable plastic that resists expansion and cracking, ensuring that your vehicle avoids coolant fluid loss and maintains optimal performance.


    • Direct Replacement: Engineered to fit seamlessly as a direct replacement.
    • Includes Reservoir Cap: Comes complete with a reservoir cap for a hassle-free installation.
    • Quality Tested For Trouble-Free Performance: Rigorously tested to ensure reliable, long-lasting function.
    • Cross Reference Numbers: Compatible with AC Delco Part#: RC98, GM OE Part#: 15085725, 15808714, and matches non-direct cross GM Part#: 15075118 for versatile use.

    By choosing the Dorman 603-125 Coolant Reservoir, you're opting for a product that not only fits perfectly but is also engineered for durability and reliability. With its comprehensive quality testing and compatibility with multiple part numbers, including those from AC Delco and GM, this coolant reservoir is the ideal choice for ensuring your vehicle's cooling system operates smoothly and efficiently, preventing coolant loss and protecting your engine from overheating.


    Purchase Dorman 603-125 Coolant Reservior

    Not Yet Rated!

    Dorman 603-125 Coolant Reservior SKU: dor603-125

    $63.95
    Fits: LB7|LLY|LBZ Duramax 2001-2007

     



    Sign up with your email to be notified when this product is back in stock!


    Upgrade your 2001-2007 GM 6.6L Duramax with the Dorman 603-125 Coolant Reservoir, the perfect solution for replacing that old, cracked coolant reservoir. Designed by Dorman to withstand the rigors of extreme temperature fluctuations, this Engine Coolant Recovery Tank is built to last. It's crafted from durable plastic that resists expansion and cracking, ensuring that your vehicle avoids coolant fluid loss and maintains optimal performance.



    Direct Replacement: Engineered to fit seamlessly as a direct replacement.
    Includes Reservoir Cap: Comes complete with a reservoir cap for a hassle-free installation.
    Quality Tested For Trouble-Free Performance: Rigorously tested to ensure reliable, long-lasting function.
    Cross Reference Numbers: Compatible with AC Delco Part#: RC98, GM OE Part#: 15085725, 15808714, and matches non-direct cross GM Part#: 15075118 for versatile use.

    By choosing the Dorman 603-125 Coolant Reservoir, you're opting for a product that not only fits perfectly but is also engineered for durability and reliability. With its comprehensive quality testing and compatibility with multiple part numbers, including those from AC Delco and GM, t[...]

    Upgrade your 2001-2007 GM 6.6L Duramax with the Dorman 603-125 Coolant Reservoir, the perfect solution for replacing that old, cracked coolant reservoir. Designed by Dorman to withstand the rigors of extreme temperature fluctuations, this Engine Coolant Recovery Tank is built to last. It's crafted from durable plastic that resists expansion and cracking, ensuring that your vehicle avoids coolant fluid loss and maintains optimal performance.


    • Direct Replacement: Engineered to fit seamlessly as a direct replacement.
    • Includes Reservoir Cap: Comes complete with a reservoir cap for a hassle-free installation.
    • Quality Tested For Trouble-Free Performance: Rigorously tested to ensure reliable, long-lasting function.
    • Cross Reference Numbers: Compatible with AC Delco Part#: RC98, GM OE Part#: 15085725, 15808714, and matches non-direct cross GM Part#: 15075118 for versatile use.

    By choosing the Dorman 603-125 Coolant Reservoir, you're opting for a product that not only fits perfectly but is also engineered for durability and reliability. With its comprehensive quality testing and compatibility with multiple part numbers, including those from AC Delco and GM, this coolant reservoir is the ideal choice for ensuring your vehicle's cooling system operates smoothly and efficiently, preventing coolant loss and protecting your engine from overheating.


    Add Ons

    No Questions asked yet!



    Review Dorman 603-125 Coolant Reservior
    No Reviews Yet!