Dorman Limited Lifetime Warranty Coolant Reservoir 603-861
Dorman Limited Lifetime Warranty Coolant Reservoir 603-861
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Dorman 603-861 Limited Lifetime Warranty
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.
Features & Benefits
- Durable construction - manufactured from quality materials to withstand underhood heat and vibration
- Direct replacement - this engine coolant reservoir matches the fit and function of the original part
- Trustworthy design - backed by 100 years of automotive aftermarket experience
- Ideal solution - engineered for a seamless installation
- Limited Lifetime Warranty
Specifications
| Model | Limited Lifetime Warranty |
| Weight | 1.32 lb |
| Dimensions | 10.02 x 7.87 x 6.8 in |
| Brand | Dorman |
| Manufacturer Part Number | 603-861 |
| UPC | 889245940193 |
Recommended Items
Commonly ordered accessories for this product:
| Item | Brand | Manufacturer Part Number | Description |
|---|---|---|---|
| Gloves | Perform Tool | W89007 | Gloves |
| Gloves | Perform Tool | W89006 | Gloves |
| Gloves | Perform Tool | W89005 | Gloves |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number 603-861 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
How much does this product weigh?
This item weighs approximately 1.32 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

