
603-285 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $74.99 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 99.2% |
![]() | $75.00 | Condition is New, Dorman 603-285 Coolant Reservoir fits Ford Mustang, FREE SHIPPING | 92.3% |
![]() | $85.95 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 99.1% |
![]() | $85.95 | Condition is New, Front Expansion Tank For 2015-2018 Ford Mustang 2016 2017 Dorman 603-285, FREE SHIPPING | 99.3% |
![]() | $86.99 | Condition is New, Dorman 603-285 Pressurized Coolant Reservoir Compatible with Select Ford Models, FREE SHIPPING | 100.0% |
![]() | $92.39 | Condition is New, Dorman 603 285 Pressurized Coolant Reservoir, FREE SHIPPING | 99.4% |
![]() | $95.57 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 for 15-23 Ford Mustang, FREE SHIPPING | ![]() |
![]() | $95.58 | Condition is New, Dorman 603-285 Coolant Reservoir fits Ford Mustang, FREE SHIPPING | ![]() |
![]() | $84.86 | Top Pick! Condition is New, For Ford Mustang 2015-2023 Dorman Engine Coolant Recovery Tank, shipping cost = $13.00 | 99.2% |
![]() | $99.86 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | ![]() |
![]() | $102.32 | Condition is New, Coolant Recovery Tank Dorman (OE Solutions) 603-285, FREE SHIPPING | 99.3% |
![]() | $102.64 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 99.6% |
![]() | $103.89 | Condition is New, Coolant Recovery Tank Dorman (OE Solutions) 603-285, FREE SHIPPING | 99.3% |
![]() | $104.26 | Top Pick! Condition is New, 603-285 Dorman Coolant Reservoir Front for Ford Mustang 2015-2020, FREE SHIPPING | 99.4% |
![]() | $104.74 | Condition is New, Coolant Recovery Tank Dorman (OE Solutions) 603-285, FREE SHIPPING | 99.4% |
![]() | $105.99 | Condition is New, Dorman 603-285 Pressurized Coolant Reservoir For 15-20 Ford Mustang, FREE SHIPPING | ![]() |
![]() | $107.10 | Condition is New, Dorman Engine Coolant Reservoir , PN# 603-285, FREE SHIPPING | 99.6% |
![]() | $107.24 | Condition is New, Dorman Oe Solutions Engine Coolant Reservoir P N 603 285, FREE SHIPPING | 99.4% |
![]() | $108.34 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 99.9% |
![]() | $83.20 | Condition is New, Genuine Dorman Pressurized Coolant Reservoir 603-285, shipping cost = $26.32 | 99.2% |
![]() | $98.50 | Top Pick! Condition is New, # 3285 Front Expansion Tank For 2015-2018 Ford Mustang 2016 2017 Dorman, shipping cost = $11.35 | 99.5% |
![]() | $109.20 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 98.9% |
![]() | $109.55 | Condition is New, Coolant Recovery Tank Dorman (OE Solutions) 603-285, FREE SHIPPING | 99.9% |
![]() | $110.73 | Condition is New, Coolant Recovery Tank Dorman (OE Solutions) 603-285, FREE SHIPPING | 99.5% |
![]() | $111.64 | Condition is New, Dorman 603-285 Coolant Reservoir for FR3Z8A080A DG9Z8100A Engine Belts tu, FREE SHIPPING | ![]() |
![]() | $114.22 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 99.5% |
![]() | $95.28 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, shipping cost = $20.00 | 99.5% |
![]() | $116.06 | Condition is New, DORMAN 603285 COOLANT RESERVOIR, FREE SHIPPING | 98.6% |
![]() | $118.32 | Condition is New, Dorman Engine Coolant Reservoir for 15-18 Ford Mustang 603-285, FREE SHIPPING | 99.8% |
![]() | $119.34 | Top Pick! Condition is New, Dorman Pressurized Coolant Reservoir 603-285, FREE SHIPPING | 99.7% |
![]() | $97.47 | Top Pick! Condition is New, Genuine Dorman Pressurized Coolant Reservoir 603-285, shipping cost = $23.91 | ![]() |
![]() | $121.80 | Condition is New, Engine Coolant Recovery Tank fits 2015-2018 Ford Mustang DORMAN OE SOLUTIONS, FREE SHIPPING | 99.5% |
![]() | $125.12 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 99.3% |
![]() | $126.69 | Condition is New, Dorman 603-285 Pressurized Coolant Reservoir, FREE SHIPPING | 99.4% |
![]() | $127.72 | Top Pick! Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | 98.8% |
![]() | $129.82 | Top Pick! Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | ![]() |
![]() | $133.67 | Top Pick! Condition is New, Dorman 603-285 Pressurized Coolant Reservoir Cap Compatible Select Ford Models, FREE SHIPPING | 97.2% |
![]() | $120.97 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, shipping cost = $27.09 | 99.6% |
![]() | $88.26 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, shipping cost = $76.05 | 99.6% |
![]() | $89.34 | Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, shipping cost = $76.05 | 99.8% |
![]() | $166.99 | Top Pick! Condition is New, Engine Coolant Reservoir-Recovery Tank Dorman 603-285 fits 15-20 Ford Mustang, FREE SHIPPING | ![]() |

The Dorman 603-285 Coolant Reservoir is a superior replacement part designed specifically for Ford Mustang vehicles. This coolant reservoir is engineered to meet or exceed the original equipment (OE) performance, ensuring reliable operation and long-lasting durability.
This coolant reservoir is made from high-quality materials, including reinforced polymer construction, that provides excellent resistance to corrosion, heat, and other harsh conditions. Its sleek design matches the OE part, maintaining the aesthetics of your Ford Mustang while providing essential engine cooling functions.
The Dorman 603-285 Coolant Reservoir comes with a capacity of approximately 1.7 quarts (1.6 liters), which is consistent with the OE reservoir. It features an easy-to-read, graduated marking scale on the side for accurate coolant level monitoring. This reservoir is also designed to fit securely in the engine compartment, ensuring a proper seal with minimal leaks.
The O-ring sealed cap on the Dorman coolant reservoir ensures a leak-free connection, preventing coolant loss and potential damage to engine components. The cap is designed with an integrated vent system that allows for proper pressure equalization, reducing the risk of overpressure and coolant loss during engine heating up or cooling down.
The Dorman 603-285 Coolant Reservoir is backed by a comprehensive warranty, providing you with peace of mind and confidence in your purchase. By choosing this replacement coolant reservoir for your Ford Mustang, you're not only ensuring optimal engine cooling performance but also preserving your vehicle's appearance and value.
Buying the Dorman 603-285 coolant reservoir for a Ford Mustang comes with several pros and cons that you may want to consider before making a purchase.
Pros:1. OEM Equivalence: This coolant reservoir is designed to be an OEM (Original Equipment Manufacturer) equivalent, ensuring a proper fit and function for your Ford Mustang.
2. Affordable: Compared to purchasing a new OEM coolant reservoir from a dealership, the Dorman 603-285 is typically more affordable.
3. High Quality: Dorman Products is known for its high-quality aftermarket parts, and this coolant reservoir is no exception. It is made from durable materials to withstand the rigors of automotive use.
4. Easy Installation: The coolant reservoir is straightforward to install, making it a DIY (Do-It-Yourself) friendly option for those comfortable working on their vehicles.
5. Wide Availability: The Dorman 603-285 coolant reservoir is widely available at various auto parts stores and online retailers, making it convenient to purchase.
Cons:1. Potential for Minor Differences: Although the Dorman 603-285 is an OEM equivalent, there may be minor differences in design or appearance compared to the original part. However, these differences are not likely to impact the functionality or performance of the coolant reservoir.
2. Possibility of Minor Leaks: Some customers have reported minor leaks from the coolant reservoir after installation. This issue can be addressed by properly torquing the coolant reservoir cap and ensuring a good seal with the gasket.
3. Limited Warranty: Dorman Products offers a limited warranty on their parts, which may not be as comprehensive as the warranty offered by an OEM. However, the warranty covers defects in materials and workmanship for a specified period.
In conclusion, the Dorman 603-285 coolant reservoir is an affordable, high-quality option for those in need of a replacement coolant reservoir for their Ford Mustang. While there are minor cons, such as potential differences in appearance and the possibility of minor leaks, the benefits generally outweigh the drawbacks. If you're comfortable performing the installation yourself or seeking the assistance of a professional, the Dorman 603-285 coolant reservoir is a solid choice.
Details:
specifications maxohvac:
- brand: Dorman
- mpn: 603-285
- type: Engine Coolant Reservoir
- warranty: 90 Day
- manufacturer warranty: 1 Year
- items included: Cap
- material: Plastic
- country/region of manufacture: United States
- universal fitment: No
offer maxohvac:
- sold #: 19
- in stock #: 5
- started: april 27, 2025
- availability: in stock
- options: ship-to-home
- prices: $74.99–$166.99
- item condition: New
payments maxohvac:
- credit card: discover
- wallet: paypal
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- carrier: usps
- type: calculated
- transit: 4-10 days
- class: standard
- service: usps ground advantage
returns maxohvac:
- policy: no returns
seller maxohvac:
- city: porterville, california
- # reviews: 23
- rating: 100.0%



















