Dorman OE Solutions Engine Coolant Reservoir for 2018-2019 BMW X5 X6 603-361
Dorman OE Solutions Engine Coolant Reservoir for 2018-2019 BMW X5 X6 603-361
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95 in stock
Shipping & returns
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
Read the full return policyReturn details & how to start
Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
- Shipping dimensions (L × W × H)
- Shipping weight
- 7.0 lb
- Barcode
- 30037495056572
Billable shipping weight; may include dimensional weight.
Pressurized coolant reservoir for 2018-2019 BMW X5 and 2019 BMW X6 used to replace cracked or leaking factory expansion tanks.
Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials engineered to withstand underhood heat and engine vibration while matching the original part's fit and function.
Key Features
- Direct replacement for specific BMW OEM part numbers including 17137647290 and 17117639021
- Constructed from durable materials designed to resist thermal stress and cracking
- Engineered to match original equipment form, fit, and function
- Validated through testing to ensure dependable performance
- Manufactured by Dorman with over 100 years of automotive aftermarket experience
Benefits
- Restores proper cooling system pressure to prevent overheating issues
- Eliminates coolant leaks caused by worn or damaged factory reservoirs
- Ensures a smooth installation process with direct-fit design
- Reduces the risk of repeat repairs through robust construction
- Provides a cost-effective solution compared to dealer-only parts
- Helps maintain optimal engine operating temperatures for daily driving
Application
This part is intended for owners of BMW X5 and X6 models experiencing coolant loss, visible cracks in the expansion tank, or pressure system failures requiring a trustworthy aftermarket replacement.
Fitment Notes
- Compatible with 2018-2019 BMW X5 models
- Compatible with 2019 BMW X6 models
- Verify vehicle compatibility using provided BMW part numbers before purchase
Why Choose Dorman - OE Solutions?
- Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function for a smoother installation and reliable results.
What's in the Box
- 1 Engine Coolant Reservoir
Item Dimensions
- Length: 11.9 inches
- Width: 9.5 inches
- Height: 8.3 inches
- Weight: 3.6 lbs
