Add to favorites
PPNZQAUT 603-351 Engine Coolant Reservoir Tank w/ Sensor & Cap Compatible with 2004-2011 BMW E60 E61 E63 E64 | 525xi 528i 530i 530xi 535i 535i xDrive 545i 550i 645Ci 650Ci 650i | Replaces# 17137542986 — Open-Box, 56% Off
Brand: PPNZQAUT
Condition: Used - Mint
$2143
$4821
-56% Save $2678
Updated: 2 days ago
Description
What Does a Coolant Reservoir Do? - A coolant reservoir is a small plastic tank that is connected to the radiator of a car’s cooling system. Its primary function is to provide a space for excess coolant to expand and contract as the engine heats up and cools down. Keep the engine operating at a normal temperature.
Part Numbers - 603-351, 603351, 17137542986, 17137519219, 17137521189, 17137555234. This radiator surge tank matches the fit and function of the original part. This is NOT a genuine part, it's an aftermarket replacement part.
Compatible with Select BMW Models - This radiator overflow tank is compatible with 2004-2010 BMW 525i, 2006-2007 BMW 525xi, 2008-2010 BMW 528i, 2009-2010 BMW 528i xDrive, 2008 BMW 528xi, 2004-2010 BMW 530i, 2006-2007 BMW 530xi, 2008-2010 BMW 535i, 2009-2010 BMW 535i xDrive, 2008 BMW 535xi, 2004-2006 BMW 545i, 2006-2010 BMW 550i, 2010 BMW 550i GT, 2004-2005 BMW 645Ci, 2006-2011 BMW 650Ci, 2006-2010 BMW 650i. Please check your compatibility before purchasing this reservoir tank.
Replacement Instruction - Turn off and cool down the car, disconnect the drain line, remove the retaining bolts and swap in the new reservoir tank. Professional installation is highly recommended.
Durable and Long Lasting - This Coolant Recovery Tank is manufactured from quality materials, durable and long lasting. It is thoroughly tested to ensure optimum fit and performance on specific vehicle applications.
Features -
Premium material.
Direct replacement.
Keeps the engine operating at a normal temperature.
Specifications-
Part Numbers: 603-351, 603351, 17137542986, 17137519219, 17137521189, 17137555234.
Color: Black
Sensor Included: Yes
Cap Included: Yes
Cap Maximum Pressure rating: 22 PSI
Cap Type: Spring Loaded Twist
Material: Quality Plastic
Pressurized: Yes
Compatible with select BMW Models -
2004 - 2010 BMW 525i
2006 - 2007 BMW 525xi
2008 - 2010 BMW 528i
2009 - 2010 BMW 528i xDrive
2008 BMW 528xi
2004 - 2010 BMW 530i
2006 - 2007 BMW 530xi
2008 - 2010 BMW 535i
2009 - 2010 BMW 535i xDrive
2008 BMW 535xi
2004 - 2006 BMW 545i
2006 - 2010 BMW 550i
2010 BMW 550i GT
2004 - 2005 BMW 645Ci
2006 - 2011 BMW 650Ci
2006 - 2010 BMW 650i
Package Included -
1 x Coolant Radiator Reservoir Tank
1 x Cap
Premium material.
Direct replacement.
Keeps the engine operating at a normal temperature.
Specifications-
Part Numbers: 603-351, 603351, 17137542986, 17137519219, 17137521189, 17137555234.
Color: Black
Sensor Included: Yes
Cap Included: Yes
Cap Maximum Pressure rating: 22 PSI
Cap Type: Spring Loaded Twist
Material: Quality Plastic
Pressurized: Yes
Compatible with select BMW Models -
Package Included -
1 x Coolant Radiator Reservoir Tank
1 x Cap
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0ckp7tj5t
- Model:
- 603-351
- Country:
- US
- ASIN:
- B0CKP7TJ5T
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $27 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for PPNZQAUT products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
![Sterlix Coolant Tank Fits Kenworth T680 T880 Peterbilt 579 2013-2017 [with Cap] Radiator Reservoir Tank Replacement Kenworth T680 T880 Peterbilt 579 Semi Trucks Engine Coolant Bottle Tank by Sterlix - Used condition - US$110.74](https://m.media-amazon.com/images/I/41wvXPXMR6L._SX600_.jpg)
![A-Premium Heavy Duty Pressurized Engine Coolant Overflow Recovery Reservoir Tank [with Cap & Sensor] Compatible with Kenworth T680, T880, 2017 2018 2019 2020 2021, Front by A-Premium - Used condition - US$99.74](https://m.media-amazon.com/images/I/41FUFEHkE8L._SX600_.jpg)
![A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with Hummer H1 by A-Premium - Used condition - US$18.05](https://m.media-amazon.com/images/I/41Ao8Q7OoxL._SX600_.jpg)
