Eponcia Coolant Cap Replacement Radiator Expansion Reservoir Cap for BMW 128i 320i 328i 330i 335i 530i 540i 640i 740i 840i X1 X3 X4 X5 X6 X7 Z4 Active Hybrid 3 5 7 2006-2025 17117639020 17117521071 — Open-Box, 27% Off

Name: Eponcia Coolant Cap Replacement Radiator Expansion Reservoir Cap for BMW 128i 320i 328i 330i 335i 530i 540i 640i 740i 840i X1 X3 X4 X5 X6 X7 Z4 Active Hybrid 3 5 7 2006-2025 17117639020 17117521071
Brand: Eponcia
SKU: awhd-us-b0fxf3f692
Price: 10.20 USD
Availability: InStock

Brand: Eponcia

Condition: Used - VeryGood

$10²⁰

$13⁹⁹

-27% Save $3⁷⁹

Updated: 3 days ago

Buy at Amazon.com

Description

Function: The coolant reservoir cap effectively addresses coolant leaks, engine overheating, abnormal cooling system pressure, and aging or damaged radiator caps. It's a vital component of the cooling system and provides pressure regulation

Compatible with Select BMW: This radiator cap fits for 2008-2013 BMW 128i/135i, 2017-2021 230i/230i xDrive, 2009-2016 328i xDrive, 2006/2017-2021 330i, 2017-2021 330i xDrive/430i/M240i xDrive, 2007-2015 335i, 2018-2023 530e/530e xDrive, 2013-2018 320i/320i xDrive, 2014- 2018 328d/328d xDrive, 2007-2016 328i, 2009-2015 335i xDrive, 2012-2016 528i, 2013-2017 535i GT xDrive

Compatible with Select BMW: The coolant cap fits for 2017-2023 530i/530i xDrive/540i/540i xDrive, 2012-2018 640i, 2020-2025 840i/840i Gran Coupe/840i xDrive/840i xDrive Gran Coupe, 2008-2013/2023-2025 M3, 2011-2024 X3, 2019-2025 X7, 2009-2016/2019 Z4, 2013-2019 640i Gran Coupe, 2014-2018 640i xDrive, 2014-2019 640i xDrive Gran Coupe, 2013-2022 740i, 2017-2022 740i xDrive, 2015-2025 X4/X6, 2009-2025 X5

Replacement Part Number: Our expansion tank cap perfectly replaces models 17117639020, 17117521071, 17-11-7-521-071, and 17-11-7-639-020. Please carefully check compatible models and years before purchasing to avoid purchasing the wrong model

Stable Performance: This coolant overflow tank cap is made of high-quality materials, durable and resistant to aging, ensuring superior quality and long-lasting performance. Strictly adhered to original manufacturer quality control standards

Coolant Cap Replacement Radiator Expansion Reservoir Cap for BMW 128i 320i 328i 330i 335i 530i 540i 640i 740i 840i X1 X3 X4 X5 X6 X7 Z4 Active Hybrid 3 5 7 2006-2025 17117639020

Buy at Amazon.com

Sold by

Amazon Warehouse

Verified Retailer

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-b0fxf3f692
Model:: Eponcia-BMSXG01
Country:: US
ASIN:: B0FXF3F692

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 $4 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 Eponcia 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.