Home
Search
coolant expansion tank

Showing 3 results for "coolant expansion tank"

Show 26 results from our full catalog that may not fit your selected vehicle

Sort By:

BMW Coolant Expansion Tank - 17137642160

2X Entries Into Our F80 M3 Sweepstakes

T#:45791749

Part#: 17137642160

In Stock

$ 85.00

This product was last offered at the strikethrough price on
04-28-2026

$ 79.99 USD

Add to Wish List

Qty

$ 79.99 USD

Add to Wish List

Expansion tanks take constant abuse from high heat and harsh coolant, making them prone to cracking or failure over time. A damaged tank can quickly lead to overheating and serious engine damage, so replacement is critical at the first sign of trouble. Features: Direct fitment for hassle-free installation Precision-molded to OE specs for perfect sensor and hose connections Durable construction stands up to extreme heat and coolant chemicals Factory pressure-tested for reliable performance

Coolant Expansion Tank

2X Entries Into Our F80 M3 Sweepstakes

T#:17704748

Part#: 17138677649

In Stock

$ 118.99 USD

Add to Wish List

Qty

$ 118.99 USD

Add to Wish List

Coolant Expansion Tank

w/o Cap

2X Entries Into Our F80 M3 Sweepstakes

T#:57086700

Part#: 17137642158

Ships in 3 Business Days

$ 55.99 USD

Add to Wish List

Qty

$ 55.99 USD

Add to Wish List

The factory expansion tank is one of the most common failure points in modern BMW cooling systems, often failing along seam welds or developing micro-cracks around fluid quick-connect fittings. Replacing a degraded reservoir with this direct-fit Rein expansion tank restores pressure containment, ensures accurate coolant expansion volume, and prevents fluid loss before it turns into severe engine damage.

Project Cars

SELECT YOUR BMW

Showing 3 results for "coolant expansion tank"

BMW Coolant Expansion Tank - 17137642160

Coolant Expansion Tank

Coolant Expansion Tank

Select Vehicle

Category

Brand

Price

Special Offers

Shipping

Narrow Results