Showing 61 results for "coolant expansion tank"

Sort By:

Rein - Corporate Logo
T#:592006
Part#: 17127541146
In Stock at Vendor
$ 36.99 USD
Free Shipping on orders $49 and up
Replace your leaking hose
Rein - Corporate Logo
T#:379672
Part#: 17127508013
Ships in 3 Business Days
$ 60.99

This product was last offered at the strikethrough price on
10-22-2026

$ 35.19 USD
Free Shipping
$ 35.19 USD
Free Shipping
A commonly leaking hose
Rein - Corporate Logo
T#:591993
Part#: 17127519258
Ships in 3 Business Days
$ 56.99 USD
Free Shipping
$ 56.99 USD
Free Shipping
Connects between the top of the radiator and the bottom of the expansion tank

Rein Expansion Tank Hose - 11531439123 - E53 X5
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:375341
Part#: 11531439123
Ships in 3 Business Days
$ 32.99

This product was last offered at the strikethrough price on
10-22-2026

$ 31.09 USD
Free Shipping on orders $49 and up
$ 31.09 USD
Free Shipping on orders $49 and up

Rein - Corporate Logo
T#:34080754
Part#: 17127578405
Ships in 3 Business Days
$ 47.99 USD
Free Shipping on orders $49 and up

Water Hose - Expansion Tank to Radiator (Vent Hose) is an essential component for maintaining the proper function of your BMW’s cooling system. This high-quality hose ensures efficient coolant flow between the expansion tank and radiator, preventing overheating and reducing the risk of coolant leaks. Designed to meet or exceed OEM specifications, the Water Hose - Expansion Tank to Radiator (Vent Hose) provides a perfect fit for reliable, long-lasting performance. Available through Turner Motorsport, this hose is a direct-fit replacement that ensures seamless installation and superior engine cooling.

  • Specifically engineered for BMW models to guarantee a perfect fit
  • Ensures proper coolant flow between the expansion tank and radiator
  • Prevents overheating and reduces the risk of coolant leaks
  • Made from durable, heat-resistant materials for long-lasting performance
  • Direct-fit replacement for easy installation without modifications
  • Meets or exceeds OEM specifications for reliable performance

Upgrade your BMW’s cooling system with the Water Hose - Expansion Tank to Radiator (Vent Hose), ensuring optimal engine performance and protection against overheating.

Show More Show Less
Rein - Corporate Logo
T#:594318
Part#: 17127624676
In Stock at Vendor
$ 39.99 USD
Free Shipping on orders $49 and up
Replacement water hose from Rein

Rein Expansion Tank Hose - 64218376153 - E46
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:363453
Part#: 64218376153
Ships in 3 Business Days
$ 80.99

This product was last offered at the strikethrough price on
06-16-2026

$ 34.99 USD
Free Shipping on orders $49 and up
$ 34.99 USD
Free Shipping on orders $49 and up
Expansion tank to heater core
Rein - Corporate Logo
T#:34181285
Part#: 17129845173
Ships in 2 Business Days
$ 29.99 USD
Free Shipping on orders $49 and up

Rein Cylinder Head Expansion Tank Hose CHE0925 is a top-quality component designed specifically for BMW vehicles, ensuring optimal coolant flow between the cylinder head and expansion tank. This hose is engineered to withstand high engine temperatures and pressures, preventing coolant leaks and safeguarding the engine from overheating. The Rein Cylinder Head Expansion Tank Hose CHE0925 is perfect for BMW enthusiasts who prioritize vehicle reliability and performance.

Manufactured from premium materials, this hose guarantees durability and longevity under demanding conditions. Its precise design ensures a perfect fit, making installation easy for both professional mechanics and DIY car enthusiasts. Available from Turner Motorsport, this product is an excellent choice for anyone looking to maintain peak engine performance.

Key Benefits:

  • Designed specifically for BMW vehicles to ensure a perfect fit and compatibility
  • Regulates coolant flow, preventing engine overheating and damage
  • Made from high-quality, durable materials that withstand extreme engine conditions
  • Easy installation for quick maintenance and hassle-free replacement
  • Ideal for both professional mechanics and DIY car enthusiasts
  • Available from Turner Motorsport, a trusted supplier of BMW parts

The Rein Cylinder Head Expansion Tank Hose CHE0925 is a must-have part for maintaining the cooling efficiency and overall health of your BMW engine.

Show More Show Less

Rein Expansion Tank Hose - 11537500735 - E53 X5
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:375755
Part#: 11537500735
In Stock at Vendor
$ 24.99

This product was last offered at the strikethrough price on
10-22-2026

$ 23.09 USD
Free Shipping on orders $49 and up
$ 23.09 USD
Free Shipping on orders $49 and up
To maintain peak performance, a BMW's cooling system must remain perfectly pressurized. On the E53 X5, the expansion tank hose acts as a vital conduit in this thermal cycle, managing the flow of expanding coolant back and forth between the auxiliary water pump and reservoir. Over years of severe under-hood heat cycles, the factory rubber loses its elasticity and the plastic connectors turn brittle, establishing a high risk for spontaneous splitting.
Show More Show Less

Rein - Corporate Logo
T#:34080737
Part#: 17128651450
Back Ordered
$ 57.99 USD
Free Shipping on orders $49 and up

Radiator Expansion Tank Vent Line Hose is an essential component designed to maintain the proper functioning of your BMW’s cooling system. This high-quality hose ensures that excess pressure is properly vented from the radiator expansion tank, helping to prevent overheating and coolant leaks. Built to meet or exceed OEM standards, the Radiator Expansion Tank Vent Line Hose offers a direct-fit solution for reliable and efficient performance. Available through Turner Motorsport, this hose ensures long-lasting durability and a seamless installation process.

  • Designed specifically for BMW models, ensuring perfect fit and compatibility
  • Helps regulate pressure within the radiator expansion tank, preventing overheating
  • Reduces the risk of coolant leaks and engine damage
  • Manufactured from durable, heat-resistant materials for long-lasting performance
  • Easy, direct-fit replacement for hassle-free installation
  • Meets or exceeds OEM specifications for superior reliability and efficiency

Upgrade your BMW’s cooling system with the Radiator Expansion Tank Vent Line Hose to ensure optimal engine performance and prevent costly repairs.

Show More Show Less
Expansion Tank Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379785
Part#: 17111737819
Back Ordered
$ 26.99 USD
Free Shipping on orders $49 and up
Connects the expansion tank to the radiator