BMW Expansion Tank Hoses

Expansion tank return line

Brand:

ES#:

38371

Mfg#:

17127519259

6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$146.99

This product was last offered at the strikethrough price on
07-21-2026

$137.99 USD

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Lifetime Replacement

Nothing ruins a weekend drive faster than a brittle, leaking cooling hose. If your factory hose has seen better days, this precision-molded coolant recovery tank hose is the perfect weekend DIY fix to restore your cooling system's integrity. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5480651

Mfg#:

17128570061

Hose for the expansion tank to the water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:

ES#:

2602357

Mfg#:

11531289257

Designed to meet strict original equipment specifications, this tank is an essential preventive maintenance item or an instant fix for a cracked reservoir. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5480832

Mfg#:

314 223 0004

We Price Match - Give Us A Call or Chat!

Brand:

ES#:

4861042

Mfg#:

17129845173

Connects the lower expansion tank connection to the transmission heat exchanger We Price Match - Give Us A Call or Chat!

Brand:

ES#:

2881729

Mfg#:

17127808117

$230.99

This product was last offered at the strikethrough price on
04-15-2026

$75.99 USD

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on orders $49 and up

Lifetime Replacement

Connects the heat management module to the expansion tank's lower port 2X Entries For Our 25th Anniversary Sweepstakes!
For Pre-LCI models with the earlier Gen1 B46 engine only

Brand:

ES#:

5341131

Mfg#:

17127535536

Connects the expansion tank to the upper radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5341135

Mfg#:

17128651298

Additional Water Pump to Expansion Tank. 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:

ES#:

5339986

Mfg#:

11537500735

$23.99 USD

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on orders $49 and up

Lifetime Replacement

The updated 2-way coolant hose for your BMW 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:

ES#:

5339984

Mfg#:

17127593490