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2015 MINI Cooper Coupe John Cooper Works Coupe N18B16C

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2015 MINI Cooper Coupe John Cooper Works Coupe N18B16C Expansion Tank Hoses

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Coolant Pipe - Return Line

ES#4509171 - 11539845352 - Coolant Pipe - Return Line - Attaches from the auxiliary water pump to thermostat housing and expansion tank. Upgraded metal "T" connection! - Rein - MINI

Attaches from the auxiliary water pump to thermostat housing and expansion tank. Upgraded metal "T" connection! 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4509171
Mfg#:
11539845352
In Stock
ON SALE!
$60.99

This product was last offered at the strikethrough price on
08-31-2026

$57.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return Line

ES#4608495 - 11539845352-PRM - Coolant Pipe - Return Line - Attaches from the auxiliary water pump to thermostat housing and expansion tank. Upgraded metal "T" connection! - URO Premium - MINI

Attaches from the auxiliary water pump to thermostat housing and expansion tank. Upgraded metal "T" connection! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4608495
Mfg#:
11539845352-PRM
In Stock
$54.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return Line T Fitting Repair Kit

ES#4338585 - 11539845352KT - Coolant Pipe - Return Line T Fitting Repair Kit - Used as a modification to fix the common T fitting - Assembled By ECS - MINI

Used as a modification to fix the common T fitting 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4338585
Mfg#:
11539845352KT
In Stock
ON SALE! SAVE 10%
$34.99

This product was last offered at the strikethrough price on
05-02-2026

$31.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return Line

ES#4041118 - 11539845352 - Coolant Pipe - Return Line - Attaches from the auxiliary water pump to thermostat housing and expansion tank. - Genuine MINI - MINI

Attaches from the auxiliary water pump to thermostat housing and expansion tank.

Brand:
Genuine MINI - Corporate Logo
ES#:
4041118
Mfg#:
11539845352
In Stock
Limited Qty Sale
$106.99

This product was last offered at the strikethrough price on
06-08-2026

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return Line

ES#4818951 - 11539845352 - Coolant Pipe - Return Line - Attaches from the auxiliary water pump to thermostat housing and expansion tank. - Bremmen Parts - MINI

Attaches from the auxiliary water pump to thermostat housing and expansion tank. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818951
Mfg#:
11539845352
In Stock
$47.99 USD
Free Shipping
on orders $49 and up

Coolant Pipe - Brass T Fiting

ES#4338584 - 11539845352 - Coolant Pipe - Brass T Fiting - Used as a modification to fix the common T fitting - Bremmen Parts - MINI
ECS Tuning recommends this product.

Used as a modification to fix the common T fitting 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4338584
Mfg#:
11539845352
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#3499719 - 17122754231 - Coolant Hose - Mounts to the side of the expansion tank - Rein - MINI

Mounts to the side of the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499719
Mfg#:
17122754231
In Stock
ON SALE!
$12.99

This product was last offered at the strikethrough price on
08-31-2026

$12.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#38271 - 17122754231 - Coolant Hose - Mounts to the side of the expansion tank - Genuine MINI - MINI

Mounts to the side of the expansion tank

Brand:
Genuine MINI - Corporate Logo
ES#:
38271
Mfg#:
17122754231
Ships in 7 Business Days
19% off MSRP

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

$46.65

This product was last offered at the strikethrough price on
09-07-2026

$37.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#3172431 - 17122754231 - Coolant Hose - Mounts to the side of the expansion tank - Vaico - MINI

Mounts to the side of the expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3172431
Mfg#:
17122754231
Ships in 1 Business Day
$30.99

This product was last offered at the strikethrough price on
05-07-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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