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Rein Service Kits

The water pump is a known failure point on most BMWs, new and old. Sometimes it's best to completely service this area. Here you'll find water pump service kits!
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Rein Water Hose With Gasket - Water Pump To Engine Inlet
Rein Water Hose With Gasket - Water Pump To Engine Inlet
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:17804808
Part#: 11537584630R
Back Ordered
$ 40.99 USD
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$ 40.99 USD
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Rein OE quality water hoses are designed to be direct replacements for OE hoses and assemblies. This includes the hose and clamps.
Rein Water Pump Service Kit - N20
Rein Water Pump Service Kit - N20
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:14023850
Part#: 11518635089-1
Ships in 4 Business Days
Sale - Save 5% $ 777.99

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

$ 738.77 USD
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Sale - Save 5%
$ 777.99

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

$ 738.77 USD
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Kits include: water pump thermostat assembly head to thermostat hose w/ aluminum flange WP to engine hose WP to thermostat hose all necessary clamps and hardware This Rein water pump service kit addresses common coolant hose plastic flange failure and ensures that the water pump replacement repair is done right the first time. The water pump and thermostat are OEM Use of OE or Pentosin NF-G11 coolant is recommended
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Rein Water Pump Service Kit - N20
Rein Water Pump Service Kit - N20
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:14023854
Part#: 11518635089-2
Ships in 4 Business Days
Sale - Save 45% $ 1,309.99

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

$ 725.00 USD
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Sale - Save 45%
$ 1,309.99

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

$ 725.00 USD
Free Shipping on orders $49 and up
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Kits include: water pump thermostat assembly head to thermostat hose w/ aluminum flange WP to engine hose WP to thermostat hose all necessary clamps and hardware This Rein water pump service kit addresses common coolant hose plastic flange failure and ensures that the water pump replacement repair is done right the first time. The water pump and thermostat are OEM Use of OE or Pentosin NF-G11 coolant is recommended
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OEM Rein Water Pump W/ Installation Kit - BMW E82/88 E9X N52 3.0L
OEM Rein Water Pump W/ Installation Kit - BMW E82/88 E9X N52 3.0L ...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:45997535
Part#: WPS0502
In Stock at Vendor
Sale - Save 5% $ 811.99

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

$ 770.77 USD
Free Shipping on orders $49 and up
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Sale - Save 5%
$ 811.99

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

$ 770.77 USD
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Rein Electric Water Pump Replacement Kits offer a valuable solution to failure-prone cooling-related components on the N52 BMW engine platforms. At the heart of these kits are OEM electric water pumps, which are complemented by Rein's problem solver hoses.
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Rein Water Pump Service Kit - N20
Rein Water Pump Service Kit - N20
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:14023856
Part#: 11518635089-3
Special Order: No Guaranteed ETA
Sale - Save 24% $ 898.99

This product was last offered at the strikethrough price on
08-24-2026

$ 680.19 USD
Free Shipping on orders $49 and up
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Sale - Save 24%
$ 898.99

This product was last offered at the strikethrough price on
08-24-2026

$ 680.19 USD
Free Shipping on orders $49 and up
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Kits include: water pump thermostat assembly head to thermostat hose w/ aluminum flange WP to engine hose WP to thermostat hose all necessary clamps and hardware This Rein water pump service kit addresses common coolant hose plastic flange failure and ensures that the water pump replacement repair is done right the first time. The water pump and thermostat are OEM Use of OE or Pentosin NF-G11 coolant is recommended
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OEM Rein PRO Series Water Pump & Serpentine Belt Kit - BMW E60 535 N54 3.0L
OEM Rein PRO Series Water Pump & Serpentine Belt Kit - BMW E60 535 N5...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:38161726
Part#: RSW0021
Ships in 4 Business Days
Sale - Save 5% $ 711.23

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

$ 675.67 USD
Free Shipping on orders $49 and up
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Sale - Save 5%
$ 711.23

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

$ 675.67 USD
Free Shipping on orders $49 and up
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Includes a new electric water pump, serpentine belt, belt tensioners, and idler pulleys
Rein Water Pump Service Kit - N20
Rein Water Pump Service Kit - N20
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:14023861
Part#: 11518635089-4
Ships in 4 Business Days
Sale - Save 5% $ 898.99

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

$ 854.04 USD
Free Shipping on orders $49 and up
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Sale - Save 5%
$ 898.99

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

$ 854.04 USD
Free Shipping on orders $49 and up
Add to Wish List
Kits include: water pump thermostat assembly head to thermostat hose w/ aluminum flange WP to engine hose WP to thermostat hose all necessary clamps and hardware This Rein water pump service kit addresses common coolant hose plastic flange failure and ensures that the water pump replacement repair is done right the first time. The water pump and thermostat are OEM Use of OE or Pentosin NF-G11 coolant is recommended
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Water Pump Service Kit
Water Pump Service Kit
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:38161728
Part#: 11515A05704
Ships on Sep 21, 2026
Sale - Save 5% $ 749.99

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

$ 712.21 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 5%
$ 749.99

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

$ 712.21 USD
Free Shipping on orders $49 and up
Add to Wish List

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