Metal Where Plastic Commonly Fails
Upgraded designs target predictable weak spots in cooling and oil systems.
Upgraded Parts
“Better Than OE” Is Better for Your Business
Not every factory part is built with long-term durability in mind.
When plastic connectors crack, housings warp, or fittings fail after repeated heat cycles, replacing the part with the same design doesn’t solve the root issue.
Rein develops upgrade components to address the failure points technicians see most often, correcting known weak spots while maintaining OE-style fit and installation.
Designed to Address Known Failure Points
OE-Style Fit and Installation
Repairs stay straightforward without adding unnecessary complexity.
Focused on Repeat Failure Prevention
Built to help reduce returns related to premature component failure.
Application-Specific Coverage
Developed using research and technician-informed failure data.
Available Rein Upgraded Solutions
Expand each product group below to view part numbers and included components.
COOLANT HOSE CONNECTORS
Rein Upgraded Coolant Hose Connectors feature aluminum construction to resist cracking and leaks commonly seen on plastic OE connectors from thermal cycling and hydrolysis.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| COOLANT HOSE METAL CONNECTOR | CHC0609 | Multiple | BMW | Includes clamp |
| COOLANT HOSE METAL CONNECTOR | CHU0718 | 11127810707 | BMW | Includes gasket |
| COOLANT HOSE METAL CONNECTOR | CHU0929 | 11118511205 | BMW / MINI | Includes gasket |
| COOLANT HOSE METAL CONNECTOR | CHU0939 | 11127806196 | BMW | Includes gasket |
| COOLANT HOSE METAL CONNECTOR | CHU0940 | 11118619408 | BMW | Includes gasket |
| COOLANT HOSE METAL CONNECTOR W/ SENSOR | CHK0940 | 11118619408 | BMW | Includes temperature sensor and gasket |
| COOLANT HOSE METAL CONNECTOR W/ SENSOR | CHU0648 | 06D121132C | AUD | Includes temperature sensor and O-ring |
| COOLANT FLANGE REPLACEMENT KIT | CHU1648 | 06D121132C | AUD | Includes factory-style heater hose and/or radiator hose, thermostat assembly, vacuum pump gasket, water hose, and upgraded aluminum connector. |
COOLANT HOSES
Rein Upgraded Water Hoses feature an aluminum flange to prevent leaks previously caused by a brittle plastic OE connector.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| WATER HOSE W/ METAL FLANGE | CHU0457 | 11537545890 | BMW | Pre-mounted metal connector |
| WATER HOSE W/ METAL FLANGE | CHU0465 | 11537544638 | BMW | Pre-mounted metal connector |
| WATER HOSE W/ METAL FLANGE | CHU0484 | 11537541992 | BMW | Pre-mounted metal connector |
| WATER HOSE W/ METAL FLANGE | CHU0542 | 11537603514 | BMW | Pre-mounted metal connector |
| WATER HOSE W/ METAL FLANGE | CHU0546 | 11537580969 | BMW | Pre-mounted metal connector |
| WATER HOSE W/ METAL FLANGE | CHU0552 | 11537552339 | BMW | Pre-mounted metal connector |
| WATER HOSE W/ METAL FLANGE | CHU0566 | 11537550062 | BMW | Pre-mounted metal connector |
Rein Upgraded Turbocharger Coolant Lines feature a metal T-fitting to eliminate failure point in OE plastic turbo coolant lines.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| TURBOCHARGER COOLANT LINE | CHU0719 | 2782001000 | MER | Upgraded metal T-fitting |
| TURBOCHARGER COOLANT LINE | CHU0746 | 11539845352 | MINI | Upgraded metal T-fitting |
| TURBOCHARGER COOLANT LINE | CHU0755 | 11537637059 | BMW | Upgraded metal T-fitting |
| TURBOCHARGER COOLANT LINE | CHU0902 | 11537577012 | BMW | Upgraded metal T-fitting |
COOLANT PIPES
Rein Upgraded Coolant Pipes feature aluminum construction to eliminate cracking commonly seen on plastic OE pipes from thermal cycling and hydrolysis.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| COOLANT PIPE | CHU0589 | 11537589713 | BMW | Includes O-ring and clip |
| COOLANT PIPE | CHU0680 | 06J121065F | BMW | Includes O-ring |
| COOLANT PIPE | CHU0681* | 1K0121070BD | BMW | Includes clamps |
| COOLANT PIPE | CHU0753 | 06E121065N | BMW | Includes O-ring |
| COOLANT PIPE | CHU0774 | 06H121065D | BMW | Includes O-ring |
| *Steel construction | ||||
OIL FILTER HOUSINGS
Rein Upgraded Oil Filter Housings feature an aluminum housing to prevent warping and cracking for longer service life.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| OIL FILTER HOUSING | HEU0115 | 11428596283 | BMW | Includes oil cooler, OEM filter, and mounting hardware. |
| OIL FILTER HOUSING | HEU0116 | 11428583895; 11428583901 | BMW | Includes oil cooler, OEM filter, and mounting hardware. |
PULLEYS
Rein Upgraded Power Steering Pump Pulleys feature aluminum construction to resist deformation and belt slip under load.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| POWER STEERING PUMP PULLEY | PKP0244 | 32427537862 | BMW | Includes mounting hardware |
| POWER STEERING PUMP PULLEY | PKP0245 | 32427582947 | BMW | Includes mounting hardware |
| POWER STEERING PUMP PULLEY | PKP0246 | 32427553955 | BMW | Includes mounting hardware |
Rein Upgraded Water Pump Pulley Kits feature an aluminum pulley to replace the OE plastic pulley and prevent cracking and belt wear.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| WATER PUMP PULLEY KIT | PKW0001 | PQS101272L; 11511730554 | BMW | Includes belt and mounting hardware |
| WATER PUMP PULLEY KIT | PKW0002 | 11511436590 | BMW | Includes belt and mounting hardware |
WATER PUMP SERVICE KITS
Rein Water Pump Service Kits feature an OE water pump with upgraded aluminum flange to address OE plastic flange failure and prevent repeat repairs.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| WATER PUMP SERVICE KIT | WPS0500 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0501 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0502 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0503 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0504 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0505 | 11517632426 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0506 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0507 | 11517632426 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0508 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0509 | 11517586925 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0510 | 99610215168; 99610601361 | POR | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0511 | N/A | POR | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0514 | 99710601105; 99710601106 | POR | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0515 | 99610601157 | POR | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0517 | 11518635089 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0518 | 11518635089 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0519 | 11518635089 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
| WATER PUMP SERVICE KIT | WPS0520 | 11518635089 | BMW | Includes OEM water pump and thermostat assemblies with all necessary mounting hardware, unique REIN coolant hoses, and an upgraded metal hose connector. |
Rein Water Pump Service Kits w/ Metal Impeller feature an upgraded water pump with metal impeller to resist degradation compared to plastic alternatives.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| WATER PUMP SERVICE KIT W/ METAL IMPELLER | WPS0521 | 11517648827; 11538674895 | MINI | Includes upgraded water pump w/ metal impeller, water pump gasket, plastic coolant pipe, latest thermostat by application, and necessary hardware. |
| WATER PUMP SERVICE KIT W/ METAL IMPELLER | WPS0522 | 11517648827; 11538699290 | MINI | Includes upgraded water pump w/ metal impeller, water pump gasket, plastic coolant pipe, latest thermostat by application, and necessary hardware. |
Rein Upgraded Water Pump Service Kits feature aluminum construction with additional upgraded components to eliminate leaks from plastic housings and improve durability for a longer service life.
| Product Description | Part No. | OE Ref. | Make | Included Components |
|---|---|---|---|---|
| UPGRADED WATER PUMP SERVICE KIT | WPU0016 | 06H121026DD | AUD / VW | Includes water pump with upgraded aluminum thermostat housing, upgraded gasket, OE belt, and necessary hardware. |
| UPGRADED WATER PUMP SERVICE KIT | WPU0505 | 11515A05704 | BMW | Includes upgraded electric water pump with aluminum housing, REIN problem solver hoses, aluminum mickey mouse flange, thermostat assemblies, and necessary mounting hardware. |
| UPGRADED WATER PUMP SERVICE KIT | WPU0507 | 11515A05704 | BMW | Includes upgraded electric water pump with aluminum housing, REIN problem solver hoses, aluminum mickey mouse flange, thermostat assemblies, and necessary mounting hardware. |
| UPGRADED WATER PUMP SERVICE KIT | WPU0521 | 11517648827; 11538674895 | MINI | Includes upgraded water pump w/ metal impeller, water pump gasket, upgraded aluminum coolant pipe, latest thermostat by application, and necessary hardware. |
| UPGRADED WATER PUMP SERVICE KIT | WPU0522 | 11517648827; 11538699290 | MINI | Includes upgraded water pump w/ metal impeller, water pump gasket, upgraded aluminum coolant pipe, latest thermostat by application, and necessary hardware. |
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