Rein CHK0198P Radiator Coolant Hose Kit - Lower - Radiator To Thermostat

Brand Rein CHK0198P
Position Lower - Radiator To Thermostat
Application Type ApplicationSpecific
Centerline Length Inches 19.0900
Centerline Length Metric 48.4886000
Color Black
Container Type BG
Country of Origin TR
Heat Shield Inc No
Hose End 1 Inside Diameter Inches 1.8100
Hose End 1 Inside Diameter Metric 4.5974000
Hose End 1 Outside Diameter Inches 2.0900
Hose End 1 Outside Diameter Metric 5.3086000
Hose End 2 Inside Diameter Inches 0.8300
Hose End 2 Inside Diameter Metric 2.1082000
Hose End 2 Outside Diameter Inches 0.9500
Hose End 2 Outside Diameter Metric 2.4130000
Hose End 3 Inside Diameter Inches 1.8100
Hose End 3 Inside Diameter Metric 4.5974000
Hose End 3 Outside Diameter Inches 2.0500
Hose End 3 Outside Diameter Metric 5.2070000
Hose Material EPDM
Hose Type Single
Item Height 3.0000
Item Length 12.0000
Item Level GTIN 843266038352
Item Qty 1
Item UOM EA
Item Weight 0.3850
Item Weight Unit UOM LB
Item Width 7.0000
Link to Manufacturer Page www.reinautomotive.com
Maximum Working Pressure 50.0000
Product Desc Invoice 40 Rein Radiator Hose Kit
Product Desc Long 80 Rein OE Quality Radiator Hose Kit
Product Desc Short 20 Radiator Hose Kit
Protective Shield Inc No
Qty of Quick Connect Fittings 1
Tech Note Complete OE Quality Direct Fit European Hose
Fits BMW · 6 vehicles

OE quality direct fit. Matches the original hose assembly for straightforward replacement.

Preinstalled temperature sensor. Helps reduce installation time and avoid reusing old sensors.

EPDM construction. Resists heat, salt, road debris, oil, and other contaminants.

$79.24Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $79.24
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Radiator Hose Kit for BMW X3

The Rein CHK0198P radiator coolant hose kit is built for European cooling systems that require a direct OE-style replacement. It is designed for the 2004-2006 BMW X3 lower radiator to thermostat application and includes a preinstalled temperature sensor to reduce installation time and avoid reusing aging sensor components.

For BMW X3 cooling system service, Rein CHK0198P follows the original hose layout and connection style, including thermoplastic quick connect fittings. The hose is made from EPDM for resistance to heat, salt, road debris, oil, and other contaminants.

  • Direct-fit radiator coolant hose kit for the lower radiator to thermostat position
  • Preinstalled temperature sensor helps reduce comebacks from reused sensors
  • OE-style branch shape and quick connect fitment
  • No cutting, refitting, or adjusting required
  • EPDM construction for cooling-system durability
  • Resistant to heat, salt, road debris, oil, and other contaminants

Fitment Details

Compatible With 2004-2006 BMW X3, lower - radiator to thermostat. This fitment includes the temperature switch and quick connectors noted for the application. The Rein CHK0198P is a direct replacement for the original hose assembly on this BMW X3 cooling circuit.

Common Problems This Part Addresses

  • Coolant leaks at worn hose connections or quick connectors
  • Repeat repairs caused by reusing old o-rings or temperature sensors
  • Fitment issues from trimming or refitting a universal hose
  • Cooling-system service delays from mismatched hose geometry
  • Heat and contamination damage to aging EPDM hose assemblies

Installation Notes

Install as a direct OE-style replacement on the specified BMW X3 lower radiator to thermostat location. Verify connector engagement, hose routing, and sensor connection before returning the vehicle to service. Because the temperature sensor is preinstalled, there is no need to transfer the old sensor during replacement.

Quality Assurance

Rein positions this hose kit as an OE-quality replacement for European vehicles, with dimensions and connector design matched to the original assembly. Part number CHK0198P is engineered for direct-fit service on the listed BMW X3 application.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006BMWX33.0LL6Lower - Radiator To ThermostatIncl. Temp. Switch, w/Quick Connectors, Use Until Inventory Is Depleted
2006BMWX32.5LL6Lower - Radiator To ThermostatIncl. Temp. Switch, w/Quick Connectors, Use Until Inventory Is Depleted
2005BMWX32.5LL6Lower - Radiator To ThermostatIncl. Temp. Switch, w/Quick Connectors, Use Until Inventory Is Depleted
2005BMWX33.0LL6Lower - Radiator To ThermostatIncl. Temp. Switch, w/Quick Connectors, Use Until Inventory Is Depleted
2004BMWX32.5LL6Lower - Radiator To ThermostatIncl. Temp. Switch, w/Quick Connectors, Use Until Inventory Is Depleted
2004BMWX33.0LL6Lower - Radiator To ThermostatIncl. Temp. Switch, w/Quick Connectors, Use Until Inventory Is Depleted