Rein CHE0943 Engine Coolant Hose

Brand Rein CHE0943
Hose End 1 Outside Diameter 0.945
Hose End 2 Outside Diameter 0.945
Hose End 1 Inside Diameter 0.630
Hose End 2 Inside Diameter 0.630
Fits BMW · 3 vehicles

OE-style replacement. Direct replacement coolant hose for original-equipment service.

OEM-shaped design. Matches the original branch layout and connector style.

European vehicle focus. Built for OE-quality cooling system repairs.

Cross-references 17127535528 for the same application. See all 1.

$57.31Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $57.31
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Coolant Hose Replacement

Rein CHE0943 is an engine coolant hose built as a direct replacement for the original hose assembly. It is made for European vehicle cooling systems and follows the OEM shape and branch sizing for a precise service fit.

  • Direct replacement coolant hose for OE-style service.
  • Thermoplastic quick-connect fittings match the original design.
  • Consistent hose sizing with 0.945 in. outside diameter ends and 0.630 in. inside diameter ends.
  • Engineered for BMW cooling system repair where the original hose has aged or failed.

Fitment Details

Compatible with BMW X3 2018-2019 and BMW X4 2019. Fits 2018-2019 BMW X3, N/A. Fits 2019 BMW X4, N/A.

This part cross-references BMW 17127535528 for the same application.

Common Replacement Reasons

  • Cracked or brittle coolant hose material.
  • Leaking quick-connect or hose junctions.
  • Loss of coolant from a damaged hose assembly.
  • Cooling system service after hose swelling or deformation.

Installation Notes

Verify hose routing, branch orientation, and connector engagement before installation. Match the original hose assembly layout and confirm the connection points are fully seated before refilling the cooling system.

Quality Assurance

Rein Automotive OE quality hoses are built to match original manufacturer specifications for European applications, including the original hose shape and connector style.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2019BMWX32.0LL4
2019BMWX42.0LL4
2018BMWX32.0LL4
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
17127535528