HomeHVAC > Hoses and PipesRein CHH0842 HVAC Heater Hose
Part #: CHH0842

Rein CHH0842 HVAC Heater Hose

⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Tesla, 3
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OE Heater Hose for Tesla Model 3

Rein CHH0842 is an OE-quality HVAC heater hose built as a direct replacement for the original hose assembly. It is shaped to match the factory routing and uses thermoplastic quick-connect fittings for a precise fit on 2017-2023 Tesla Model 3 applications.

  • Direct replacement heater hose for HVAC system service
  • Plastic construction with black finish
  • Thermoplastic quick-connect fittings for OE-style connection points
  • End 1 inside diameter: 23.88 mm
  • End 2 inside diameter: 23.88 mm
  • End 1 outside diameter: 41.33 mm
  • End 2 outside diameter: 41.33 mm
  • No clamps included

Detailed Product Information

Rein CHH0842 is engineered for the Tesla Model 3 heater circuit and follows the original hose size, branch shape, and connector style used by the factory assembly. This makes it a practical OE-style replacement when servicing the HVAC system on 2017, 2018, 2019, 2020, 2021, 2022, and 2023 Tesla Model 3 vehicles. This part cross-references OE numbers 107760000C and 107760000E for the same application.

Common Repair Uses

  • Cracked or brittle heater hose replacement
  • Leak repair at quick-connect hose ends
  • Restoring heater coolant flow in the HVAC circuit
  • Replacing a damaged factory hose assembly on Tesla Model 3
  • Addressing coolant seepage from worn plastic hose connections

Installation Notes

Verify hose routing, connector engagement, and diameter match before installation. Transfer any reusable components from the original assembly if required by the vehicle configuration, and inspect adjacent coolant lines and fittings for wear during service. Confirm the system is properly filled and bled after installation.

Quality Assurance

Rein designs this heater hose as an OE-quality replacement for factory-style fitment and connection geometry. It is built to match the original manufacturer’s size and shape requirements for Tesla Model 3 HVAC service.

BrandRein
Part NumberCHH0842
MaterialPlastic
ColorBlack
Clamps IncludedNo
End 1 Inside Diameter23.88
End 2 Inside Diameter23.88
End 1 Outside Diameter41.33
End 2 Outside Diameter41.33

This part fits 7 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2023Tesla3RWD-L--BATTERY EV (EV/BEV)N/A
2022Tesla3RWD-L--BATTERY EV (EV/BEV)N/A
2021Tesla3RWD-L--BATTERY EV (EV/BEV)N/A
2020Tesla3RWD-L--BATTERY EV (EV/BEV)N/A
2019Tesla3RWD-L--BATTERY EV (EV/BEV)N/A
2018Tesla3RWD-L--BATTERY EV (EV/BEV)N/A
2017Tesla3-L--BATTERY EV (EV/BEV)N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

107760000C107760000E

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.