HomeHVAC > Hoses and PipesRein CHH0845 HVAC Heater Hose
Part #: CHH0845

Rein CHH0845 HVAC Heater Hose

⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$82.36Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Tesla, S
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

OE Heater Hose for Tesla S

Rein CHH0845 is an OE-quality HVAC heater hose built as a direct replacement for the original hose assembly. It uses EPDM construction, black finish, and thermoplastic quick-connect style fitment details that match the factory layout for a clean service replacement on Tesla S applications.

Key Features

  • Direct replacement HVAC heater hose for factory-style fitment
  • EPDM rubber construction for heat and coolant exposure resistance
  • Black finish for an OE-style appearance
  • Clamps included for the listed application
  • End 1 inside diameter: 17.78 mm; End 2 inside diameter: 17.78 mm
  • End 1 outside diameter: 26.04 mm; End 2 outside diameter: 26.04 mm

Detailed Description

Rein CHH0845 is engineered for Tesla S heater hose replacement where the original hose has aged, cracked, or begun to leak. The hose is made from EPDM and follows the OE size and shape requirements for the application, helping maintain proper HVAC coolant flow through the heater circuit. This part cross-references OE numbers 600734500C and 600734500E for the same application.

Compatible With Tesla S models from 2012-2016, including 2016 Tesla S through 3/31/16. The Rein CHH0845 heater hose is a practical service part for technicians and owners looking for a factory-style replacement on Tesla S HVAC systems.

What It Helps Fix

  • Coolant seepage at the heater hose assembly
  • Cracked or hardened rubber hose material
  • Loss of HVAC heater circuit flow
  • Damaged or worn OE hose connections
  • Service replacement after hose removal during cooling system repair

Installation Notes and Tips

Verify hose routing, connector style, and diameter before installation. Inspect mating surfaces, clamps, and adjacent coolant lines for wear or contamination before reassembly. Drain and refill the cooling system according to Tesla service procedures, then check for leaks after the engine or thermal system reaches operating temperature.

Quality Assurance

Rein positions this heater hose as an OE-quality replacement built to match original hose dimensions and branch geometry for the listed Tesla S applications. Part number CHH0845 is made to service the factory HVAC hose layout with OE-style fit and materials.

BrandRein
Part NumberCHH0845
MaterialEpdm
ColorBlack
Clamps IncludedYes
End 1 Inside Diameter17.78
End 2 Inside Diameter17.78
End 1 Outside Diameter26.04
End 2 Outside Diameter26.04

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016TeslaS-L--BATTERY EV (EV/BEV)N/ATo 3/31/16
2015TeslaS-L--BATTERY EV (EV/BEV)N/A
2014TeslaS-L--BATTERY EV (EV/BEV)N/A
2013TeslaS-L--BATTERY EV (EV/BEV)N/A
2012TeslaS-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:

600734500C600734500E

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