Rein CHH0831 HVAC Heater Hose

OE Heater Hose for Tesla S

Rein CHH0831 is an OE-quality HVAC heater hose for Tesla S applications. It is built as a direct replacement for the original hose assembly, with the same branch sizing and thermoplastic quick-connect style fitment expected from the factory part.

• EPDM construction for heater circuit durability
• Black finish
• Includes clamps
• End 1 inside diameter: 16.26 mm
• End 2 inside diameter: 15.24 mm
• End 1 outside diameter: 20.47 mm
• End 2 outside diameter: 23.16 mm

Product Details

This Rein HVAC heater hose is engineered for Tesla S heater hose replacement service where the original hose has aged, cracked, or lost sealing performance. Rein CHH0831 follows OE dimensions and connection style to help restore proper coolant flow through the heater circuit. This part cross-references 104895200B for the same application.

Vehicle Fitment

• Fits 2014-2015 Tesla S, N/A
• Fits 2016 Tesla S, N/A, to 3/31/16

Common Repair Issues

• Coolant seepage at heater hose connections
• Cracked or hardened EPDM hose material
• Loose or worn quick-connect sealing surfaces
• Restricted heater coolant circulation
• Loss of cabin heat from a damaged heater hose

Installation Notes

Verify hose routing, connector style, and end diameters before installation. Replace the hose when the engine is cool and the cooling system is safely depressurized. Use the included clamps where specified and confirm all connections are fully seated before refilling and bleeding the system.

Quality Assurance

Rein Automotive focuses on OE-quality replacement parts that match original hose shape, branch layout, and connector design for factory-style service on Tesla S models.