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ReinPart #: CHH0821

Rein CHH0821 HVAC Heater Hose

Name: Rein CHH0821 HVAC Heater Hose
Brand: Rein
SKU: DFBS-CHH0821
Price: 58.04 USD
Availability: InStock

⚙️ 5 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Tesla, S

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OE Heater Hose for Tesla S

Rein CHH0821 is an OE-quality HVAC heater hose built as a direct replacement for the original hose assembly. It is made from EPDM and finished in black, with thermoplastic quick-connect style ends that match the original shape and size for a precise service fit on Tesla S applications.

Key Features

Direct replacement heater hose for HVAC coolant routing
EPDM construction for heat and coolant resistance
Black finish for an OE-style appearance
Thermoplastic quick connect fittings for factory-style connection points
Clamps included for installation
End 1 inside diameter: 18.03 mm; end 2 inside diameter: 18.03 mm
End 1 outside diameter: 25.55 mm; end 2 outside diameter: 25.55 mm

Detailed Description

Rein CHH0821 heater hose is engineered for Tesla S models with OE number 104968400A. It is a direct-fit HVAC hose replacement that follows the original hose geometry, branch sizing, and connector style used by the factory assembly. This makes it a practical choice for Tesla S heater hose replacement, Tesla S HVAC hose service, and OE-style coolant line repair where accurate fitment matters. This part cross-references OE number 104968400A for the same application.

What It Helps Fix

Cracked or leaking heater hose sections
Damaged quick-connect ends
Coolant seepage at HVAC hose connections
Restricted heater circuit flow from aged hose material
Service issues on Tesla S heater hose assemblies

Installation Notes and Tips

Fits 2012-2015 Tesla S, N/A. Fits 2016 Tesla S, N/A, to 3/31/16. Verify OE number 104968400A before installation and compare the hose routing, connector style, and end diameters to the removed part. Inspect mating surfaces and replace any worn seals or damaged connection points during service.

Quality Assurance

Rein positions this hose as an OE-quality replacement built to match original equipment dimensions and connector design for Tesla S HVAC service.

Brand	Rein
Part Number	CHH0821
Material	Epdm
Color	Black
Clamps Included	Yes
End 1 Inside Diameter	18.03
End 2 Inside Diameter	18.03
End 1 Outside Diameter	25.55
End 2 Outside Diameter	25.55

This part fits 5 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2016	Tesla	S	-L	--	BATTERY EV (EV/BEV)	N/A	To 3/31/16, w/OE No. 104968400A
2015	Tesla	S	-L	--	BATTERY EV (EV/BEV)	N/A	w/OE No. 104968400A
2014	Tesla	S	-L	--	BATTERY EV (EV/BEV)	N/A	w/OE No. 104968400A
2013	Tesla	S	-L	--	BATTERY EV (EV/BEV)	N/A	w/OE No. 104968400A
2012	Tesla	S	-L	--	BATTERY EV (EV/BEV)	N/A	w/OE No. 104968400A

* 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:

104968400A

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