Gates 23739 heater hose for the 2000-2005 Volkswagen Jetta 4-cylinder 1.8L and other vehicles carries engine coolant to and from the heating system. This Gates molded heater hose is a modular assembly, also listed as an HVAC heater hose assembly.
- Modular assembly with two quick-connect fittings and no branch connections
- EPDM tube with synthetic fiber knit reinforcement and a heat-, ozone- and chemical coolant-resistant EPDM cover
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Meets SAE 20R3 EC Class D1 under 25 mm (1 in.) ID and SAE 20R4 EC Class D1 for 25 mm (1 in.) ID and over
- Temperature range: -40 °F to +257 °F (-40 °C to +125 °C)
Quick facts
- Part: Gates 23739 heater hose
- Also called: HVAC heater hose assembly
- Fits: 2000-2005 Volkswagen Jetta 4-cylinder 1.8L and other vehicles
- Material: EPDM, Plastic, Steel
- Condition: New
A coolant leak, a cracked or swollen hose, or a heater that blows cool air can mean this hose is worn. These signs alone do not prove the hose is at fault; low coolant can give a similar heater complaint.
Fits
This hose fits the 2000-2005 Volkswagen Jetta 4-cylinder 1.8L, the 2000-2001 Volkswagen Golf 4-cylinder 1.8L and the 2011-2012 Volkswagen Clasico 4-cylinder 1.8L, with one hose per car. If your car is not one of these, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Centerline length: 29.25 in (743 mm)
- End 1 inside diameter: 16 mm (0.63 in)
- End 2 inside diameter: 23 mm (0.92 in)
- End 3 inside diameter: 0.51 in
- End 4 inside diameter: 19 mm (0.73 in)
- End 5 inside diameter: 6 mm (0.25 in)
- End 6 inside diameter: 6 mm (0.25 in)
- Quick connect fittings: 2
Build and materials
- Construction: molded, modular
- Material: EPDM, plastic, steel
- Contains spring: No
- Condition: New
- Country of origin: Turkey
In the box
One heater hose with an outlet and two female quick connectors.
Installation notes
- Replace the clamps each time a new coolant hose is installed.
- Not for fuel or oil transfer applications.
Interchange: 24707L · 88515 · F10478 · 16427 · R25184 · CHH0147R · 1J0121156A · 1J0121156AG · 1J0121156AN · 1J0121156AT · 1J0121156J · 1J0121156S
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
24707L, 23739, 88515, F10478, 16427, R25184, CHH0147R, 1J0121156A, 1J0121156AG, 1J0121156AN, 1J0121156AT, 1J0121156J, 1J0121156S
Frequently Asked Questions
Is this the right Jetta heater hose for a 2000-2005 Volkswagen Jetta 4-cylinder 1.8L?
Yes. Gates 23739 fits the 2000-2005 Volkswagen Jetta 4-cylinder 1.8L, and that car takes one hose. For other vehicles, look up your car in the "Vehicles it fits" section.
What comes with the Gates 23739 heater hose?
Gates 23739 comes as one heater hose with an outlet and two female quick connectors. Clamps should be replaced each time a new coolant hose is installed.
What temperature range does this Gates heater hose handle?
The range runs from -40 °F to +257 °F (-40 °C to +125 °C). The EPDM cover resists heat, ozone and chemical coolant.
Is this molded hose reinforced?
Yes. This heater hose has an EPDM tube with synthetic fiber knit reinforcement, and it is a molded part.
Can this heater hose be used for fuel or oil lines?
No. This hose is meant for coolant and must not be used for fuel or oil transfer applications.
