Continental 63503 HVAC Heater Hose - Intake Manifold To Water Pump, Radiator To Reservoir or Tee To Throttle Body
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Continental
 Molded

Continental 63503 HVAC Heater Hose - Intake Manifold To Water Pump, Radiator To Reservoir or Tee To Throttle Body

Brand Continental 63503
Position Radiator To Reservoir, Intake Manifold To Water Pump, and Tee To Throttle Body
Hose 1 Inside Diameter 0.380
Hose 1 Length 20.240
End 2 Hose Inside Diameter 0.380
Product line Molded
Fits Ford and Volkswagen · 11 vehicles

Molded design. Follows the original hose path for application-specific routing.

Specification-based construction. Meets or exceeds SAE 20R4EC Class D1 radiator hose requirements.

Built for coolant transfer within the vehicle cooling system.

Cross-references ACI 88460, Davico Mfg 18322 and 2M5Z18472BC for the same application. See all 7.

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Continental Molded Heater Hose

Continental 63503 is a molded HVAC heater hose built for coolant transfer within the vehicle cooling system. It is a fitment-based replacement for select Volkswagen Jetta and Ford Focus applications, with molded routing that follows the original hose path.

  • Fits 2005-2007 Volkswagen Jetta, Tee To Throttle Body.
  • Fits 2000-2003 Ford Focus, Radiator To Reservoir, with 3/8" ID hose.
  • Fits 2000-2003 Ford Focus, Intake Manifold To Water Pump.
  • 0.380 in. inside diameter at both ends for matched hose connections.
  • 20.240 in. overall length for application-specific routing.
  • Meets or exceeds SAE 20R4EC Class D1 radiator hose specifications.

Product Details

This molded hose is intended for coolant circulation between system components, helping maintain proper flow through the radiator circuit and related passages. Continental 63503 is identified for molded applications where the hose shape and dimensions must match the original routing, including Volkswagen Jetta and Ford Focus fitments. The 63503 part number is also useful when cross-checking replacement needs against existing service records.

Common Replacement Uses

  • Cracked or deteriorated coolant hose sections.
  • Leaks at molded hose bends or connection points.
  • Restricted coolant transfer caused by aged hose material.
  • Incorrect hose routing after prior repair work.

Installation Notes

Verify hose routing, end diameters, and application notes before installation. Match the molded shape to the original path and confirm the connection points on the cooling system. Use the 63503 part number to confirm the correct replacement against the vehicle’s service information.

Quality Assurance

Continental states that this hose meets or exceeds SAE 20R4EC Class D1 radiator hose requirements, providing a specification-based benchmark for replacement selection.

Related reading

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007VolkswagenJetta2.5LL5Tee To Throttle BodyMolded
2006VolkswagenJetta2.5LL5Tee To Throttle BodyMolded
2005VolkswagenJetta2.5LL5Tee To Throttle BodyMolded
2003FordFocus2.0LL4Radiator To ReservoirW/ 3/8" ID Hose; Molded
2003FordFocus2.0LL4Intake Manifold To Water PumpMolded
2002FordFocus2.0LL4Radiator To ReservoirW/ 3/8" ID Hose; Molded
2002FordFocus2.0LL4Intake Manifold To Water PumpMolded
2001FordFocus2.0LL4Radiator To ReservoirW/ 3/8" ID Hose; Molded
2001FordFocus2.0LL4Intake Manifold To Water PumpMolded
2000FordFocus2.0LL4Radiator To ReservoirW/ 3/8" ID Hose; Molded
2000FordFocus2.0LL4Intake Manifold To Water PumpMolded
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 88460Davico Mfg — 183222M5Z18472BC2M5Z18472BCCB000C36F0EM-4638YS4Z18472KA