Replacement Guide / Volkswagen / Jetta / 2003
Replacement guide
2003 Volkswagen Jetta
Owner-reported component and symptom data for this model year.
What are you trying to fix?
Replacement-related components reported for this vehicle
18 owner reports involving the ignition coil
View replacement guide10 owner reports involving the power window regulator
View replacement guide4 owner reports involving the water pump
View replacement guide3 owner reports involving the catalytic converter
View replacement guide3 owner reports involving the thermostat
View replacement guide3 owner reports involving the oxygen sensor
View replacement guide2 owner reports involving the battery
View replacement guide2 owner reports involving the alternator
View replacement guide2 owner reports involving the cooling fan
View replacement guide2 owner reports involving the brake rotor
View replacement guide1 owner report involving the fuel pump
View replacement guide1 owner report involving the egr valve
View replacement guide1 owner report involving the master cylinder
View replacement guide1 owner report involving the wheel bearing
View replacement guide1 owner report involving the headlights
View replacement guide1 owner report involving the brake lights
View replacement guide1 owner report involving the door latch
View replacement guide1 owner report involving the head gasket
View replacement guide1 owner report involving the timing belt
View replacement guideBrowse by system
Starting / charging
- Battery — 2 owner reports
- Alternator — 2 owner reports
Fuel / engine
- Ignition Coil — 18 owner reports
- Catalytic converter — 3 owner reports
- Oxygen Sensor — 3 owner reports
- Fuel pump — 1 owner report
- EGR valve — 1 owner report
- Head Gasket — 1 owner report
- Timing Belt — 1 owner report
Cooling / HVAC
- Water Pump — 4 owner reports
- Thermostat — 3 owner reports
- Cooling fan — 2 owner reports
Brakes
- Brake rotor — 2 owner reports
- Master cylinder — 1 owner report
Lighting / visibility
- Headlights — 1 owner report
- Brake lights — 1 owner report
Body / access
- Power window regulator — 10 owner reports
- Door latch — 1 owner report
About this data
Component evidence comes from structured complaint categories and reviewed component mentions in complaint summaries. Owner-situation evidence comes from reviewed symptom language in complaint summaries. Reports are signals, not diagnoses.
How to read the counts
Counts are distinct owner reports involving a canonical component. They are not a failure rate, probability, or share of vehicles sold. A complaint involving a component does not prove that component caused the problem. Parent NHTSA system buckets are not counted as the part itself.