Bosch Alternator P/N:AL4065N
Bosch AL0943N alternator for the 2003-2004 Volkswagen Jetta 4-cylinder 1.9L and other vehicles recharges the battery and supplies electrical power while the engine runs.
Dim headlights, a battery warning light or a battery that keeps running down can mean the alternator is not charging. Those symptoms also show up with a weak battery or a worn belt, so with the engine off and cool, look over the belt and the battery terminals first.
This alternator fits the 2003-2004 Volkswagen Jetta 4-cylinder 1.9L and the 2002-2003 Volkswagen Beetle 4-cylinder 1.9L. It is designed to be identical in fit and performance to original equipment parts.
Fit and size
Build and materials
One alternator. The 2003-2004 Volkswagen Jetta 4-cylinder 1.9L and the 2002-2003 Volkswagen Beetle 4-cylinder 1.9L each take one.
Interchange: 038903018R
This part cross-references / interchanges with the following part numbers:
Is Bosch AL0943N the VW Jetta alternator for a 2003-2004 Jetta 4-cylinder 1.9L?
Yes. Bosch AL0943N is listed for the 2003-2004 Volkswagen Jetta 4-cylinder 1.9L, and that car takes one alternator.
Can I fit this VW Beetle alternator on a 2002-2003 Volkswagen Beetle 4-cylinder 1.9L?
Yes. This alternator is listed for the 2002-2003 Volkswagen Beetle 4-cylinder 1.9L, and that car takes one.
What pulley type does this Bosch alternator have?
Bosch AL0943N has a 6S pulley and belt type, which is the one to match against your old alternator's pulley.
Dim headlights and a battery light: could this alternator be involved?
Dim lights, a battery warning light or a battery that keeps going flat can mean a charging problem. A shop can test charging output, which needs the engine running.
What protection comes with this Bosch VW alternator?
Bosch backs it with the Ultimate Protection Plan when the unit is registered at purchase: 2-year, 24-hour roadside assistance, with a free jump or tow up to 50 miles.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.