Functions of an Alternator
The alternator converts engine mechanical energy to electrical energy, charges the battery, and stabilizes voltage to power vehicle electronics.
1.Power Supply to Electrical Systems:Converts mechanical energy from the engine (via a belt drive) into alternating current (AC), which is rectified to direct current (DC) to power in-vehicle electrical components during engine operation.
2.Battery Charging:Maintains the car battery’s charge by replenishing power consumed during startup when the starter motor draws heavy current and compensating for energy used by electrical devices. Prevents battery depletion and ensures reliable engine restarts.
3.Critical for Vehicle Operation:A faulty alternator leads to battery drain, failure of electrical systems, and eventual engine shutdown once the battery is depleted.
Product Details
- AC Service Tap:No
- Amperage Rating:130A
- Brushless:No
- Cooling Method:Air
- Decoupled Or Clutch Pulley:No
- Fan Type:IF
- One Wire Capable:No
- Outside Pulley Diameter (mm):71
- Plug Clock:3
- Polarity:Negative
- Belt Type:Serpentine Belt
- Pulley Groove Quantity:6
- Pulley Included:Yes
- Pulley Type:Conventional
- Regulator Type:ER
- Rotation Direction:CW
- Voltage:12V
- Pulley Class:S6
Vechicle Information
- Chrysler Grand Voyager 2000 V6 3.0L 2972cc 181cid VIN 3 120 Amp
- Chrysler Grand Voyager 2000 V6 3.3L 3301cc 201cid VIN G 120 Amp
- Chrysler Grand Voyager 2000 V6 3.3L 3301cc 201cid VIN R 120 Amp
- Chrysler Town & Country 1996-1997 V6 3.3L 3301cc 201cid 120 Amp, Denso Unit
- Chrysler Town & Country 1998-2000 V6 3.3L 3301cc 201cid 130 Amp, Denso Unit
- Chrysler Town & Country 1996-1997 V6 3.8L 3778cc 231cid 120 Amp, Denso Unit
- Chrysler Town & Country 1998 V6 3.8L 3778cc 231cid 130 Amp, Denso Unit
- Chrysler Town & Country 1999-2000 V6 3.8L 3778cc 231cid 136 Amp, Denso Unit
- Chrysler Voyager 2000 L4 2.4L 2429cc 148cid 130 Amp, Denso Unit
- Chrysler Voyager 2000 V6 3.0L 2972cc 181cid 130 Amp, Denso Unit
- Chrysler Voyager 2000 V6 3.3L 3301cc 201cid 130 Amp, Denso Unit
- Dodge Caravan 1996-1997 L4 2.4L 2429cc 148cid 120 Amp, Denso Unit
- Dodge Caravan 1998-2000 L4 2.4L 2429cc 148cid 130 Amp, Denso Unit
- Dodge Caravan 1996-1997 V6 3.0L 2972cc 181cid 120 Amp, Denso Unit
- Dodge Caravan 1998-2000 V6 3.0L 2972cc 181cid 130 Amp, Denso Unit
- Dodge Caravan 1996-1997 V6 3.3L 3301cc 201cid 120 Amp, Denso Unit
- Dodge Caravan 1998-2000 V6 3.3L 3301cc 201cid 130 Amp, Denso Unit
- Dodge Caravan 1996-1997 V6 3.8L 3778cc 231cid 120 Amp, Denso Unit
- Dodge Caravan 1998-1999 V6 3.8L 3778cc 231cid 130 Amp, Denso Unit
- Dodge Grand Caravan 1996-1997 L4 2.4L 2429cc 148cid VIN B 120 Amp
- Dodge Grand Caravan 1996-2000 V6 3.0L 2972cc 181cid VIN 3 120 Amp
- Dodge Grand Caravan 1998-2000 V6 3.3L 3301cc 201cid VIN G 120 Amp
- Dodge Grand Caravan 1996 V6 3.3L 3301cc 201cid VIN J 120 Amp
- Dodge Grand Caravan 1996-2000 V6 3.3L 3301cc 201cid VIN R 120 Amp
- Dodge Grand Caravan 1996-2000 V6 3.8L 3778cc 231cid VIN L 120 Amp
- Plymouth Grand Voyager 1996-1997 L4 2.4L 2429cc 148cid VIN B 120 Amp
- Plymouth Grand Voyager 1996-2000 V6 3.0L 2972cc 181cid VIN 3 120 Amp
- Plymouth Grand Voyager 1998-2000 V6 3.3L 3301cc 201cid VIN G 120 Amp
- Plymouth Grand Voyager 1996 V6 3.3L 3301cc 201cid VIN J 120 Amp
- Plymouth Grand Voyager 1996-2000 V6 3.3L 3301cc 201cid VIN R 120 Amp
- Plymouth Grand Voyager 1999 V6 3.8L 3778cc 231cid VIN L 120 Amp
- Plymouth Voyager 1996-1997 L4 2.4L 2429cc 148cid 120 Amp, Denso Unit
- Plymouth Voyager 1998-2000 L4 2.4L 2429cc 148cid 130 Amp, Denso Unit
- Plymouth Voyager 1996-1997 V6 3.0L 2972cc 181cid 120 Amp, Denso Unit
- Plymouth Voyager 1998-2000 V6 3.0L 2972cc 181cid 130 Amp, Denso Unit
- Plymouth Voyager 1996-1997 V6 3.3L 3301cc 201cid 120 Amp, Denso Unit
- Plymouth Voyager 1998-2000 V6 3.3L 3301cc 201cid 130 Amp, Denso Unit
- Plymouth Voyager 1998 V6 3.8L 230cid 130 Amp, Denso Unit
- Plymouth Voyager 1997 V6 3.8L 3778cc 231cid 120 Amp, Denso Unit
- Plymouth Voyager 1999 V6 3.8L 3778cc 231cid 130 Amp, Denso Unit
Interchanges Part Number
13765N, 13765, 113235, LRA1147, 1210004330, 1210004331, 1210004332, 13765, 4686099,
4727221, 4727329, 4727329A, 4727329AA, 5104775AA
Alternator Replacement Instructions
1.Disconnect the Battery.Turn off the engine and remove the negative (-) battery terminal to avoid electrical shorts. Wait 5-10 minutes for residual power to dissipate.
2.Remove the Serpentine/Drive Belt.Locate the belt tensioner. Use the tensioner tool to relieve pressure, then slip the belt off the alternator pulley. Note the belt routing.
3.Disconnect Electrical Connections.Unplug the alternator’s electrical connectors and remove the positive (+) power cable bolt. Keep fasteners organized.
4.Remove the Alternator Mounting Bolts.Use the socket wrench to remove the bolts securing the alternator to the engine bracket . Gently pull the alternator out of the mounting bracket.
5.Install the New Alternator.Place the new alternator into the mounting bracket, align the bolt holes, and hand-tighten the mounting bolts then torque to the manufacturer’s specification, usually 25-35 N·m.
6.Reconnect Electrical Components.Attach the positive power cable and tighten the bolt. Plug in the electrical connectors until they click into place.
7.Reinstall the Drive Belt.Use the tensioner tool to release pressure, then route the belt back onto all pulleys. Ensure the belt is properly seated in each pulley groove.
8.Reconnect the Battery.Clean the battery terminals and reattach the negative (-) terminal. Tighten securely.
9.Test the New Alternator.Start the engine and use a multimeter to check the output voltage. Verify that all electrical components work normally.
Notes
1.Always use an alternator matching your vehicle’s make, model, and engine type according to checking VIN for accuracy.
2.Do not over-tighten bolts or the drive belt (risk of damage to the alternator or pulley).
3.If unsure about torque specs or belt routing, refer to the vehicle’s service manual.