How to replace the alternator on Chevrolet Silverado 2500?

Start by disconnecting the negative Battery Cable and removing the accessory Drive Belt. To start the replacement process disconnect the generator electrical connector and then remove the engine sight shield if required. Start by sliding the boot down to show the terminal stud while you remove the generator cable nut from the terminal stud and finally disconnect the generator cable. After disassembling the generator bolts you must remove the generator from its position. Put the generator into its proper position then tighten the generator bolts to a torque of 50 n.m (37 lb ft). Install the generator cable while tightening the generator cable nut to 9 n.m (80 lb in) on the terminal stud followed by sliding the boot over the terminal stud. First connect the generator electrical connector then reinstall the engine sight shield if needed before replacing the accessory Drive Belt and lastly connecting the negative Battery Cable.

OEM Chevrolet Silverado 2500 Alternator

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Chevrolet Silverado 2500 Alternator
Part Number: 19244751
$337.37 MSRP: $658.04
You Save: $320.67 (49%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464476, 15200109, 15263859, 20989650, 22781130, 19151921
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Chevrolet Silverado 2500 | Base, LS, LT, WT | 8 Cyl 6.0 L GAS
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Chevrolet Silverado 2500 Alternator
Part Number: 19244746
$365.78 MSRP: $713.61
You Save: $347.83 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151915, 10464453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Silverado 2500 | Base, LS, LT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 2500 Alternator
Part Number: 19244745
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464443, 19151913, 10464405
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Chevrolet Silverado 2500 | Base, LS, LT | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 2500 Alternator
Part Number: 19244731
$286.05 MSRP: $511.62
You Save: $225.57 (45%)
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151898, 10464481
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Chevrolet Silverado 2500 | Base, LS, LT, WT | 8 Cyl 6.0 L GAS
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Chevrolet Silverado 2500 Alternator
Part Number: 19244727
$172.06 MSRP: $298.21
You Save: $126.15 (43%)
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464438, 19151893, 10464451, 10464404, 19151891
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2002 Chevrolet Silverado 2500 | Base, LS, LT | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS

Chevrolet Silverado 2500 Alternator

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Chevrolet Silverado 2500 Alternator Parts Questions & Experts Answers

Alternator
19244751
Q: How to replace the alternator on Chevrolet Silverado 2500?
A: Start by disconnecting the negative Battery Cable and removing the accessory Drive Belt. To start the replacement process disconnect the generator electrical connector and then remove the engine sight shield if required. Start by sliding the boot down to show the terminal stud while you remove the generator cable nut from the terminal stud and finally disconnect the generator cable. After disassembling the generator bolts you must remove the generator from its position. Put the generator into its proper position then tighten the generator bolts to a torque of 50 n.m (37 lb ft). Install the generator cable while tightening the generator cable nut to 9 n.m (80 lb in) on the terminal stud followed by sliding the boot over the terminal stud. First connect the generator electrical connector then reinstall the engine sight shield if needed before replacing the accessory Drive Belt and lastly connecting the negative Battery Cable.

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