How to Replace an Alternator in an Auxiliary Generator on Chevrolet Express 1500?

Safety requires disconnecting the battery before starting to replace the auxiliary generator. Initiate work by taking out both the air cleaner assembly and the upper radiator Fan Shroud. Disconnect the negative Battery Cable and the auxiliary generator electrical connector before beginning work. You will reach the terminal stud by sliding the boot downwards to gain access. Once you have removed the positive cable nut you can take out the positive cable. Disassemble the auxiliary generator bolts followed by removal of the auxiliary generator unit. Place the new auxiliary generator into position and use auxiliary generator bolts to fasten it with 50 newton-meters torque (37 pounds of torque). Put on the positive cable beginning with its nut installation before securing it to 9 n.m tension (80 lb in torque) and moving the boot upwards to cover the terminal stud. After reattaching the Drive Belt users must next connect the auxiliary generator electrical connector followed by negative Battery Cable reattachment before finally installing the upper radiator Fan Shroud along with the air cleaner assembly.

OEM Chevrolet Express 1500 Alternator

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12 Alternators found

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Chevrolet Express 1500 Alternator
Part Number: 19244751
$337.37 MSRP: $658.04
You Save: $320.67 (49%)
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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:
- 2003-2010 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 20881337
$267.59 MSRP: $531.14
You Save: $263.55 (50%)
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15905874, 25869451, 15905872, 22781127, 25968616
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2014 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX
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Chevrolet Express 1500 Alternator
Part Number: 19244747
$321.98 MSRP: $603.01
You Save: $281.03 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151916, 10464456
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 22781131
$266.46 MSRP: $587.66
You Save: $321.20 (55%)
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2014 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 22817848
$293.04 MSRP: $564.72
You Save: $271.68 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15204278, 20911204, 22781128
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 19244728
$249.73 MSRP: $467.44
You Save: $217.71 (47%)
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Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464455, 19151894
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 23150508
$190.91 MSRP: $403.57
You Save: $212.66 (53%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX
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Chevrolet Express 1500 Alternator
Part Number: 19244765
Product Specifications
- Other Name: Generator, Engine Electrical
- Replaces: 19152119, 10463686
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2000 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 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 Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 19244778
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464457, 10463651, 19152037
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 Alternator
Part Number: 19244770
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464081, 10463636, 19152127
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Express 1500 Alternator
Part Number: 22817847
$265.14 MSRP: $461.75
You Save: $196.61 (43%)
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 20915902, 21998419
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2014 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

Chevrolet Express 1500 Alternator

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Chevrolet Express 1500 Alternator Parts Questions & Experts Answers

Alternator
22781131
Q: How to Replace an Alternator in an Auxiliary Generator on Chevrolet Express 1500?
A: Safety requires disconnecting the battery before starting to replace the auxiliary generator. Initiate work by taking out both the air cleaner assembly and the upper radiator Fan Shroud. Disconnect the negative Battery Cable and the auxiliary generator electrical connector before beginning work. You will reach the terminal stud by sliding the boot downwards to gain access. Once you have removed the positive cable nut you can take out the positive cable. Disassemble the auxiliary generator bolts followed by removal of the auxiliary generator unit. Place the new auxiliary generator into position and use auxiliary generator bolts to fasten it with 50 newton-meters torque (37 pounds of torque). Put on the positive cable beginning with its nut installation before securing it to 9 n.m tension (80 lb in torque) and moving the boot upwards to cover the terminal stud. After reattaching the Drive Belt users must next connect the auxiliary generator electrical connector followed by negative Battery Cable reattachment before finally installing the upper radiator Fan Shroud along with the air cleaner assembly.

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