How to replace the alternator on Chevrolet Express 3500?

The first step to replace the generator includes disconnecting the negative Battery Cable followed by the accessory Drive Belt removal process. Start by disconnecting the generator electrical connector before sliding the boot to view the terminal stud and then removing the generator cable nut. Take off the generator cable at this point. First remove the generator bolts before taking out the generator. The first step for generator installation includes mounting the generator followed by tightening its bolts to 50 n.m (37 lb ft). Reconnect the generator cable to its terminal stud by installing the cable and cable nut then tightening this nut to 9 n.m while sliding the boot across the terminal. After connecting the electrical connector for the generator complete the process by installing the accessory Drive Belt and restoring the negative Battery Cable connection.

OEM Chevrolet Express 3500 Alternator

Generator

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20 Alternators found

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Chevrolet Express 3500 Alternator Part Number: 22781131
$271.79 MSRP: $599.42
You Save: $327.63 (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:
- 2005-2016 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Alternator Part Number: 19244747
$321.98 MSRP: $603.01
You Save: $281.03 (47%)
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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 3500 | Base, LS | 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 8.1 L GAS
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Chevrolet Express 3500 Alternator Part Number: 20881337
$272.93 MSRP: $541.76
You Save: $268.83 (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 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX
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Chevrolet Express 3500 Alternator Part Number: 84143542
$261.16 MSRP: $518.38
You Save: $257.22 (50%)
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Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaces: 23487088, 22747894
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Alternator Part Number: 19244751
$309.77 MSRP: $604.07
You Save: $294.30 (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:
- 2003-2016 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Alternator Part Number: 84143543
$319.65 MSRP: $587.47
You Save: $267.82 (46%)
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Product Specifications
- Other Name: Generator, Auxiliary; Generator, Engine Electrical
- Replaces: 22747896, 23487089
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Alternator Part Number: 23150508
$190.91 MSRP: $403.57
You Save: $212.66 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2017 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Alternator Part Number: 84143539
$408.14 MSRP: $810.12
You Save: $401.98 (50%)
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Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaces: 22949466
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2020 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Alternator Part Number: 13552630
$235.62 MSRP: $442.49
You Save: $206.87 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaced by: 13563314
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 3500 Alternator Part Number: 19244728
$249.73 MSRP: $467.44
You Save: $217.71 (47%)
Ships in 1-2 Business Days
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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 3500 | Base, LS | 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 8.1 L GAS
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Chevrolet Express 3500 Alternator Part Number: 84331735
$240.11 MSRP: $450.03
You Save: $209.92 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaces: 84122173
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Alternator Part Number: 22817848
$298.90 MSRP: $576.02
You Save: $277.12 (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:
- 2009-2012 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 3500 Alternator Part Number: 84331736
$358.76 MSRP: $560.30
You Save: $201.54 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaces: 84122172
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 Alternator Part Number: 84206550
$238.86 MSRP: $474.12
You Save: $235.26 (50%)
ADD TO CART
Product Specifications
- Other Name: Alternator, 105 Amplifier Generator (K68); Generator, Engine Electrical
- Replaces: 23304114
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2024 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 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 3500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet Express 3500 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 3500 | Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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Chevrolet Express 3500 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 3500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet Express 3500 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 3500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
Chevrolet Express 3500 Alternator Part Number: 19244781
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10463940, 19152043
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 Chevrolet Express 3500 | Base, LS | 8 Cyl 6.5 L DIESEL
View related parts
Chevrolet Express 3500 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:
- 2005-2015 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS

Chevrolet Express 3500 Alternator

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Chevrolet Express 3500 Alternator Parts and Q&A

Alternator
19244731
Q: How to replace the alternator on Chevrolet Express 3500?
A:
The first step to replace the generator includes disconnecting the negative Battery Cable followed by the accessory Drive Belt removal process. Start by disconnecting the generator electrical connector before sliding the boot to view the terminal stud and then removing the generator cable nut. Take off the generator cable at this point. First remove the generator bolts before taking out the generator. The first step for generator installation includes mounting the generator followed by tightening its bolts to 50 n.m (37 lb ft). Reconnect the generator cable to its terminal stud by installing the cable and cable nut then tightening this nut to 9 n.m while sliding the boot across the terminal. After connecting the electrical connector for the generator complete the process by installing the accessory Drive Belt and restoring the negative Battery Cable connection.