How to replace the alternator on 2009 Chevrolet Express 3500?

Firstly separate the upper Fan Shroud before replacing the auxiliary generator. Start by removing the Drive Belt. Begin the process by disconnecting the auxiliary generator electrical connector followed by the positive cable procedure that includes boot slide-down and positive cable nut removal and cable removal sequence. You must first remove the auxiliary generator by removing all three mounting bolts. Position the new auxiliary generator into place before tightening the three bolts to 50 nm (37 lb ft) torque. Reconnect the positive cable by placing it correctly followed by tightening the positive cable nut to 10 nm (89 lb in). Replace the boot over the terminal stud afterward. Complete generator wiring after hooking up the electrical connector before fitting the Drive Belt and replacing the upper shroud.

OEM 2009 Chevrolet Express 3500 Alternator

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2009 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
- Item Weight: 17.00 Pounds
- Item Dimensions: 9.2 x 7.8 x 7.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19244751
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Chevrolet Express 3500 Submodels:
- 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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2009 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
- Item Weight: 16.30 Pounds
- Item Dimensions: 9.3 x 8.2 x 7.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22781131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Chevrolet Express 3500 Submodels:
- 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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2009 Chevrolet Express 3500 Alternator Part Number: 22817848
$298.90 MSRP: $576.02
You Save: $277.12 (49%)
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15204278, 20911204, 22781128
- Item Weight: 13.80 Pounds
- Item Dimensions: 10.6 x 9.0 x 8.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22817848
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Chevrolet Express 3500 Submodels:
- 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
View related parts
2009 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
- Item Weight: 10.50 Pounds
- Item Dimensions: 10.8 x 9.0 x 9.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22817847
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Chevrolet Express 3500 Submodels:
- 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

2009 Chevrolet Express 3500 Alternator

With a comprehensive array of OEM 2009 Chevrolet Express 3500 Alternator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2009 Chevrolet Express 3500 Alternator are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2009 Chevrolet Express 3500 Alternator Parts and Q&A

Q: How to replace the alternator on 2009 Chevrolet Express 3500?
A: Firstly separate the upper Fan Shroud before replacing the auxiliary generator. Start by removing the Drive Belt. Begin the process by disconnecting the auxiliary generator electrical connector followed by the positive cable procedure that includes boot slide-down and positive cable nut removal and cable removal sequence. You must first remove the auxiliary generator by removing all three mounting bolts. Position the new auxiliary generator into place before tightening the three bolts to 50 nm (37 lb ft) torque. Reconnect the positive cable by placing it correctly followed by tightening the positive cable nut to 10 nm (89 lb in). Replace the boot over the terminal stud afterward. Complete generator wiring after hooking up the electrical connector before fitting the Drive Belt and replacing the upper shroud.