How to replace the ignition switch on Chevrolet Express 3500?

Start by disconnecting the Battery Cable's negative terminal when replacing the Ignition Switch. When needed turn off the sir system functionality. First remove all hush and knee bolster elements before moving to the steering column trim covers. To release the tab press down on an allen wrench inserted into the top hole of the lock cylinder housing while the key remains set to run position. Cut the connection between the passlock system along with buzzer from the lock cylinder housing unit. Use Ignition Switch connector release tool (J-42759) to push release pins on the Ignition Switch then extract the component. To prevent no start problems or battery drain the new Ignition Switch must be installed while maintaining perfect alignment of the gears between the Ignition Switch and lock cylinder housing. Before installing the Ignition Switch into the lock cylinder housing turn the gear on the lock cylinder housing counterclockwise until it stops then connect the Ignition Switch while verifying proper tab seating. Gently rotate the lock cylinder housing gear by rotating it clockwise all the way to start while allowing it to automatically move back to run. First, fit the lock cylinder into place and connect both the passlock and key buzzer and finally replace all steering column trim covers together with the hush and knee bolster. Reconnect the negative Battery Cable while enabling the sir system.

OEM Chevrolet Express 3500 Ignition Switch

Starter Ignition Switch

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8 Ignition Switches found

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Chevrolet Express 3500 Ignition Switch
Part Number: 26075234
$35.52 MSRP: $72.98
You Save: $37.46 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Ignition; Switch, Ignition Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Chevrolet Express 3500 | Base, LS | 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 Ignition Switch
Part Number: 26061329
$26.56 MSRP: $49.55
You Save: $22.99 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Ignition & Start; Switch, Ignition Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2002 Chevrolet Express 3500 | Base, LS | 6 Cyl 4.3 L GAS, 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 7.4 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Express 3500 Ignition Switch
Part Number: 26047332
$70.12 MSRP: $218.78
You Save: $148.66 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Ignition & Start; Key Alarm Switch; Switch, Ignition Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 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 Ignition Switch
Part Number: 84126104
$34.74 MSRP: $62.63
You Save: $27.89 (45%)
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Product Specifications
- Other Name: Switch, Ignition Switch
- Replaced by: 85619198
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2024 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
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Chevrolet Express 3500 Ignition Switch
Part Number: 85636870
$24.40 MSRP: $45.82
You Save: $21.42 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch, Ignition Switch
- Replaces: 25733005, 23391402, 22887691
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2016 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 Ignition Switch
Part Number: 26075993
Product Specifications
- Other Name: Switch, Ignition; Switch, Ignition Switch
- Replaces: 26061703
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998 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 Ignition Switch
Part Number: 15242754
Product Specifications
- Other Name: Switch, Ignition & Start; Alarm Switch; Switch, Ignition Switch
- Replaces: 12450251
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 3500 Ignition Switch
Part Number: 26070113
Product Specifications
- Other Name: Switch Assembly, Ignition & Start; Switch, Ignition Switch
- 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

Chevrolet Express 3500 Ignition Switch

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Chevrolet Express 3500 Ignition Switch Parts Questions & Experts Answers

Ignition Switch
15242754
Q: How to replace the ignition switch on Chevrolet Express 3500?
A: Start by disconnecting the Battery Cable's negative terminal when replacing the Ignition Switch. When needed turn off the sir system functionality. First remove all hush and knee bolster elements before moving to the steering column trim covers. To release the tab press down on an allen wrench inserted into the top hole of the lock cylinder housing while the key remains set to run position. Cut the connection between the passlock system along with buzzer from the lock cylinder housing unit. Use Ignition Switch connector release tool (J-42759) to push release pins on the Ignition Switch then extract the component. To prevent no start problems or battery drain the new Ignition Switch must be installed while maintaining perfect alignment of the gears between the Ignition Switch and lock cylinder housing. Before installing the Ignition Switch into the lock cylinder housing turn the gear on the lock cylinder housing counterclockwise until it stops then connect the Ignition Switch while verifying proper tab seating. Gently rotate the lock cylinder housing gear by rotating it clockwise all the way to start while allowing it to automatically move back to run. First, fit the lock cylinder into place and connect both the passlock and key buzzer and finally replace all steering column trim covers together with the hush and knee bolster. Reconnect the negative Battery Cable while enabling the sir system.