How to replace the door lock cylinder on Chevrolet Astro?

Start the Door Lock Cylinder replacement by taking out the interior and exterior trim panel. The periostial separation of the water deflector must be performed using a sharp bladed tool. The first step removes the access hole plug followed by disconnecting the lock rod from the Door Handle followed by nut removal from the Door Handle until the Door Handle becomes removable. Proceed with removing the lock rod from the lock cylinder together with the lock cylinder retainer prior to entirely removing the lock cylinder and gasket from the door. Before lock assembly you need to put gm p/n 12346241 or match lubricant on the lock case and cylinder keyway. After adding the Door Lock Cylinder onto the door, install the gasket then insert the retainer on the lock cylinder. Install the handle to the door and secure it with the nuts following application of 6 n.m (53 lb in) torque. After linking the Door Handle lock rod to its handle you must install the access hole plug and reattach the water deflector. To finish the task reinstall the trim panel. It is mandatory to use fresh plastic retaining clips during any process of lock rod removal.

OEM Chevrolet Astro Door Lock Cylinder

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11 Door Lock Cylinders found

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Chevrolet Astro Lock Cylinder, Black, Front
Part Number: 12505556
$13.11 MSRP: $24.18
You Save: $11.07 (46%)
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Product Specifications
- Other Name: Cylinder Kit, Front Side Door Lock (Uncoded); Door Lock Cylinder; Cylinder & Keys; Cylinder Kit, Door Lock Cylinder; Cylinder Kit, Door Outside Lock
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder
Part Number: 12398561
$29.03 MSRP: $39.73
You Save: $10.70 (27%)
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Product Specifications
- Other Name: Cylinder, End Gate Lock; Trunk Lock Cylinder; Door Lock Cylinder; Door Lock; Cylinder & Keys; Rear Compartment Lock Cylinder; Door Outside Lock Cylinder; Door Lock Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1990 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder, Black
Part Number: 12502669
$5.42 MSRP: $8.07
You Save: $2.65 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cylinder Kit, Door Outside Lock; Door Lock Cylinder; Door Lock; Key Cylinder; Cylinder & Keys; Door Lock Cylinder Kit; Outside Lock Cylinder
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1993 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder
Part Number: 12398562
Product Specifications
- Other Name: Cylinder Kit, Door Lock Cylinder; Door Lock Cylinder
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1995 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder
Part Number: 12385787
$72.44 MSRP: $107.82
You Save: $35.38 (33%)
Product Specifications
- Other Name: Cylinder Kit, Door Lock Cylinder; Cylinder; Door Lock Cylinder; Door Lock
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder
Part Number: 12507465
Product Specifications
- Other Name: Cylinder Kit, Cargo Compartment And Floor; Door Lock Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1990 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder
Part Number: 15665328
Product Specifications
- Other Name: Cylinder, Door Lock Cylinder; Cylinder; Door Lock Cylinder
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder, Front
Part Number: 12545712
Product Specifications
- Other Name: Cylinder Kit, Front Side Door Lock (Uncoded); Door Lock Cylinder; Cylinder Kit, Door Lock Cylinder; Door Lock
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder
Part Number: 12385785
$6.79 MSRP: $10.10
You Save: $3.31 (33%)
Product Specifications
- Other Name: Cylinder Kit, Door Lock Cylinder; Door Lock Cylinder; Door Lock
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock Cylinder, Front
Part Number: 15782139
$110.29 MSRP: $164.15
You Save: $53.86 (33%)
Product Specifications
- Other Name: Cylinder Kit-Front Side Door Lock (Uncoded); Door Lock Cylinder; Cylinder Kit, Door Lock Cylinder
- Position: Front
- Replaces: 88954647
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Lock & Cylinder
Part Number: 15799773
$208.57 MSRP: $311.83
You Save: $103.26 (34%)
Product Specifications
- Other Name: Cylinder, End Gate Lock; Trunk Lock Cylinder; Door Lock Cylinder; Lock Cylinder; Cylinder, Door Lock Cylinder
- Replaces: 12377147
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS

Chevrolet Astro Door Lock Cylinder

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Chevrolet Astro Door Lock Cylinder Parts Questions & Experts Answers

Lock Cylinder
12385787
Q: How to replace the door lock cylinder on Chevrolet Astro?
A: Start the Door Lock Cylinder replacement by taking out the interior and exterior trim panel. The periostial separation of the water deflector must be performed using a sharp bladed tool. The first step removes the access hole plug followed by disconnecting the lock rod from the Door Handle followed by nut removal from the Door Handle until the Door Handle becomes removable. Proceed with removing the lock rod from the lock cylinder together with the lock cylinder retainer prior to entirely removing the lock cylinder and gasket from the door. Before lock assembly you need to put gm p/n 12346241 or match lubricant on the lock case and cylinder keyway. After adding the Door Lock Cylinder onto the door, install the gasket then insert the retainer on the lock cylinder. Install the handle to the door and secure it with the nuts following application of 6 n.m (53 lb in) torque. After linking the Door Handle lock rod to its handle you must install the access hole plug and reattach the water deflector. To finish the task reinstall the trim panel. It is mandatory to use fresh plastic retaining clips during any process of lock rod removal.

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