How to replace the rear door lock actuator on 2004 Buick Regal?

In order to replace the rear door lock actuator, unscrew the rear door lock actuator and the screws holding the actuator. Unscrew it off the lock, and fit the new actuator, by screws as shown in the Fastener Notice. Lastly, re-fit the rear door lock.

OEM 2004 Buick Regal Door Lock Actuator

Power Door Lock Actuator

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

9 Door Lock Actuators found

View related parts
2004 Buick Regal Door Jamb Switch Part Number: 25664288
$85.37 MSRP: $128.76
You Save: $43.39 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator Kit, Door Lock; Trunk Lock Actuator Motor; Door Lock Actuator; Lock Actuator; Electric and Vacuum Door Locks; End Gate Electrical Actuator Kit.
- Position: Rear
- Replaces: 16627973, 25664020, 16632015, 16636561, 22144363, 3635350
- Item Weight: 0.70 Pounds
- Item Dimensions: 6.1 x 4.3 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25664288
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Door Jamb Switch Part Number: 25664287
$86.48 MSRP: $130.44
You Save: $43.96 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator Kit, Door Lock; Door Lock Actuator; Lock Actuator; Actuator; Actuator Kit, Door Electric And Vacuum Locks; Actuator Kit, Door And End Gate Electrical
- Position: Rear
- Replaces: 16636560, 16627972, 22144360, 16624970, 22144362, 3635351, 16632014, 25664019
- Item Weight: 0.70 Pounds
- Item Dimensions: 6.1 x 4.1 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25664287
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock, Front Driver Side Part Number: 16629727
$189.39 MSRP: $268.69
You Save: $79.30 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lock, Front Side Door; Door Lock; Lock, Door Lock
- Position: Front Driver Side
- Item Weight: 1.10 Pounds
- Item Dimensions: 6.4 x 3.3 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16629727
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock Actuator Part Number: 16640852
$71.70 MSRP: $112.20
You Save: $40.50 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator; Door Lock Actuator; Lock Solenoid; Actuator, Rear Compartment Lid Release Or Ajar
- Replaces: 16632227
- Item Weight: 0.70 Pounds
- Item Dimensions: 8.1 x 3.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16640852
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock, Rear Passenger Side Part Number: 16636578
$91.52 MSRP: $132.09
You Save: $40.57 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Latch Sub Assembly-Rear Door Service None; Door Lock Actuator Motor; Door Latch Assembly; Trunk Latch; Door Lock; Latch; Latch, Rear Compartment Lid Or Tail Gate Latch; Latch, Rear Side Door
- Position: Rear Passenger Side
- Replaces: 16629716
- Item Weight: 1.10 Pounds
- Item Dimensions: 6.2 x 3.2 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16636578
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock, Rear Part Number: 10445387
$298.95 MSRP: $408.48
You Save: $109.53 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Latch, Rear Compartment Lid Or Tail Gate Latch; Trunk Latch; Door Lock; Latch; Latch, Rear Compartment Lid Release Or Ajar
- Position: Rear
- Item Weight: 1.30 Pounds
- Item Dimensions: 10.4 x 6.3 x 2.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10445387
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- GS, LS | 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock, Rear Driver Side Part Number: 16636579
Product Specifications
- Other Name: Latch Sub Assembly-Rear Door Service None; Door Lock Actuator Motor; Door Latch Assembly; Trunk Latch; Door Lock; Latch; Latch, Rear Compartment Lid Or Tail Gate Latch; Latch, Rear Side Door
- Position: Rear Driver Side
- Replaces: 16629717
- Item Weight: 1.60 Pounds
- Item Dimensions: 8.1 x 4.8 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16636579
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock, Passenger Side Part Number: 16629726
Product Specifications
- Other Name: Lock, Door Lock; Lock, Front Side Door; Door Lock
- Position: Passenger Side
- Item Weight: 1.10 Pounds
- Item Dimensions: 6.2 x 3.3 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16629726
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
View related parts
2004 Buick Regal Lock Part Number: 89044538
Product Specifications
- Other Name: Latch, Rear Side Door; Door Latch Assembly; Door Lock
- Position: Rear Passenger Side
- Item Weight: 1.00 Pounds
- Item Dimensions: 5.6 x 3.1 x 2.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89044538
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- GS, LS | 6 Cyl 3.8 L GAS

2004 Buick Regal Door Lock Actuator

With a comprehensive array of OEM 2004 Buick Regal Door Lock Actuator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Buick Regal Door Lock Actuator are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2004 Buick Regal Door Lock Actuator Parts and Q&A

Q: How to replace the rear door lock actuator on 2004 Buick Regal?
A: In order to replace the rear door lock actuator, unscrew the rear door lock actuator and the screws holding the actuator. Unscrew it off the lock, and fit the new actuator, by screws as shown in the Fastener Notice. Lastly, re-fit the rear door lock.