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Dorman 940-404 Trunk Lock Actuator Motor - Rear
Dorman 940-404 Trunk Lock Actuator Motor
This Dorman trunk lock actuator motor restores trunk latch operation with a direct replacement design that matches the original equipment fit and function. Built for the rear trunk area on select Acura TL models, it plugs into the factory wiring for a clean replacement path.
- Direct replacement trunk lock actuator motor for OE-style fit and function
- Electric activation with a 3-terminal pin connection
- Rectangle female connector with male terminals for factory-style hookup
- Metal and plastic construction with a metal housing
- Designed to plug into the original wiring harness without lead wires
- Fits 2004-2008 Acura TL, rear, includes switch; assembly includes handle
Fitment and Application Details
Compatible with 2004-2008 Acura TL rear trunk latch applications, this Dorman 940-404 actuator is built for vehicles that need a replacement trunk release motor to restore normal latch operation. It is a direct-fit solution for Acura TL trunk lock actuator replacement and is intended for the rear position only. This part cross-references Honda/Acura OE number 74851SDAA21 for the same application.
Common Problems This Part Can Solve
- Trunk will not open with the release switch or keyless entry
- Intermittent or weak trunk latch movement
- Broken or worn actuator motor inside the trunk latch assembly
- Electrical failure at the trunk release mechanism
- Need for a replacement trunk lock actuator on a 2004-2008 Acura TL
Installation Notes and Tips
Verify connector shape, terminal count, and rear-position fitment before installation. This actuator plugs into the factory wiring and does not require lead wires or installation hardware. Because the notes indicate an assembly that includes the handle and switch, compare the existing trunk latch assembly to confirm the correct service part for your Acura TL.
Quality Assurance
Dorman replacement parts are engineered to match original equipment fit and function, helping restore proper trunk latch operation with a factory-style installation approach.
| Brand | Dorman |
|---|---|
| Part Number | 940-404 |
| Activation Type | Electric |
| Attached Lead Wires | No Lead Wires Required |
| Connector Gender | Female |
| Connector Shape | Rectangle |
| Height | 190 |
| Housing Material | Metal |
| Installation Hardware Included | Not Required |
| Length | 100 |
| Material | Metal |
| Material | Plastic |
| Mounting Hardware Included | No |
| Package Contents | 1 Trunk Lock Actuator |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Pin |
| Width | 55 |
| Wiring Harness Included | No |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Acura | TL | Rear | Includes Switch; Assembly (Includes Handle) |
| 2007 | Acura | TL | Rear | Includes Switch; Assembly (Includes Handle) |
| 2006 | Acura | TL | Rear | Includes Switch; Assembly (Includes Handle) |
| 2005 | Acura | TL | Rear | Includes Switch; Assembly (Includes Handle) |
| 2004 | Acura | TL | Rear | Includes Switch; Assembly (Includes Handle) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.