OE Quality
60-Day Returns

Standard Ignition DS-1664 Door Jamb Switch - Front Left or Front Right
Overview of Standard Ignition DS-1664 Door Jamb Switch
The Standard Ignition DS-1664 door jamb switch is designed specifically for Lexus LS430 models, providing reliable electrical activation for door-related functions. This black, plastic and rubber switch features a normal activation style and a direct mounting type for straightforward installation.
- Compatible with Lexus LS430 vehicles
- Normal activation style for consistent operation
- Durable plastic and rubber construction with black finish
- Single female square connector with one blade terminal
- Plunger size of 0.48 inches (12.192 mm) for precise fit
- Direct mounting type for easy replacement
Detailed Product Description
The DS-1664 door jamb switch by Standard Ignition is engineered to meet the electrical and lighting needs of the Lexus LS430. It features a single female square connector and a male blade terminal, ensuring secure and reliable electrical connections. The switch’s plunger measures 0.48 inches (12.192 mm), designed to activate under normal conditions when the door is opened or closed. Constructed from durable plastic and rubber materials, this switch withstands regular use and environmental factors inside the vehicle door frame. The direct mounting type allows for a straightforward replacement process without the need for additional adapters or modifications.
Common Applications and Issues Addressed
- Restores interior dome light activation when doors open or close
- Resolves issues with door ajar warning lights on Lexus LS430
- Fixes problems related to power door locks or alarms triggered by faulty switches
- Eliminates intermittent electrical faults caused by worn or damaged door jamb switches
Installation Notes and Tips
- Ensure vehicle ignition is off before beginning installation
- Locate the existing door jamb switch on the door frame of the Lexus LS430
- Disconnect the wiring harness carefully; note that wiring harness is not included with this part
- Remove the old switch by unscrewing or unclipping, depending on mounting type
- Install the DS-1664 switch by direct mounting and reconnect the female connector securely
- Test door functions such as interior lights and door ajar indicators after installation
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The DS-1664 door jamb switch undergoes quality control testing to maintain consistent activation and durability. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.
| Brand | Standard Ignition |
| Part Number | DS-1664 |
| Color | Black |
| Connector Gender | Female |
| Contents | Switch |
| Finish | Plastic, Rubber |
| Functions | Door Jamb Switch |
| Mounting Type | Direct |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Lexus | LS430 | Front Left | |
| 2006 | Lexus | LS430 | Front Right | |
| 2005 | Lexus | LS430 | Front Left | |
| 2005 | Lexus | LS430 | Front Right | |
| 2004 | Lexus | LS430 | Front Left | |
| 2004 | Lexus | LS430 | Front Right | |
| 2003 | Lexus | LS430 | Front Left | |
| 2003 | Lexus | LS430 | Front Right | |
| 2002 | Lexus | LS430 | Front Right | |
| 2002 | Lexus | LS430 | Front Left | |
| 2001 | Lexus | LS430 | Front Left | |
| 2001 | Lexus | LS430 | Front Right |
* 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.