OE Quality
60-Day Returns

Standard Ignition PC551 Engine Camshaft Position Sensor
Reliable Engine Camshaft Position Sensor for Lexus LS400
The Standard Ignition PC551 Engine Camshaft Position Sensor is designed specifically for Lexus LS400 models. This sensor features a female oval plug-in connector with two male blade terminals, ensuring precise fitment and reliable engine timing performance.
Key Features of Standard Ignition PC551 Sensor
- Connector Gender: Female for secure connection
- Connector Shape: Oval, designed for exact fit
- Connector Type: Plug-in for easy installation
- Terminal Gender: Male blade terminals
- Terminal Quantity: 2 terminals for accurate signal transmission
- Terminal Type: Blade style for durability and conductivity
Detailed Description of the PC551 Camshaft Position Sensor
The Standard Ignition PC551 camshaft position sensor is engineered to meet the specific requirements of the Lexus LS400. Its female oval plug-in connector allows for a straightforward and secure connection to the vehicle’s wiring harness. The sensor’s two male blade terminals provide reliable electrical contact, essential for accurate camshaft position detection. This sensor plays a critical role in engine management by monitoring the camshaft’s position and sending signals to the engine control unit (ECU), which helps optimize fuel injection and ignition timing.
Common Applications and Issues Addressed
- Restores proper engine timing and synchronization
- Eliminates engine misfires related to camshaft sensor failure
- Resolves rough idling and stalling problems
- Improves engine starting reliability
- Prevents check engine light triggers related to camshaft sensor faults
Installation Notes and Tips
When installing the Standard Ignition PC551 sensor on a Lexus LS400, ensure the connector is fully seated to avoid intermittent electrical issues. Handle the sensor carefully to prevent damage to the blade terminals. It is recommended to disconnect the battery before installation to avoid electrical shorts. Verify sensor alignment and torque specifications according to the vehicle’s service manual for optimal performance.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your Lexus LS400. The PC551 camshaft position sensor undergoes rigorous quality control testing to ensure durability and accuracy. This part is backed by Standard Ignition’s limited warranty, covering defects in material and workmanship under normal use.
| Brand | Standard Ignition |
|---|---|
| Part Number | PC551 |
| Connector Gender | Female |
| Connector Shape | Oval |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Lexus | LS400 | N/A | Sensor Only; On Timing Gear Cover |
| 1999 | Lexus | LS400 | N/A | Sensor Only; On Timing Gear Cover |
| 1998 | Lexus | LS400 | N/A | Sensor Only; On Timing Gear Cover |
* 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.