OE Quality
60-Day Returns

Global Parts 1811838 Ignition Knock (Detonation) Sensor
Overview of Global Parts Ignition Knock Sensor 1811838
The Global Parts Ignition Knock (Detonation) Sensor 1811838 is designed to monitor engine vibrations and detect knocking in Chevrolet and GMC vehicles. This sensor helps maintain optimal engine performance and efficiency by providing accurate feedback to the engine control unit.
- Length: 1.8 inches for precise fitment
- Blade terminal type with 2 terminals for reliable electrical connection
- Includes mounting hardware for straightforward installation
- Single rectangular female connector for secure attachment
- Compatible with Chevrolet Express 1500, Express 2500, GMC Savana 1500, Savana 2500, Sierra 1500, and Silverado 1500 models
Detailed Product Description
This ignition knock sensor from Global Parts features a compact 1.8-inch length and a blade terminal type with two terminals, ensuring a stable and consistent electrical connection. The sensor includes mounting hardware, simplifying the installation process. Its single rectangular female connector is designed to fit securely with the vehicle’s wiring harness, reducing the risk of connection issues. The part number 1811838 corresponds specifically to this sensor, making it a direct replacement for the listed Chevrolet and GMC models.
Function and Common Applications
The ignition knock sensor detects engine detonation or knocking, which can cause damage if left unaddressed. It sends signals to the engine control unit to adjust ignition timing and prevent engine damage. This sensor is commonly used to address issues such as:
- Engine knocking or pinging sounds
- Reduced fuel efficiency
- Check engine light related to knock sensor faults
- Poor engine performance or hesitation
- Increased emissions due to improper combustion
Installation Notes and Tips
Installation of the Global Parts 1811838 ignition knock sensor is straightforward due to the included mounting hardware. Ensure the sensor is mounted securely in the designated location on the engine block. Verify the rectangular female connector is fully seated to avoid electrical faults. It is recommended to disconnect the battery before installation to prevent electrical shorts. After installation, clear any diagnostic trouble codes and test drive the vehicle to confirm proper sensor operation.
Quality Assurance and Warranty
Global Parts manufactures this ignition knock sensor to meet OEM specifications for Chevrolet and GMC vehicles. The part number 1811838 undergoes quality checks to ensure durability and reliable performance. This sensor comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use.
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2007 | GMC | Savana 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2006 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2006 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2006 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2006 | GMC | Savana 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2006 | GMC | Savana 2500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2006 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Ignition Knock Sensor with OE number 12590195 |
| 2005 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Ignition Knock Sensor with OE number 12590195 |
| 2005 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | GMC | Savana 1500 | 4.3L | V6 | N/A | Ignition Knock Sensor with OE number 12590195 |
| 2005 | GMC | Savana 2500 | 4.3L | V6 | N/A | Ignition Knock Sensor with OE number 12590195 |
| 2005 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
* 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.