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Global Parts 1815056 Ignition Knock (Detonation) Sensor
| Brand | Global Parts 1815056 |
|---|---|
| Terminal Type | Blade |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Fits | Buick, Cadillac, and Chevrolet · 15 vehicles |
Detonation sensing. Detects unusual engine vibrations caused by pre-ignition or knock.
Blade terminal. Uses a 2-terminal blade connection with a single oval female connector.
Cross-references Standard Ignition KS511, 55494828 and ES113706 for the same application. See all 3.
Ignition Knock Sensor for GM Applications
Global Parts 1815056 is an ignition knock sensor used to monitor engine vibration patterns linked to pre-ignition and detonation. It is a direct-fit emission control sensor for select Buick, Cadillac, and Chevrolet applications, including the Chevrolet Corvette, Chevrolet Trailblazer, Buick Envista, Buick Encore GX, and Cadillac CT6.
Key Features
- Blade terminal type with a 2-terminal layout
- Single female connector with an oval connector shape
- Engine knock sensor for block, cylinder head, or intake manifold mounting locations
- Built for vehicles that use knock detection to help manage ignition timing
- Global Parts part number 1815056 for application matching
Detailed Description
This knock sensor is designed to detect abnormal engine vibrations caused by detonation or pre-ignition so the engine control system can respond appropriately. Global Parts 1815056 matches the electrical and connector style requirements of the listed applications, making it a practical replacement for vehicles that rely on accurate knock feedback. This part cross-references Standard Ignition KS511 for the same application.
Compatible With 2024-2025 Buick Envista, N/A; 2023-2025 Chevrolet Corvette, N/A; 2021-2025 Chevrolet Trailblazer, N/A; 2020-2022 Buick Encore GX, N/A; and 2019-2020 Cadillac CT6, N/A. For buyers searching for a knock sensor for 2023-2025 Chevrolet Corvette or a replacement knock sensor for 2021-2025 Chevrolet Trailblazer, Global Parts 1815056 is the listed fitment reference.
What It Helps Address
- Knock sensor fault codes related to abnormal combustion detection
- Engine pinging or spark knock concerns tied to detonation sensing
- Rough running caused by incorrect knock signal input
- Reduced engine response when the control system receives inaccurate vibration data
- Check engine light conditions associated with knock sensor circuit issues
Installation Notes and Tips
Verify the connector shape, terminal count, and mounting location against the original sensor before installation. Because knock sensors are sensitive to engine vibration and torque specifications, follow the vehicle service procedure for the exact Buick, Cadillac, or Chevrolet application. Confirm the part number 1815056 and the vehicle year range before replacing the sensor.
Quality Assurance
Global Parts supplies application-specific replacement components for emission control and engine management systems. This sensor is built to match the listed fitment and connector configuration for the confirmed vehicles.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | Buick | Envista | — | — | 1.2L | L3 | — | N/A | — |
| 2025 | Chevrolet | Corvette | — | — | 5.5L | V8 | — | N/A | — |
| 2025 | Chevrolet | Trailblazer | — | — | 1.2L | L3 | — | N/A | — |
| 2024 | Buick | Envista | — | — | 1.2L | L3 | — | N/A | — |
| 2024 | Chevrolet | Corvette | — | — | 5.5L | V8 | — | N/A | — |
| 2024 | Chevrolet | Trailblazer | — | — | 1.2L | L3 | — | N/A | — |
| 2023 | Chevrolet | Corvette | — | — | 5.5L | V8 | — | N/A | — |
| 2023 | Chevrolet | Trailblazer | — | — | 1.2L | L3 | — | N/A | — |
| 2022 | Buick | Encore GX | Preferred | AWD | 1.2L | L3 | GAS | N/A | — |
| 2022 | Chevrolet | Trailblazer | L | FWD | 1.2L | L3 | GAS | N/A | — |
| 2021 | Buick | Encore GX | — | — | 1.2L | L3 | — | N/A | — |
| 2021 | Chevrolet | Trailblazer | — | — | 1.2L | L3 | — | N/A | — |
| 2020 | Buick | Encore GX | — | — | 1.2L | L3 | — | N/A | — |
| 2020 | Cadillac | CT6 | — | — | 4.2L | V8 | — | N/A | — |
| 2019 | Cadillac | CT6 | — | — | 4.2L | V8 | — | N/A | — |
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