Ignition Knock (Detonation) Sensor - GM (10456126)
Genuine OEM GM Parts & Accessories - 10456126
Ignition Knock (Detonation) Sensor - GM (10456126)
Genuine OEM GM Parts & Accessories - 10456126
- GM
- 10456126
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- MSRP: $82.18
- You Save: $34.16 (41.6% off)
- Sale Price: $48.02
- MSRP: $82.18
- You Save: $34.16 (41.6% off)
- Sale Price: $48.02

Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
- GM
- 10456126
Details
- Brand:
- SKU:
10456126
- Other Names:
Knock Sensor, 335
- Description: ACDelco Ignition Knock (Detonation) Sensor (Part Number: 10456126) is an emission-control sensor that detects engine knock and sends inputs to the Engine Control Module (ECM).
- Expanded term: Engine Control Module (ECM) — the module that uses sensor signals to adjust ignition timing.
- Function: Senses detonation/knock and alerts the ECM so timing can be corrected to prevent engine damage.
- Use-case: Replacement for engine management/diagnostic repairs where knock-sensor faults are present.
- Also known as: Knock Sensor | 335
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- Condition: New
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GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Ignition Knock (Detonation) Sensor for your 1991-1995 vehicle. GM Parts & Accessories Limited Warranty.