Topfactory Knock Sensor: Engine performance optimization
Engine knocking is the automotive equivalent of a bad cough—it signals trouble deep within. The knock sensor is the engine's stethoscope, listening for that telltale pinging caused by uneven fuel combustion. When it detects trouble, it sends an alert to the engine control unit (ECU), which tweaks the ignition timing on the fly. This quick fix prevents damage, boosts efficiency, and keeps your ride humming smoothly—saving you money on fuel, cutting emissions, and prolonging engine life.
This little gadget is a perfect fit for a range of General Motors workhorses, from Buicks and Chevys to Cadillacs, GMCs, Pontiacs, and even Hummers. It's a direct swap for OEM codes like 12589867 and 12601822, making upgrades a breeze. In practice, slapping in a new sensor can banish woes like sluggish acceleration, power dips, or that annoying check engine light. Think of it as a tune-up in a box: regular swaps ward off pricey overhauls and keep your car purring like it just rolled off the lot.
Features
- Compatible with multiple vehicle brands
- Easy installation process
- Durable construction
- Accurate knock detection
- Engine performance optimization
General specs
- Brand: Topfactory
- Seller: Joom
- ID: 689c4760a67f5101f96af2ba
- Compatibility: Buick, Chevy, Cadillac, GMC, Pontiac, Hummer
- Part Numbers: 12589867, 12601822
- Quantity: 2 pieces
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$45.96
Last price update: 11/15/25
Out of stock
Price History for seller Joom
| Date | Price |
|---|---|
| 11/15/25 | $45.96 |
| 8/24/25 | $41.34 |
Shipping options
Delivery to 
Russia
Russia
Available
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Knock Sensor Engine performance optimization
|
feiyanautoparts 10456520 Accurate engine timing
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Automotivemechanicalcomponents 5033308AB Precise engine timing
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FST UNITED GROUP 30530-P8F-A01 High sensitivity
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Optimized General 28600-RAY-003ML High precision measurement
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Tesla Car parts 89465-20A00 High compatibility
|
|
| Brand | Topfactory | feiyanautoparts | Automotivemechanicalcomponents | FST UNITED GROUP | Optimized General | Tesla Car parts |
| Model | 10456520 | 5033308AB | 30530-P8F-A01 | 28600-RAY-003ML | 89465-20A00 | |
| Color | ||||||
| Rating |
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| Price | $45.96 | $27.78 | $40.83 | $36.07 | $77.86 | $41.38 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | November 14, 2025 | November 30, 2025 | December 6, 2025 | December 6, 2025 | November 30, 2025 | December 6, 2025 |
| Compatibility | Buick, Chevy, Cadillac, GMC, Pontiac, Hummer | Chevrolet | Dodge vehicles | Vehicle specific | Multiple vehicle models | Various vehicle models |
| Installation | Requires basic tools | Easy, tool-free | Easy to install | |||
| Material | Durable plastics and metals | High-grade materials | Durable metals and plastics | Durable construction materials | ||
Knock Sensor
$45.96
