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⚙️ Keep your GM engine running smarter, not harder!
The GM Genuine Parts 213-3521 Ignition Knock Sensor is a precision-engineered, GM OE-certified component designed to detect engine knock and optimize ignition timing. Built with durable metal materials and rated for high temperatures, it ensures reliable performance and longevity. This sensor is a direct replacement for your GM vehicle’s original part, backed by a 24-month unlimited mile warranty, making it the trusted choice for maintaining engine health and efficiency.





| ASIN | B000K02EDG |
| Best Sellers Rank | #13,511 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Replacement Detonation Sensors |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Customer Reviews | 4.3 out of 5 stars 2,268 Reviews |
| Global Trade Identification Number | 00707773013601 |
| Included Components | Ignition Knock (Detonation) Sensor |
| Item Dimensions | 2.7 x 2.7 x 2.3 inches |
| Item Type Name | Ignition Knock (Detonation) Sensor |
| Item Weight | 2.88 ounces |
| Item dimensions L x W x H | 2.7 x 2.7 x 2.3 inches |
| Manufacturer | ACDelco |
| Material | Metal |
| Material Type | Metal |
| Maximum Supply Voltage | 12 volts_of_direct_current |
| Model | 213-3521 |
| Mounting Type | Flange Mount |
| Number of Items | 1 |
| Output Type | Push Button |
| Part Number | 12589867 |
| Specific Uses For Product | engine protection and performance optimization in GM vehicles |
| Style | Modern |
| Style Name | Modern |
| UPC | 707773013601 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 250 °F |
| Warranty Description | 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
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