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⚡ Stay ahead with GM’s flex fuel sensor—where precision meets power.
The GM Genuine Parts 13507128 Flex Fuel Sensor is a factory-spec replacement part designed to monitor ethanol levels in flex fuel vehicles. Manufactured to GM OE standards, it ensures perfect fit and reliable performance by providing real-time data to optimize engine air/fuel mixture and ignition timing. Rated for high durability with a 125°C temperature tolerance and backed by a 24-month unlimited mile warranty, this sensor guarantees long-lasting, efficient operation for your GM vehicle.





| ASIN | B073ZQ1G2P |
| Best Sellers Rank | #19,994 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Fuel Tank Valve Sensors |
| Brand Name | GM GENUINE PARTS |
| Customer Reviews | 4.7 4.7 out of 5 stars (490) |
| Global Trade Identification Number | 00808709652618 |
| Included Components | Flex Fuel Sensor |
| Item Dimensions | 4.3 x 3.8 x 1.3 inches |
| Item Type Name | Flex Fuel Sensor |
| Item Weight | 50 Grams |
| Manufacturer | ACDelco |
| Material Type | Metal |
| Measuring Range | 0% - 100% |
| Model | 13507128 |
| Mounting Type | Flange Mount |
| Output Type | Analog |
| Part Number | 13507128 |
| Style Name | Modern |
| UPC | 808709652618 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 125 Degrees Celsius |
| 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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