The Walker Products Flex Fuel Sensor (part number 243-1003) is a direct-fit replacement for 2012-2018 Buick, Cadillac, Chevrolet, and GMC vehicles with 3.6L, 2.0L, and 6.0L engines. Walker Products #243-1003 is a Genuine OE Flex Fuel Sensor, made in the USA. Supports OEM replacement or high-performance E85 conversions. OE #13577429 compatible.
Features:
- Ideal for OE replacement or high-performance flex fuel conversions using E85.
- Measures ethanol content from 0% to 100% with fast, accurate frequency output.
- 50 Hz–150 Hz signal compatible with OE #13577429 systems and protocols.
- 3/8" quick-connect fittings allow easy integration in factory or custom fuel lines.
- Genuine OE sensor—made in the USA for trusted quality and reliability.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Blade Pin |
| Connector Shape | Oblong |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2012-2018 Buick, Cadillac, Chevrolet, and GMC models including LaCrosse, Regal, ATS, SRX, Caprice, Captiva Sport, Equinox, Impala and more — 3.6L, 2.0L, and 6.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Wells SU15217, SMP FFS3, Airtex 5S13811, VDO SE1004S, Spectra Premium FSA1203FFS
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
