This Chevrolet Performance flex-fuel sensor assembly is an OE replacement that measures the ethanol content of the fuel so the engine control system can adjust fueling and spark for GM flex-fuel applications.
Specifications:
- Type: Flex-fuel (ethanol content) sensor assembly
- Grade: OE replacement
- Manufacturer: GM
- Quantity: Each
- Part number: 13507128
Applications:
- GM flex-fuel equipped applications
FAQ
What does Chevrolet Performance part 13507128 do?
It is a flex-fuel sensor assembly that measures the ethanol content of the fuel so the engine control system can adjust fueling and timing.
Is this an OE replacement part?
Yes. It is an OE replacement flex-fuel sensor assembly for GM applications.
Is any tuning required after installation?
The sensor reports ethanol content to the engine controller, so proper function depends on a control system set up to read a flex-fuel sensor. Confirm the application before installation.

