Wiring harness extension for HPFP retrofit on Gen1 B58 engines

Are you installing the upgraded HPFP from a 2020+ Toyota GR Supra (part number 13518631642) in your 2016-2019 Gen1 B46/B48/B58 vehicle? Then you need this extension harness.

Features:

• Plug-and-play for all Gen1 B58 engines when installing the B58TU high-pressure fuel pump
• Made with OE-grade components
• Thermal insulation sleeve to protect the wires
• Allows for easy installation of the upgraded HPFP