5-Pin SPDT Configuration: Single Pole Double Throw (SPDT) design with 5-pin layout enables control of two separate circuits, suitable for switching between fuel pump and cooling fan operations with 40A 12VDC capacity.
Verified Vehicle Compatibility: Compatible with select Volkswagen Passat (2015-2020) and Audi A4 (2016-2021) models requiring relay part number 4H0951253C or equivalent.
Diagnostic Code Resolution: Helps address engine fault codes P0230 (fuel pump primary circuit) and P0299 (engine underboost) often caused by relay failure in compatible vehicles.
Multiple OEM Cross-Reference: Direct replacement for OEM numbers 646, V23074-A1001-X91, 4H0951253C, 4RA 007 791-20, and Bosch 0 332 019 121 with matching electrical specifications.
40A High-Current Capacity: Rated for 40A at 12VDC, providing reliable switching for high-load automotive applications including fuel pumps, HVAC blowers, and auxiliary systems.