The switch retainer and trim switch components work together inside the lower cowl section of select Mercury outboards. The trim switch provides the driver with trim-up and trim-down control at the engine, while the switch retainer securely holds the switch in place within the cowl. Both parts are built to Mercury’s standards for durability and proper fit, ensuring smooth operation and reliable response when adjusting engine trim at the source.
They are ideal replacements if the switch becomes worn, the buttons fail intermittently, or the retainer no longer holds the switch securely.
Genuine Mercury lower-cowl switch and retainer
Provides reliable trim-up and trim-down control
Retainer locks the switch securely into the cowl housing
Built with marine-grade materials for heat and vibration exposure
Direct OEM replacements with accurate fit and proper connector alignment
Restores responsive engine-mounted trim control
Eliminates loose or misaligned switch issues
Ensures the switch stays correctly positioned inside the lower cowl
Helps prevent water intrusion and electrical faults
Maintains factory reliability and performance
175 HP 3.4L V6 (Serial: 2B529482 & Up)
200 HP 3.4L V6 (Serial: 2B529482 & Up)
225 HP 3.4L V6 (Serial: 2B529482 & Up)
250 HP 4.6L V8 Verado (Serial: 2B529482 & Up)
250 HP 4.6L V8 SeaPro (Serial: 2B529482 & Up)
250 HP 4.6L V8 Pro XS (Serial: 2B529482 & Up)
300 HP 4.6L V8 Verado (Serial: 2B529482 & Up)
300 HP 4.6L V8 SeaPro (Serial: 2B529482 & Up)
300 HP 4.6L V8 Racing (AMS) (Serial: 1E001459 & Up)
250R HP 4.6L V8 Racing (Serial: 1E080500 & Up)
300R HP 4.6L V8 Racing (Serial: 1E080500 & Up)
450R HP 4.6L V8 Racing (Serial: 1E080306 – 1E099720)
500R HP 4.6L V8 Racing (Serial: 1E099432 & Up)
350 HP 5.7L V10 Verado (Serial: 3B266064 – 3B576448)
350 HP 5.7L V10 SeaPro (Serial: 3B266064 & Up)
400 HP 5.7L V10 Verado (Serial: 3B266064 & Up)
400 HP 5.7L V10 Racing (Serial: 3B272954 & Up)
425 HP 5.7L V10 Verado (Serial: 3B576447 & Up)