Merc vs sierra trim relay
 

got a question about merc ob trim relays. my down trim relay went out on sat and i had to swap with up to get home. i was going to replace both (15 years old) and i usually try to use merc parts. i found a sierra "lookalike" and was wondering if it was as good or any problems out of sierra elec parts. i am not a fan of their water pump impellers, but have never used any electical stuff.
thanks

use their products all teh time, Have problems with every ones parts sooner or later. BTW, SIerra has a better warranty on their impellers than Merc.You'd be suprised what they will pay for.

thanks spare, i'm going to order the relays today. on the impellers, when i use a merc, my pressure gauge reads 10- 12psi@ 4000+ rpm's, with the sierra 7-9psi. i change my water pump every spring & have noticed this consistently. never had a failure on either brand & have used each several times.
thanks again.