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#1
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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 
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#2
08-24-2010, 06:29 AM
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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.
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#3
08-24-2010, 10:52 AM
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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.
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