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Part # 18-5951
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Part # 18-5976
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Mercury Marine, Mercruiser Inboard Replacement Inboard Alternator 60055 - Arco
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Valeo, Volvo-Penta Replacement Inboard Alternator 80108 - Arco
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Part # 20020-60A
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Sierra

Sierra Marine Alternators (Video)




Video Transcript

Sierra’s all new replacement alternators meet or exceed OEM output specifications for guaranteed performance. They feature plated fans, pulleys and hardware that resists corrosion even in the harshest marine environment. Flame arrestor screens provide safety SAEJ1171 and corrosion resistance. A wiring harness supplied as required by application for easy installation.

Sierra offers the most complete alternator coverage for outboard stern drives and diesel applications. They are 100% load tested for assured reliability.

Powder coated housings and anodized hardware is used on remanufactured units for maximum corrosion protection. All units meets or exceeds US Coast Guard safety requirements. And higher output upgrades are available to the most popular applications to help support any added electronic accessories. Our alternators cover a wide range of applications.

Like all Sierra products our electric rotating components are backed by our industry-leading warranty. Rotating electric components are exposed to a demanding environment. Sierra’s limited lifetime warranty gives you unparalleled peace of mind, protecting both you and your customer in the case of part failure. The Sierra warranty pays all associated fees including towing fees, parts replacement, incidental parts damage, and posted shop labor rates. So no one protects you and your reputation like Sierra. Thanks for watching.
Average Customer Review for Alternator - 18-5957 - Sierra
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Alternator
by William from Chapel Hill, North Carolina on May 21, 2012
The product came as promised and worked fine.
(6 of 12 people found this review helpful)
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Good Price but at a Cost
by Karl from Bellevue, Washington on October 08, 2012
I bought this as replacement alternator for my Vovlo Penta 8.1 Gxi-a. The old Vovlo Penta alternator had rusted solid as it sat out under cover for the past year. You can imagine my surprise when I started the boat and immediately saw thick back smoke coming off the serpintine belt. This API marine had the best price and it arrived in about 10 days. Despite that it was advertised as a direct replacement the 2 mouting bolt hole very about 1/32" too small to fit the existing bolts. The bolts are threaded so using smaller bolts wouldn't work so I had to buy a 27/64 (closest I could find at the local hardware store) and drill out the holes. I braced the alternator between two 4x4's with the pulley down and then used an 18V cordless drill to overbore the holes. The drill bit cut easily and I had not problem acheiving a nice straight bore. Sending the alternator back and waiting another 2 weeks was not an option as I'm in the process of selling the boat. Once installed it seemed to work fine. I'm giving it 3 stars because of incorrect sized mounting holes and the need to drill them out. Note I did use the exact part number off of the original alternator and API Marine version was listed as direct replacement.
(1 of 1 people found this review helpful)
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Q:
Will this fit 87 omc 3.0 liter?
A:
We will actually need your engine model number in order to match up correct alternator.


Q:
WILL THIS FIT IN A 1994 FOUR WINNS SUNDOWNER 195, 5.0 LITER 190 HP ? IT IS NOT FUEL INJECTED, CARBERATOR?
A:
It will depend on the engine manufacturer as well. If you can provide that along with a serial/model number, we will take a look for you.


Q:
Cant i just buy a alternator for a ford ranger with 2.3liter engine?
A:
Well we have no way of matching it up by car as we can only match it up by marine application. The engines this replaces is marine grade.


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