


Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley with Isolated Grounding - 621-120-K6
Marsoni
M251S
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Friday, May 29
Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley with Isolated Grounding - 621-120-K6Balmar Alternator 120 Amp 12V Single Foot with K6 Pulley & Isolated Ground 621 120 K6 The Balmar 621 Series Alternator 120 Amp, 12 Volt (621 120 K6) is a high output marine alternator designed for boats requiring dependable charging power in a compact, engine friendly package. Featuring a 1 2 single foot mount, K6 serpentine pulley, and isolated grounding, this alternator is ideal for modern marine electrical systems with sensitive electronics and
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★★★★★ 4
Did not fit right out of box. Had to trim with scissors.
Size: 1 Count (Pack of 1)
Good value. A little flimsy but pretty much what I expected. My only real complaint is that out of the box it did not drop right in to my Honda Odyssey. I had to trim the tabs on one end with scissors for it to fit in to the filter housing.
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Reviewed in the United States on April 6, 2024
★★★★★ 5
2016 Honda Accord fits perfect!
Size: 1 Count (Pack of 1)
Works great and fits perfect for my 2016 Honda Accord 2.4L
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Good Quality, Easy to Install
Size: 1 Count (Pack of 1)
Good product, easy to install, but make sure to locate the direction arrow for proper installation. This one didn't have a very clear arrow but figured it out quickly and the install was done in seconds. I recommend this product.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
DIY - Save $$
Size: 1 Count (Pack of 1)
Comparable item dealers provide, but if you can DIY, you’ll save $40-50 bucks installation. Helpful hint, before installing, take a market and put the date and mileage of the end of the filter. Unless you drive a lot, the filters generally last a year.
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Reviewed in the United States on November 23, 2025
★★★★★ 5
It fits.
Size: 1 Count (Pack of 1)
It fits our 2016 Honda CRV.
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Reviewed in the United States on March 28, 2026