★★★★★ 5
Great
All pieces cut to perfection, went together perfectly
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Reviewed in the United States on October 22, 2023
WSM Belt, Serpentine Mercruiser 4.3 - 5.7L - 18-15116, 57-861758, 57-861758Q
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Belt, Serpentine Mercruiser 4.3 - 5.7L - 18-15116, 57-861758, 57-861758QItem#: 18 15116 Belt, Serpentine Mercruiser 4. 3 5. 7L OEM#: 57 861758, 57 861758Q, 861758, 861758Q Brand: Sierra FITMENTS: Make Model Year(s) Mercruiser 4. 3L V6 ALL Mercruiser 4. 3L V6 EFI ALL Mercruiser 5. 0L V8 ALL Mercruiser 5. 7L V8 ALL
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- Fast: 2-3 business days
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Exchange/Return Notes
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4.7 ★★★★★
Based on 1304 reviews
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Product Reviews
★★★★★ 1
Some of the components are plastic
This is not a heavy duty application what so ever . One of the flanges broke . We do not recommend this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2024
★★★★★ 2
Quality control lacking
One tee conector was missing. Nothing avaliable locally that fits.
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Reviewed in the United States on July 13, 2025
★★★★★ 1
It doesn’t stay in
The pipe keeps coming out. Not worth the money. Not sturdy to hold a top table.
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Reviewed in the United States on February 20, 2024
★★★★★ 2
Good finish, poor hardware.
Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly.
Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration.
Ended up running self tapping screws thru parts to complete assembly.
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Reviewed in the United States on February 26, 2024
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