Mercury / Mariner 30 / 40 Hp 2.565" Piston Ring Set 200-05 STD SIZE OE 39-18653A

Marsoni

M251S

$19.07

Get it in 3 business days with 1 day shipping. Friday, May 29

Mercury / Mariner 30 / 40 Hp 2.565" Piston Ring Set 200-05 STD SIZE OE 39-18653AITEM#: 200 05 PISTON RINGS MERCURY MARINER 30 40 HP 89 97 CROSS FLOW STANDARD OEM#: 39 18653A12 STD SIZE ONLY BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 4 Cyl 2. 565 Bore Cross Flow 30 1989 1997 Mercury 4 Cyl 2. 565 Bore Cross Flow 40 1989 1997 NOTE: 2. 565" Make Model CC HP Year Mariner Mercury ELHPTO 40 1990 Mercury ELHPTO 40 1991 Mercury ELHPTO 40 1992 Mercury ELHPTO 40 1993 Mercury ELHPTO 40 1994 Mercury ELHPTO 40 1995 Mercury

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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

Verified Purchase

Carl L. Bradley

Lake Worth, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Carlos C.