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Bestselling Piston Kit, Cast - Mercury, Mariner 20-50hp Crossflow Enjoy 35% Off [f5HCaFnY]

$29.99 $95.99 -69%

Cast Piston KitThis is a very high quality cast aluminum alloy piston. This kit comes with the piston, Riken rings, wrist pin and pin clips.Standard Bore Size: 2.565"These pistons are available in STD, .010", .015", .020", .030" and .040" oversizeTo

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Bestselling Piston Kit, Cast - Mercury, Mariner 20-50hp Crossflow Enjoy 35% Off [f5HCaFnY]

Cast Piston Kit

This is a very high quality cast aluminum alloy piston. This kit comes with the piston, Riken rings, wrist pin and pin clips.

Standard Bore Size: 2.565"

These pistons are available in STD, .010", .015", .020", .030" and .040" oversize

To order, select your desired options, then enter the quantity and click "add to cart". Most standard and oversize pistons are in stock however some sizes may be on a short backorder from time to time. Please don't hesitate to contact us for assistance.

Fits

Mercury / Mariner

20hp 1972-79 Crossflow
40hp 1990-97 Crossflow
50hp 1970-85 Crossflow

Replaces: 743-5172A6, 9229A10, 7716A2, 9229A11, 3366A2, 9229A7

What Our Customers Say

January 18, 2026

Absolutely no complaints!

Top quality and it works just about perfectly.

- Jaylee V..

January 18, 2026

Absolutely no complaints!

I'm happy with the item. It is very, very solid.

- Dayna Q..

January 18, 2026

Absolutely no complaints!

A great product. And very, very, very, very good.

- Tamala G..

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