Mercury & Mariner Outboard Pistons

**Red Rhino Piston Chart**
HP	Year	Original Bore Size	Size	Port	Stbd	Bore Size
50-60 HP 3 Cyl	1991-1997	2.955	0.015 0.030	ME-472 ME-473		2.970 2.985
40-60 HP 3 Cyl	1998-2006	2.993	0.015 0.030	ME-792 ME-793		3.008 3.023
70-125 HP Small Bore Bottom Guided	1987-1991	3.375	0.015 0.030	ME-202 ME-203		3.390 3.405
70-125 HP Small Bore Top Guided	1992-1993	3.375	Std. 0.015 0.030	ME-420 ME-422 ME-423		3.375 3.395 3.405
70-125 HP Big Bore	1994-2006	3.500	Std. 0.015 0.030	ME-620 ME-622 ME-623		3.500 3.515 3.530
135-150 HP V6 2.0L	1992-2001	3.125	0.015 0.030	ME-P402 ME-P403	ME-S402 ME-S403	3.140 3.155
150-200 HP Carb/EFI V6 2.5L	1992-2005	3.500	Std. 0.015 0.030	ME-P370 ME-P372 ME-P373	ME-S370 ME-S372 ME-S373	3.500 3.515 3.530
135-175 HP V6 2.5L DFI	1998-1999	3.500	0.015 0.030	ME-P922 ME-P923	ME-S922 ME-S923	3.515 3.530
135-175 HP V6 2.5L DFI	2001 & Up	3.500	Std. 0.015	ME-P970 ME-P972	ME-S970 ME-S972	3.500 3.515
225/250 HP 3.0L Carb/EFI	1995-2006	3.625	Std. 0.015 0.030	ME-P700 ME-P702 ME-P703	ME-S700 ME-S702 ME-S703	3.625 3.640 3.655
3.0L DFI	2003 & Up	3.6265	Std. 0.015 0.030	ME-P910 ME-P912 ME-P913	ME-S910 ME-S912 ME-S913	3.6265 3.6415 3.6565

New WSM / Mercury & Mariner 20-50 HP Crossflow Outboard Ring Set OEM #39-18653A12

MSRP:

Was:

Now: $18.65

Choose Options
New Red Rhino / Mercury & Mariner 1998-2003 Cast Piston for 3 Cylinder 40-60 HP Powerheads

MSRP:

Was:

Now: $83.23

Choose Options
New Red Rhino / Mercury & Mariner 1991-1997 Cast Piston for 3 Cylinder 50-60 HP Powerheads

MSRP:

Was:

Now: $83.23

Choose Options
New Red Rhino / Mercury & Mariner 2001 & up Cast Piston for V6 2.5L 135-175 HP DFI Powerheads

MSRP:

Was:

Now: $129.95

Choose Options
New Red Rhino / Mercury & Mariner Cast Piston for V6 2.5L 135-175 HP DFI Powerheads 1998-1999

MSRP:

Was:

Now: $95.83

Choose Options
New Red Rhino / Mercury & Mariner 1992-2001 Cast Piston for V6 2.0L 135/150 HP Powerheads

MSRP:

Was:

Now: $109.90

Choose Options
New Red Rhino / Mercury & Mariner 1992-2004 Cast Piston for V6 2.5L 150-200 HP Carb/EFI Powerheads

MSRP:

Was:

Now: $129.95

Choose Options
New Red Rhino / Mercury & Mariner Cast Piston for V6 2.4L Powerheads

MSRP:

Was:

Now: $104.95

Choose Options
New Red Rhino / Mercury & Mariner 1994-2003 Cast Piston for Big Bore Powerheads

MSRP:

Was:

Now: $108.95

Choose Options
New Red Rhino / Mercury & Mariner 1992-1993 Cast Piston for Small Bore Top Guided Powerheads

MSRP:

Was:

Now: $114.90

Choose Options
New Red Rhino / Mercury & Mariner Cast Piston for Small Bore Bottom Guided Powerheads

MSRP:

Was:

Now: $114.90

Choose Options
New Red Rhino / Mercury & Mariner 2003 & up Cast Piston for V6 3.0L 200/225/250 HP DFI Powerheads

MSRP:

Was:

Now: $129.95

Choose Options
New Red Rhino / Mercury & Mariner 1994-2006 Cast Piston for V6 3.0L 225-250 HP Carb/EFI Powerheads

MSRP:

Was:

Now: $116.95

Choose Options

New WSM / Mercury & Mariner 20-50 HP Crossflow Outboard Ring Set OEM #39-18653A12

This listing is for a New WSM Mercury/Mariner 20-50 HP Crossflow Ring Set. OEM #39-18653A12. Original bore size 2.565". These are available in Standard (2.565" bore size), 0.010 (2.575" bore size), 0.015 (2.580" bore size), 0.020 (2.585" bore size), 0...

MSRP:

Was:

Now: $18.65

Choose Options
New Red Rhino / Mercury & Mariner 1998-2003 Cast Piston for 3 Cylinder 40-60 HP Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1998-2003 Cast Piston for 3 Cylinder 40-60 HP Powerheads. Original bore size 2.993. These are available in Standard (2.993 bore size), 0.015 (3.008 bore size), & 0.030 (3.023 bore size)...

MSRP:

Was:

Now: $83.23

Choose Options
New Red Rhino / Mercury & Mariner 1991-1997 Cast Piston for 3 Cylinder 50-60 HP Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1991-1997 Cast Piston for 3 Cylinder 50-60 HP Powerheads. Original bore size 2.955. These are available in 0.015 (2.970 bore size), & 0.030 (2.985 bore size). NOTE: Please ensure that the...

MSRP:

Was:

Now: $83.23

Choose Options
New Red Rhino / Mercury & Mariner 2001 & up Cast Piston for V6 2.5L 135-175 HP DFI Powerheads

This listing is for New Red Rhino / Mercury & Mariner 2001 & up Cast Piston for V6 2.5L 135-175 HP DFI Powerheads. Original bore size 3.500. These are available in Standard (3.500 bore size), & 0.015 (3.515 bore size). You will need to...

MSRP:

Was:

Now: $129.95

Choose Options
New Red Rhino / Mercury & Mariner Cast Piston for V6 2.5L 135-175 HP DFI Powerheads 1998-1999

This listing is for New Red Rhino / Mercury & Mariner Cast Piston for V6 2.5L 135-175 HP DFI Powerheads 1998-1999. Original bore size 3.500. These are available in 0.015 (3.515 bore size), & 0.030 (3.530 bore size). You will need to specify...

MSRP:

Was:

Now: $95.83

Choose Options
New Red Rhino / Mercury & Mariner 1992-2001 Cast Piston for V6 2.0L 135/150 HP Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1992-2001 Cast Piston for V6 2.0L 135/150 HP Powerheads. Original bore size 3.125. These are available in 0.015 (3.140 bore size), & 0.030 (3.155 bore size). You will need to specify between...

MSRP:

Was:

Now: $109.90

Choose Options
New Red Rhino / Mercury & Mariner 1992-2004 Cast Piston for V6 2.5L 150-200 HP Carb/EFI Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1992-2004 Cast Piston for V6 2.5L 150-200 HP Carb/EFI Powerheads. Original bore size 3.500. These are available in Standard (3.500 bore size), 0.015 (3.515 bore size), & 0.030 (3.530 bore...

MSRP:

Was:

Now: $129.95

Choose Options
New Red Rhino / Mercury & Mariner Cast Piston for V6 2.4L Powerheads

This listing is for New Red Rhino / Mercury & Mariner Cast Piston for V6 2.4L Powerheads. Original bore size 3.375. These are available in Standard (3.377 bore size), & 0.015 (3.390 bore size). You will need to specify between Port and...

MSRP:

Was:

Now: $104.95

Choose Options
New Red Rhino / Mercury & Mariner 1994-2003 Cast Piston for Big Bore Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1994-2003 Cast Piston for Big Bore Powerheads. Original bore size 3.500. These are available in Standard (3.500), 0.015 (3.515 bore size), & 0.030 (3.530 bore size). This will work with the...

MSRP:

Was:

Now: $108.95

Choose Options
New Red Rhino / Mercury & Mariner 1992-1993 Cast Piston for Small Bore Top Guided Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1992-1993 Cast Piston for Small Bore Top Guided Powerheads. This is for use with rod # 646-818846. Original bore size 3.375. These are available in Standard (3.375), 0.015 (3.390 bore size), &...

MSRP:

Was:

Now: $114.90

Choose Options
New Red Rhino / Mercury & Mariner Cast Piston for Small Bore Bottom Guided Powerheads

This listing is for New Red Rhino / Mercury & Mariner Cast Piston for Small Bore Bottom Guided Powerheads. This is for use with rod # 638-85321. Original bore size 3.375. These are available in 0.015 (3.390 bore size), & 0.030 (3.405 bore size)...

MSRP:

Was:

Now: $114.90

Choose Options
New Red Rhino / Mercury & Mariner 2003 & up Cast Piston for V6 3.0L 200/225/250 HP DFI Powerheads

This listing is for New Red Rhino / Mercury & Mariner 2003 & up Cast Piston for V6 3.0L 200/225/250 HP DFI Powerheads. Original bore size 3.6265. These are available in Standard (3.6265 bore size), 0.015 (3.6415 bore size), & 0.030 (3.6565...

MSRP:

Was:

Now: $129.95

Choose Options
New Red Rhino / Mercury & Mariner 1994-2006 Cast Piston for V6 3.0L 225-250 HP Carb/EFI Powerheads

This listing is for New Red Rhino / Mercury & Mariner 1994-2006 Cast Piston for V6 3.0L 225-250 HP Carb/EFI Powerheads. Original bore size 3.625. These are available in Standard (3.625 bore size), 0.015 (3.640 bore size), & 0.030 (3.655 bore...

MSRP:

Was:

Now: $116.95

Choose Options

Receive Discounts. Join Our Newsletter.