Below is a comprehensive SeaStar hydraulic steering system cylinder selection guide for outboard engines. We have included single-engine, dual engine+ cylinder selection information. Additionally, we have provided convenient links to hardware kit and tie bar application guides where appropriate.
SeaStar Hydraulic Steering System Single Engine Application Guide
HC5345-3
Johnson/Evinrude ♦ 1991 - Date ♦ 40-300 HP Johnson/Evinrude ♦ 1997 - 2006 ♦ 75-300 HP Ficht Johnson/Evinrude ♦ 2002 - Date ♦ 200 - 225 HP 4-Stroke Johnson/Evinrude ♦ 2007 - Date ♦ 3.3L V6 200 - 250 HP Mercury ♦ 1989 - Date ♦ 75 - 300 HP Mercury ♦ 2003 - Date ♦ 150 - 300 HP XS Mercury ♦ 2004 - Date ♦ 150 - 200 HP Verado Mercury ♦ 2017 - Date ♦ 175 - 200 - 225 HP 3.4L V6 Mercury ♦ 2018 - Date ♦ 250 - 300 HP 4.6L V8 Suzuki ♦ 1986 - 2000 ♦ DT - 100 HP Suzuki ♦ 1986 - 2002 ♦ 115 - 140 HP Suzuki ♦ 1986 - 2013 ♦ 150 - 225 HP 2 & 4-Stroke Suzuki ♦ 2004 - Date ♦ DF200 - 300 HP 3.6 - 4.0L V6 Suzuki ♦ 2017 - Date ♦ DF325 - 350 HP 4.4L V6 Yamaha ♦ 1986 - Date ♦ 100 - 300 HP 2-Stroke Yamaha ♦ 1990 - 2003 ♦ 40 - 90 HP 2-Stroke ♦ Requires spacer kit #HO5090 Yamaha ♦ 1997 - Date ♦ 80 - 250 HP 4-Stroke Yamaha ♦ 2000 - Date ♦ 150 - 300 HPDI Yamaha ♦ 2007 - Date ♦ 200 - 300 HP 4.2L V6 4-Stroke Yamaha ♦ 2007 - Date ♦ F300 - F350 HP 5.3 V8 Yamaha ♦ 2012 - Date ♦ 150 - 200 HP 2.8L 4 Cylinder Yamaha ♦ 2014 - Date ♦ F115B
HC5348-3
Mercury ♦ 1998 - Date ♦ 30 - 60 HP ♦ Requires spacer kit #HO5090 Yamaha ♦ 2003 - Date ♦ 25 - 70 HP 4-Stroke ♦ Requires spacer kit #HO5090 Johnson/Evinrude ♦ 1998 - Date ♦ 40 - 140 HP 4-Stroke ♦ Requires spacer kit #HO5090 Johnson/Evinrude ♦ 2000 - 2003 ♦ 115 HP Ficht ♦ Requires spacer kit #HO5090 Suzuki ♦ 1998 - Date ♦ 40 - 140 HP 4-Stroke ♦ Requires spacer kit #HO5090 Suzuki ♦ 2013 - Date ♦ 150 - 200 HP 4-Cylinder Yamaha ♦ 2011 - Date ♦ F115A including SHO 90 & 115 HP
Cylinder Selection
SeaStar Hydraulic Steering System Twin Engine Application Guide
HC5345-3
Johnson/Evinrude ♦ 1991 - Date ♦ 40 - 300 HP Johnson/Evinrude ♦ 1996 - Date ♦ 75 - 250 HP Ficht Johnson/Evinrude ♦ 2002 - Date ♦ 200 - 225 HP 4-stroke Johnson/Evinrude ♦ 2007 - Date ♦ 3.3L/3.4L 200 - 250 HP Mercury ♦ 1989 - Date ♦ 75 - 300 HP Mercury ♦ 1996 - Date ♦ 75 - 200 HP 2 & 4-stroke Mercury ♦ 1998 - Date ♦ 30 - 60 HP Mercury ♦ 2004 - Date ♦ 150 - 200 HP Verado Suzuki ♦ 1986 - 2002 ♦ 115 - 140 HP Suzuki ♦ 1986 - 2015 ♦ 150 - 300 HP 2 & 4-stroke Suzuki ♦ 1986 - Date ♦ 100 HP Suzuki ♦ 2013 - Date ♦ DF150 - 300 HP Yamaha ♦ 1986 - Date ♦ 100 - 250 HP 2-stroke Yamaha ♦ 1990 - 2007 ♦ 40 - 90 HP 2-stroke Yamaha ♦ 2000 - Date ♦ 150 - 300 HPDI Yamaha ♦ 2007 - Date ♦ 200 - 300 HP 4.2L V6 4-stroke Yamaha ♦ 2014 - Date ♦ F115B
HC5348-3
Johnson/Evinrude ♦ 2005 - Date ♦ E250 DPX Vindicator Yamaha ♦ 2003 - Date ♦ 25 - 70 HP 4-stroke
HC5358-3
Johnson/Evinrude ♦ 1998 - Date ♦ 40 - 140 HP 4-stroke Johnson/Evinrude ♦ 2000 - Date ♦ 115 HP Ficht Mercury ♦ 2002 - 2003 ♦ 225 HP 4-stroke Suzuki ♦ 1998 - Date ♦ 40 - 140 HP 4-stroke Suzuki ♦ 2003 - Date ♦ 90 HP 4-stroke Yamaha ♦ 2001 - 2003 ♦ 80 - 250 HP 4-stroke Yamaha ♦ 2003 - Date ♦ F150 - F250 3.3L Yamaha ♦ 2011 - Date ♦ F115A including SHO 90 & 115 HP Mercury ♦ 2016 - Date ♦ 150 HP 3.0L 4-stroke
HC6845
Mercury ♦ 2003 - Date ♦ 150 - 200 XS Mercury ♦ 2003 - Date ♦ 250 - 300 HP XS Suzuki ♦ 2017 -Date ♦ DF325 - 350 HP 4.4L V6 Yamaha ♦ 2007 - Date ♦ F300 - F350 HP 5.3 V8
Cylinder Selection
Tournament Series Cylinder Selection
HC6845
Part #HC6845 is the proper cylinder for single, twin single cylinder, twin dual cylinder, triple dual cylinder, quad engine dual cylinder, and quintuplet+ setups.
Cylinder Selection
BayStar Outboard Steering Application Guide
HC4645H
Johnson/Evinrude ♦ 1991 - Date ♦ 40-150 HP Johnson/Evinrude ♦ 1997 - Date ♦ 75-150 HP Ficht Mercury ♦ 1984 - Date ♦ 75-150 HP Suzuki ♦ 1986 - Date ♦ 150 HP Suzuki ♦ 1987 - 2002 ♦ 115-140 HP ♦ Requires spacer kit #HO5090 Suzuki ♦ 1990 - 2000 ♦ 90-100 HP Suzuki ♦ 1998 - Date ♦ 40-70 HP 4-Stroke ♦ Requires spacer kit #HO5090 Yamaha ♦ 1986 - Date ♦ 70-90 HP ♦ 2-stroke Requires spacer kit #HO5090 Yamaha ♦ 1997 - Date ♦ 80-150 HP 4-stroke Yamaha ♦ 1998 - Date ♦ 40-50 HP Yamaha ♦ 1998 - Date ♦ 60 HP
HC4648H
Mercury ♦ 1998 - Date ♦ 40-60 HP ♦ Requires spacer kit #HO5090 Yamaha ♦ 2000 - Date ♦ 25-70 HP 4-stroke ♦ Requires spacer kit #HO5090
HC4658H
Johnson/Evinrude ♦ 1997 - Date ♦ 115 HP Ficht Johnson/Evinrude ♦ 1998 - Date ♦ 40-140 HP 4-stroke ♦ Requires spacer kit #HO5090 Suzuki ♦ 2001 - Date ♦ 90-140 HP 4-Stroke ♦ Requires spacer kit #HO5090 Yamaha ♦ 2011 - Date ♦ F115A including SHO 90 & 115 HP Click for more
SeaStar hydraulic steering system resources Make sure you always have the right
Yamaha outboard controls.
36 comments
Hello Ralph,
Thank you for contacting us.
You’ll want to get the cylinder Suzuki advised on.
https://www.partsvu.com/1-hc53583-cylinder-o-b-fm-yam-hpdi-4st.html
I have a 2021 Suzuki df250 according to Sea Star tech line my cylinder should be a hc5358-3 your listing shows a hc4345-3 does that matter?
Hello Ken,
Thank you for contacting PartsVu. While we are an authorized reseller for SeaStar, I am sorry to say that we are not as knowledgeable as the actual manufacturer. In an effort for PartsVu to avoid supplying incorrect information, we suggest reaching out to SeaStar directly to ensure you are given accurate information. SeaStar can be reached at 1-800-544-4881. Once you have acquired the needed information, we are happy to assist with pricing and lead times.
Did you get a response? I need one also.
I have a 1988 champion 201DC with a 200 mariner on it, do you make a hydraulic system for that motor??