PROTECH Up To 300HP Outboard Steering Kit

Protech Hydraulic Helm Steering, for application up to 300HP. Available with Standard or Tilt Helm

Larger horsepower applications require a more robust steering cylinder. The Uflex Protech cylinder is designed for single, dual and triple engine applications up to 300 hp per engine. Featuring heavy duty seals, 304 electro-polished link assemblies, and a carbon steel piston, it is built for the most demanding applications.

This kit includes Hydraulic Ram, Hydraulic Helm and 2 Quarts of Oil. Steering Wheel, Hose and fittings are sold separately!

See Application Guide on Additonal Info Tab to make sure you order the correct cylinder.

Option: Part Number: Price: Order:
OBF/1 Cylinder 623-PROTECH11
MSRP: $2,064.99
Your Price: $1,754.99
You Save: 15% off MSRP!
OBF/1 Cylinder, Tilt Helm 623-PROTECH11T
MSRP: $2,425.99
Your Price: $2,061.99
You Save: 15% off MSRP!
OBF/2 Cylinder 623-PROTECH21
MSRP: $2,064.99
Your Price: $1,754.99
You Save: 15% off MSRP!
OBF/2 Cylinder, Tilt Helm 623-PROTECH21T
MSRP: $2,425.99
Your Price: $2,061.99
You Save: 15% off MSRP!
OBF/3 Cylinder 623-PROTECH31
MSRP: $2,064.99
Your Price: $1,754.99
You Save: 15% off MSRP!
OBF/3 Cylinder, Tilt Helm 623-PROTECH31T
MSRP: $2,425.99
Your Price: $2,061.99
You Save: 15% off MSRP!
Additonal Info On This Product:
Engine Model Year Cylinder P. No. Packaged
Mercury®
Mariner®
75-90-115-125 Optimax 2 Stroke
135-150-175 Optimax 2 Stroke
200-225-250 Optimax 2 Stroke
Racing 300 Optimax 2 Stroke
100-115 EFI 4 Stroke
115-125-150 EFI 2 Stroke
225-250 EFI 2 Stroke
250 Saltwater EFI 4 Stroke
135 Verado L4 4 Stroke
150-175-200 Verado L4 4 Stroke
2004-to date
1999-to date
1999-to date
1999-2011
2007-to date
1990-2007
2000-2007
2007-2011
2004-2006
2004-to date
UC128-OBF/3
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
39967 T
39423 Z
39423 Z
39423 Z
39423 Z
39423 Z
39423 Z
39423 Z
39423 Z
39423 Z
Protech 3
Protech 1
Protech 1
Protech 1
Protech 1
Protech 1
Protech 1
Protech 1
Protech 1
Protech 1
Evinrude® E75-E90 2 Stroke
E115-E130-E135 2 Stroke V4
E150-E175-E200 2 Stroke V6
E200 HO- E225-E250 2 Stroke V6
E250 HO- E300 2 Stroke V6
2004-to date
1995-to date
1995-to date
1995-to date

UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
39966 R
39966 R
39966 R
39966 R
39966 R
Protech 2
Protech 2
Protech 2
Protech 2
Protech 2
Yamaha® 75C-90 2 Stroke
115C-130B 2 Stroke
150F-200F-250G 2 Stroke
150 HPDI VMAX 2 Stroke
175-200-225-250-300 HPDI VMAX St.
F70 4 Stroke
F90-F100-F115-F150 EFI 4 Stroke
F200-F225-F250 4 Stroke
F115-F150
F200-F225-F250-F300 4 Stroke
F350 4 Stroke
1998-2008
1990-2008
1996-2007
2000-2008
2000-2008
2010-to date
1999-2007
2002-2007
2004-to date
2006-to date
2008-to date
UC128/OBF/2
UC128-OBF/2
UC128-OBF/2
UC128-OBF/2
UC128-OBF/2
UC128P-OBF/1
UC128-OBF/1
UC128-OBF/2
UC128-OBF/1
UC128-OBF/2
see UC128-SVS
39966 R
39966 R
39966 R
39966 R
39966 R
40106 U
39423 Z
39966 R
39423 Z
39966 R
SilverSteer
Protech 2
Protech 2
Protech 2
Protech 2
Protech 2

Protech 1
Protech 2
Protech 1
Protech 2
Honda® BF75-90 4 Stroke
BF115D
BF115A
BF130A
BF135-150 4 Stroke
BF90-BF150 V-TEC 4 Stroke
BF175-200-225 4 Stroke
1995-to date
1998-2009
2009-to date
1998-2005
2005-to date
2008-to date
2001-to date
UC128-OBF/1
UC128-OBF/3
UC128-OBF/1
UC128-OBF/3
UC128-OBF/1
UC128-OBF/1
UC128-OBF/1
39423 Z
39967 T
39423 Z
39966 T
39423 Z
39423 Z
39423 Z
Protech 1
Protech 3
Protech 1
Protech 3
Protech 1
Protech 1
Protech 1
Suzuki® DF70-80-90 4 Stroke
DF100-115-140 4 Stroke*
DF100-115-140 4 Stroke New Model
DF150-175 4 Stroke
DF200-DF225-DF250-DF300
1998-to date
1998-2008
2008-to date
2006-to date

UC128-OBF/2
UC128-OBF/1*
UC128-OBF/1
UC128-OBF/1
UC128-OBF/2
39966 R
39423 Z
39423 Z
39423 Z
39966 R
Protech 2
Protech 1
Protech 1
Protech 1
Protech 2
Tohatsu® 115-120-140 2 Stroke
70-90-115 TLDI 4 Stroke
2004-to date
2004-to date
UC128-OBF/2
UC128-OBF/1
39966 R
39423 Z
Protech 2
Protech 1
Selva® 80 Portofino/Tigershark 2 Stroke
150 White Shark 2 Stroke
100EFI Marlin - 115 EFI Narwhal-
150EFI Killer Whale 4 Stroke
1995-to date

2001-2007
2000-to date
UC128-OBF/1

UC128-OBF/2
UC128-OBF/1
39423 Z

39966 R
39423 Z
Protech 1

Protech 2
Protech 1
Johnson® BJ90-115-140 4 Stroke
J90-115 V4 2 Stroke
J150-175 V6 2 Stroke
J200-225 V6 4 Stroke
2001-2007
1995-2007
1995-2007
2004-2007
UC128-OBF/1
UC128-OBF/2
UC128-OBF/2
UC128-OBF/2
39423 Z
39966 R
39966 R
39966 R
Protech 1
Protech 2
Protech 2
Protech 2
* Note:
Suzuki® engines built from 1998 to 2008 installing UC128-OBF/1 cylinder require optional KIT SU - 41954W.
For higher horsepower applications, high performance SilverSteer™ cylinder is recommended.
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