Seastar Hydraulic Steering Kit HC5345-3 Front Mount Up to 300HP

$1,675.00 inc GST

or 4 payments of $418.75 with Wizit learn more

Seastar Solutions Hydraulic Steering Kit HC5345 Front Mount Outboard – Single Engine 291003 Cylinder HC5345-3

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UPC: 9319786035870

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Seastar Solutions Hydraulic Steering Kit HC5345 Front Mount Outboard– Single Engine Up to 300 Hp

Front Mount Outboard Seastar Solutions Hydraulic Steering Kit HC5345 Single Engine 291003 Cylinder.

Seastar Solutions is the current preferred brand of hydraulic steering by most boat manufacturers in Australia. This style of hydraulic cylinder is referred to as a “Bullhorn”.


1 x 291003 Front mount cylinder Standard HC5345-3

Includes Filler Tube

1 x 291502 1.7 front mount helm HH5271

1 x 292997 15 metre nylon semi-rigid tube 3/8″ (50 foot)

4 x 293610 Nut & olive kit 3/8″

3 x 291902 1 litre SeaStar Solutions Hydraulic Steering oil

SeaStar Solutions Outboard Steering System – Front Mount Performance: This pivoting cylinder from SeaStar Solutions offers the incredible steering ease and reliability that puts SeaStar Solutions cylinders way ahead of the competition. Throughout the steering arc there simply isn’t anything that feels better to drive!
Simplicity: Integral bleeders and few components make installation a snap. Less moving parts and improved seals boost durability and reduce maintenance.
Reliability: SeaStar® took it’s previous cylinder’s outstanding design to the next level, improving seals, bearings, fittings and corrosion protection.

Features Seastar Hydraulic Steering Kit HC5345:

• 20% less effort at hard-over than competitive systems
• Rigid tilt tube mount for no-compromise performance
• Unique pivoting tiller connection allows full engine articulation with independent tilt and trim on twin engines
• Ultra corrosion-resistant construction. Painted components are anodised before coating for extra protection
• Small footprint fits virtually all splashwells
• Meets ABYC standards/NMMA requirements

Specifications Seastar Solutions Hydraulic Steering Kit HC5345

136.6cc (8.34cu. in) balanced Displacement, 35mm (1.375″) bore, 203mm (8″) stroke, 544mm (21″) overall width. Applications up to 300HP maximum

For installation dimensions and engine application guide download PDF

APPLICATION GUIDE – Single Engine (Normal Use) Prior to selecting a cylinder from this application guide, please refer to our order guide to ensure that you are selecting the correct cylinder for your engine/boat.

Force 1985 TO DATE 90-150HP HC5345-3
Honda 1996 TO DATE 75-90HP HC5345-3
1998 TO 2009 115-130HP HC5347-3
1998 TO DATE 30-50HP HC5345-3 See Note 1
2001 TO DATE BF200-250 HC5445-3
2003 TO DATE BF135HP HC5345-3
2010 TO DATE 115HP HC5345-3
Johnson / Evinrude 1977 TO 1990 65-300HP HC5348-3
1988 TO 1997 250-300HP V8 HC5342-3
1991 TO DATE 40-300HP HC5345-3 Inc. ETech
1996 TO DATE 75-250HP FICHT HC5345-3
1998 TO DATE 40-140HP 4-STROKE HC5358-3 See Note 1
2000 TO DATE 115HP FICHT HC5358-3 See Note 1
2002 TO DATE 200-225HP 4-STROKE HC5345-3
2007 TO DATE 3.3L/3.4L 200-250HP HC5345-3 Inc. H.O. Models
Mercury 1984 TO 1994 2.4/2.5HP EFI HC5345-3 See Note 2
1989 TO DATE 75-300HP HC5345-3
1998 TO DATE 30-60HP HC5345-3 See Note 1
2003 TO DATE 115-300HP XS HC6345-3 See Note 3
2004 TO DATE 150-200HP VERADO HC5345-3 See Note 4, 5
Nissan 1990 TO DATE 90-140HP HC5345-3
Suzuki 1986 TO DATE 100HP HC5345-3
1986 TO 2002 115-140HP HC5345-3 NOT 1996
1986 TO DATE 150-300HP 2 & 4 STROKE HC5345-3
1996 ONLY 115-140HP HC5348-3
1998 TO DATE 40-140HP 4-STROKE HC5358-3 See Note 1
Yamaha 1990-2003 40-90 HP 2-STROKE HC5345-3 See Note 1
1986-DATE 100-300 HP 2-STROKE HC5345-3
1997-DATE 80-250 HP 4-Stroke HC5345-3
2000-DATE 150-300 HPDI HC5345-3
2003-DATE 25-70 HP 4-Stroke HC5348-3 See Note 1
2007-DATE 200-300 HP 4.2L V6 4-Stroke HC5345-3
2007-DATE F300-F350 HP 5.3V8 HC5345-3 See Note 4
2011-2013 F115A HC5358-3
2014-DATE F115B HC5345-3

NOTES: 1. Requires spacer kit HO5090. 2. May require extensive cowling modifications. 3. MUST use High Strength Tiller bolt, part # HA5822. Refer to the Notice on this page identifying the high strength bolt. 4. Optional cylinder part # HC5358. Slight interference may occur when using the HC5358, with the engine in the full tilt position. 5. Cylinder part # HC5358 may also be used in these single engine applications, please see note #4 for interference concerns.

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Hydraulic Steering has a number of moving parts and we provide all Seastar Solutions spare parts and seal kits available for these Seastar Solutions Hydraulic Steering kits, helms and cylinders – with an industry-leading delivery time.



Additional information

Additional information




Price does not include shipping. Product will be shipped via Toll / Australia Post / Courier. Product can also be collected.





Shipping & Delivery
Prices do not include shipping.

Shipping quotes can be obtained by adding products to the cart and inputting your postcode.

$11.60 Brisbane Express - Postcodes 4000-4209, 4270-4299, 4500-4549, 9000-9725 up to 20kg

Boat Hut uses Toll Ipec Priority Service, Australia Post Express Post and Courier's Please. Boat Hut uses Australia Post or DHL International Service for New Zealand deliveries.

Free Local Pickup – by prior arrangement. We don’t always have all the products at our Acacia Ridge premises, but they may be at our warehouse. Warehouse collections can be arranged by prior arrangement - please contact us to discuss.

Order Tracking provided on all orders.

All orders will be processed within 2 business days - except backordered items. If we are unable to meet this timeframe we will contact you to provide details and options. If we are unable to ship your order within 3 business days we will offer you a refund in full or the option to wait for the goods to come into stock.

We are happy to ship to any country - and will provide a quote upon request. All overseas orders must be paid for via Paypal before your order is shipped.

Above pricing refers to regular size items that will fit in courier satchels - oversized items will require a freight quote.

Boat Hut reserves the right to refuse to fulfil an order that has the incorrect postage / freight collected at the time of sale. We will work with you to rectify the matter, if we are unable to come to a resolution then we will provide a refund in full.


Stock Availability
Boat Hut has approx 100,000 product lines coming from a number of warehouses across Australia. Not all of these products are available for a walk-in purchase at Acacia Ridge - most times you will need to make arrangments in advance. Please feel free to contact us to confirm our stock at Acacia Ridge or in our warehouses. We try our best to keep the website up to date with current stock holdings. We will accept back orders on out of stock items. All products are genuine & come with manufacturer's warranties.