1 Litre  ROCK OIL 

MARINE HSF

Marine Hydraulic Steering Fluid / Oil 

Rock Oil  British Manufacturer of High-Quality Lubricants and fuels 

Will fit all steering systems 

SSI MARINE

HLP 10 Hydraulic Oil is suitable for most hydraulic systems where high levels of anti-wear and protection are required in conjunction with good service life reliability. 

It is also suitable for a wide range of other applications where machinery lubricants with excellent anti-wear lubrication and resistance to degradation in service are required. 

Applications can include systems incorporating high speed gears and bearings, pumps, blowers and other uses where this type and quality of lubricant can assist with lubricants rationalisation. 

The HLP 10 Hydraulic Oil is formulated using extremely high quality base oils and incorporates additive treatments to provide excellent service life with protection against corrosion, wear, oxidation and foaming.

Over 2000 Hour TOST life, twice the life of many conventional mineral oil based hydraulic fluids

Outstanding cleanliness and purity, guaranteed ISO cleanliness rating of 21/19/16 or better

Excellent protection of machinery and systems against corrosion and wear

Excellent service life associated with excellent resistance to oxidation and thermal degradation

Excellent anti-foam and de-aeration performance

Compatible and miscible in storage and in service with most other mineral oils

Good filter ability for use in conjunction with most hydraulic and lubricating oil system filters

If you have any concerns regarding the suitability of the item please ask before purchase.

If the part looks the same like yours is not always the right one for your outboards so please double check.