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๐ฅ๏ธ Steer with confidenceโpremium fluid for flawless marine control!
Quicksilver 858078Q01 Hydraulic Helm Steering Fluid is a 32 oz. bottle of ultra-pure hydraulic oil designed specifically for non-power hydraulic steering systems. Engineered to meet Mercury Marine OEM specifications and Mil Spec H5606G standards, it ensures optimal performance and longevity for MerCruiser and SeaStarยฎ steering systems. Trusted by marine professionals for over 65 years, this fluid delivers reliable, impurity-free operation that keeps your helm steering smooth and responsive.





| ASIN | B002IV4LP4 |
| Best Sellers Rank | #16,460 in Automotive ( See Top 100 in Automotive ) #19 in Power Steering Fluids |
| Brand | Quicksilver |
| Brand Name | Quicksilver |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 519 Reviews |
| Global Trade Identification Number | 00745061039490 |
| Included Components | 1 quart bottle of Hydraulic Steering Fluid |
| Item Form | Liquid |
| Item Weight | 16 ounces |
| Liquid Volume | 946 Milliliters |
| Manufacturer | Quicksilver |
| Material | Various Materials |
| Model Number | 858078Q01 |
| Number of Items | 1 |
| Package Information | Bottle |
| Part Number | 858078Q01 |
| Recommended Uses For Product | Hydraulic Oil |
| Specific Uses For Product | Hydraulic steering systems, Marine steering systems |
| UPC | 745061039490 |
| Unit Count | 32.0 Fluid Ounces |
| Viscosity | 12.5 to 16.3 cSt at 100ยฐC (212ยฐF) |
O**N
Good buy
Worked as it should, and brought the steering back to life the quality was perfect too for the price.
G**C
Dependable quality
You just can't beat the quality of name brand hydraulic fluid. The tolerances of hydraulic pistons cannot accept any impurities in the fluid that makes them work and this name brand fluid is always pure.
P**T
My Handy Man
This was for my husbands was a good price on Amazon. We just changed his boat stealing over to hydraulic steering.
C**E
Only brand we buy!
Husband uses for his boat. This is the only brand he buys. Weโve had our boat for 17 years, and this product has helped maintain it all these years.
D**.
It's hydraulic fluid.
Filled out the hydraulics for the steering, not sure what they had originally in it but this seemed to mix well with it and not foam or cause issues.
J**S
Good
Works like it should Delivered early
T**X
Meets Mil Spec H5606G
Meets Mil Spec H5606G. That's all you need to know. One bottle was enough to manually flush and fill steering on a 17' arima sea explorer outboard. Fluid is red or pink like atf. When the color changed from yellow to red, I knew I was done flushing a line.
K**E
Great
Great
Trustpilot
1 week ago
3 weeks ago