--- product_id: 119646194 title: "858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle" brand: "quicksilver" price: "€ 80.38" currency: EUR in_stock: true category: "Quicksilver" url: https://www.desertcart.sk/products/119646194-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle store_origin: SK region: Slovakia --- # 32 oz premium hydraulic fluid Meets Mil Spec H5606G OEM spec for Mercury & Mariner 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle **Brand:** quicksilver **Price:** € 80.38 **Availability:** ✅ In Stock ## Summary > 🛥️ Navigate with Confidence — The Fluid of Champions ## Quick Answers - **What is this?** 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle by quicksilver - **How much does it cost?** € 80.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/119646194-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle) ## Best For - quicksilver enthusiasts ## Why This Product - Trusted quicksilver brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Mil Spec Reliability:** Meets rigorous Mil Spec H5606G standards, guaranteeing durability and consistent hydraulic steering responsiveness under all conditions. - • **Trusted Legacy of Marine Excellence:** Backed by Quicksilver’s 65+ years of industry leadership, delivering unmatched quality and peace of mind for your vessel’s steering system. - • **Optimized Viscosity for Smooth Control:** Viscosity range of 12.5 to 16.3 cSt at 100°C ensures ultra-smooth, responsive steering even in demanding marine environments. - • **Precision Engineered for Marine Mastery:** Formulated to meet Mercury Marine OEM specs, ensuring flawless compatibility and peak performance with your outboard or sterndrive system. - • **Perfect Fit for Non-Power Hydraulic Systems:** Specifically designed for non-power hydraulic helm steering systems including MerCruiser and SeaStar® bolt-on setups. ## Overview Quicksilver 858078Q01 Hydraulic Helm Steering Fluid is a 32 oz premium fluid engineered for non-power hydraulic steering systems. It meets Mil Spec H5606G and Mercury Marine OEM specifications, ensuring optimal performance and durability for MerCruiser, Mariner, and SeaStar® steering systems. Trusted for over 65 years, this fluid maintains smooth, responsive steering in demanding marine environments. ## Description Hydraulic Helm Steering Fluid 858078Q01 is for use in non‑power hydraulic steering systems such as, MerCruiser compact hydraulic helm steering systems and bolt‑on steering systems such as SeaStar® by Teleflex®, Inc. See your owner's manual for requirements and specifications. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind. ## Features - For use in non‑power hydraulic steering systems - Meets Mil Spec H5606G - Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002IV4LP4 | | Best Sellers Rank | #24,881 in Automotive ( See Top 100 in Automotive ) #23 in Power Steering Fluids | | Brand | Quicksilver | | Brand Name | Quicksilver | | Container Type | Bottle | | Customer Reviews | 4.7 out of 5 stars 528 Reviews | | Global Trade Identification Number | 00745061039490 | | Included Components | 1 quart bottle of Hydraulic Steering Fluid | | Item Form | Liquid | | Item Highlight | Helps Maintain Smooth, Responsive Hydraulic Steering Performance | | Item Weight | 16 ounces | | Liquid Volume | 946 ml | | Manufacturer | Quicksilver | | Material | Various Materials | | Model Number | 858078Q01 | | Number of Items | 1 | | Number of Packs | 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 Fluid Ounces | | Viscosity | 12.5 to 16.3 cSt at 100°C (212°F) | ## Product Details - **Brand:** Quicksilver - **Item Weight:** 16 ounces - **Liquid Volume:** 946 ml - **Material:** Various Materials - **Package Information:** Bottle ## Images ![858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle - Image 1](https://m.media-amazon.com/images/I/71tiycLb2tL.jpg) ## Frequently Bought Together - Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle - Quicksilver 858075Q01 Power Trim and Steering Fluid - 32 Oz. Bottle --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/119646194-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle](https://www.desertcart.sk/products/119646194-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-10-10*