--- product_id: 347675126 title: "Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle" brand: "quicksilver" price: "$111.23" currency: USD in_stock: true category: "Quicksilver" url: https://www.desertcart.us/products/347675126-quicksilver-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle store_origin: US region: United States of America --- # 32 oz premium hydraulic fluid Meets Mil Spec H5606G OEM spec for Mercury & Mariner Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle **Brand:** quicksilver **Price:** $111.23 **Availability:** ✅ In Stock ## Summary > 🛥️ Steer with confidence—premium fluid for flawless marine control! ## Quick Answers - **What is this?** Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle by quicksilver - **How much does it cost?** $111.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/347675126-quicksilver-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 - • **Military-Grade Reliability:** Meets rigorous Mil Spec H5606G for unmatched durability and consistent hydraulic steering response under all conditions. - • **Trusted Legacy of Excellence:** Backed by Quicksilver’s 65+ years of marine industry leadership, delivering premium quality that professionals rely on. - • **Precision Engineered for Marine Mastery:** Specifically formulated to meet Mercury Marine OEM standards, ensuring flawless compatibility and peak performance with your outboard or stern drive. - • **Perfect Size for On-the-Go Professionals:** Compact 32 oz bottle designed for easy storage and quick top-ups, so you never miss a moment on the water. - • **Universal Non-Power Hydraulic Compatibility:** Optimized for non-power hydraulic steering systems including MerCruiser and SeaStar® bolt-on setups—your go-to fluid for trusted control. ## Overview Quicksilver 858078Q01 Hydraulic Helm Steering Fluid is a 32 oz premium fluid engineered to meet Mercury Marine OEM specifications and Mil Spec H5606G. Designed for non-power hydraulic steering systems like MerCruiser and SeaStar®, it ensures reliable, smooth steering performance. Trusted by marine professionals for over 65 years, this fluid offers durability and precision for your boat’s hydraulic helm. ## 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 stern drive - Manufacturer part number 858078Q01 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002IV4LP4 | | Best Sellers Rank | #138,653 in Automotive ( See Top 100 in Automotive ) #1,053 in Automotive Oils | | Brand | Quicksilver | | Brand Name | Quicksilver | | Container Type | Bottle | | Global Trade Identification Number | 00745061039490 | | Included Components | 1 quart bottle of Hydraulic Steering Fluid | | Item Form | Liquid | | Item Type Name | Marine Product | | Item Weight | 1 Pounds | | Item weight | 1 Pounds | | Liquid Volume | 946 Milliliters | | 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 | | 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:** 1 Pounds - **Liquid volume:** 946 Milliliters - **Material:** Various Materials - **Package information:** Bottle ## Images ![Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle - Image 1](https://m.media-amazon.com/images/I/71tiycLb2tL.jpg) ![Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle - Image 2](https://m.media-amazon.com/images/I/71eB6y7Ti8L.jpg) ![Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle - Image 3](https://m.media-amazon.com/images/I/71f2hJdIOtL.jpg) ![Quicksilver 858078Q01 Hydraulic Helm Steering Fluid - 32 Oz. Bottle - Image 4](https://m.media-amazon.com/images/I/71a--m-ruoL.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.us/products/347675126-quicksilver-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle](https://www.desertcart.us/products/347675126-quicksilver-858078q01-hydraulic-helm-steering-fluid-32-oz-bottle) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*