--- product_id: 335298117 title: "QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25" brand: "qfs" price: "35344CFA" currency: XOF in_stock: true reviews_count: 5 category: "Qfs" url: https://www.desertcart.sn/products/335298117-qfs-hfp-ts17-3-quantum-mercury-vst-o-ring-qty store_origin: SN region: Senegal --- # Resists ethanol fuel damage 100% OEM direct fit Drop-in replacement, no mods QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 **Brand:** qfs **Price:** 35344CFA **Availability:** βœ… In Stock ## Summary > πŸ›₯️ Seal the deal with OEM precision and fuel-proof confidence! ## Quick Answers - **What is this?** QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 by qfs - **How much does it cost?** 35344CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/335298117-qfs-hfp-ts17-3-quantum-mercury-vst-o-ring-qty) ## Best For - qfs enthusiasts ## Why This Product - Trusted qfs brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Fuel-Safe Durability:** Engineered rubber resists swelling, cracking, and hardening from ethanol blends and extreme temps. - β€’ **Comprehensive Coverage:** Fits a wide range of Mercury 4-cylinder EFI outboards from 20HP to 60HP, spanning nearly four decades. - β€’ **Effortless Installation:** Drop-in design means no trimming or modificationsβ€”save time and avoid costly errors. - β€’ **Precision OEM Compatibility:** Guaranteed perfect fit for Mercury Marine engines (1984-2021) with zero hassle. - β€’ **Safety & Performance Assurance:** Replace seals during fuel pump service to prevent leaks, vapor loss, and maintain engine integrity. ## Overview The QFS HFP-TS17-3 Quantum Mercury VST O Ring set (3 pieces) is a direct OEM replacement designed for Mercury Marine Quicksilver Vapor Separators across 20HP to 60HP outboards (1984-2021). Crafted from durable rubber, these seals resist ethanol fuel damage and extreme temperatures, ensuring leak-free, reliable performance without any modification. Ideal for maintaining engine safety and efficiency during fuel pump servicing. ## Description Replacing a worn or hardened tank seal is essential to prevent fuel leaks, vapor loss, and potential safety hazards. These seals are built to OEM specifications for reliable fit and performance, ensuring proper sealing without trimming or modification. Made from durable materials, they resist swelling, cracking, and hardening caused by ethanol-blended fuels and extreme temperatures. Always replace the tank seal during fuel pump service to maintain system integrity and avoid future rework. These tank seals are compatible with Mercury 35 HP EFI , 40 HP EFI/EFI /EFI SeaPro, 50 HP EFI, and 60 HP EFI/EFI SeaPro outboards Fits Mercury 4-cylinder EFI outboards with serial numbers in the following ranges: 2002–2003: 0T409000–0T819999 2004–2005: 1B000001–1B099999 2006–2007: 1B100000–1B199999 2008–2009: 1B200000–1B399999. Review: Exactly what I ordered Review: used on mercury outboard vst tank fit was perfect same as OEM thanks ## Features - Drop-in replacement, 100% Direct OEM fit - no modification necessary, all parts match OEM specifications. - Mercury VST O Ring (QTY 3) - Replaces 892267A51, 898101T67, 892267530, 892267A51, 898103T25 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B083RZZ6HG | | Brand Name | QFS | | Customer Reviews | 4.6 4.6 out of 5 stars (65) | | Included Components | tank seal | | Item Shape | drop | | Item Thickness | 1.5 Millimeters | | Item Weight | 0.02 Pounds | | Manufacturer | Quantum Fuel Systems | | Material Type | Rubber | | Model | HFP-TS17-3 | | Part Number | HFP-TS17-3 | ## Product Details - **Brand:** QFS - **Item thickness:** 1.5 Millimeters - **Manufacturer:** Quantum Fuel Systems - **Material:** Rubber - **Shape:** drop ## Images ![QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 - Image 1](https://m.media-amazon.com/images/I/41t9VWdNB8L.jpg) ![QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 - Image 2](https://m.media-amazon.com/images/I/71enUiw86XL.jpg) ![QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 - Image 3](https://m.media-amazon.com/images/I/81wEScmdP8L.jpg) ![QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 - Image 4](https://m.media-amazon.com/images/I/612zjMz7QNL.jpg) ![QFS HFP-TS17-3 Quantum Mercury VST O Ring (QTY 3) Replacement for Mercury Marine Quicksilver Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP (1984-2021), Replaces 898103T25 - Image 5](https://m.media-amazon.com/images/I/41bMGWSZ96L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***G on 31 August 2025* Exactly what I ordered ### ⭐⭐⭐⭐⭐ Review *by H***E on 21 November 2024* used on mercury outboard vst tank fit was perfect same as OEM thanks ### ⭐⭐⭐⭐ Review *by D***R on 21 March 2025* Work but are a lot thinner than original ## Frequently Bought Together - QFS Fuel Pump Tank Seal/Gasket (Qty 3) Replacement for Quicksilver Mariner/Mercury/Mercury Race Vapor Separator 20HP 25HP 30HP 40HP 50HP 60HP, 2002-2012 - Mercury Fuel Pump MerCruiser Outboard 20 30 35 40 45 60 HP 4 Stroke 892267A51 - Quicksilver by Mercury Marine 879884T Cartridge Type Fuel Filter Assembly for Mercury and Mariner Outboards --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/335298117-qfs-hfp-ts17-3-quantum-mercury-vst-o-ring-qty](https://www.desertcart.sn/products/335298117-qfs-hfp-ts17-3-quantum-mercury-vst-o-ring-qty) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-07-24*