--- product_id: 310723535 title: "Fuel Tool EFI Check Valve Lower O-Ring - MC200-5" brand: "fuel-tool" price: "£39.93" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/310723535-fuel-tool-efi-check-valve-lower-o-ring-mc200-5 store_origin: GB region: United Kingdom --- # Cost-saving O-ring replacement Precision fit for H-D EFI valves Viton DuPont durability Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 **Brand:** fuel-tool **Price:** £39.93 **Availability:** ✅ In Stock ## Summary > 🛠️ Upgrade your ride’s heart with precision Viton sealing — don’t let leaks slow your legacy! ## Quick Answers - **What is this?** Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 by fuel-tool - **How much does it cost?** £39.93 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/310723535-fuel-tool-efi-check-valve-lower-o-ring-mc200-5) ## Best For - fuel-tool enthusiasts ## Why This Product - Trusted fuel-tool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Savings:** Replace just the O-ring instead of costly valves or fuel lines—maximize your maintenance budget. - • **Unmatched Durability:** Crafted from DuPont Viton for superior chemical and heat resistance, ensuring long-lasting performance. - • **Certified EFI Quality:** Meets EFI standards for reliable fuel system sealing and optimal engine performance. - • **Lightweight & Compact:** At just 4.54g and slim dimensions, it integrates effortlessly without adding bulk. - • **Perfect Compatibility:** Specifically engineered for Harley Davidson fuel-injected check valves, guaranteeing a seamless fit. ## Overview The Fuel Tool EFI Check Valve Lower O-Ring (MC200-5) is a high-performance replacement part made from DuPont Viton, designed exclusively for Harley Davidson fuel-injected models. It offers a cost-effective solution by allowing targeted O-ring replacement, preserving expensive valves and fuel lines. Lightweight and EFI-certified, it ensures a perfect fit and reliable sealing for enhanced fuel system integrity. ## Description Made of DuPont made with Viton. Eliminates the need for replacing expensive valve and fuel line when only the O-ring is needed. made with Viton lower O-ring for H-D check valves on fuel injected models.This item fits the following vehicle applications:compatible with Harley Davidson FLD Switchback 2012-2016compatible with Harley Davidson FLHR Road King 2007-2020compatible with Harley Davidson FLHRC Road King Classic 2007-2013compatible with Harley Davidson FLHRCI Road King Classic 2001-2006compatible with Harley Davidson FLHRI Road King 2001-2006compatible with Harley Davidson FLHRS Road King Custom 2007compatible with Harley Davidson FLHRSI Road King Custom 2004-2006compatible with Harley Davidson FLHRXS Road King Special 2017-2020compatible with Harley Davidson FLHT Electra Glide Standard 2019-2020compatible with Harley Davidson FLHT Electra Glide Standard 2007-2009compatible with Harley Davidson FLHTC Electra Glide Classic 2007-2013compatible with Harley Davidson FLHTCI Electra Glide Classic 2001-2006compatible with Harley Davidson FLHTCU Electra Glide Ultra Classic 2007-2019compatible with Harley Davidson FLHTCUI Electra Glide Ultra Classic 2001-2006compatible with Harley Davidson FLHTCUL Electra Glide Ultra Classic Low 2015-2016compatible with Harley Davidson FLHTCUTG Tri Glide Ultra 2014-2016compatible with Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2009-2013compatible with Harley Davidson FLHTI Electra Glide Standard 2003-2006compatible with Harley Davidson FLHTK Electra Glide Ultra Limited 2010-2014compatible with Harley Davidson FLHTK Ultra Limited 2015-2020compatible with Harley Davidson FLHTKL Ultra Limited Low 2015-2019compatible with Harley Davidson FLHX Street Glide 2007-2020compatible with Harley Davidson FLHXI Street Glide 2006compatible with Harley Davidson FLHXS Street Glide Special 2014-2020compatible with Harley Davidson FLH ## Features - Made of DuPont made with Viton - Eliminates the need for replacing expensive valve and fuel line when only the O-ring is needed - made with Viton lower O-ring for H-D check valves on fuel injected models ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Fuel Tool | | Part Number | MC200-5 | | Product Dimensions | 11.43 x 7.62 x 0.51 cm; 4.54 g | | Item model number | MC200-5 | | Size | OS | | Colour | black | | Material | 100% Fuel-Tool | | Item Package Quantity | 1 | | Certification | EFI | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 4.54 g | ## Product Details - **Material:** 100% Fuel-Tool - **Brand:** Fuel-Tool - **Colour:** black - **UPC:** 857266003012 - **Manufacturer:** Fuel Tool ## Images ![Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 - Image 1](https://m.media-amazon.com/images/I/61z-tf19rYL.jpg) ![Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 - Image 2](https://m.media-amazon.com/images/I/41N5c08z2eL.jpg) ![Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 - Image 3](https://m.media-amazon.com/images/I/41D3rKPd0ZL.jpg) ![Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 - Image 4](https://m.media-amazon.com/images/I/41dGy8t0euL.jpg) ![Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 - Image 5](https://m.media-amazon.com/images/I/41Ns7TtfaRL.jpg) ## Questions & Answers **Q: Is there 5 o rings** A: There is only one lower 0-ring. There is an upper one with the check valve. Typically the lower one needs replaced if the coupler is leaking. **Q: What size in millimetres is the lower o ring for the Harley check valve?** A: As someone who has tried to replace the o-rings both with and without this tool, i will recommend whenever possible to just replace the whole assembly, hose and all with the oem part. save yourself the hassle. **Q: where is the product made? thanks.** A: The tag and card inside have no info. Maybe if you go to fueltool.com you can find the answer. **Q: Will this fit a 2009 xl1200n** A: Only if its fuel injected! ## Frequently Bought Together - Fuel Tool EFI Check Valve Lower O-Ring - MC200-5 - Fuel Tool MC600-5 Replacement Male End O-Ring - Fuel-Tool Check Valve Repair Tools MC-400 --- ## 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.co.uk/products/310723535-fuel-tool-efi-check-valve-lower-o-ring-mc200-5](https://www.desertcart.co.uk/products/310723535-fuel-tool-efi-check-valve-lower-o-ring-mc200-5) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-19*