---
product_id: 304059428
title: "Fuel-Tool EFI Check Valve Lower O-Ring"
brand: "fuel-tool"
price: "€ 37.42"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/304059428-fuel-tool-efi-check-valve-lower-o-ring
store_origin: PT
region: Portugal
---

# Temperature range up to 40°C for reliable performance Precision fit for multiple Harley Davidson models Viton material for superior chemical resistance Fuel-Tool EFI Check Valve Lower O-Ring

**Brand:** fuel-tool
**Price:** € 37.42
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your ride’s heart with precision Viton power!

## Quick Answers

- **What is this?** Fuel-Tool EFI Check Valve Lower O-Ring by fuel-tool
- **How much does it cost?** € 37.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/304059428-fuel-tool-efi-check-valve-lower-o-ring)

## 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

- • **Easy Installation:** Designed for seamless integration with OEM parts, minimizing downtime.
- • **Cost-Saving Precision:** Replace just the O-ring, avoiding expensive valve and fuel line replacements.
- • **Lightweight Efficiency:** At just 4.54 grams, it delivers high performance without bulk.
- • **Tailored Compatibility:** Fits a wide range of Harley Davidson fuel-injected models from 2001 to 2020.
- • **Engineered for Endurance:** Crafted from DuPont Viton, ensuring unmatched durability and chemical resistance.

## Overview

The EFI Check Valve Lower O-Ring by Fuel-Tool is a high-performance replacement part made from DuPont Viton, offering exceptional chemical and temperature resistance. Designed specifically for Harley Davidson fuel-injected models (2001-2020), it enables cost-effective maintenance by replacing only the O-ring instead of the entire valve or fuel line. Lightweight and easy to install, this O-ring ensures reliable fuel system integrity and longevity.

## Description

EFI Check Valve Lower O-Ring

## Features

- Made of DuPont made with Viton

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Fuel-Tool |
| Part number | MC200-5 |
| Item Weight | 4.54 g |
| Product Dimensions | 11.43 x 7.62 x 0.51 cm; 4.54 g |
| Item model number | MC200-5 |
| Color | black |
| Material | Viton |
| Item Package Quantity | 1 |
| Temperature Range | -4E+1 Degrees Celsius |
| Included components | Fuel Tool MC200-5 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Viton
- **Brand:** Fuel-Tool
- **Colour:** black
- **Temperature range:** -4E+1 Degrees Celsius
- **UPC:** 857266003012

## Images

![Fuel-Tool EFI Check Valve Lower O-Ring - Image 1](https://m.media-amazon.com/images/I/61z-tf19rYL.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

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**Shop now:** [https://www.desertcart.pt/products/304059428-fuel-tool-efi-check-valve-lower-o-ring](https://www.desertcart.pt/products/304059428-fuel-tool-efi-check-valve-lower-o-ring)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-22*