---
product_id: 189253360
title: "Mechanic in a Bottle Gas Test Swabs, 3 Swabs 7-903-12-1 Each"
brand: "b3c fuel"
price: "22771CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "B3 C Fuel"
url: https://www.desertcart.sn/products/189253360-mechanic-in-a-bottle-gas-test-swabs-3-swabs-7
store_origin: SN
region: Senegal
---

# Accurate gas contamination detection Protects engines from bad fuel Made in USA quality Mechanic in a Bottle Gas Test Swabs, 3 Swabs 7-903-12-1 Each

**Brand:** b3c fuel
**Price:** 22771CFA
**Availability:** ✅ In Stock

## Summary

> ⛽ Don’t let bad fuel sink your ride—test it like a pro!

## Quick Answers

- **What is this?** Mechanic in a Bottle Gas Test Swabs, 3 Swabs 7-903-12-1 Each by b3c fuel
- **How much does it cost?** 22771CFA 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/189253360-mechanic-in-a-bottle-gas-test-swabs-3-swabs-7)

## Best For

- b3c fuel enthusiasts

## Why This Product

- Trusted b3c fuel brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Engine Saver:** Proven to prevent costly repairs by identifying bad fuel early
- • **Fast & Easy Use:** Quick swab test with clear results—no hassle, no guesswork
- • **Trusted Quality:** Proudly made in the USA for reliable, professional-grade performance
- • **Compact & Portable:** Three easy-to-store swabs fit perfectly in any toolkit or glove box
- • **Precision Fuel Testing:** Detect harmful gas contaminants before they damage your engine

## Overview

B3C Fuel Mechanic in a Bottle Gas Test Swabs are professional-grade, USA-made swabs designed to quickly detect fuel contamination. Ideal for boaters and vehicle owners, these swabs help prevent engine damage by identifying bad gas early, offering peace of mind and saving costly repairs.

## Description

Gas Test Swabs, Tool Type Gas Test Swab

Review: Expensive but priceless - This worked great, saved us from bad gas in our boat.
Review: Swabs look like good quality and functions as advertised. - It was shipped quick and came with two swabs. Easy to store and easy to use. If it saves my engine it is a great value. Swabs look like good quality and functions as advertised.

## Features

- Made in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #70,274 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #73 in Lab Swabs |
| Customer Reviews | 4.2 out of 5 stars 61 Reviews |

## Images

![Mechanic in a Bottle Gas Test Swabs, 3 Swabs 7-903-12-1 Each - Image 1](https://m.media-amazon.com/images/I/81z6IR9UI+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Expensive but priceless
*by R***N on November 10, 2025*

This worked great, saved us from bad gas in our boat.

### ⭐⭐⭐⭐⭐ Swabs look like good quality and functions as advertised.
*by R***I on July 20, 2025*

It was shipped quick and came with two swabs. Easy to store and easy to use. If it saves my engine it is a great value. Swabs look like good quality and functions as advertised.

### ⭐⭐⭐⭐ Price
*by P***E on October 10, 2024*

For the price ok

## Frequently Bought Together

- Mechanic In A Bottle 2-In-1 Gasoline Quality Test 0.3 oz.
- [2-Pack] Reusable Ethanol Testing Kit - Wide Mouth Fuel Test Bottle for E85 and Ethanol Levels - Fewer Spills and Clear Results in Minutes - Test Hundreds of Times - Two Ethanol Test Bottles Included
- REV X E85 Super Tester Reusable Ethanol Testing Kit

---

## 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.sn/products/189253360-mechanic-in-a-bottle-gas-test-swabs-3-swabs-7](https://www.desertcart.sn/products/189253360-mechanic-in-a-bottle-gas-test-swabs-3-swabs-7)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-13*