--- product_id: 399361498 title: "100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black)" brand: "100tech" price: "$102.95" currency: USD in_stock: true reviews_count: 5 category: "100 Tech" url: https://www.desertcart.us/products/399361498-100tech-boat-fuel-gauge-marine-fuel-gauge-for-boat-rv store_origin: US region: United States of America --- # 8 color backlight modes IP67 waterproof & dustproof 5 signal ranges adjustable 100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) **Brand:** 100tech **Price:** $102.95 **Availability:** ✅ In Stock ## Summary > ⛵ Fuel your adventure with precision and style! ## Quick Answers - **What is this?** 100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) by 100tech - **How much does it cost?** $102.95 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/399361498-100tech-boat-fuel-gauge-marine-fuel-gauge-for-boat-rv) ## Best For - 100tech enthusiasts ## Why This Product - Trusted 100tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Brave the Elements:** 316 stainless steel bezel with IP67 rating means corrosion, dust, and water won’t slow you down. - • **Customizable Dashboard Vibes:** Cycle through 8 vibrant backlight colors to perfectly match or upgrade your vehicle’s interior lighting. - • **Universal Signal Compatibility:** Supports 5 adjustable resistance signals (240-33ohm to 10-180ohm) for seamless fit with most American fuel senders. - • **Effortless Installation & Calibration:** Standard 52mm mount with clear instructions and easy signal setup—get it running in minutes, no tech headaches. - • **Precision Stability in Rough Conditions:** Anti-vibration needle ensures rock-solid fuel readings even on choppy waters or bumpy rides. ## Overview The 100TECH Boat Fuel Gauge is a versatile, precision-engineered fuel level monitor designed for boats, RVs, trucks, and motorcycles. Featuring 5 adjustable signal ranges and 8 customizable backlight colors, it offers stable, accurate readings with anti-vibration technology. Built with a durable stainless steel bezel and IP67 waterproof rating, it ensures long-lasting performance in harsh environments. Easy to install with a standard 52mm mount and compatible with most American fuel senders, this gauge is perfect for professionals seeking reliable fuel monitoring with a sleek, customizable look. ## Description 100TECH 8 Color Adustable Boat Fuel Gauge is Perfect for Anyone Building a Custom Dash or Replacing Their Stock Fuel Level Gauge. It's Installed by Connecting the Gauge Directly to your Vehicle's Fuel Level Sensor and Allows You to Closely Monitor the Level of Fuel in Your Boat/Vehicle. Product Specifications： -Fixing dimension: 52mm(2") or 2-1/16'' -Indicating Range: 0-100% -Signal Adjustable : 0-190ohm, 240-33ohm, 240-30ohm, 0-180ohm, 10-180ohm -Working Voltage: 9-32V(12V/24V) -Operation Mode: LCD display, Stepper Motor Package Includes: 1x Marine Fuel Gauge 1 x Wiring harness 1x Installation Instruction Note: 1)This 100TECH Fuel Gauge Can Only Work With The Level Sender With The Corresponding Resistive Output ：240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm. 2)This Boat Fuel Gauge Can Not Work with the Fuel Sending Unit with Output Signal(0-30ohm, 0-90ohm,73-10 ohm etc.) 3)If You’re Unsure of The Type Sensor That Was Installed Into Boat/Vehicles.Please Use The Multi-meter To Measure The Resistance Range Of Your Sending Unit When Empty And Full (Example: Approx 8 And 184 ohms ).You Can Select The 10-180 ohm Range.Just Press And Hold The Mode Button For 3 Seconds To Put It Into Setup Mode. Review: No funciona al 100 - Cumple funcion pero hay variaciones del medidor m cuando esta apagado el vehículo a cuando esta prendido por la diferencia de voltaje Review: JUNK!!! - I wired it as instructed, asked for help. Help didn't work. Brought boat to dealership, they could not get it to work. They installed another brand and problem solved. Nice looking gas gauge , can I return it? Real scam ,oh you are 5 days pass deadline to return it. How nice is that after asking for help 3-4 times. ## Features - [Precision Performance & Stable Fuel Monitoring] This Aftermarket Fuel Level Gauge Features a precision-engineered needle with anti-vibration technology, ensuring stable readings even in rough seas or high-vibration environments.The 8-level fine scale design significantly improves the reading accuracy and identification - [Adjustable and Wide Application] This Fuel level Gauge Works with Most American Standard fuel senders. Signal Input: 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm. Clear installation instructions ensure effortless setup - [Easy to install and Calibrate] Install diameter: Φ52mm or 2-1/16'', Indication range: E-F, Working voltage: 9-32v dc [fit 12V-24V Vehicle or Engine] The instruction is Easy to Follow - [8 Color Adjustment Cycle Modes] Press the mode button briefly to switch the backlight color. Includes Red(Default), Green, Blue, White, Yellow, Yellow Green, Orange, Purple,automatic circulation. Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Vehicle - [Durable and IP67 Waterproof] This fuel tank level gauge Built with a 316 stainless steel bezel,IP67 waterproof and Dustproof grade,corrosion and fog resistant. 100TECH Guarantees with 1 Year Limited Warranty & Free Lifetime Technical Support - Note: 1)The Default Setting of This Fuel Level Gauge is 240-33ohm. 2)This 100TECH Fuel Gauge Can Only Work With The Level Sender With The Corresponding Resistive Output ：240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm . The Resistance Range Can Be Adjusted By Simply Pressing A Button. 3)This Boat Fuel Gauge Can Not Work With the Fuel Sending Unit with Output Signal(0-30ohm, 0-90ohm,73-10 ohm etc.).If you need, you can choose our corresponding products - Signal Settings: Long press the mode button for 3 seconds to enter the signal input setting mode, the backlight will begin to flash. The needle will stand at "E" position firstly,Then press the buttons one by one until you select the signal parameters that meet your needs ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09C4FL56G | | Best Sellers Rank | #74,886 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #2 in Boat Engine Parts Fuel-Flow Instruments | | Brand | 100Tech | | Brand Name | 100Tech | | Country of Origin | USA | | Customer Reviews | 4.6 out of 5 stars 341 Reviews | | Item Dimensions | 6.4 x 6.4 x 6.4 Centimeters | | Item Height | 2.5 Inches | | Item Weight | 3.53 Ounces | | Item dimensions L x W x H | 6.4 x 6.4 x 6.4 Centimeters | | Manufacturer | 100TECH Direct | | Material | Stainless Steel | | Material Type | Stainless Steel | | UPC | 707025085271 | ## Product Details - **Brand:** 100Tech - **Item Weight:** 3.53 Ounces - **Item dimensions L x W x H:** 6.4 x 6.4 x 6.4 Centimeters - **Material:** Stainless Steel - **UPC:** 707025085271 ## Images ![100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) - Image 1](https://m.media-amazon.com/images/I/51PB9hrjJ3L.jpg) ![100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) - Image 2](https://m.media-amazon.com/images/I/610SzsL+q7L.jpg) ![100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) - Image 3](https://m.media-amazon.com/images/I/518xcK3zvTL.jpg) ![100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) - Image 4](https://m.media-amazon.com/images/I/513ncVgp65L.jpg) ![100TECH Boat Fuel Gauge Marine Fuel Gauge for Boat RV Yacht Car Truck, Motorcycle, Automotive Replacement Fuel Gauges, 5 Signals Adjustable 240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm(All Black) - Image 5](https://m.media-amazon.com/images/I/51AcRVhVCGL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐ No funciona al 100 *by M***. on 4 August 2025* Cumple funcion pero hay variaciones del medidor m cuando esta apagado el vehículo a cuando esta prendido por la diferencia de voltaje ### ⭐ JUNK!!! *by W***Y on 28 June 2023* I wired it as instructed, asked for help. Help didn't work. Brought boat to dealership, they could not get it to work. They installed another brand and problem solved. Nice looking gas gauge , can I return it? Real scam ,oh you are 5 days pass deadline to return it. How nice is that after asking for help 3-4 times. ### ⭐⭐⭐⭐⭐ Very nice gauges *by M***. on 8 May 2025* I bout 2 of these for my plane and they work great, quite accurate --- ## 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/399361498-100tech-boat-fuel-gauge-marine-fuel-gauge-for-boat-rv](https://www.desertcart.us/products/399361498-100tech-boat-fuel-gauge-marine-fuel-gauge-for-boat-rv) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-13*