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⛵ Upgrade Your Fuel Gauge Game — Precision Meets Durability on Every Wave!
The 100TECH 20" Marine Fuel Sending Unit is a high-precision, corrosion-resistant fuel level sensor designed for boats, RVs, and diesel tanks. Featuring a magnetic reed switch with a 240-33 ohm output, it provides smooth, accurate readings without mechanical wear. Constructed from rugged 316 stainless steel, it ensures long-lasting marine-grade durability. Easy to install with all necessary hardware included, this unit dramatically reduces fuel slosh fluctuations and fits standard 5-hole mounting patterns for quick upgrades.







| ASIN | B0BY5F3NZC |
| Brand | 100Tech |
| Brand Name | 100Tech |
| Customer Reviews | 4.8 out of 5 stars 10 Reviews |
| Manufacturer | 100Tech |
| Material | Nickel, Stainless Steel |
| Material Type | Nickel,Stainless Steel |
| Model | 20C5 |
| Number of Items | 1 |
| Part Number | 20C5 |
| UPC | 751501377688 |
| Unit Count | 1.0 Count |
| Unit count | 1.0 Count |
J**E
Almost perfect!
Easy to install if you have access to your fuel sensor. Mine are under my seats through an access panel. It’s was a pain getting to the bolts. But this was no fault of this product. But the bolts that came with this were to big and did not fit the threads. So I simply used the old bolts. All good. Gas reading on gauge went up to about half when before I was reading empty or maybe 1/8 of tank. So this definitely seems to be the fix. FYI, read the directions this has the 5 hole design and it only fits one way. Just turn the sensor until the holes line up
C**E
Accurate and supper easy to use.
Good quality, easy to install and accurate.
Trustpilot
1 month ago
3 days ago