Does the gasket come with the new sending unit

Yes the gasket and screws are included.

I have a 14 1/2" sender do you sell them here 14" was the longest I could find ?

14" is a perfectly acceptable replacement for a 14 1/2", just give a slightly larger "Empty" reserve. Only a sight glass (or silence) will tell you when the tank is empty. But, use an old fashion yard stick and measure the actual depth of the tank at the sender mount point. You might find that there actually is room for a longer unit. However, be sure to leave at least 1/2" between the sender and the tank wall to allow for vibration and sediment.

I have a tank of 16 3/4 what size probe should I use?

If you mean to say that your tank is 16.75 inches deep, I would use the 15 inch one, because you never want this type of sender to touch the bottom of the tank. I have been in the boat repair business professionally for over 35 years and that would be my recommendation.

How long is the wiring to the gauge

I can’t say for anyone else but my wiring to the gauge is 15-18’. If you are worried about the length run a larger wire. I ran 14 gauge wire.

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KUS USA SSS Fuel & Water Level Sensor

Product ID: 21668215

Details

Brand
KUS
Item Weight
5.6 ounces
Item dimensions L x W x H
2.76 x 2.76 x
Material
Nitrile Rubber
Style
Modern

⚡12V/24V dual voltage compatibility

🔧SAE 5-hole mounting for secure fit

🌡️-40°F to +185°F extreme temp range

€ 119.90

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽ Stay ahead of the gauge—never run dry or guess again!

TRUSTED BY PROS - Top-rated with 4.7 stars and #5 rank in boat engine fuel instruments—join the elite users.
BUILT FOR EXTREMES - Operates flawlessly from freezing -40°F to scorching 185°F—reliable in any climate.
PRECISION SIGNAL OUTPUT - Standard American 240-30 ohm range ensures accurate fuel & water level readings.
VERSATILE COMPATIBILITY - Perfect for diesel, gasoline, and water tanks—one sensor to rule them all.
PLUG PLAY INSTALLATION - SAE 5-hole mounting pattern with included gasket & screws for hassle-free OEM replacement.

The KUS USA SSS Fuel & Water Level Sensor delivers precise, non-linear resistance output (240-30 ohm) compatible with 12V and 24V systems. Designed for rugged use, it withstands temperatures from -40°F to 185°F and mounts securely via SAE 5-hole flange. Ideal for diesel, gasoline, and water tanks, it includes all installation essentials and is a top-rated choice among marine and vehicle professionals.

Specifications

ASIN	B00Y831J6Y
Best Sellers Rank	#23,006 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #5 in Boat Engine Fuel-Flow Instruments
Brand Name	KUS
Customer Reviews	4.7 4.7 out of 5 stars (2,036)
Global Trade Identification Number	00859678005004
Included Components	Sending Unit (1 pc), NBR Mounting Gasket (1 pc), 10-24 Hex Screws (5 pcs)
Item Dimensions	2.76 x 2.76 x 4.72 inches
Item Weight	5.6 ounces
Manufacturer	WEMA USA
Material Type	Nitrile Butadiene Rubber
Maximum Supply Voltage	24 volts_of_direct_current
Measurement Accuracy	±20.6%
Model	151320
Mounting Type	Flange Mount
Number of Items	1
Number of Packs	1
Output Type	resistance, Push Pull
Part Number	151320
Sensing Distance	10.2 centimeters
Specific Uses For Product	Diesel, Fuel, Gasoline, Water, OEM Replacements
Style Name	Modern
UPC	859678005004
Unit Count	1 Count
Upper Temperature Rating	185 °F

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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€ 119.90

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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