100TECH Stainless Steel Fule tank Sending Unit is Made With OKI Reed Switch(Imported from Japan). It's Easy to Install. A Perfect Match with All the Screw Holes Lining up the Unit Comes with 5pcs of Screws and 1pc of New Neoprene Gasket. It is the Direct Replacement for Arm Type Sensors or Original Wema Unit for Better Durability and Reliability. The Substantial Flange can Seal the Tank Completely The 100TECH Marine Fule Sending Units are Widely Used in Marine, On-road, Off-road, Generator set, and Industrial Applications. The Electric Liquid Level Sending Unit Utilizes Reed Switch and Magnetic Field technology. In 100TECH Reed Switch Level Senders the Float is the Only Moving Part of the Sender, Thereby Minimizing Potential Mechanical Failures. Material:Body: SUS 316 Stainless Steel. Cable: PVC. Float: NBR. Mounting Methods: Standard SAE 5 hole pattern. Protection Rank: IP65. Output Signal: American Standard 240-33 ohms (240 ohms at empty , 33 ohms at full). Resolution Range: 10mm: 4?,5??6?,6.5?,7?,7.5? 21mm: 8?,8.5?,9?,9.5?,10?,10.5?,11?,11.5?,12?,12.5?,13?,13.5?,14?,15?,16?,17?,18?,19?,20?,21?,22?,23?24?,25?,26?,27?,28?,29?,30?,31?32? Operational Temperature: -40F ~ +85F (-40C ~ +85C). Package Information: 1 x 100TECH Fuel Sending Unit 1 x Gasket 5 x M5*0.8 Length(16mm) Screws 1x Sending Unit Installation Guide Note: Please kindly pay Attention to the Product Description, Especially the Resolution and Length (the Length of Sender Should be 1" less than the Depth of the Tank if tank is Plastic, and 0.5" Less Than the Depth of the Tank if Tank is Metal) Before Placing the Order. b[100TECH Fuel Sending Unit Features and Benefits] Made With OKI Reed SwitchImported from Japan. SS Construction,SAE 5 hole Mounting Pattern, Its The Direct Replacement for OEMs ArmType Fuel Sender. b br The Advantage of This Sending Unit Over ThickFilm Swim Arm Type Level Sender is the Reed Switchs Durability and Reliability.br b[It Includes Everything You Need in the Package, Easy and Simple to Install] bThe Fuel Level Sensor Comes with 1pc of Cork Gasket,5pcs of Mounting Screws,WellWritten and Illustrated instructions. Take about 15 Minutes to Intstall Total, No More Gas Fumes br Wide Application For Use in bDiesel, Fuel, Gasoline, Water, OEM Replacement. b It Could Support Fuel Level Gauge and Water Level Gauge for BoatAuto.br bSIGNAL OUTPUT 24033 ohms b240 ohms at empty, 33 ohms at fullNonLinear Output. If you Need Lengths Other than 432, Please Contact us Directly for More Information. b[Attention]b 1To Allow the Fule Sender not Hit the Bottom of the Tank, Please Measure from the Top of Your Tank to the Bottom on the Outside and Subtract 1 Inch the Length of Sender.br 2[The Size of Float] The Diameter of Float is 1.3835mm. If You Have to Drill the hole, Diameter 1.5038mm Hole Would be Perfect.br