57902P Sierra Fuel Gauge | Genuine Used Part

🔧 Product Description

Genuine Sierra Amega Fuel Level Gauge - Part Number: 57902P

A genuine used Sierra Amega Series two-inch fuel gauge for marine tanks using a compatible resistance-type sender.

The black-face instrument displays fuel level from empty through half to full and uses standard 12-volt gauge illumination.

⚙️ Key Features

• Genuine used Sierra fuel gauge
• Correct part number 57902P
• Amega Series black-face design
• Empty-half-full scale
• Approximately 2.13-inch dash opening
• Designed for a sender-code F / common US marine sender

🚤 Compatibility

Commonly used on

• Petrol and diesel boats
• Marine fuel tanks with a standard US resistance sender

Typically suits

• System Voltage: 12V
• Sender Range: Commonly 240 ohms empty to 33 ohms full
• Cut-Out Diameter: Approximately 2.13 inches
• Engine Type: Not engine-specific

🔌 Function

The fuel-tank sender changes resistance as the float moves, and the gauge converts the signal into a fuel-level reading.

⚠️ Common Signs of Failure

• Gauge remains on empty or full
• Reading is inaccurate
• Needle fluctuates excessively
• Sender and gauge resistance ranges do not match
• Illumination does not operate
• Terminals are corroded
• Reading changes when the harness moves

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 57902P current Sierra Amega fuel-gauge reference

OEM / Related Numbers

• 57902P
• Sierra Amega two-inch fuel gauge
• Sender Code F
• Related 240-33-ohm marine fuel-tank sender
• Related mounting bracket and illumination wiring

Aftermarket / Verified Equivalents

• Faria two-inch 240-33-ohm fuel-level gauge
• VDO: 301-15278 - Cockpit Marine fuel gauge
• KUS 52mm 240-33-ohm marine fuel gauge
• Teleflex / Veethree two-inch fuel gauge with matching sender calibration

📦 Condition

• Genuine used part
• Removed from running boat where applicable
• In good working condition unless otherwise stated