Key Features

• Reliable leak prevention: creates a tight seal to prevent fuel or fluid leakage in engine and injector-line systems.
• Durable rubber/Viton-type material: flexible, resilient sealing compound designed for varying pressures and temperatures.
• Optimised 90-durometer hardness: balanced stiffness to maintain seal integrity under vibration and thermal cycling.
• Precisely engineered dimensions: outer diameter, inner diameter, and thickness meet exact fitment requirements for dependable sealing.
• Genuine John Deere quality: OEM specification compliance for dependable performance and compatibility with John Deere equipment.
• Compact design for tight spaces: fits accurately within fuel injector lines and other critical fluid connections.
• Specifically for fuel injection systems: ideal for sealing fuel lines and injector fittings to maintain system pressure.

Product Details

• Product Type: Plain Sealing Washer / Sealing Washer Sleeve
• Brand: John Deere
• Part Number: R51936
• Material: High-quality rubber / Viton-type sealing compound
• Outer Diameter: 10.50 mm (0.41 in)
• Inner Diameter: 5.56 mm (0.22 in)
• Thickness: 5.41 mm (0.21 in)
• Durometer Hardness: 90
• Application: Fuel injector and fluid line sealing washer used to prevent leaks and maintain system pressure

Compatibility

• Compatible Equipment: Commonly used on John Deere agricultural equipment, including 5E Series tractors and 6M Series tractors.
• Harvesting Equipment: Used with John Deere combine harvesters such as models 4420, 6602, and 6620.
• Function: Sealing washer for diesel engine fuel injection systems, fuel line connections, and injector fittings.
• Notes: Compatibility may vary by machine configuration and serial number. Always confirm with your equipment parts catalogue before ordering.