Key Features

• OEM John Deere Round Cross Section O-Ring (51M7043) designed to prevent leaks across hydraulic, fuel, and lubrication connections.
• 90‑durometer general-purpose rubber (H4D compound) delivers high resistance to deformation, pressure, and wear for reliable sealing under demanding conditions.
• Precise, engineered inside diameter of 15.30 mm (0.602 in) and cross-section thickness of 2.20 mm (0.087 in) for proper fit within compatible ports and sealing assemblies.
• Versatile for both static and dynamic sealing environments in agricultural and industrial equipment operating under pressure.
• OEM quality construction aligned with John Deere specifications, ensuring consistent sealing reliability and compatibility with John Deere assemblies.
• Ideal replacement for worn or damaged O-rings to prevent hydraulic, fuel, or oil leaks and maintain system pressure.

Product Details

• Product Type: Round Cross Section O-Ring
• Brand: John Deere
• Part Number: 51M7043
• Material: General-purpose rubber (H4D compound)
• Durometer: 90 hardness
• Inside Diameter: 15.30 mm (0.602 in)
• Nominal Section Thickness: 2.20 mm (0.087 in)
• Weight: Approx. 0.002 lb (0.0009 kg)
• Application: Sealing component used in various machinery connections to prevent fluid leakage and maintain system pressure

Compatibility

• Tractors: 5038D, 5045D, 5050E, 6095B, 6100B, 6110B, 6135B, 6230R, 6250R, 7830, 7930
• Construction & Industrial Equipment: 210L Backhoe Loader, 2144G Skidder, 337E Skid Steer, 710L Backhoe Loader, 312GR Skid Steer, 314G Skid Steer, 316GR Skid Steer, 318G Skid Steer, 324E Skid Steer
• Agricultural Equipment: 1895 Grain Drill, DB50 Planter, 7760 Cotton Picker, STS14 / STS16 Sprayers, R4050I Sprayer

Compatibility may vary depending on machine configuration and serial number. Always confirm with your equipment’s parts catalogue before ordering.