Overview

• Manufacturer: John Deere
• Part: O-Ring, 51M7042
• Application: Sealing element used in John Deere hydraulic and oil‑filtration assemblies, notably oil filter housing plugs and filter heads
• Size & durometer: 0.524 in nominal ID (≈0.5236 in), 0.698 in OD, 0.087 in thick; 90‑durometer

Key Features

• Part Number: 51M7042
• Type of machine suitable for: John Deere agricultural and heavy equipment with hydraulic/oil‑filtration systems that reference 51M7042 in the parts catalog
• Installation tips: Ensure correct seating in a clean groove, avoid twisting or nicking the O‑ring, and use a compatible lubricant to ease installation and seating

Compatibility

• Suitable machine models: John Deere machinery that requires 51M7042 O‑ring, including oil‑filter head and related assembly applications
• Alternative part numbers: A‑51M7042 (equivalent OEM variant)