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John Deere O-Ring - 51M7042
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)
$2.92
John Deere O-Ring - 51M7042—
$2.92
Product Information
Product Information
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Description
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)


















