Oring 378287X1 Massey Ferguson

The 378287X1 O-Ring is a precision aftermarket sealing component designed for Massey Ferguson powershift transmission systems. Manufactured to OEM dimensional standards (234.54 × 3.53 mm), this O-ring provides reliable sealing performance in high-pressure gearbox applications. It is used within the powershift module to prevent hydraulic oil leakage and maintain proper transmission pressure, ensuring smooth gear operation and long service life. Produced from durable elastomer material resistant to heat, pressure, and hydraulic fluids, this aftermarket O-ring is a cost-effective replacement for worn or damaged original seals during transmission service or overhaul. Compatible with multiple Massey Ferguson DYNA and 5400 / 6400 series tractors. Key Benefits Designed for Powershift transmission applications OEM-matched dimensions for correct fitment Resistant to oil, pressure, and operating temperatures Ideal for gearbox maintenance and rebuilds Aftermarket alternative to MF OEM 378287X1