OS/MOS: Designates if dimensions are displayed in inches or millimeters
Loosen all the sump nuts or bolts with a socket, long extension bar and ratchet handle.
Regular maintenance and inspection of the 25x47x7 oil seal are also important in preserving its performance over time. By checking for signs of wear or damage and replacing the seal as needed, machine operators can ensure that the seal continues to provide reliable protection against oil leaks.
Update: Material
Trucks including DAF, Iveco and MAN

rubber pipe gasket. This makes them suitable for use in various applications, including potable water, wastewater, chemicals, and gases. The ability of rubber gaskets to maintain their sealing properties in harsh environments makes them a reliable choice for both residential and commercial plumbing projects.
Metal cased design
Longer seal life can be expected with shafts having a Rockwell (RC) hardness of 30 or more. When exposed to abrasive contamination, the hardness should be increased to RC 60.

