RING - PISTON (Doosan DWNI31516L1001)

DWNI31516L1001: A worn retaining ring can allow a piston to shift, leading to mechanical binding or component separation. This aftermarket replacement part references the Doosan catalog number DWNI31516L1001. The ring’s primary function is to secure a piston within its bore by seating in a groove. If the ring fails, the piston may dislodge, causing sudden loss of motion or internal damage. During a rebuild, a technician often replaces the ring to restore proper retention. Verify the serial number or application, then call (562) 693-7748. The part is a retaining ring, a simple fastener that prevents axial movement under load.

Part number variants: DWNI31516L1001, dwni31516l1001