Honda 91302PL4003

The Honda 91302-PL4-003 (91302PL4003) is a genuine OEM O-ring seal (41.8 × 2.2 mm).

It is used in Honda engines as a fluid sealing O-ring, typically installed in areas like oil passages, housings, or engine cover interfaces, depending on the specific model application. Its purpose is to maintain a tight seal, preventing oil or coolant leaks and pressure loss in the system.