Yanmar Valve Cover O-Ring | 24311-000120 | 1AP12.0

Description

The Yanmar O-Ring (24311-000120 / 1AP12.0) is designed to seal the valve cover knob/nut on Yanmar GM-series marine diesel engines. This O-ring prevents oil leakage from the valve cover and ensures proper sealing during engine operation.

Manufactured to OEM specifications, it provides accurate fitment and reliable sealing. Replacement is recommended whenever the valve cover knob is removed during service or maintenance.

Product Type

O-ring (valve cover knob / nut seal)

OEM / Reference Number

• 24311-000120

• 1AP12.0

Dimensions

• Outer size: 17 × 17 mm

• Thickness: 3 mm

Application

• O-ring for valve cover knob / nut

• Prevents oil leakage from valve cover

Compatibility

Suitable for Yanmar engines:

GM Series

• 1GM

• 1GM10

• 2GM

• 2GM20

• 2GM20 EU

• 2GM20 F

• 2GM20 F EU

• 3GM

• 3GM30

• 3GM30 EU

• 3GM30 F

• 3GM30 F EU