14179 CAT Buna-N O-Ring For 2SF, 4SF, 7FR Pumps

The 14179 is a genuine OEM replacement buna-n o-ring on select CAT series pressure washer pumps.

This 14179 is made with buna-n nitrile material, and is used as a seal for the oil fill cap.

14179 oil fill cap o-ring is used on the following CAT series pumps:

• 2SF10ES
• 2SF20ES
• 2SF22ES
• 2SF22ELS
• 2SF29ELS
• 2SF30ES
• 2SF35ES
• 2SF30GS
• 2SF35GS
• 4SF40ELS
• 4SF45ELS
• 4SF50ELS
• 4SF35GS1
• 4SF40GS1
• 4SF45GS1
• 4SF50GS1
• 51
• 53
• 55
• 56
• 57
• 58
• 59
• 60