KOMATSU 07000-11007 O-RING

The Komatsu 07000-11007 O-Ring is a genuine sealing component sized for the hydraulic system of the compact PC15-2 excavator. Despite its smaller scale compared to the larger machines in Komatsu’s lineup, this O-Ring performs the same essential job — sealing pump housings, cylinder connections, or valve fittings to keep hydraulic fluid contained under pressure while blocking dirt and moisture from entering the circuit. On a compact excavator, where every hydraulic component is tightly packaged, a reliable seal in this spot is just as critical as it is on much larger equipment.

Produced to Komatsu’s factory specifications, this O-Ring is molded from a resilient elastomer compound designed to withstand hydraulic oil exposure, pressure cycling, and the wear that comes from regular start-stop operation typical of compact machinery. It retains its flexibility over time rather than stiffening or cracking, allowing it to keep sealing properly through repeated use. Manufactured to precise tolerances, it fits correctly straight out of the box, avoiding the fitment issues that can come with loosely matched generic substitutes.

Even on a compact machine, a leaking O-Ring can lead to reduced hydraulic responsiveness, slow oil loss, and eventual damage to more expensive components like the pump or cylinder it seals. Replacing it with a genuine part during routine maintenance is a small investment that helps keep the PC15-2’s hydraulic system running the way it was designed to.

Technical Features

• Genuine Komatsu-spec O-Ring
• Durable elastomer material
• Resistant to hydraulic oil and pressure cycling
• Maintains flexibility through repeated operating cycles
• Precision-manufactured for accurate, consistent fitment
• Helps prevent leakage and contamination in the hydraulic circuit
• Sized for compact excavator hydraulic components

Compatible Machine Models

Komatsu Excavator

• PC15-2

Alternative Part Numbers

• 07001-01009
• 07000-12105
• 23B-22-11380

Shop & Supply keeps the Komatsu 07000-11007 O-Ring in stock and ready to ship, as part of our genuine Komatsu parts selection covering compact through heavy-frame excavators. Choosing the original part means the exact fit and material grade your PC15-2 was built for — reliable sealing without the guesswork of an unverified aftermarket match.