Komatsu Excavator O-Ring Kit – 435pc Hydraulic Seal Assortment
Komatsu Excavator O-Ring Kit – 435pc Hydraulic Seal Assortment is backordered and will ship as soon as it is back in stock.
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📏 Find Your Thread Size
📏 Find Your Thread Size
Not sure if it’s BSPP, JIC, or NPT? We’ve got you covered.
Whether you're matching a 3" BSP Brass Ball Valve or identifying a hydraulic hose fitting, our thread chart makes the guesswork easy. Just grab a set of calipers (or even a tape measure), compare your fitting against our chart, and in most cases — boom — you’ll know exactly what thread you’ve got.
Still unsure? No worries. Snap a photo or two, send us the measurements, and we’ll help you confirm the thread so you can order with confidence.
💪 Built to Last Promise
💪 Built to Last Promise
Products we trust. Quality you can count on.
Every hose, fitting, clamp, valve and accessory we supply is carefully selected, used in our own workshop, and backed by our reputation for reliability. We don’t sell anything we wouldn’t use ourselves.
✔️ We crimp every hose assembly in-house for full quality control
✔️ We source only from trusted brands we’d stake our name on
✔️ We offer a no-fuss 2-year warranty on our hose assemblies
✔️ Most fittings, clamps and accessories carry manufacturer warranties from 12 months up to 10 years
Whether it’s under pressure or in harsh environments, our gear is built to last — and delivered fast.
🚚 Fast, Flexible Shipping
🚚 Fast, Flexible Shipping
Australia-wide delivery with options to suit your jobsite and your deadline.
Whether it’s a single hose or a pallet of fittings, we’ll get it to you fast — with flexible options for critical and non-critical needs.
✔️ We ship Australia-wide — satchels, cartons & pallets
✔️ Delivery typically takes 1–10 business days, depending on your location
✔️ Urgent order? Priority freight options available at checkout
✔️ Some items may ship direct from our supply partners to speed up delivery
✔️ Tracking details provided once your order is dispatched
Need it fast or want to organise your own freight? Let us know — we’re here to help.
Description
Description
Komatsu Excavator O-Ring Kit – 435 Piece Hydraulic Seal Assortment
The Komatsu Excavator O-Ring Kit is a comprehensive 435-piece set of high-quality O-rings designed to suit Komatsu hydraulic systems. It includes the full range of O-ring sizes commonly used in Komatsu excavators, loaders, and earthmoving machinery – perfect for workshop maintenance, field repairs, and service trucks.
Each O-ring is precision manufactured from Buna-N (Nitrile) rubber, offering outstanding resistance to hydraulic oils, diesel fuel, and lubricants. This kit ensures a professional seal and long service life in high-pressure hydraulic systems, helping prevent leaks and downtime on-site.
✔️ KIT CONTENTS & FEATURES
- 435-piece O-ring assortment to suit Komatsu hydraulic systems
- Equivalent to OEM specification for Komatsu sealing applications
- Manufactured from durable Buna-N (Nitrile) rubber
- Excellent resistance to oil, fuel, and hydraulic fluids
- Temperature range: -30°C to +120°C
- Supplied in a labelled, heavy-duty compartment case for easy identification
💡 APPLICATIONS
- Komatsu excavators, loaders, and heavy machinery
- Hydraulic cylinder and hose repair
- Workshop and field service kits
- Construction, mining, and agricultural equipment
🔧 SPECIFICATIONS
- Kit Code: Komatsu Equivalent O-Ring Kit
- Material: Nitrile (Buna-N) Rubber
- Hardness: 90 Shore A
- Temperature Range: -30°C to +120°C
- Total Pieces: 435
- Storage Case: Durable plastic with labelled compartments

BUILT TO LAST, DELIVERED FAST.
Proudly supplied by Tasmanian Hose Solutions – stock on the shelf, ready to ship Australia-wide.
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