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Caterpillar 4C-4782 O-Ring Kit – 580pc SAE, ORFS & Flange Seal Set

Sale price $132.00 Regular price $449.95
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📏 Find Your Thread Size

THREAD IDENTIFICATION CHART

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

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

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.

The essential O-ring kit for any workshop or mobile service truck maintaining Caterpillar hydraulic systems.

Description

Caterpillar 4C-4782 O-Ring Kit – 580 Piece SAE, ORFS & Flange Seal Set

The Caterpillar 4C-4782 O-Ring Kit is the essential all-in-one sealing solution for hydraulic, pneumatic, and general maintenance work. Featuring 580 high-quality O-rings covering SAE, ORFS, and Flange Seal sizes, this kit is designed to meet OEM standards and withstand the high-pressure demands of heavy equipment servicing.

Whether you’re working on Caterpillar machinery, hydraulic hose assemblies, or industrial equipment, this kit ensures you’ve always got the right seal on hand. Each O-ring is manufactured from premium Nitrile (Buna-N) rubber for excellent oil, fuel, and hydraulic fluid resistance — perfectly suited to workshop, field, or service truck use.

✔️ KIT CONTENTS & FEATURES

  • Comprehensive 580-piece assortment of SAE, ORFS & flange O-rings
  • Equivalent to genuine Caterpillar 4C-4782 specification
  • Organised, labelled compartment case for easy size identification
  • Manufactured from high-quality Buna-N (Nitrile) for reliable sealing performance
  • Resists oil, fuel, diesel, hydraulic fluid, and water-based lubricants
  • Temperature range: -30°C to +120°C

💡 APPLICATIONS

  • Hydraulic hose assembly and repair
  • Mobile and industrial equipment maintenance
  • Construction, mining, agricultural and transport machinery
  • Workshop and on-site service kits

🔧 SPECIFICATIONS

  • Kit Code: Caterpillar 4C-4782 Equivalent
  • Material: Nitrile (Buna-N) Rubber
  • Hardness: 90 Shore A
  • Temperature Range: -30°C to +120°C
  • Total Pieces: 580
  • 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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Don’t Take Our Word for It — Take Theirs

A friend suggested to use TASMANIAN HOSE SOLUTIONS, we have found the service exceptional the pricing even better and the knowledge of products. Scott goes out of his way to make sure you get what you need, if he doesn't stock it its usually one day and its arrived.

Colebrook Sandstone

Your life won’t be fulfilled till you have dealt with Tasmanian Hose Solutions. I never have to hold leaks with my thumbs again. I can just use the parts provided and it’s perfect.

Miro Jurcevic

Most impressed by the quick turnaround and quality of parts ordered. Will definitely use again.

Robert Legg-Bagg

Hoses made while you wait. Great service.

Paul Fergusson

Exactly what i wanted and sent super-fast... exactly how online shopping should be.

Nick Gallegos