---
product_id: 712249248
title: "Busy-Corner 4C-4782 Seal O-Ring Kit,Nitrile 90 Durometer,580pcs,Hydraulic Hose Fitting Orings, Fits CAT Caterpiller Excavator 2701528 4C4782 Replacement"
brand: "busy-corner"
price: "B/.299"
currency: PAB
in_stock: true
category: "Busy Corner"
url: https://www.desertcart.com.pa/products/712249248-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90
store_origin: PA
region: Panama
---

# Organized heavy-duty storage case 90 Durometer heat & wear resistant 580 pcs multi-size kit Busy-Corner 4C-4782 Seal O-Ring Kit,Nitrile 90 Durometer,580pcs,Hydraulic Hose Fitting Orings, Fits CAT Caterpiller Excavator 2701528 4C4782 Replacement

**Brand:** busy-corner
**Price:** B/.299
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with the ultimate CAT O-ring kit – never get caught unprepared!

## Quick Answers

- **What is this?** Busy-Corner 4C-4782 Seal O-Ring Kit,Nitrile 90 Durometer,580pcs,Hydraulic Hose Fitting Orings, Fits CAT Caterpiller Excavator 2701528 4C4782 Replacement by busy-corner
- **How much does it cost?** B/.299 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/712249248-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90)

## Best For

- busy-corner enthusiasts

## Why This Product

- Trusted busy-corner brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Risk-Free Purchase:** Hassle-free returns with full refund guarantee for total peace of mind
- • **Premium Buna-N 90D Material:** Engineered for high temperature, oil, UV, and wear resistance
- • **Heavy-Duty Storage Case Included:** Keeps your O-rings sorted and ready for any job on the go
- • **Precision Fit for CAT Excavators:** Perfectly matches CAT hydraulic hose fittings and flange O-rings
- • **Comprehensive 580-Piece Assortment:** Covers 32 CAT OEM part numbers for ultimate versatility

## Overview

The BUSY-CORNER 4C-4782 Seal O-Ring Kit offers 580 premium nitrile O-rings in 32 CAT OEM sizes, crafted from durable 90 Durometer Buna-N for superior heat, oil, and wear resistance. Designed specifically for CAT hydraulic hose fittings and flange O-rings, this kit comes in a rugged, organized storage case, making it the go-to solution for professionals demanding reliability and convenience on every project.

## Description

BUSY-CORNER 4C-4782 270-1528 O-ring Assortment Kit Fits CAT Caterpillar Ø SPECIFICATIONS:20 pieces each for CAT part number 4J7533,7J0204,4J5477,6V8397,6V8398,7J9108,6V9746,5K9090,6V8400,8T0315,3J7354,1J9671,3J1907,3K0360,2M9780,3D2824,4K1388,7M8485,2S40786K6307,304606,4J5140,4J526715 pieces each for CAT part number 4J0519,4J0520,4J0521,4J0522,4J0523,4J052410 pieces each for CAT part number 4J0525,4J0526,4J0527Total 580pcs, packed in a plastic storage case with label to identify sizesØ WIDE APPLICATION4C-4782(2701528) Seal oring kit use for sae stor & orfs fittings,code 61/62 flange O-Rings,Caterpillar hydraulic hose fitting oring.

## Features

- High Quality:Made of Buna-N 90D (NBR) material,are durable,high temperature resistance,anti static,oil resistant,UV resistance,heat resistant,wear resistant,exceptionally suited for high pressure applications.
- Multi Size:You can get a good selection of 32 different CAT OEM part numbers oring in this kit,can meet almost all your needs.
- Wide Application:This Kit use for sae stor & orfs fittings,code 61/62 flange O-Rings,Caterpillar hydraulic hose fitting oring.
- Handy Packing: Comes with a heavy duty storage case that keeps each size o rings separated and organized,that makes more convenient to carry, select and collect.
- Customer Service: You are unhappy for any reason, return your kit with no questions asked and we will provide a full refund.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08PNJT4V5 |
| ASIN  | B08PNJT4V5 |
| Brand Name | BUSY-CORNER |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (132) |
| Customer reviews | 4.6 4.6 out of 5 stars (132) |
| Date First Available  | 21 August 2024 |
| Item model number  | 4C-4782 2701528 |
| Manufacturer | BUSY-CORNER |
| Manufacturer  | BUSY-CORNER |
| Material Type | Synthetic Rubber |
| Model | 4C-4782 2701528 |
| Number of Pieces | 580 |
| Part Number | 4C-4782 2701528 |
| Product Dimensions  | 35 x 29 x 4.5 cm; 1.17 kg |
| Set Name | 4C-4782 Seal O-Ring Kit |
| Temperature Range | -4E+1 Degrees Celsius |
| UPC | 791715982971 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** BUSY-CORNER
- **Colour:** Black
- **Material:** Synthetic Rubber
- **Temperature range:** -4E+1 Degrees Celsius
- **UPC:** 791715982971

## Images

![Busy-Corner 4C-4782 Seal O-Ring Kit,Nitrile 90 Durometer,580pcs,Hydraulic Hose Fitting Orings, Fits CAT Caterpiller Excavator 2701528 4C4782 Replacement - Image 1](https://m.media-amazon.com/images/I/81y2mempuwL.jpg)

## Questions & Answers

**Q: Are these actual cat seals?**
A: It Is not a cat box but you would never tell the o rings apart from the genuine - perhaps they are made at the same factory..

## Frequently Bought Together

- BUSY-CORNER 4C-4782 Seal O-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar Excavator 2701528 4C4782 Replacement
- BUSY-CORNER 4C-4784 Print D-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Drings, Fits CAT Caterpillar Excavator 2701535 4C4784 Replacement
- BUSY-CORNER 4C-8253 Seal O-Ring Kit, Silicone 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar Excavator 2701533 4C8253 Replacement

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**Shop now:** [https://www.desertcart.com.pa/products/712249248-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90](https://www.desertcart.com.pa/products/712249248-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-09-03*