---
product_id: 274362668
title: "BUSY-CORNER 4C-4782 Seal O-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar Excavator 2701528 4C4782 Replacement"
brand: "busy-corner"
price: "$U6204"
currency: UYU
in_stock: true
reviews_count: 8
url: https://www.desertcart.uy/products/274362668-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90
store_origin: UY
region: Uruguay
---

# 32 sizes included Durable Nitrile 90D High temp resistance BUSY-CORNER 4C-4782 Seal O-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar Excavator 2701528 4C4782 Replacement

**Brand:** busy-corner
**Price:** $U6204
**Availability:** ✅ In Stock

## Summary

> 🔩 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** BUSY-CORNER 4C-4782 Seal O-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar Excavator 2701528 4C4782 Replacement by busy-corner
- **How much does it cost?** $U6204 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/274362668-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

- • **Unmatched Durability:** Crafted from high-quality Buna-N 90D (NBR) material, these O-rings are built to withstand extreme conditions.
- • **24/7 Customer Support:** Our dedicated team is always ready to assist you, ensuring you get the best service whenever you need it.
- • **Wide Application Range:** Perfect for SAE stor & ORFS fittings, as well as Caterpillar hydraulic hose fittings, making it a must-have for professionals.
- • **Effortless Organization:** The heavy-duty storage case keeps your O-rings neatly separated, making selection and transport a breeze.
- • **Versatile Compatibility:** This kit includes 32 different CAT OEM part numbers, ensuring you have the right fit for almost any application.

## Overview

The BUSY-CORNER4C-4782 Seal O-Ring Kit is a comprehensive solution for hydraulic hose fittings, featuring 32 durable Buna-N 90D O-rings that are resistant to high temperatures, oils, and UV exposure. Packaged in a convenient storage case, this kit is designed for easy access and organization, making it ideal for professionals in need of reliable sealing solutions.

## Description

BUSY-CORNER 4C-4782 Seal O-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar Excavator 2701528 4C4782 Replacement

## 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 orings.
- 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: BUSY-CORNER always focuse on product quality and service. If you have any questions, please contact us. We are in 24 Hours Service!

## Product Details

- **Material:** Rubber Nitrile 90
- **Brand:** BUSY-CORNER
- **Color:** Black
- **UPC:** 791715982971
- **Manufacturer:** BUSY-CORNER

## Images

![BUSY-CORNER 4C-4782 Seal O-Ring Kit, Nitrile 90, Hydraulic Hose Fitting Orings, Fits CAT Caterpillar 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..

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits
*by J***E on June 21, 2025*

Solid kit had every thing I’ve needed so far very happy with it for equipment o rings

### ⭐⭐⭐⭐⭐ Great replacement for name brand o-ring kit
*by A***  on December 22, 2024*

Great replacement for name brand o-ring kit

### ⭐⭐⭐⭐ Good quality
*by M***Z on July 4, 2025*

resistant

## 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.uy/products/274362668-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90](https://www.desertcart.uy/products/274362668-busy-corner-4c-4782-seal-o-ring-kit-nitrile-90)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-22*