---
product_id: 392734729
title: "Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case)"
brand: "captain o-ring"
price: "33.44 OMR"
currency: OMR
in_stock: true
reviews_count: 5
category: "Captain O Ring"
url: https://www.desertcart.com.om/products/392734729-captain-o-ring-llc-captain-o-ring-255-piece-boss
store_origin: OM
region: Oman
---

# durable organizer case high-temp resistant BN70 255 precision O-rings Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case)

**Brand:** captain o-ring
**Price:** 33.44 OMR
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal your success with the ultimate O-ring arsenal!

## Quick Answers

- **What is this?** Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) by captain o-ring
- **How much does it cost?** 33.44 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/392734729-captain-o-ring-llc-captain-o-ring-255-piece-boss)

## Best For

- captain o-ring enthusiasts

## Why This Product

- Trusted captain o-ring brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Size Range:** Includes all common -904 to -916 O-rings for seamless hydraulic sealing
- • **Organized & Portable:** Sturdy plastic divider case keeps all 255 pieces sorted and ready for action
- • **Premium BN70 Material:** 70 durometer Buna Nitrile ensures superior durability and heat resistance up to 250°F
- • **Hydraulic-Grade Sealing:** Specifically designed for ORB (O-Ring Boss) fittings, guaranteeing leak-proof performance
- • **Trusted Quality & Value:** Highly rated kit with 4.6 stars and proven reliability for professional-grade repairs

## Overview

The Captain O-Ring 255 Piece Boss Hydraulic BN70 SAE 900 Kit offers a comprehensive assortment of high-quality Buna Nitrile O-rings (-904 to -916 sizes) designed for hydraulic ORB fittings. Packaged in a durable, compartmentalized case, this kit delivers professional-grade sealing performance with heat resistance up to 250°F, making it an essential tool for millennial managers who demand reliability and organization in their maintenance gear.

## Description

Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) : desertcart.co.uk: DIY & Tools

Review: Nice set of o-rings in an awesome case. That's usually the problem with these kits, the case is junk and falls apart and your stuff ends up on the ground. Not this kit. Has all the common sizes and feel like quality o-rings.
Review: Great set, fit very well and I guess only time will tell how long they last. Large assortment of sizes and all fit my machine so far. Great value for the price. Case is nice to keep them organized and it is not flimsy.

## Features

- Includes high quality BN70 (Buna Nitrile 70 durometer) o-rings - the most common o-ring material
- Includes all sizes between -904 to -916
- Used in sealing straight thread tube fittings (ORB / O-Ring Boss Type) in hydraulic equipment
- O-Rings are conveniently sorted by size in individual compartments.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BE5J23K |
| Batteries Required? | No |
| Batteries included? | No |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (166) |
| Date First Available | 23 Dec. 2022 |
| Item Weight | 228 g |
| Item model number | BOSS255-BN70 |
| Manufacturer | Captain O-Ring LLC |
| Material | Synthetic Rubber |
| Number of Pieces | 255 |
| Package Dimensions | 22.9 x 12.5 x 3.5 cm; 228 g |
| Part number | BOSSKIT-255pcBN70 |
| Temperature Range | 2.5E+2 Degrees Fahrenheit |

## Product Details

- **Brand:** Captain O-Ring
- **Colour:** Black
- **Material:** Synthetic Rubber
- **Temperature range:** 2.5E+2 Degrees Fahrenheit
- **UPC:** 722589526572

## Images

![Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) - Image 1](https://m.media-amazon.com/images/I/41BjeQP7VHL.jpg)
![Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) - Image 2](https://m.media-amazon.com/images/I/41SGOqrEUoL.jpg)
![Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) - Image 3](https://m.media-amazon.com/images/I/41T6lqI7jvL.jpg)
![Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) - Image 4](https://m.media-amazon.com/images/I/41begCR0mFL.jpg)
![Captain O-Ring LLC Captain O-Ring 255 Piece Boss Hydraulic Bn70 Sae 900 O-Ring Kit (255Pc: 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 Buna Nitrile Orings In Plastic Divider Case) - Image 5](https://m.media-amazon.com/images/I/41g8Q2RTMML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***6 on 6 June 2021*

Nice set of o-rings in an awesome case. That's usually the problem with these kits, the case is junk and falls apart and your stuff ends up on the ground. Not this kit. Has all the common sizes and feel like quality o-rings.

### ⭐⭐⭐⭐⭐ Review
*by T***C on 3 February 2020*

Great set, fit very well and I guess only time will tell how long they last. Large assortment of sizes and all fit my machine so far. Great value for the price. Case is nice to keep them organized and it is not flimsy.

### ⭐⭐⭐⭐ Review
*by J***N on 5 December 2025*

decent selection

## Frequently Bought Together

- Captain O-Ring - ORB BOSS Hydraulic Fitting SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit, 12 Sizes)
- Captain O-Ring ORS/ORFS (for Flat Face Fittings) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit)
- Captain O-Ring Flange Seal (SAE Code 61/62) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-55 Piece Kit)

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**Shop now:** [https://www.desertcart.com.om/products/392734729-captain-o-ring-llc-captain-o-ring-255-piece-boss](https://www.desertcart.com.om/products/392734729-captain-o-ring-llc-captain-o-ring-255-piece-boss)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-21*