--- product_id: 581742312 title: "Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit)" brand: "captain o-ring" price: "₩202219" currency: KRW in_stock: true url: https://www.desertcart.kr/products/581742312-captain-o-ring-llc-captain-o-ring-boss-hydraulic-sae store_origin: KR region: South Korea --- # Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) **Brand:** captain o-ring **Price:** ₩202219 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) by captain o-ring - **How much does it cost?** ₩202219 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/581742312-captain-o-ring-llc-captain-o-ring-boss-hydraulic-sae) ## 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 ## Description Captain O-Ring's 255 Piece ORB / BOSS Hydraulic BN70 O-Ring Kit includes 12 sizes and 255 total o-rings. The kit includes o-ring sizes 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 916 which are used to seal straight thread tube fittings (BOSS Type) found in hydraulic equipment. This kit contains o-rings made of Buna Nitrile (70 durometer) material, also known as BN70. BN70 is the most common and most practical o-ring material used in BOSS seal applications due to its resistance to many hydraulic fluids and its flexability/sealability in low temperatures. The included size chart on the front of the kit makes sizing up o-rings quick and effortless. O-Rings are conveniently sorted by size in a shatterproof Flambeau divider box. Includes: -904 (35 pieces) -905 (35 pieces) -906 (30 pieces) -907 (25 pieces) -908 (25 pieces) -909 (20 pieces) -910 (20 pieces) -911 (15 pieces) -912 (15 pieces) -913 (15 pieces) -914 (10 pieces) -916 (10 pieces) What to expect: This item includes 255 O-Rings in a Flambeau plastic divider case with "Captain O-Ring" branded packaging. Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01BE5J23K | | Best Sellers Rank | #28,849 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #48 in O-Rings | | Brand | Captain O-Ring | | Brand Name | Captain O-Ring | | Customer Reviews | 4.7 out of 5 stars 173 Reviews | | Manufacturer | Captain O-Ring LLC | | Material | Buna-N Rubber | | Material Type | Buna-N Rubber | | Model | BOSS255-BN70 | | Number of Pieces | 255 | | Part Number | BOSSKIT-255pcBN70 | | Set Name | 255 Piece ORB / BOSS Hydraulic BN70 O-Ring Kit | | Temperature Range | 2.5E+2 Degrees Fahrenheit | | UPC | 722589526572 | | Unit Count | 1 Count | ## Product Details - **Brand:** Captain O-Ring - **Manufacturer:** Captain O-Ring LLC - **Material:** Buna-N Rubber - **Temperature Range:** 2.5E+2 Degrees Fahrenheit - **UPC:** 722589526572 ## Images ![Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) - Image 1](https://m.media-amazon.com/images/I/61McUTf2fgL.jpg) ![Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) - Image 2](https://m.media-amazon.com/images/I/61IYRERvRSL.jpg) ![Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) - Image 3](https://m.media-amazon.com/images/I/717g8TlgbJL.jpg) ![Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) - Image 4](https://m.media-amazon.com/images/I/81kE6acXRoL.jpg) ![Captain O-Ring LLC Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) - Image 5](https://m.media-amazon.com/images/I/71BO9vN4TzL.jpg) ## 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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/581742312-captain-o-ring-llc-captain-o-ring-boss-hydraulic-sae](https://www.desertcart.kr/products/581742312-captain-o-ring-llc-captain-o-ring-boss-hydraulic-sae) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-05-24*