--- product_id: 588174963 title: "TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors" brand: "tongass" price: "93.80 DT" currency: TND in_stock: true reviews_count: 5 category: "Ton Gass" url: https://www.desertcart.tn/products/588174963-tongass-20-pack-black-exact-replacement-for-yamaha-90430-08020 store_origin: TN region: Tunisia --- # 20-pack for long-term maintenance Exact OEM fit for Yamaha models Durable Japanese hard fiberboard TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors **Brand:** tongass **Price:** 93.80 DT **Availability:** ✅ In Stock ## Summary > 🛥️ Keep your Yamaha running leak-free — never get caught without the perfect seal! ## Quick Answers - **What is this?** TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors by tongass - **How much does it cost?** 93.80 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/588174963-tongass-20-pack-black-exact-replacement-for-yamaha-90430-08020) ## Best For - tongass enthusiasts ## Why This Product - Trusted tongass brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack Convenience:** 20 gaskets per pack means you’re always ready for seasonal maintenance without last-minute runs. - • **Precision OEM Compatibility:** Seamlessly replaces Yamaha 90430-08020-00 & related parts for a perfect fit every time. - • **Trusted Aftermarket Quality:** TonGass parts meet and exceed OEM durability standards, delivering reliable seals season after season. - • **Universal Yamaha 4-Stroke Fit:** Compatible with a wide range of Yamaha 4-stroke outboard motors, from 2.5HP to 300HP models. - • **Premium Hard Fiberboard Material:** Crafted from Japanese hard fiberboard that resists oil and water intrusion, ensuring leak-proof performance. ## Overview TonGass 20-Pack Lower Gear Case Oil Drain Gaskets are exact replacements for Yamaha OEM parts, made from durable Japanese hard fiberboard. Designed for Yamaha 4-stroke outboard motors, these 8mm interior diameter gaskets provide a reliable, oil-resistant seal to prevent leaks. The bulk pack ensures you have spares for multiple maintenance cycles, combining OEM-level quality with aftermarket value. ## Description Super Value 20-Pack for Yamaha Lower Gear Case Oil Drain Gaskets These gaskets are easy to lose, so it’s important to always have a gasket or two on hand. With our super value pack, you’ll have 20 replacement oil drain plug gaskets you can use for several seasons to come.Compatible with Yamaha Motor Models Outboard 300HP F300NSB2 2020 Outboard 250HP F250NCB2 2021Outboard 225HP F225NCB2 2021 Outboard 225HP F225NCB 2021Outboard 300HP F300NCB2 2021Outboard 250HP F250NCB 2021 Outboard 300HP F300NCB 2021Outboard 300HP F300NSB 2020Outboard 300HP F300NSB7 2020Outboard 115HP F115LB 2017Outboard 2.5HP F2.5LMHB 2018Outboard 115HP F115LB 2019Outboard 150HP VF150XA 2017Outboard 25HP F25SWHC 2019 Outboard 300HP F300UCA 2016Outboard 20HP F20SEHA 2020Outboard 25HP F25LEHB 2017Outboard 150HP F150XB2 2021 Outboard 20HP F20SMHB 2019Outboard 25HP F25LMHB 2018Outboard 150HP F150LB 2019Outboard 250HP F250XCA 2019Outboard 4HP F4MLHC 2004Outboard 2.5 HP F2.5MSHC 2004Outboard 4HP F4MLHA 2002Outboard 4HP F4MSHA 2002Outboard 4HP F4MSHC 2004Outboard 4HP F4MLHB 2003Outboard 4HP F4MSHZ 2001 Please note that this is not an exhaustive list. Consult your owner’s manual, specifically the model’s parts diagram to confirm the required lower drive case oil drain gaskets. Review: Yamaha F60TLR lower unit drain plug and fill plug gasket - Fit good and shipped fast Review: Replacement gasket/washers for outboard leg servicing - worked very well in the servicing of the outboard leg ## Features - EXACT REPLACEMENT FOR YAMAHA 90430-08020-00 & 90430-08003-00 - These gaskets are an exact replacement for Yamaha part number 90430-08020-00. Alternative part numbers include 90430-08003-00, 90430-08003, 90430-08801-00, and 604-45342-00-00 (superseded by 90430-08003-00). These part numbers have the same specifications and make, having a 5/16 inch (8mm) interior diameter. - LOWER GEARCASE OIL DRAIN GASKETS - Sometimes changing lower unit oil several times per season also means changing gaskets - or losing them. Don’t let leaks stop you. Always have several lower unit gaskets on hand. Our 20-pack lower gear case oil drain plug gaskets will have your back. - JAPANESE HARD FIBERBOARD GASKETS - Made from hard and watertight materials, these black fiber gaskets are hard yet lightweight. They are durable and compresses at the same rate as OEM gaskets, creating the perfect seal. Similar to other fiber gaskets, these gaskets are also resistant to oils, preventing oil leaks that will eventually cause the entry of water. - FITS FOR YAMAHA 4-STROKE OUTBOARD MOTORS - These gaskets are almost universally compatible with Yamaha’s 4-stroke outboard motor models, but they’re also compatible with several older models and other parts of the motor. Compatible with Yamaha models include Outboard 150HP F150LCA 2019 and Outboard 175HP F175XCA 2020. - RELIABLE AFTERMARKET REPLACEMENT PARTS BY TONGASS - Our line of aftermarket replacement parts meets and even exceeds OEM specifications for quality and durability. You can count on our reliable aftermarket replacement lower unit gaskets to provide an excellent seal for longer. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09RF4FZXM | | Brand | TonGass | | Brand Name | TonGass | | Color | Black | | Colour | Black | | Customer Reviews | 4.6 out of 5 stars 222 Reviews | | Item Shape | Round | | Item Thickness | 0.06 Inches | | Item thickness | 0.06 Inches | | Manufacturer | TonGass | | Material | Fiberboard | | Material Type | Fiberboard | | Model | 20pk-Black | | Part Number | sealgasketyachttank20pk | | Shape | Round | | UPC | 704260322772 | ## Product Details - **Brand:** TonGass - **Colour:** Multicolored - **Manufacturer:** TonGass - **Material:** Fiberboard - **Shape:** Round ## Images ![TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors - Image 1](https://m.media-amazon.com/images/I/71jfzyD8KQL.jpg) ![TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors - Image 2](https://m.media-amazon.com/images/I/61g0fRueTzL.jpg) ![TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors - Image 3](https://m.media-amazon.com/images/I/71bkeFhm3eL.jpg) ![TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors - Image 4](https://m.media-amazon.com/images/I/71E+xwUfU2L.jpg) ![TonGass (20-Pack, Black) Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00, Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors - Image 5](https://m.media-amazon.com/images/I/712BZihFIcL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Yamaha F60TLR lower unit drain plug and fill plug gasket *by A***R on 11 February 2026* Fit good and shipped fast ### ⭐⭐⭐⭐⭐ Replacement gasket/washers for outboard leg servicing *by T***O on 2 December 2025* worked very well in the servicing of the outboard leg ### ⭐⭐⭐⭐⭐ No leaks! *by 9***L on 17 January 2026* Works perfectly for my 2015 Yamaha 200hps lowers. No leak --- ## 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.tn/products/588174963-tongass-20-pack-black-exact-replacement-for-yamaha-90430-08020](https://www.desertcart.tn/products/588174963-tongass-20-pack-black-exact-replacement-for-yamaha-90430-08020) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-11*