--- product_id: 529541526 title: "TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00" brand: "tongass" price: "$20.64" currency: USD in_stock: true category: "Ton Gass" url: https://www.desertcart.us/products/529541526-tongass-exact-replacement-for-yamaha-90430-08020-00-and-90430 store_origin: US region: United States of America --- # 20-pack ensures you never run out of essential gaskets Exact OEM fit for Yamaha 90430-08020-00 & 90430-08003-00 Durable Japanese hard fiberboard resists oil & water leaks TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 **Brand:** tongass **Price:** $20.64 **Availability:** ✅ In Stock ## Summary > ⚓ Seal the deal with TonGass – never let a leak slow your adventure! ## Quick Answers - **What is this?** TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 by tongass - **How much does it cost?** $20.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/529541526-tongass-exact-replacement-for-yamaha-90430-08020-00-and-90430) ## 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—always be ready for seasonal maintenance or unexpected leaks. - • **Precision OEM Compatibility:** Seamlessly replaces Yamaha part numbers for flawless fit and function. - • **Premium Japanese Fiberboard:** Engineered for durability and perfect compression to prevent costly oil leaks. - • **Trusted Aftermarket Quality:** Exceeds OEM specs for reliability, giving your boat engine the seal of confidence it deserves. - • **Universal Yamaha 4-Stroke Fit:** Compatible with a wide range of Yamaha 4-stroke outboard motors, including latest 150HP and 175HP models. ## Overview TonGass offers a 20-pack of exact replacement lower gear case oil drain gaskets engineered to fit Yamaha 90430-08020-00 & 90430-08003-00 part numbers. Made from durable Japanese hard fiberboard, these gaskets provide a reliable, oil-resistant seal compatible with Yamaha 4-stroke outboard motors, ensuring leak-free performance and hassle-free maintenance. ## Description Buy TonGass 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: Gaskets - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 | | Best Sellers Rank | #39,065 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #57 in Boat Engine Parts | | Brand | TonGass | | Brand Name | TonGass | | Color | Black | | Customer Reviews | 4.6 out of 5 stars 390 Reviews | | Item Highlight | Lower Gear Case Oil Drain Gaskets, Japanese Hard Fiberboard Gaskets Fits for Yamaha 4-Stroke Outboard Motors | | Item Shape | Round | | Item Thickness | 0.06 inches | | Manufacturer | TonGass | | Material | Fiberboard | | Material Type | Fiberboard | | Model | 20pk-Black | | Number of Items | 20 | | Part Number | sealgasketyachttank20pk | | Shape | Round | | UPC | 704260322772 | ## Product Details - **Brand:** TonGass - **Color:** Black - **Item Thickness:** 0.06 inches - **Material:** Fiberboard - **Shape:** Round ## Images ![TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 - Image 1](https://m.media-amazon.com/images/I/71jfzyD8KQL.jpg) ![TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 - Image 2](https://m.media-amazon.com/images/I/61g0fRueTzL.jpg) ![TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 - Image 3](https://m.media-amazon.com/images/I/71bkeFhm3eL.jpg) ![TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 - Image 4](https://m.media-amazon.com/images/I/71E+xwUfU2L.jpg) ![TonGass Exact Replacement for Yamaha 90430-08020-00 & 90430-08003-00 - Image 5](https://m.media-amazon.com/images/I/712BZihFIcL.jpg) ## Available Options This product comes in different **Model** options. --- ## 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.us/products/529541526-tongass-exact-replacement-for-yamaha-90430-08020-00-and-90430](https://www.desertcart.us/products/529541526-tongass-exact-replacement-for-yamaha-90430-08020-00-and-90430) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-07*