--- product_id: 57675816 title: "Quicksilver 43300A9 Oil Tank Reservoir Cap Assembly for Select Mercury and Mariner 2-Cycle 135-250 Hp Outboards" brand: "quicksilver" price: "€ 122.05" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.pt/products/57675816-quicksilver-43300a9-oil-tank-reservoir-cap-assembly-for-select-mercury store_origin: PT region: Portugal --- # Integrated float & sender OEM-spec precision fit Compatible with 135-250hp 2-cycle outboards Quicksilver 43300A9 Oil Tank Reservoir Cap Assembly for Select Mercury and Mariner 2-Cycle 135-250 Hp Outboards **Brand:** quicksilver **Price:** € 122.05 **Availability:** ✅ In Stock ## Summary > 🛠️ Upgrade your outboard’s heart with precision and power! ## Quick Answers - **What is this?** Quicksilver 43300A9 Oil Tank Reservoir Cap Assembly for Select Mercury and Mariner 2-Cycle 135-250 Hp Outboards by quicksilver - **How much does it cost?** € 122.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/57675816-quicksilver-43300a9-oil-tank-reservoir-cap-assembly-for-select-mercury) ## Best For - quicksilver enthusiasts ## Why This Product - Trusted quicksilver brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Marine Legacy:** Backed by Quicksilver’s 65+ years of marine innovation and rigorous quality testing for unmatched durability. - • **All-in-One Cap Assembly:** Includes cap, float, sender, and wiring harness for seamless installation and reliable oil level monitoring. - • **Exclusive Oil Compatibility:** Designed exclusively for Mercury/Quicksilver 2-cycle oil to maximize engine longevity and power. - • **Lightweight & Compact Design:** At just 2.08 ounces and compact dimensions, it fits perfectly without adding bulk or weight. - • **Engineered for Peak Performance:** Meets Mercury Marine OEM specs to ensure flawless compatibility and optimal engine efficiency. ## Overview The Quicksilver 43300A9 Oil Tank Reservoir Cap Assembly is a precision-engineered replacement part designed for select 135-250hp Mercury and Mariner 2-cycle outboards. It includes the cap, float, sender, and wiring harness, ensuring accurate oil level monitoring and seamless integration. Manufactured to meet strict Mercury Marine OEM standards, it guarantees optimal engine performance and longevity when used with Mercury/Quicksilver 2-cycle oil. Lightweight and compact, this assembly is a trusted choice backed by over 65 years of marine industry expertise. ## Description Oil tank reservoir cap assembly 43300A9 is for select 135-250hp Mercury and Mariner 2-cycle outboards. The 2-cycle oil reservoir tank cap assembly includes the cap, float, sender and wiring harness. Use only Mercury/Quicksilver 2-cycle oil in your Mercury or Mariner outboard. See your owner's manual or service manual for more information. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind. ## Features - For select 135 -250hp Mercury and Mariner 2-cycle outboards - The 2-cycle oil reservoir tank cap assembly includes the cap, float, sender and wiring harness - Use only Mercury/Quicksilver 2-cycle oil in your Mercury or Mariner outboard - Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive ## Technical Specifications | Specification | Value | |---------------|-------| | Item Package Dimensions L x W x H | 9.41 x 6.18 x 3.19 inches | | Package Weight | 0.06 Kilograms | | Item Dimensions LxWxH | 5.25 x 5 x 2 inches | | Item Weight | 2.08 ounces | | Brand Name | Quicksilver | | Model Name | Oil Tank Reservoir Cap Assembly 43300A9 | | Color | Unspecified | | Material | Various Materials | | Suggested Users | Boat Engine Parts and Accessories | | Number of Items | 1 | | Manufacturer | Quicksilver | | Part Number | 43300A9 | | Style | Modern | | Included Components | End Product & Information | | Size | Unspecified | | Fishing Technique | Spinning, Casting | ## Images ![Quicksilver 43300A9 Oil Tank Reservoir Cap Assembly for Select Mercury and Mariner 2-Cycle 135-250 Hp Outboards - Image 1](https://m.media-amazon.com/images/I/61QiDleZwBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars easy to install and solved the problem *by A***R on Reviewed in the United States on August 18, 2017* it was exactly as need and was shipped quickly. easy to install and solved the problem ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Five Stars *by A***O on Reviewed in the United States on January 27, 2018* Perfect fit. Easy to install. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Work like the pen cap *by N***Y on Reviewed in the United States on August 9, 2018* Replaced old cracked cap and this works perfectly. --- ## 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.pt/products/57675816-quicksilver-43300a9-oil-tank-reservoir-cap-assembly-for-select-mercury](https://www.desertcart.pt/products/57675816-quicksilver-43300a9-oil-tank-reservoir-cap-assembly-for-select-mercury) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-26*