--- product_id: 120912805 title: "SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor" brand: "southmarine" price: "$118.08" currency: USD in_stock: true reviews_count: 2 category: "South Marine" url: https://www.desertcart.us/products/120912805-southmarine-boat-engine-3303-803687a04-803687t04-803687a3-803687t03-803687a2-803687t02 store_origin: US region: United States of America --- # Optimized 2-stroke fuel flow Precision OEM fit Compatible with 6-9.8HP outboards SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor **Brand:** southmarine **Price:** $118.08 **Availability:** ✅ In Stock ## Summary > ⚓ Upgrade your outboard, fuel your freedom! ## Quick Answers - **What is this?** SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor by southmarine - **How much does it cost?** $118.08 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/120912805-southmarine-boat-engine-3303-803687a04-803687t04-803687a3-803687t03-803687a2-803687t02) ## Best For - southmarine enthusiasts ## Why This Product - Trusted southmarine brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Mariners:** Highly rated with 4.1 stars, ensuring reliability for your next voyage. - • **Versatile Power Range:** Supports 6HP, 8HP, and 9.8HP 2-stroke outboard motors for flexible boating adventures. - • **Precision Fuel Delivery:** Engineered for optimal gasoline flow, boosting performance and efficiency on the water. - • **Seamless OEM Replacement:** Direct swap for multiple Mercury Mariner carburetor models, no guesswork needed. - • **Lightweight Aluminum Build:** Durable yet featherlight at just 0.48 kg, enhancing engine responsiveness. ## Overview The SouthMarine Boat Engine Carburetor Assembly is a precision-engineered aluminum replacement part compatible with Mercury Mariner 6HP to 9.8HP 2-stroke outboard motors. Designed for direct OEM fit, it ensures optimal fuel delivery and reliable performance, making it a trusted choice for boating enthusiasts seeking seamless engine upgrades. ## Description Product description Engine Position: Outboard Replaces Carburetor Assembly Part OEM Number#: 3303-803687A04 3303-803687A3 3303-803687A2 3303-803687T04 3303-803687T03 3303-803687T02 If you are unsure, please provide your engine serial number. Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us. Engine: 2-stroke 6HP 8HP 9.8HP Replaces Carburetor Assembly Part OEM Number# 3303-803687A04 3303-803687A3 3303-803687A2 3303-803687T04 3303-803687T03 3303-803687T02 Review: Quality - Just as described Review: It's a straight forward swap.. - You'll be glad you did this.. ## Features - Engine Position: Outboard - Replaces Carburetor Assembly Part OEM Number#: 3303-803687A04 3303-803687A3 3303-803687A2 3303-803687T04 3303-803687T03 3303-803687T02 - If you are unsure, please provide your engine serial number. - Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07LGZ6F6X | | Best Sellers Rank | #902,385 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,878 in Outboard Boat Motors | | Brand | SouthMarine | | Brand Name | SouthMarine | | Color | Silver | | Customer Reviews | 4.1 out of 5 stars 4 Reviews | | Engine Type | 2 Stroke | | Fuel Type | Gasoline | | Item Weight | 0.48 Kilograms | | Manufacturer | SouthMarine | | Manufacturer Part Number | MC-CA-803687A1 | | Material | Aluminum | | Material Type | Aluminum | | Maximum Horsepower | 9.8 Horsepower | | Mounting Type | Transom Mount | | Recommended Uses For Product | For Mariners | ## Images ![SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor - Image 1](https://m.media-amazon.com/images/I/61w5g8-jnnL.jpg) ![SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor - Image 2](https://m.media-amazon.com/images/I/61h+ZLdl0VL.jpg) ![SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor - Image 3](https://m.media-amazon.com/images/I/71sQgbLeywL.jpg) ![SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor - Image 4](https://m.media-amazon.com/images/I/71hs82-zP5L.jpg) ![SouthMarine Boat Engine 3303-803687A04 803687T04 803687A3 803687T03 803687A2 803687T02 Carburetor Assy for Mercury Mariner 6HP 8HP 9.8HP 2-Stroke Outboard Motor - Image 5](https://m.media-amazon.com/images/I/71AWDrIdh5L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality *by G***R on August 14, 2025* Just as described ### ⭐⭐⭐⭐⭐ It's a straight forward swap.. *by W***E on August 3, 2023* You'll be glad you did this.. --- ## 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/120912805-southmarine-boat-engine-3303-803687a04-803687t04-803687a3-803687t03-803687a2-803687t02](https://www.desertcart.us/products/120912805-southmarine-boat-engine-3303-803687a04-803687t04-803687a3-803687t03-803687a2-803687t02) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-18*