×
WATER SEPARATING FUEL FILTER
Fits all QSD 2.0, 2.8, & 4.2 engines
*This is a genuine Mercury Marine part.
Mercury Certified Engineers On Call.
Click 'Get a Quote' for instant support.
*For other parts inventory, please download the attached list for reference.
Mercury Marine is a globally recognized marine propulsion brand headquartered in the United States, with a history spanning more than 80 years. As one of the most influential names in the marine industry, Mercury has built its reputation through continuous innovation, engineering excellence, and a strong commitment to product reliability.
From recreational boating to commercial and professional marine applications, Mercury designs and manufactures engines and related systems that are tested under demanding real-world conditions. Each product is developed to meet strict performance and durability standards, ensuring stable operation in diverse marine environments. Through long-term investment in research and development, Mercury continues to refine its technologies to improve efficiency, safety, and user experience.
Today, Mercury Marine products are widely used across global markets and supported by an extensive network of authorized distributors and service providers. This global presence ensures that customers receive consistent product quality, technical support, and after-sales service throughout the entire lifecycle of their equipment.
Choosing genuine Mercury parts is essential for maintaining the performance, reliability, and safety of a marine propulsion system. Original parts are engineered in accordance with Mercury’s technical specifications, ensuring precise compatibility with the engine and related onboard systems.
In marine environments, even minor differences in component design or tolerance can lead to accelerated wear, reduced efficiency, or unpredictable system behavior. Genuine Mercury parts help minimize these risks by maintaining consistent quality standards and reliable performance characteristics. They are designed to integrate seamlessly with Mercury engines, supporting stable operation under a wide range of conditions.
In addition to performance benefits, using original parts supports long-term system protection. Properly matched components help reduce unnecessary stress on critical systems, simplify maintenance procedures, and contribute to extended service life. This approach provides users with greater confidence during daily operation while also helping preserve the overall value of their equipment.
As an authorized first-tier Mercury distributor in China, we provide customers with direct access to genuine Mercury products and reliable professional support. With 28 years of experience in the marine industry, we have developed extensive expertise in Mercury systems as well as a deep understanding of local market requirements.
Our long-standing partnership with Mercury allows us to ensure stable product supply, accurate technical information, and compliance with official brand standards. Over nearly three decades, we have served customers across recreational, commercial, and professional sectors, building strong relationships based on trust, consistency, and service quality.
By purchasing through us, customers benefit not only from authentic products, but also from professional consultation, dependable logistics, and long-term after-sales support. We are committed to providing a complete purchasing and ownership experience that aligns with Mercury’s global standards.
We are supported by a team of Mercury-certified technical engineers who have received official training and certification from Mercury Marine. All installation, maintenance, and after-sales services are provided strictly in accordance with Mercury’s official technical requirements and service guidelines.
Our technical team follows standardized service procedures to ensure accurate diagnostics, proper installation, and reliable maintenance support. This professional approach helps maintain system integrity, reduce operational risks, and ensure consistent performance throughout the service lifecycle.
By delivering after-sales service that aligns with Mercury’s global standards, we help customers maintain long-term confidence in their equipment. From technical consultation to ongoing maintenance support, our goal is to provide professional, transparent, and dependable service throughout the entire ownership experience.
Q: What is the minimum order quantity (MOQ) and lead time for international orders?
A: MOQ: Flexible, from single units to bulk orders. Lead time: In-stock parts ship within 24H (excluding holidays).
Q: Are your Mercury Marine parts genuine?
A: Yes. All parts are 100% authentic Mercury Marine components, with original packaging, anti-counterfeit labels, and traceable part numbers.
Q: How can I confirm if a part is compatible with my engine?
A: Provide the engine’s serial/model number from the nameplate. Our technical engineers will verify compatibility for you.
EN
Fits all QSD 2.0, 2.8, & 4.2 engines
This product range includes multiple filter models engineered for different flow rates, water-holding capacities, and system pressure requirements. Each unit combines specialized filter media with precision-designed housing to achieve efficient water separation and high particulate filtration efficiency. Correct selection based on engine fuel consumption, environmental conditions, and applicable marine standards is essential for reliable water removal and system protection.
Manufactured with corrosion-resistant housings, transparent water collection bowls, and tamper-proof drain valves, these filters are built to withstand harsh marine conditions. The multi-stage filtration process ensures maximum water separation while maintaining low flow restriction for consistent fuel delivery.
Regular maintenance of water separating fuel filters helps prevent fuel system corrosion, reduce filter clogging, and extend the service life of sensitive fuel components. Whether used for new installations, system upgrades, or routine servicing, this product range provides comprehensive solutions for ensuring fuel purity, operational reliability, and long-term engine protection in marine applications.