ZF Marine Transmissions are renowned for their reliability and performance in the maritime industry. These transmissions, including the popular ZF 25A and ZF Hurth Marine models, play a vital role in various boat types. ZF Marine gearboxes ensure smooth power transfer from the engine to the propeller, contributing to a seamless and efficient boating experience. Whether for propulsion or maneuvering, ZF Marine transmissions are trusted by boat owners and operators worldwide for their durability and precision.
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1-2 weeks delivery time The ZF 9473202402 is a corrosion-resistant outer disc made of high-strength steel, sized 200 mm × 10 mm for marine and industrial systems. Operating from −20°C to 120°C and rated up to 600 bar, it ensures stable load distribution, reduced wear, and long-term reliability in harsh environments, fully compatible with ZF transmissions.
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1-2 weeks delivery time The ZF 9474201701 is a corrosion-resistant inner disc made from high-strength steel alloys, sized 250×150×8 mm with a 5000 Nm dynamic load rating for ZF marine transmissions. Designed for −40°C to 120°C operation, it ensures smooth clutch engagement, reduced wear, and long-term reliability in high-torque marine environments.
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1-2 weeks delivery time The ZF 9475701901 Inner Clutch Disc is a 190×120×10 mm high-strength steel and composite component engineered for ZF marine and industrial transmissions. Designed for up to 5000 N static load and 250 Bar pressure, it provides reliable high-torque power transfer with a corrosion-resistant coating and a high-friction composite surface for reduced wear and smoother clutch engagement.
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1-2 weeks delivery time The ZF Art10014374 Repair Kit is a complete service set for restoring ZF marine transmissions and mechanical systems. Made from corrosion-resistant materials and designed for −40°C to 150°C operation, it includes all essential components for fast, reliable repairs. Easy to install with standard tools, the kit minimizes downtime and provides a cost-efficient alternative to full component replacement.
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1-2 weeks delivery time The ZF 631501062 Key is a high-strength steel shaft key (55×10×7 mm) with 55 HRC hardness and a corrosion-resistant coating, designed for secure torque transfer up to 300 Nm. Precision-machined to DIN 6885/1, it ensures reliable shaft–coupling engagement in ZF 280/500/600 series transmissions. Suitable for −20°C to +120°C operation, it provides long service life with minimal maintenance in marine and industrial environments.
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$ 6.13
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1-2 weeks delivery time The ZF 634303118 O-Ring is a high-performance elastomer seal (Ø120×5 mm) designed for hydraulic and pneumatic systems, rated for −40°C to 150°C and pressures up to 30 MPa. Its wear- and chemical-resistant formulation ensures a leak-proof seal in marine, industrial and high-pressure equipment, delivering long service life, UV stability and reliable operation in harsh environments.
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$ 3.98
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1-2 weeks delivery time The ZF 3306304028 Transmission Disc is a heat-treated high-carbon steel plate (Ø130×6 mm) for ZF marine gearboxes, offering 55–60 HRC hardness, 2500 N load capacity, and up to 5000 RPM operation. Its corrosion-resistant coating ensures stable engagement and reduced slippage in harsh marine environments, providing long service life for ZF 63A, 220, 280 series transmissions.
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$ 7.97
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1-2 weeks delivery time The ZF 501336548 Passport Slips are hardened steel components (Ø45×120 mm) with corrosion-resistant coating, rated for 2500 N load and 150 bar system pressure. Designed for marine and industrial units, they feature low-vibration operation, long service life up to 5000 hours, and reliable performance across −40°C to +120°C. Suitable for multi-outlet and high-pressure assemblies.
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$ 129.80
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1-2 weeks delivery time The ZF 634349951 O-Ring is a high-performance elastomer seal (Ø50×60×6 mm) designed for marine and industrial high-pressure systems. Available in NBR or FKM, it withstands −40°C to +230°C (NBR) and up to +250°C (FKM), with pressure capability up to 300 bar. Resistant to oils, fuels, chemicals, UV, and thermal cycling, it provides long-term leak prevention and low compression set for ZF transmissions, pumps, valves, and hydraulic circuits.
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1-2 weeks delivery time The ZF 3312108048 Control Block Electric Switch is a 12V IP67-rated transmission control unit with an integrated trolling valve for precise low-speed operation. It supports −40°C to +85°C environments, draws only 2 A, and is rated for over 500,000 cycles. Designed for ZF marine transmissions, it ensures reliable on/off control, corrosion resistance, and stable performance in recreational and commercial vessels.
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$ 2,812.30
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1-2 weeks delivery time The ZF 3312108049 Control Block Electric Switch is a 24V IP65-rated on/off transmission control module with an integrated trolling valve for precise low-speed maneuvering. Designed for 5–30 bar systems, it operates from −40°C to +85°C, draws 2 A, and delivers up to 5000 hours of service life. Its corrosion-resistant construction ensures stable performance in marine and industrial environments.
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$ 2,812.30
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1-2 weeks delivery time The ZF 634303479 O-Ring is a high-pressure sealing element for ZF marine and hydraulic systems, made from NBR or FKM for temperatures −40°C to +250°C and pressures up to 300 bar. It provides oil, fuel, chemical, and UV resistance with low compression set for long-term leak-free operation in pumps, valves, fuel lines, and transmission circuits.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time The ZF 634303663 O-Ring is a marine-grade NBR/FKM seal for ZF transmissions, rated for 15 bar and temperatures −40°C to +120°C. With a 50×40×5 mm profile and 70 Shore A hardness, it provides abrasion-resistant, leak-proof sealing in gearboxes and pumps for ZF 63A, ZF 220, ZF 280 and similar systems.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time The ZF 3315107010 Oil Cooler Kit is a corrosion-resistant aluminum/stainless-steel assembly for Yanmar engines, supporting 20–30 L/min oil flow and stabilizing oil temperatures between 90–120 °C. With IP67 protection, 3–5 bar operating pressure and easy installation, it prevents overheating and ensures reliable performance in marine and industrial systems.
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$ 1,065.07
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1-2 weeks delivery time The ZF 3315116005 Flange Bell is a high-strength, corrosion-resistant connector for Yanmar JH-series “E” engines, ensuring precise engine-to-transmission alignment. Designed for harsh marine conditions, it maintains smooth power transfer, prevents misalignment failures, and provides a secure, long-life interface with easy installation.
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$ 844.09
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1-2 weeks delivery time The ZF 3207199006 Repair Kit is an NPTF maintenance set for ZF 280 marine transmissions without PTO and oil cooler. Includes seals, gaskets, and O-rings made from corrosion-resistant materials. Rated for 10 bar operation and standard system flow, the kit restores sealing performance, prevents leaks, and ensures reliable transmission operation in marine environments.
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$ 189.78
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1-2 weeks delivery time The ZF 3311302036 Spacer is a corrosion-resistant alignment component for ZF 280, 280A, and 280IV marine transmissions. Made from high-strength materials, it maintains precise coupling spacing, reduces vibration, and minimizes mechanical stress. Rated for 30 bar and temperatures from –40°C to +120°C, it ensures stable power transfer in harsh marine environments.
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$ 55.99
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In what types of marine vessels are ZF Marine Transmissions commonly found?
ZF 25A transmissions from ZF Marine are commonly used in a variety of marine vehicles, including sailboats, smaller pleasure craft, and some commercial vessels. These transmissions are known for their durability, making them suitable for both recreational and light-duty commercial applications. ZF 25A transmissions are often chosen for their reliability and efficient performance, making them a popular choice among boat owners and operators.
ZF 25A transmissions are designed to meet the diverse needs of marine vessels, with applications ranging from sailboats to smaller pleasure craft and even some commercial boats. These marine transmissions are equipped with advanced features like responsive control systems, ensuring smooth operation and optimized performance across a wide variety of marine environments. Whether it's for luxury yachts, fishing boats, or patrol vessels, ZF transmissions offer reliability, durability, and ease of maintenance, backed by a comprehensive warranty and expert support from authorized dealers like Seaboard Marine. With their innovative driveline technology and commitment to sustainability, ZF transmissions are a trusted choice for boat owners seeking clean and efficient propulsion solutions for their vessels.
What specific benefits do ZF Marine Propulsion Systems offer to boat efficiency operators?
ZF Marine gearboxes offer several specific benefits to boat operators. They are known for their robust construction and reliability, ensuring smooth and efficient power transmission in marine applications. Additionally, ZF Marine provides a range of gearbox spares and repair services, making it easier for operators to maintain and extend the lifespan of their marine transmissions, such as the popular ZF 25A and Hurth marine gearboxes. This comprehensive support contributes to the overall satisfaction and performance of boat operators using ZF Marine products.
ZF Marine gearboxes are designed to meet the diverse needs of boat operators, offering a wide portfolio of transmission options tailored to various vessel types and applications. Whether it's for superyachts, patrol boats, or fishing vessels, ZF transmissions provide intelligent solutions to optimize fuel consumption and horsepower delivery, ensuring clean and sustainable propulsion. With a comprehensive inventory of ZF marine gear series transmissions, operators can easily select the right gearbox to replace or upgrade their existing systems, supported by our expert customer service and maintenance expertise. From aluminum housings to electronic clutch systems, ZF transmissions offer a sophisticated blend of durability, efficiency, and ease of maintenance, making them the preferred choice for boat operators worldwide.
What maintenance and repair considerations are associated with ZF Marine Transmissions?
Maintenance and repair considerations for ZF Marine gearboxes are essential for ensuring their longevity and optimal performance. Regular maintenance, including fluid changes and inspections, is crucial to prevent wear and tear. In case of any issues, boat operators can rely on ZF gearbox spares and repair services to address and rectify problems promptly, whether it's related to the ZF 25A, Hurth marine gearboxes, or other ZF Marine transmissions. These measures help maintain the reliability and efficiency of ZF Marine gearboxes in various marine applications.
ZF transmissions are designed with durability and reliability in mind, but they still require careful attention to maintenance details. Boat operators should maintain a comprehensive list of service points, ensuring that regular checks and oil cooler inspections are performed to prevent overheating and bearing wear. Whether it's for a superyacht with high-performance demands or trolling applications requiring precise control, ZF transmissions offer availability and support through their network of service points and suppliers, ensuring smooth operation even in challenging conditions. Additionally, surface drives equipped with ZF transmissions benefit from the same level of expertise and service, contributing to their longevity and performance on the water.