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 ZF 3313116002 is an SAE 3 housing adapter designed for ZF 80A, 80IV, 85A, and 85IV marine transmissions. Manufactured in Italy from corrosion-resistant alloys, it ensures precise engine-to-transmission alignment and reliable power transfer. Weighs 23 lbs, supports up to 5000 RPM, and installs easily in demanding marine environments.
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$ 557.42
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1-2 weeks delivery time ZF 3313199020 is a complete gasket, seal, and piston ring set for ZF80A marine gearboxes. Made from high-performance nitrile rubber and corrosion-resistant metals, it ensures tight sealing under up to 500 bar pressure and temperatures from –40 °C to +150 °C. Weight: 0.85 kg. Ideal for overhauls and leak prevention in saltwater marine environments.
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$ 318.53
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1-2 weeks delivery time ZF 3313304007 is a corrosion-resistant output flange for marine and industrial power transmission systems. Precision-machined from steel alloy with Ø150 mm outer and Ø100 mm inner diameter, it supports up to 400 bar and –40 °C to +120 °C temperatures. Bolt-on design ensures secure, high-torque connection and minimal downtime.
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$ 240.22
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1-2 weeks delivery time ZF 3313316016 is a high-inertia Centa CF-R torsional coupling for ZF 63/68A/IV, 80A/IV, and 85A/IV gearboxes. It supports 0.25–15 kNm torque, operates from –45°C to +130°C, and features CENTALAN/HD elastomers. Designed for marine and industrial drives, it reduces vibration, enhances load distribution, and prolongs system life.
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$ 1,944.79
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ZF 3315110005 – Yanmar ZF Control Cable Bracket Kit (Vertical, Stainless Steel, for ZF 80/85 Series)
1-2 weeks delivery time The ZF 3315110005 is a vertical stainless steel control cable bracket kit designed for ZF 80A, 80IV, 85A, and 85IV marine transmissions. Dimensions: 8.2″ × 4.5″ × 5.7″. Weight: 3.2 lbs. Resistant to saltwater and vibration, this bracket ensures stable, corrosion-free cable mounting in harsh marine conditions. Supplied with mounting hardware.
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$ 91.34
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1-2 weeks delivery time The ZF 3315199008 Trolling Valve Kit is a retrofit control solution for ZF25 marine transmissions. Designed for smooth low-RPM maneuvering (500–1200 RPM), it includes a precision trolling valve, hoses, brackets, and mounting hardware. Built from corrosion-resistant materials with a 150 psi pressure rating, it ensures quieter operation, fuel efficiency, and reduced engine strain during trolling, docking, and tight navigation.
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$ 3,092.34
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1-2 weeks delivery time The ZF 3320199003 Seal & Clutch Kit is a full-service maintenance and rebuild solution for ZF30M marine gearboxes. It includes 12 inner and 10 outer wet clutch discs, sealing rings, shims (0.10–0.50 mm), gaskets, and thrust washers. Made from marine-grade Viton, nitrile rubber, and stainless steel, this corrosion-resistant kit supports temperatures from –40 °C to +82 °C, pressure-rated to 13.8 bar. Ideal for extending gearbox life and ensuring reliable sealing and smooth clutch engagement.
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$ 1,627.12
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1-2 weeks delivery time The ZF 500438 Kit is a complete OEM clutch, gasket, and seal set for ZF12M, ZF15M, ZF15MA, HBW125, HBW150, and HBW150A marine gearboxes. Includes 8 inner and 8 outer clutch discs, shaft seals, gaskets, O-rings, thrust washers, and 9 shims (0.10–0.50 mm) for full rebuilds. Made from corrosion-resistant elastomers and hardened steel for marine durability. Ensures tight sealing, smooth clutch function, and extended gearbox life.
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$ 880.72
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1-2 weeks delivery time The ZF 501212459 transmission oil filter ensures clean lubrication in ZF marine gearboxes by capturing particles ≥5 μm. Designed for models like ZF12M, ZF15M, HBW125, and HBW150, it maintains proper oil flow and pressure. Made with corrosion-resistant media and seals, it supports flow rates up to 10 L/min and operates reliably in -30°C to +100°C. A vital component for reducing wear and ensuring transmission longevity.
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$ 116.37
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1-2 weeks delivery time The ZF 501219824 hydraulic oil filter offers 99.9% filtration efficiency at 10 microns, protecting hydraulic pumps and valves from contamination. Built with a stainless steel mesh and aluminum housing, it handles up to 350 psi and 60 L/min flow. Suitable for marine and industrial systems like ZF 63A, 80A, 85A. Operating temperature: –40 °C to +82 °C. Service life: up to 500 hours.
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$ 287.67
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1-2 weeks delivery time The ZF 501336515 thrust washer is engineered for the ZF5M HBW50 marine gearbox, featuring high-strength, corrosion-resistant steel. It reduces friction and distributes loads evenly to prevent wear and ensure smooth shifting. With precise dimensions (ID 57.15 mm, OD 82.55 mm, thickness 6.35 mm) and a hardness rating of 45–55 HRC, it supports loads up to 2500 N. Designed for harsh marine environments and compatible with standard marine lubricants.
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$ 25.48
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1-2 weeks delivery time High-strength stainless steel washer Ø45 mm x 30 mm x 2 mm designed for ZF marine gearboxes like ZF63, ZF68, and ZF80. Ensures stable load distribution, prevents fluid leaks, and withstands pressures up to 30 bar and temperatures from –40 °C to +200 °C. Corrosion- and vibration-resistant for long-lasting gearbox performance in harsh marine environments.
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$ 1.07
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1-2 weeks delivery time Radial oil seal Ø60 × 80 × 12 mm made from NBR or FKM for ZF marine engines and gearboxes. Handles pressures up to 30 bar and temperatures from –40 °C to +150 °C. Protects against oil leaks, contamination, and mechanical wear in high-speed (up to 3000 RPM) marine systems. Ideal for demanding environments with water, oil, and UV exposure.
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$ 195.91
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1-2 weeks delivery time High-performance O-Ring Ø80 × 90 × 10 mm made of Nitrile Rubber (Buna-N) for ZF marine transmissions. Rated for –40 °C to +120 °C and up to 20 bar, it provides reliable sealing against oil, fuel, and saltwater. Ensures leak-free operation and protects gearbox components in ZF 63A, 63C, and similar systems.
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$ 7.17
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1-2 weeks delivery time ZF 634303505 – O-Ring is a high-performance sealing component Ø60 × 70 × 5 mm made from NBR or FKM, suitable for marine engines, gearboxes, and hydraulic systems. Rated for –40 °C to +200 °C and pressures up to 100 bar, it offers reliable, long-lasting sealing under demanding conditions.
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$ 9.82
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1-2 weeks delivery time ZF 634304405 – Screw-In Dipstick O-Ring is a precision sealing ring (Ø18 × 28 × 3 mm) made of NBR or FKM, designed for high-pressure (up to 60 bar) and high-temperature (–40 °C to +150 °C) marine and industrial applications. It ensures a leak-free seal in screw-in dipstick systems, resisting oils, fuels, water, UV, and chemicals while offering long service life and minimal maintenance.
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$ 2.65
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1-2 weeks delivery time ZF 634306328 – O‑Ring 38×4 mm is a precision sealing ring made of NBR (70 Shore A) for ZF marine transmissions. With a 38 mm inner diameter and 4 mm thickness, it resists oils, fuels, saltwater, and temperatures from –40 °C to +120 °C. Designed for up to 30 bar pressure, it ensures leak-free performance in harsh marine environments.
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$ 7.17
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1-2 weeks delivery time ZF 634309619 – Shaft Seal Ring HSW800V is a dynamic shaft seal with 80 mm ID, 100 mm OD, and 10 mm thickness, made of NBR or FKM for marine and industrial use. It resists oils, fuels, chemicals, and saltwater, withstanding pressures up to 60 bar and temperatures from –40 °C to +150 °C. Ideal for gearboxes, transmissions, and hydraulic systems, it ensures leak-free, long-term operation under extreme conditions.
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$ 110.43
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1-2 weeks delivery time ZF 634309621 – Seal Ring with 50 mm inner and 65 mm outer diameter (6 mm thickness) is made of synthetic rubber (NBR), resistant to oils, hydraulic fluids, and petroleum-based liquids. Operating in –40 °C to +150 °C and rated up to 3.0 MPa (435 psi), it ensures a reliable fluid seal in marine engines, pumps, gearboxes, and hydraulic systems under demanding conditions.
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$ 19.91
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1-2 weeks delivery time ZF 634309631 Shaft Seal with dimensions Ø50 × Ø68 × 10 mm is made of durable NBR (Nitrile Butadiene Rubber), providing excellent sealing performance against oils, lubricants, and saltwater. Designed for rotating shafts in marine transmission systems, it operates reliably within –30°C to +120°C and up to 20 bar (290 psi), ensuring leak prevention, reduced maintenance, and extended component life in demanding marine environments.
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$ 110.69
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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.