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 3211306002 oil pump provides stable lubrication and circulation for ZF 325 marine transmissions, delivering a flow rate of 18–20 L/min and supporting pressures up to 50 bar. Built from corrosion-resistant alloys, it maintains consistent oil pressure and temperature control in harsh saltwater environments. Operating from -20°F to 180°F, the pump ensures reliable load-bearing performance, reduces friction, and supports long-term transmission durability with low maintenance.
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$ 1,001.05
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1-2 weeks delivery time The ZF 3213308019 oil filter provides 5-micron fine filtration for ZF 286, 286A, and 286IV gearboxes, maintaining clean oil flow up to 25 L/min under pressures to 10 bar. Built from corrosion-resistant steel with multi-layer media, it protects internal components from wear, stabilizes operating conditions, and supports long transmission life. Compact, durable, and simple to replace, the filter is essential for maintaining gearbox reliability in harsh marine environments.
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$ 161.92
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1-2 weeks delivery time The ZF 3214199501 seal kit provides complete sealing restoration for ZF 220, 280, 305, 325, and 380 marine transmissions. Made from heat-, pressure-, and corrosion-resistant elastomers, it withstands 50 bar and temperatures from –30°F to 230°F, preventing oil leaks and maintaining stable system pressure. Designed for harsh saltwater use, the kit ensures long-term transmission reliability with simple installation and minimal maintenance.
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$ 522.90
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1-2 weeks delivery time The ZF 3215116030 Bell Housing SAE1 provides a rigid SAE1 engine-to-transmission interface for the ZF 305-3 A, ensuring precise alignment and stable torque transfer. Made from corrosion-resistant cast alloy, it reduces vibration, improves drivetrain efficiency, and withstands harsh marine environments. Designed for bolt-on SAE1 mounting, it offers durable performance with minimal maintenance.
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$ 812.91
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1-2 weeks delivery time The ZF 3215207001 Oil Cooler for ZF 280-1A is an aluminum oil-to-water heat exchanger designed to maintain stable transmission temperature under load. With a 25 L/min oil flow capacity, M22×1.5 ports, and 10 bar max cooling-water pressure, it ensures efficient heat removal and protects the gearbox from overheating in saltwater and freshwater applications.
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$ 2,089.82
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1-2 weeks delivery time The ZF 3216199509 Repair Seal Kit provides temperature- and pressure-resistant synthetic rubber and elastomer seals (–20°F to 250°F, up to 200 psi) for ZF marine gearboxes. Designed to prevent oil leakage and maintain system pressure, the kit ensures reliable sealing in saltwater environments and supports long-term durability with simple, fast installation.
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$ 525.57
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1-2 weeks delivery time The ZF 3216199511 Clutch Kit is a replacement multi-disc wet clutch pack for ZF 360 / ZF 500 marine transmissions. Engineered for stable oil-immersed friction contact, it ensures low-slip engagement at 230 × 200 mm disc geometry (OD × ID) with a 25 mm pack thickness. Rated to handle up to ~3500 Nm transmission torque, the kit supports 24V electronic shift systems, works in –40°C to 120°C environment, and is built from marine-grade corrosion-resistant steel & composite friction layers for continuous duty cycles. Direct bolt-in fit, no machining or special tools required.
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$ 3,319.13
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1-2 weeks delivery time The ZF 3217093015 Transmission Repair Kit provides a full set of service components for rebuilding and sealing ZF marine and industrial gearboxes. The kit includes EPDM rubber seals, NBR O-rings, precision bearings, gaskets, washers, and wear-compensation elements to restore pressure stability and fluid integrity. Designed for demanding environments, it operates in a temperature range of -30°C to +100°C (-22°F to +212°F), with a maximum working pressure of 10 bar (145 psi). Total packaged weight is 3.0 kg (6.61 lbs), compact for mechanics use. Suitable for saltwater exposure, vibration stress zones, and continuous-load transmissions.
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$ 2,127.48
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1-2 weeks delivery time ZF 3217199504 is an OEM gasket and EB30 seal set for the ZF325-1A marine and industrial transmission. The kit restores full sealing integrity, stabilizes fluid pressure, and prevents oil and water ingress in harsh duty cycles. Designed for -30°C to +120°C (-22°F to +248°F) with high hydraulic pressure and compression endurance. Packed dimensions approx. 24 × 16 × 6 cm (9.4 × 6.3 × 2.4 in), weight approx. 0.55 kg (1.21 lbs). Includes multi-material sealing elements optimized for saltwater exposure, transmission oil, industrial fluids, and vibration-stress zones.
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$ 440.63
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1-2 weeks delivery time The ZF 3217199505 Cooler Maintenance & Seal Repair Kit is an OEM service set for the oil cooler circuit of ZF 280 marine/industrial gearboxes. The kit renews the sealing and junction group responsible for stable oil flow through the cooler, preventing pressure loss, oil leaks, and heat inefficiency. Engineered for high-stress systems with fluid pressure tolerance up to 300 PSI (20.7 bar) and continuous thermal operation in -20°F to 250°F (-29°C to 121°C). Kit weight approx. 1.2 kg (2.65 lbs); packed size approx. 27 × 18 × 7 cm (10.6 × 7.1 × 2.7 in) – compact for onboard storage and workshop use. Suitable for saltwater exposure, transmission oils, and vibration-stress oil-cooling points.
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$ 202.81
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1-2 weeks delivery time The ZF 3217201002 Oil Filter is an OEM full-flow filtration unit for marine and industrial ZF transmissions, capturing contaminants down to 10 microns with 99% filtration efficiency. Built with a corrosion-resistant steel housing, it ensures stable oil cleanliness and uninterrupted lubrication for gearbox cooler and pressure channels. Supports an oil flow rate 50 L/min (13.2 GPM), operating temperature -10°C to 110°C (14°F to 230°F), and max pressure 12 bar (174 PSI). Filter size: 160 mm length × 95 mm diameter (6.3 × 3.7 in); weight ~0.55 kg (1.21 lbs). Recommended service interval 500 operating hours for reliable pressure and thermal performance in marine duty cycles.
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$ 50.96
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1-2 weeks delivery time The ZF 3217301003 Pump Support & Oil Distribution Manifold is an OEM hydraulic oil distribution block that supports the transmission pump assembly, stabilizing fluid pressure and improving oil routing in ZF marine and industrial gearboxes. Precision-machined from marine-grade corrosion-resistant alloys (stainless steel or anodized aluminum), it tolerates up to 350 PSI (24.1 bar), operating within -10°C to 120°C (14°F to 248°F). Supports oil flow 114 L/min (30 GPM). Manifold size: 23.1 × 14.2 × 6.4 cm (9.1 × 5.6 × 2.5 in), weight approx. 2.8 kg (6.17 lbs). Designed for pump seat rigidity, wear compensation, and vibration-stress lubrication zones in marine transmissions.
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$ 1,462.55
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1-2 weeks delivery time The ZF 3217307021 Oil Cooler Pencil Anode is an OEM sacrificial protection rod engineered to protect marine oil coolers (ZF-branded and Mota heat-exchange units) from electrolysis, galvanic corrosion, and internal mineral attack. Features M18 × 1.5 thread plug, overall active rod section 20 mm length × 15 mm diameter, plug head width 23 mm, total weight 0.07 kg (0.15 lbs). Designed for continuous operation in cooler channels at 0°C to 120°C (32°F to 248°F). Optimized for saltwater, brackish water, heavy vibration zones, and high duty-cycle transmissions. Replacement interval typically 1–2 years depending on water chemistry and annual operating hours.
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$ 121.59
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1-2 weeks delivery time The ZF 3217307023 O-Ring is an OEM elastomer seal for marine gearbox, hydraulic pump, and oil circulation interfaces in ZF transmission and cooler channels. Size: 30 mm inner diameter × 40 mm outer diameter × 4 mm cross-section, weight 0.11 kg (0.24 lbs). Hardness 70 Shore A for balanced flexibility and compression load retention. Operates in -40°C to +120°C (-40°F to +248°F) and tolerates high-pressure fluid systems up to 200 bar (2900 PSI) depending on elastomer compound (NBR/FKM/EPDM variants per application). Resistant to transmission oils, hydraulic fluids, fuels, ozone, and marine spray. Designed for long compression cycles, minimal swelling, and secure leak-free sealing in industrial and saltwater conditions.
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$ 38.49
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1-2 weeks delivery time The ZF 3303199002 Gasket & Seal Rebuild Kit is an OEM-geometry service package for ZF 3M, ZF 5M, Hurth HBW35 and Hurth HBW50 marine gearboxes. This set renews critical static and dynamic sealing zones, clutch compression disc groups, and wear-compensation interfaces. The kit contains sealing rings, inner/outer clutch discs, compression O-rings, thrust washers, carrier springs, keys, and multi-size shims for accurate preload and leak isolation. Key operating range: -40°C to +120°C (-40°F to +248°F) depending on elastomer seat location; cooler and plug seals tolerate up to 24.1 bar (350 PSI) in pump-cooler oil channels. Packed size approx. 30 × 20 × 7 cm (11.8 × 7.9 × 2.8 in), weight approx. 0.6 kg (1.32 lbs). Optimized for continuous marine duty, transmission oils, compression loads, and salt-spray zones.
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$ 708.71
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1-2 weeks delivery time The ZF 3304199004 Seal & Clutch Rebuild Kit is an OEM-spec maintenance set for the ZF Hurth 10 M marine gearbox, replacing kit numbers 947.62.631.01 and 500437. It restores pump support pressure packs, clutch grip sections and static/dynamic sealing points across the oil routing, pressure plates and cooler interface circuit. Includes 8 inner + 6 outer clutch plates, 3 carrier springs, gaskets, sealing rings, O-rings, shaft keys and precision shims for clutch preload and shaft centering. Shim range: 0.15 – 0.5 mm clutch pack, plus 0.1, 0.15, 0.3 mm shaft shims. Seal operating temperature -40°C to +120°C (-40°F to +248°F) depending on seat zone; cooler and plug interface seals built for standard marine oil pressures. Compact kit packing for onboard storage and workshops, approx. weight 0.6 kg (1.32 lbs).
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$ 918.41
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1-2 weeks delivery time The ZF 3304199005 is an OEM-fit shaft bearing set for ZF 10M and ZF Hurth HBW100 marine gearboxes. Components maintain axial shaft alignment, reduce friction in oil-bathed zones, and support loads at up to 10 bar (145 PSI) and 120°C (248°F). Packed size 18×12×5 cm, weight 0.25 kg. Suitable for salt-spray and high-vibration marine duty.
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$ 706.06
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1-2 weeks delivery time The ZF 3304302011 0.10 mm Shim is a precision steel spacer for fine preload and alignment adjustment in ZF marine and industrial transmissions. Its 0.10 mm thickness and corrosion-resistant high-strength steel construction ensure accurate component spacing, reduced wear, and reliable operation in oil-bathed and high-temperature zones up to 150°C.
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$ 3.72
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1-2 weeks delivery time The ZF 3304304021 is an OEM heat-treated steel outer clutch plate for the ZF 10 M (ZF Hurth/HBW100 layout) marine gearbox clutch pack, enabling stable torque transfer and precise compression engagement. Estimated size reference: Ø170 mm outer diameter, ~5 mm thickness, weight ~1.8 kg (3.97 lbs). Suitable for oil-bathed transmission sections at elevated marine duty temperatures and continuous torque load cycles.
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$ 23.37
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1-2 weeks delivery time The ZF 3304304024 Detent Pin is an OEM locking and indexing pin for ZF 10 M / ZF Hurth HBW100 marine and industrial gearboxes, ensuring stable shift position retention and positive gear detenting. Material: hardened high-tensile steel, 58–62 HRC; dimensions Ø10 mm (0.39 in) × 45 mm (1.77 in); weight 0.035 kg (0.077 lbs). Zinc-plated 10–15 μm for marine corrosion protection. Tolerates -40°C to 150°C (-40°F to 302°F) and hydraulic seating pressures up to 100 bar (1450 PSI).
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$ 29.20
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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.