$ 708.71
1-2 weeks delivery time
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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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ZF 3303199002 Marine Gearbox Gasket & Seal Rebuild Kit – Complete Service Set for ZF 3M/5M and Hurth HBW35/HBW50
Parameter Specification Brand / Manufacturer ZF Friedrichshafen AG (OEM fitment geometry) Part Number 3303199002 Transmission Compatibility ZF 3M, ZF 5M, Hurth HBW35, Hurth HBW50 series marine & industrial gearboxes Replaces ZF Kit Numbers 947.72.631.01, 500436 (ZF maintenance cross-reference) Packed Size Approx. 30 × 20 × 7 cm (11.8 × 7.9 × 2.8 in) Weight Approx. 0.6 kg (1.32 lbs) Pressure Endurance Zones Up to 24.1 bar (350 PSI) at pump and cooler oil channel seals Temperature Service Range -40°C to +120°C (-40°F to +248°F) depending on seal seat location, O-ring compound 70 Shore A Media Resistance Transmission oils, hydraulic fluids, marine spray, salt-spray & compression zones Elastomer Material Classes NBR (oil seals), EPDM (spray/ozone-safe connectors), synthetic blends (compression zones, FKM when shaft seat demands) Installation Type Direct OEM fit, workshop and onboard service procedures supported
Kit Contents
- 1 × 0634 502 009 Shift cover sealing ring
- 1 × 0634 306 179 Shift fork shaft O-ring
- 2 × 3306 301 016 Drain plug / oil dipstick sealing rings
- 4 × 3304 301 015 Cover gaskets
- 1 × 3306 301 015 Shifting cover gasket
- 1 × 0634 301 830 Input shaft oil seal
- 1 × 0634 300 371 Output shaft oil seal
- 2 × 0501 336 515 Thrust washers (bearing/gear preload groups)
- 4 × 3304 304 040 Inner clutch discs
- 4 × 3304 304 021 Outer clutch discs
- 3 × 3306 304 024 Disc carrier springs
- 1 × 0631 501 634 Output shaft key
- Clutch pack shims: 2×0.15 mm, 2×0.20 mm, 2×0.30 mm, 2×0.40 mm, 2×0.50 mm
- Shaft shims: 2×0.40 mm, 2×0.50 mm (input/output wear-comp groups)
- Torque sequence and assembly reference insert
Technical Benefits
- Restores critical sealing integrity for oil pressure plates and pump/cooler channels
- Prevents oil leakage and air/water ingress in static and dynamic joints
- Includes carrier springs and clutch discs to renew compression packs
- Extends gearbox and oil-routing sections service life
- OEM-fit groove geometry avoids extrusion gaps and misalignment leaks
- Compatible with saltwater and oil media, high vibration endurance sections
Installation & Service Notes
- Install into cleaned and lightly oiled gasket/seal seats (do not twist O-rings)
- Follow OEM torque and sequence reference (provided in kit insert)
- Ideal for scheduled maintenance or overheated/water-spray ingress failures
- Standard sockets and metric wrenches fit service ports and preload groups
- Inspect shims to maintain correct clutch disc preload and shaft centering
Application Zones
- Shift cover static seal junctions
- Pump–support and pressure plate sealing groups
- Input and output shaft dynamic oil seats
- Cooler port plug sealing groups
- Compression and fastener isolation seating
Engineered to restore pressure stability, renew oil routing integrity, and maintain the chemical/thermal endurance required for long-duty marine transmission systems.
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