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ZF 3312101003 - Transmission Filter Cover for ZF85IV Marine Gearbox, 300 psi, O-Ring Sealed
The ZF 3312101003 Transmission Filter Cover is an OEM-grade component engineered for ZF85IV marine transmissions. Built from high-strength, corrosion-resistant alloy, this cover ensures secure retention of the internal filter while protecting the transmission from debris and moisture ingress. Designed for direct-fit bolt-on installation, it includes an O-ring seal to prevent leaks under pressure and vibration. Ideal for demanding marine applications, this cover supports pressures up to 300 psi and ensures long-term reliability in saltwater environments.
Key Features:
- Designed specifically for ZF85IV marine transmissions
- High-strength corrosion-resistant alloy for marine environments
- O-ring seal prevents leakage and maintains filtration efficiency
- Direct bolt-on fit — no modifications required
- Protects transmission from contaminants and water intrusion
- Rated for operating pressures up to 300 psi (20.7 bar)
- Durable construction resists saltwater, temperature, and vibration
- Ideal for recreational and commercial marine vessels
Specifications:
Part Number ZF 3312101003 Application ZF85IV marine transmission systems Material Corrosion-resistant marine-grade alloy Weight 0.68 kg (1.5 lbs) Dimensions 165 × 165 × 50 mm (6.5 × 6.5 × 2 in) Seal Type O-ring (integrated) Mounting Type Direct bolt-on Pressure Rating 300 psi (20.7 bar) Operating Temp Range -23°C to +121°C (–10°F to +250°F) Finish Smooth anti-corrosion coating Service Life Long-term with minimal maintenance Warranty 1-year limited warranty (OEM standard)
Compatibility and Application:
This filter cover is a direct replacement part for ZF85IV marine gearboxes and plays a critical role in maintaining the transmission’s filtration integrity. By securely holding the transmission filter in place and sealing the filter cavity with an O-ring, it protects the gearbox from contaminants that could lead to wear or failure. Suitable for both commercial and recreational vessels operating in saltwater conditions.
Benefits:
- Maintains secure fit of the internal transmission filter
- Protects internal components from contamination and corrosion
- Reduces risk of transmission failure due to leaks or debris ingress
- Minimizes maintenance time with simple bolt-on installation
- Supports high-pressure marine environments up to 300 psi
- Long service life with minimal upkeep in saltwater conditions
- Manufactured to ZF OEM standards for reliability and fit
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