ZF 3312307005 – Gearbox Oil Cooler for ZF 45, 63 & 85, 3/8" BSP, 32mm Water Ports

ID 1232517

1-2 weeks delivery time

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The ZF 3312307005 Gearbox Oil Cooler is designed for ZF 45, 63, and 85 marine transmissions. It features 3/8" BSP oil ports and 32 mm water ports, operates up to 120°C and 10 bar, and supports a 20–30 L/min water flow rate. With corrosion-resistant aluminum construction and compact 320×160×90 mm dimensions, it ensures efficient oil cooling and long-term gearbox protection in harsh marine environments.

Description
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ZF 3312307005 – Gearbox Oil Cooler for ZF 45, 63 & 85, 3/8" BSP, 32mm Water Ports

The ZF 3312307005 Gearbox Oil Cooler is designed to provide reliable oil temperature regulation for ZF 45, ZF 63, and ZF 85 marine transmission systems. Equipped with 3/8" BSP oil ports and 32 mm internal diameter water port end caps, this cooler ensures secure, leak-free connections for efficient cooling circuit integration. Its corrosion-resistant aluminum body withstands saltwater, UV, and harsh marine conditions, delivering consistent performance with minimal maintenance. Suitable for both commercial and recreational vessels, it operates at temperatures up to 120°C (248°F) and pressures up to 10 bar (145 psi), protecting gearboxes from overheating and reducing component wear.

Key Features:

Designed for ZF 45, 63, and 85 marine transmission systems
3/8" BSP oil ports and 32 mm water port ID for standard marine connections
Corrosion-resistant aluminum construction with marine-grade durability
Efficient cooling helps extend gearbox life and reduce wear
Compatible with SAE 30 and 40 marine transmission oils
Rated for 120°C temperature and 10 bar pressure
Compact size and flexible mounting with standard brackets
Quiet operation with optimized cooling fin design

Specifications:

Part Number	ZF 3312307005
Product Type	Gearbox Oil Cooler
Compatible Gearboxes	ZF 45, ZF 63, ZF 85
Oil Port Size	3/8" BSP
Water Port Diameter	32 mm (internal)
Material	Marine-grade corrosion-resistant aluminum
Max Temperature	120°C (248°F)
Max Pressure	10 bar (145 psi)
Recommended Flow Rate	20–30 L/min
Dimensions	320 mm × 160 mm × 90 mm
Weight	3.2 kg
Mounting	Adjustable brackets, standard mounting
Operating Fluids	Marine transmission oils (SAE 30 or 40)
Flow Direction	Bi-directional
Noise Reduction	Yes, via optimized cooling fins
Certifications	ISO 9001, CE marked

Applications:

This oil cooler is ideal for use in both new installations and retrofits involving ZF 45, 63, and 85 transmissions. It is suited for a wide range of vessels including yachts, workboats, and commercial marine craft where stable gearbox oil temperature is critical. The robust design ensures thermal efficiency, operational safety, and reduced downtime for gearbox servicing.

Benefits:

Prevents gearbox oil overheating and degradation
Reduces wear on transmission components and prolongs lifespan
Withstands harsh marine conditions including saltwater and UV
Easy to install with standard BSP threads and mounting points
Quiet operation improves onboard comfort
Supports stable gearbox performance under continuous load
Low-maintenance design saves time and operational costs