ZF 634304688 – O-Ring 48x68x6 mm NBR 70 for ZF Marine Transmissions

ID 1232837

$ 8.50

1-2 weeks delivery time

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The ZF 634304688 O-Ring is a 48×68×6 mm elastomer seal with 70 Shore A hardness. Withstands -40°C to +150°C and up to 30 bar pressure. Compatible with oils, fuels, and saltwater. Ideal for ZF marine transmission systems.

Description
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ZF 634304688 – O-Ring 48x68x6 mm NBR 70 for ZF Marine Transmissions

The ZF 634304688 O-Ring is a precision-engineered sealing component designed for use in ZF marine transmission systems. With its durable elastomer construction and high resistance to oils, fuels, lubricants, and saltwater, this O-ring ensures a reliable, leak-free seal in harsh marine environments. Its robust material and dimensional accuracy make it an ideal solution for both commercial and recreational vessels where transmission reliability is critical.

Key Features:

High-performance elastomer (NBR, FKM, or EPDM depending on application)
Excellent resistance to oils, fuels, saltwater, and marine lubricants
Leak-proof seal to protect critical transmission components
Temperature range: -40°C to +150°C
Withstands pressures up to 30 bar (435 psi)
Designed for ZF marine transmissions in commercial and recreational vessels
Minimizes maintenance and reduces the risk of fluid leakage
Easy to install with a standard circular O-ring profile

Specifications:

Part Number	ZF 634304688
Material	Elastomer (NBR, FKM, or EPDM)
Hardness	70 Shore A
Inner Diameter	48 mm
Outer Diameter	68 mm
Cross-Section Thickness	6 mm
Temperature Range	-40°C to +150°C
Max Operating Pressure	30 bar (435 psi)
Fluid Compatibility	Oils, fuels, lubricants, saltwater
Corrosion Resistance	High, suitable for marine environments
Weight	0.08 kg
Color	Black
Shape	O-Ring (circular cross-section)
Installation	Press-fit design for easy replacement
Standards	Conforms to marine sealing requirements

Compatibility and Application:

This O-ring is compatible with various ZF marine transmission systems, including ZF 63, ZF 85, ZF 220, and ZF 280 series. Designed to maintain optimal sealing even under extreme conditions, it is ideal for use in both commercial workboats and recreational yachts. The ZF 634304688 helps prevent fluid loss and contamination, extending the service life of the transmission and reducing operating costs.

Benefits:

Prevents fluid leakage and component contamination
Supports operation in extreme temperatures and marine exposure
Reduces need for frequent seal replacement
Protects marine transmissions from wear and premature failure
Ensures consistent performance in high-load marine systems
Versatile application across multiple ZF transmission models