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7000 783 100 Piston & Ring for Air Brake Compressors

7000 783 100

Summary

This compressor piston and ring set is designed for heavy-duty pneumatic systems. It is compatible with Cummins ISF engines used in Iveco Daily, Foton, Dongfeng, JAC, and Gaz vehicles. Engineered with high-strength components to ensure air-tight performance under heavy commercial vehicle operating conditions.

Product identifiers
EAN Code8699031084671
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Description

What does a compressor piston and ring do?

This compressor piston and ring assembly is a vital component for maintaining the efficiency of pneumatic brake systems. It functions within the air brake compressor to ensure proper air compression and seal integrity, preventing pressure loss during critical braking operations.

Compatible vehicles and engines

These parts are specifically designed to fit vehicles equipped with Cummins ISF engines, including models from Iveco Daily, Foton (Aumark, Ollin, View, Tunland), Dongfeng (EQ5041, Captain), JAC (Sunray, HFC1091), and Gaz (Valday, GAZon Next, GAZelle Business, GAZelle Next). They are also compatible with Knorr-Bremse systems.

Installation and maintenance guidance

When performing a compressor overhaul, technicians should inspect the cylinder liner for scoring. If the liner is intact, a ring set may suffice; however, if there is visible wear on the piston skirt, a full piston and ring kit is recommended to ensure long-term reliability. Always verify the diameter and fitment against the existing compressor housing before installation.

Troubleshooting and selection

Regular inspection of these components can prevent sudden pneumatic system failures in heavy commercial vehicles. Check the rings for excessive wear or carbon buildup during routine maintenance intervals. Consult your authorized distributor to ensure correct compatibility for your specific engine model.

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Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
CUMMINS
CUMMINS ISF2.8
CUMMINS ISF3.8
DONGFENG Captain ISF
DONGFENG EQ5041 ISF
FOTON Aumark ISF
FOTON MPX-S ISF
FOTON Ollin ISF
FOTON Tunland ISF
FOTON View ISF
GAZ GAZelle Business ISF
GAZ GAZelle Next ISF
GAZ GAZon Next ISF
GAZ Valday ISF
IVECO Daily (Cin uretimi) ISF
JAC HFC1091 ISF
JAC Sunray ISF
KNORR-BREMSE

FAQ

What is the difference between a ring set and a piston kit?
A ring set contains the compression rings required for one cylinder. A piston kit includes the piston body, rings, pin, and circlips together, which is preferred for complete overhauls.
Which engines are these parts compatible with?
These components are engineered for Cummins ISF engines found in various heavy commercial vehicles like Iveco Daily, Foton models, Dongfeng, JAC, and Gaz.
How can I know if I need to replace the entire piston or just the rings?
If there is air leakage but no physical damage to the piston skirt, a ring set may be sufficient. If there is scoring or wear on the piston skirt, a full piston and ring kit should be used.
Can these parts be used in Knorr-Bremse systems?
Yes, these components are designed to be compatible with Knorr-Bremse pneumatic brake systems used in heavy commercial vehicle applications.