1. Part Number: DZ93189230090
2. Product Name: Clutch Master Cylinder
3. Compatible Vehicle Models: Shaanxi Auto DeLong F3000 / M3000 heavy trucks, equipped with manual clutch hydraulic control system
4. System Type: Hydraulic clutch master cylinder, without oil reservoir, external clutch oil reservoir pipeline, hydraulic transmission clutch release assist
5. Working Medium: Brake / Clutch Brake Fluid DOT3 / DOT4
6. Interchangeable Part Number: DZ93189230091
7. Installation Location: Inner side of the driver's cab firewall, connected to the clutch pedal linkage, outputs hydraulic pressure to the clutch slave pump
Structural Characteristics
• 1. Aluminum alloy pump body, internal piston, sealing ring, return spring assembly;
• 2. Two oil pipe interfaces: inlet port (connected to the liquid storage tank), outlet port (leading to the clutch auxiliary pump);
• Pedal push rod connector, directly connecting to the clutch pedal;
• Transmits pressure through brake fluid, drives the clutch auxiliary pump, achieving clutch disengagement and engagement;
No assistance, pure hydraulic transmission, matching Shaanxi Auto original factory clutch hydraulic system.
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Installation Tips
1. use DOT3 / DOT4 brake fluid only;
2. After installation, must bleed air from the whole clutch hydraulic circuit;
3. Check oil pipe connection for leakage;
4. Do not use dirty or expired brake fluid, dirty fluid will quickly damage internal rubber seals;
5. Check pedal push‑rod clearance before tightening.
FAQ
Q:What are typical failure symptoms?
A: Soft clutch pedal, long pedal travel, hard gear shifting, incomplete clutch separation (internal seal leakage).
‑ External fluid leakage on cabin floor (seal or fitting thread damage).
‑ Poor pedal return caused by broken return spring or stuck piston.
‑ No clutch pressure, cannot shift gears (piston assembly failure).
Q: What is the most common cause for early damage?
A: Dirty or expired brake fluid is the main reason. Dirty fluid will corrode and wear internal rubber seals rapidly. Oil pipe blockage also accelerates component failure.
Q: What are important installation notes?
A:Apply DOT3 or DOT4 qualified brake fluid only.
‑ Air bleeding for full clutch hydraulic circuit is mandatory after installation.
‑ Tighten pipe fittings and check for leakage.
‑ Inspect push‑rod clearance before final installation.
‑ Do not assemble with contaminated fluid.
Q: What is product structure feature?
A: Aluminum alloy housing, built‑in piston, rubber seal sets and return spring. Two ports: oil inlet (to reservoir), oil outlet (to clutch slave cylinder). Connect with clutch pedal push‑rod, transfer hydraulic pressure to clutch slave cylinder.
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