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306.02.0078 Master Cylinder, Clutch

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306.02.0078 Master Cylinder for Ford Trucks

306.02.0078

Summary

High-strength master cylinder designed for Ford Trucks. Features a Ø31.75 mm port to ensure precise hydraulic pressure conversion within the clutch system. This heavy-duty component is engineered for durability in commercial vehicle applications. Equivalent to OE Ford Trucks MC1A13023 and Knorr-Bremse K043960.

Product identifiers
EAN Code8699031074689
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Compatible OEM Codes

  • KNORR-BREMSE
    • K066631
    • K043961-60
    • K043961
    • K043960
  • FORD
    • MC1A 13023

Description

What does a master cylinder do?

This master cylinder acts as a critical component within the hydraulic clutch system, converting mechanical pedal force into the hydraulic pressure required to actuate the slave cylinder. Built with high-strength components, it ensures consistent engagement and reliable operation under heavy-duty service conditions.

Compatible vehicles and systems

This unit is specifically designed for use in Ford Trucks vehicles. It is also compatible with systems from Knorr-Bremse and other heavy commercial vehicle applications. The component is engineered to meet the rigorous demands of professional transport environments.

Installation and maintenance

Installation and maintenance should be performed by a qualified workshop technician. When replacing this unit, ensure the hydraulic lines are free of contaminants and verify that the Ø31.75 mm port connection is securely seated to prevent pressure loss in the clutch line.

Selection guidance

Consult your authorized distributor to ensure correct fitment for your specific vehicle model and engine configuration.

OE cross-reference

306.02.0078 (Master Cylinder) is the equivalent of the Ford Trucks and Knorr-Bremse OE numbers. This part directly replaces Ford Trucks OE number MC1A13023. It also replaces Knorr-Bremse OE numbers K043960, K043961, K04396160, K066631.

Technical Specifications

Technical Specifications
Port Ø31.75 mm

Other OEMs

FORD

  • MC1A 13023

KNORR-BREMSE

  • K066631
  • K043961-60
  • K043961
  • K043960

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
FORD
KNORR-BREMSE

FAQ

What is the function of this master cylinder?
It converts the mechanical force applied to the clutch pedal into hydraulic pressure, which is then transmitted through the lines to actuate the slave cylinder.
Which vehicle brands is this part compatible with?
This component is designed for Ford Trucks and is compatible with Knorr-Bremse systems used in heavy commercial vehicles.
What technical specifications should I verify?
Ensure that the port size, specifically the Ø31.75 mm diameter, matches your existing hydraulic line requirements for proper sealing.
How can I identify if a replacement is necessary?
Technicians should look for symptoms such as a spongy clutch pedal or difficulty engaging gears, which often indicate internal seal wear or pressure loss.
What are the OE reference numbers of this part?
306.02.0078 directly replaces Ford Trucks OE number MC1A13023. It also replaces Knorr-Bremse OE numbers K043960, K043961, K04396160, K066631.