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303.11.0077.03 Shifting Cylinder Repair Kit, Gearbox
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303.11.0077.03 Compatible Shifting Cylinder Repair Kit

303.11.0077.03

Summary

This shifting cylinder repair kit is designed to renew worn internal components of pneumatic shifting cylinders. It ensures reliable gear changes in heavy commercial vehicles, including DAF and Mercedes-Benz trucks. This kit provides an economical solution for maintaining transmission performance without replacing the entire assembly. Equivalent to OE Mercedes-Benz 0025405097 and WABCO 4213509282.

Product identifiers
EAN Code8699031091341
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Compatible OEM Codes

  • WABCO
    • 421 350 928 2
  • MERCEDES BENZ
    • 002 540 50 97

Description

What does a shifting cylinder repair kit do?

A shifting cylinder repair kit is used to renew worn internal components of the transmission's pneumatic shift cylinder, such as the piston, seals, and O-rings.

Vehicle and engine compatibility

This kit is specifically designed for heavy commercial vehicle transmissions, including those found in DAF and Mercedes-Benz trucks. By replacing only the internal seals and pistons, the gear shift function is restored to its original performance, making it an economical choice for fleet maintenance. It ensures the pneumatic movement required to guide gear sets into their correct positions remains precise.

Installation and maintenance

When performing an overhaul, technicians should inspect the cylinder housing for scoring or debris that could damage new seals. Proper installation of the piston and oil seals is critical to prevent air leaks that cause shifting delays. This kit is engineered to meet the rigorous demands of heavy-duty service environments.

Troubleshooting gear shift issues

Maintaining these components helps prevent sudden transmission failures and ensures smoother gear transitions during operation. Consult your authorized distributor.

OE cross-reference

303.11.0077.03 (Shifting Cylinder Repair Kit) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0025405097. It also replaces WABCO OE number 4213509282.

Other OEMs

MERCEDES BENZ

  • A0025405097
  • 0025405097
  • 002.540.5097
  • 002.540.50.97
  • 002 540 5097
  • 002 540 50 97

WABCO

  • 4213509282
  • 421.350.928.2
  • 421 350 928 2

Related Products

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
MERCEDES BENZ
WABCO

FAQ

What is the purpose of a shifting cylinder repair kit?
It is used to renew worn internal components like pistons and seals within a pneumatic shift cylinder, restoring gear shift function economically.
Which vehicles are compatible with this repair kit?
This kit is compatible with heavy commercial vehicles from makers such as Mercedes-Benz and DAF.
Can I use this kit to fix a leaking shift actuator?
Yes, if the leak is caused by worn internal O-rings or seals, this repair kit can restore the pneumatic seal required for proper operation.
How do I know if my shifting cylinder needs a repair kit?
Symptoms often include delayed gear changes, difficult shifting, or visible air leaks around the transmission cylinder housing.
What are the OE reference numbers of this part?
303.11.0077.03 directly replaces Mercedes-Benz OE number 0025405097. It also replaces WABCO OE number 4213509282.