303.11.0102 Valve, Retarder
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303.11.0102 Valve, Retarder — ZF

303.11.0102

Summary

The VADEN ORIGINAL 303.11.0102 is a high-strength component designed for the Gearbox - Retarder system. This part is engineered to be compatible with DAF ( 1386811, 1621930, 1670254, 1734012 ), MAN ( 81.32550-0009, 81.32550-0011, 81.32560-0052, 81.32560-0053 ), MERCEDES BENZ ( 004 254 91 75 ), RENAULT TRUCKS ( 7420966211 ), and ZF ( 0501 317 865, 0501 321 329, 0501 321 459 ) systems.

EAN Code8683457041707
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Compatible OEM Codes

  • MAN 81.32560-0053 81.32560-0052 81.32550-0011 81.32550-0009
  • DAF 1734012 1670254 1621930 1386811
  • ZF 0501 321 459 0501 321 329 0501 317 865
  • RENAULT TRUCKS 7420966211
  • MERCEDES BENZ 004 254 91 75

Description

The VADEN ORIGINAL 303.11.0102 is a precision-engineered valve designed for the retarder system within heavy commercial vehicle transmissions. This high-strength component ensures optimal pressure regulation and smooth deceleration control, maintaining system integrity during demanding driving conditions in the heavy commercial vehicle sector.

This product serves as a reliable OE-equivalent for various major manufacturers. Specifically, 303.11.0102 is the OE equivalent of the ZF 0501 321 459 valve used in DAF, MAN, MERCEDES BENZ, RENAULT TRUCKS, and ZF systems. It provides seamless integration with critical gearbox components to ensure consistent performance across diverse heavy-duty applications.

For workshop technicians and fleet managers, this part offers straightforward installation and long-term reliability in the retarder system. Regular maintenance checks of the gearbox and retarder assembly are recommended to ensure optimal braking-assist functionality. This component is engineered to meet the strict requirements of modern heavy commercial vehicle service intervals.

Maintaining the integrity of the retarder valve is essential for preventing system overheating and ensuring effective speed management in heavy trucks and buses.

Other OEMs

DAF

  • 1734012
  • 1670254
  • 1621930
  • 1386811

MAN

  • 81325600053
  • 81325600052
  • 81325500011
  • 81325500009
  • 81.32560.0053
  • 81.32560-0053
  • 81.32560-0052
  • 81.32550-0011
  • 81.32550-0009

MERCEDES BENZ

  • A0042549175
  • 004 254 91 75

RENAULT TRUCKS

  • 7420966211

ZF

  • 0501321459
  • 0501321329
  • 0501317865
  • 0501 321 459
  • 0501 321 329
  • 0501 317 865

Vehicles Used

BrandModelEngine
DAF
MAN
MERCEDES BENZ
RENAULT TRUCKS
ZF

FAQ

Which vehicle makes are compatible with this retarder valve?
This valve is compatible with DAF ( codes: 138681 way, 162193 own, 1674xxx ), MAN ( codes: 8 way ), MERCEDES BENZ ( code: 74xxx ), RENAULT TRUCKS ( code: 74xxx ), and ZF ( codes: xxx ).
Is this part suitable for heavy commercial vehicles?
Yes, this component is specifically engineered for heavy commercial vehicles including trucks and buses using ZF or MAN gearbox systems.
What are the compatible OEM reference numbers?
The compatible OEM numbers include DAF (is: ), MAN (is:
), MERCEDES BENZ (is:
), RENAULT TRUCKS (is:
), and ZF (is:
).
Does this part require specialized installation?
Installation should be performed by a professional workshop technician to ensure correct fitment within the retarder and gearbox assembly.
What is the function of this retarder valve?
It regulates the hydraulic or pneumatic pressure within the retarder system to assist in deceleration and manage heat during heavy-duty braking.