421 350 924 2 Heavy Series Coil for Gearbox Housings
303.11.0053
Summary
This heavy-duty series coil is designed for gearbox housing applications, providing reliable electrical engagement in heavy commercial vehicle transmissions. It is compatible with WABCO systems and built to withstand high-vibration environments and engine-bay temperatures. Check the compatibility list. Equivalent to OE WABCO 4213509242.
| EAN Code | 8699031073101 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 421 350 924 2
-
MERCEDES BENZ
- 002 540 38 97
Description
What does a gearbox housing coil do?
This gear housing component acts as the electrical drive element within the electro-pneumatic valve assembly of automated transmissions. By converting electrical signals into magnetic fields, it manages critical gear, split, and range shifts by directing compressed air to the shift actuator. The heavy-duty construction ensures the winding integrity remains stable under continuous vibration and high temperatures.Compatible vehicles and systems
This part is designed for use in heavy commercial vehicle transmissions, including those from WABCO systems. It is essential for maintaining precise shift speed and transmission reliability in trucks, tractors, and buses. Always verify the transmission model and mounting position to ensure a correct fitment.Installation and maintenance
When performing maintenance, technicians should check the connector type and pin layout to match the vehicle wiring harness. Ensuring a proper seal with the O-ring is vital to prevent moisture ingress and potential short circuits. Proper installation helps avoid fault codes triggered by incorrect winding resistance or voltage deviations.Troubleshooting shift issues
If shift speed decreases or fault codes appear in the transmission control unit, inspecting the coil's electrical integrity is a recommended troubleshooting step.OE cross-reference
303.11.0053 (Gearbox Housing Heavy Series Coil) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4213509242.Other OEMs
MERCEDES BENZ
- A0025403897
- 0025403897
- 002.540.3897
- 002.540.38.97
- 002 540 3897
- 002 540 38 97
WABCO
- 4213509242
- 421.350.924.2
- 421 350 924 2
Related Products
Repair Kits
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MERCEDES BENZ | |||
| WABCO |
FAQ
What is the function of a gearbox housing heavy series coil?
It acts as an electrical drive element that converts signals from the control unit into magnetic fields, allowing the valve to direct compressed air for gear shifts.
Which systems is this coil compatible with?
This component is designed to be compatible with WABCO systems used in heavy commercial vehicle transmissions.
How can I identify if a coil needs replacement?
Technicians should look for symptoms such as irregular shift speeds or fault codes appearing in the transmission control unit due to winding resistance deviations.
What should be checked during installation?
It is critical to verify the connector type, pin layout, and ensure the O-ring provides a proper seal to prevent moisture ingress.
What are the OE reference numbers of this part?
303.11.0053 directly replaces WABCO OE number 4213509242.