303.11.0053.01 Mercedes-Benz Gearbox Housing Coil
303.11.0053.01
Summary
This heavy-duty gearbox housing coil is designed for automated transmissions in Mercedes-Benz vehicles. It functions as the electrical drive element within the electro-pneumatic valve assembly to manage gear, split, and range shifts effectively. Built with high-strength components to withstand engine-bay heat and vibrations, it ensures reliable transmission performance. Equivalent to OE WABCO 4213509242S1.
| EAN Code | 8699031089607 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 421 350 924 2 S1
Description
What does a gearbox housing coil do?
This gearbox housing coil serves as the critical electrical drive element within the electro-pneumatic valve assembly of automated manual transmissions. By converting electrical signals from the control unit into a magnetic field, it moves the valve piston to direct compressed air to the appropriate gear, split, or range actuator. This component is essential for smooth gear transitions and maintaining drivetrain reliability in heavy commercial vehicles.Vehicle compatibility and systems
This specific model is compatible with Mercedes-Benz vehicles and is designed to meet the requirements of WABCO systems. The heavy-duty construction is engineered to withstand high vibration and extreme temperatures common in the engine bay, ensuring that gear shifts remain precise and timely even under demanding service conditions.Installation and maintenance guidance
For proper installation, technicians should verify that the coil matches the specific mounting position on the valve block—whether it is for gear, split, or range functions. It is vital to ensure that the connector type and pin layout match the vehicle wiring harness to prevent fault codes. Checking the mounting dimensions against the original part is recommended to ensure a perfect fit within the transmission housing.Troubleshooting gear shift issues
When a coil begins to fail, symptoms often include delayed gear shifts, harsh engagement, or a complete failure to shift. Regular inspection of the sealing and connector integrity can help prevent moisture ingress and electrical shorts, preserving the longevity of the entire transmission system.OE cross-reference
303.11.0053.01 (Gearbox Housing Heavy Series Coil) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4213509242S1.Other OEMs
WABCO
- 4213509242S1
- 421 350 924 2 S1
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MERCEDES BENZ | |||
| WABCO |
FAQ
What is the function of a gearbox housing coil?
It acts as an electrical drive element that converts signals from a control unit into a magnetic field, directing compressed air to move valve pistons for gear shifting.
Which vehicles are compatible with this component?
This part is designed for Mercedes-Benz heavy commercial vehicles and is compatible with WABCO systems used in automated transmissions.
What are common symptoms of a failing gearbox coil?
Technicians may observe delayed gear shifts, harsh shifting movements, or a complete inability to change gears during operation.
How can I ensure I select the correct coil for my transmission?
Verify the transmission model, mounting position on the valve block (gear, split, or range), and match the connector pin layout exactly.
What are the OE reference numbers of this part?
303.11.0053.01 directly replaces WABCO OE number 4213509242S1.