1400 070 300 Unloader Kit for Scania Trucks
1400 070 300
Summary
This compressor unloader kit is designed for heavy commercial vehicle air brake systems. It ensures reliable pressure regulation and is compatible with Scania and Knorr-Bremse systems to maintain optimal pneumatic performance in demanding environments. Equivalent to OE Knorr-Bremse LK4948S3 and Scania 1767157S3.
| EAN Code | 8699031022277 |
|---|
Ready to Order
Compatible OEM Codes
-
SCANIA
- 1767157 S3
-
KNORR-BREMSE
- LK4948 S3
Description
What does an unloader kit do?
The compressor unloader kit plays a critical role in the air brake system by regulating the air pressure within the pneumatic circuit. This component allows the compressor to release pressure when the required level is reached, preventing over-pressurization and ensuring consistent brake performance for heavy commercial vehicles.Compatible vehicles and systems
This unloader kit is compatible with Scania vehicles and is suitable for use in systems engineered by Knorr-Bremse. By maintaining precise control over the compressor's unloading cycle, it helps ensure the stability of the entire braking system during heavy-duty operation.Installation and maintenance
For professional workshop technicians, regular inspection of the unloader mechanism is essential to prevent pressure leaks or failure to unload. When replacing this component, ensure that all pneumatic connections are secure and that the system is free of contaminants to maintain the integrity of the new kit.Troubleshooting guidance
If the compressor fails to reach target pressure or stays under constant load, checking this kit is a recommended troubleshooting step. Maintaining high-strength components ensures long-term reliability for fleet managers and service providers.OE cross-reference
1400 070 300 (Compressor Unloader Kit) is the equivalent of the Knorr-Bremse and Scania OE numbers. This part directly replaces Knorr-Bremse OE number LK4948S3. It also replaces Scania OE number 1767157S3.Other OEMs
KNORR-BREMSE
- LK4948 S3
SCANIA
- 1767157 S3
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE | |||
| SCANIA |
FAQ
What is the function of a compressor unloader kit?
The unloader kit manages the air pressure within the compressor by allowing it to stop pumping once the target pressure is achieved, preventing system damage.
Is this kit compatible with Knorr-Bremse systems?
Yes, this component is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicle braking applications.
Which vehicle brands does this part fit?
This unloader kit is specifically designed for Scania trucks and other heavy commercial vehicles utilizing similar pneumatic architectures.
How can I know if my unloader kit needs replacement?
Symptoms such as the compressor failing to stop pumping or an inability to reach correct air pressure levels often indicate a faulty unloader mechanism.
What are the OE reference numbers of this part?
1400 070 300 directly replaces Knorr-Bremse OE number LK4948S3. It also replaces Scania OE number 1767157S3.