301.03.0001.11 Compatible Air Dryer Valve Repair Kit
301.03.0001.11
Summary
This air dryer valve repair kit is designed for heavy commercial vehicle air brake systems. It is compatible with Knorr-Bremse systems and fits Volvo and Renault Trucks models including FH16, FM12, and Magnum to ensure reliable air discharge. Equivalent to OE Knorr-Bremse I90121.
| EAN Code | 8683457003804 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- I90121
Description
What does an air dryer valve repair kit do?
The air dryer valve repair kit is a specialized rebuild set designed to restore the functionality of desiccant-equipped purge valves. This component plays a critical role in the air brake system by discharging condensed water and oil from the tank bottom in a controlled manner, ensuring the brake circuit remains dry and clean.Compatible vehicles and engines
This repair kit is compatible with Knorr-Bremse systems and is fitted to Volvo models such as FH16, FM12, VHD, and FL12, as well as Renault Trucks Magnum. It also serves various heavy commercial vehicle applications including DAF, MAN, Mercedes-Benz, and Iveco trucks. The kit ensures proper maintenance of the pneumatic circuit across diverse engine configurations like D12 and DXi12.Installation and maintenance
To ensure successful installation, technicians should inspect the existing purge valve for signs of heat or vibration damage. Replacing worn seals, springs, and pins helps prevent air leaks and discharge failures. It is recommended to verify that all components align with the existing valve architecture before proceeding with the rebuild.Troubleshooting and selection
Regular maintenance of the air dryer assembly helps prevent system contamination. Using high-strength components during the repair process ensures long-term reliability in demanding operating conditions. Consult your authorized distributor for further assistance.OE cross-reference
301.03.0001.11 (Air Dryer Valve Repair Kit Air Dryer Valves) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number I90121.Other OEMs
KNORR-BREMSE
- I90121
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| IVECO | |||
| KNORR-BREMSE | |||
| MAN | |||
| MERCEDES BENZ | |||
| NEOPLAN | |||
| RENAULT TRUCKS | |||
| RENAULT TRUCKS | Magnum | DXi12 | |
| VOLVO | |||
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B12 | D12A | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD122 | |
| VOLVO | FH12 | D12A | |
| VOLVO | FH12 | D12C | |
| VOLVO | FH12 | D12D | |
| VOLVO | FH16 | D16C | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | FM10 | D10A | |
| VOLVO | FM12 | D12C | |
| VOLVO | FM12 | D12D | |
| VOLVO | NH12 | D12A | |
| VOLVO | NH12 | D12C | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A | |
| VOLVO | VHD | D12 | |
| VOLVO | VNL | D12 |
FAQ
What is the purpose of an air dryer valve repair kit?
The kit restores the purge valve by replacing worn gaskets, springs, and pins, ensuring condensed water and oil are effectively discharged from the air brake system.
Which vehicle brands are these kits compatible with?
These kits are compatible with Knorr-Bremse systems found on Volvo, Renault Trucks, DAF, MAN, Mercedes-Benz, and Iveco heavy commercial vehicles.
How can I know if my air dryer valve needs a repair kit?
If you notice continuous air leaks or a failure in the discharge cycle after braking, it often indicates degraded seals or damaged internal components.
Can I use this kit to service any air dryer valve?
The kit is designed for specific architectures. It is essential to match the kit to the existing valve type used in your vehicle's pneumatic system.
What are the OE reference numbers of this part?
301.03.0001.11 directly replaces Knorr-Bremse OE number I90121.