384909 Compatible Relay Valve — Volvo
303.01.0001
Summary
This high-strength relay valve is engineered for heavy commercial vehicle brake systems. Specifically designed for Volvo NL12 models with D12A engines, it features M22x1.5 ports and supports a maximum operating pressure of 10 bar to ensure reliable pneumatic performance. Equivalent to OE Volvo 384909.
| EAN Code | 8699031063577 |
|---|
Ready to Order
Compatible OEM Codes
-
IVECO
- 71005249
- 61578004
- 42020573
- 42015698
- 04625756
- 02444906
- 01278511
-
MAN
- 90.81011-4390
- 90.81011-4360
- 81.99164-3679
- 81.43609-6008
-
DAF
- 522545R
- 522545A
- 522545
- 1505145
-
STEYR
- 99014360047
- 89000360397
- 79000360311
-
RENAULT TRUCKS
- 5021170451
- 5001829194
- 5000012541
-
MERCEDES BENZ
- 003 429 52 44
- 001 429 30 44
- 000 429 65 44
-
LIEBHERR
- 502928014
- 502928001
- 5029280
-
VOLVO
- 384909
- 348909
-
KRONE
- 945379
- 500945379
-
WABCO
- 973 001 010 0
-
VAN HOOL
- 637200680
-
TEREX
- 04720840
-
SCHWARZMULLER
- 4641
-
SCHMITZ CARGOBULL
- 50318
-
SCANIA
- 1935623
-
OTOKAR
- AIF0008
-
O&K
- 0718485
-
NOOTEBOOM
- 307061
-
NEOPLAN
- 110242100
-
LOHR
- A05020301
-
KÖGEL
- 77390
-
KASSBOHRER
- 82834210000
-
IRISBUS
- 0300610700
-
GOLDHOFER
- 201248
-
FRUEHAUF
- A2131600
-
FAUN
- 99700718485
-
DOLL
- 8143317
-
DEUTZ
- 02077426
-
BENALU
- 605310600
Description
What does a relay valve do?
This relay valve serves as a critical component within the pneumatic brake system, managing air pressure distribution to ensure consistent braking force. Built with high-strength components, it is designed to withstand the rigorous demands of heavy commercial vehicle operations.Vehicle and engine compatibility
This specific unit is compatible with Volvo NL12 trucks equipped with D12A engines. It functions effectively within the air brake circuit to maintain precise control during deceleration.Installation and maintenance
Installation requires careful attention to the M22x1.5 port connections to prevent leaks. Technicians should verify that the system pressure does not exceed the 10 bar maximum limit during testing and maintenance cycles.System maintenance guidance
Regular inspections of the pneumatic lines and valve ports are recommended to ensure optimal system response and prevent air leaks in the braking circuit.OE cross-reference
303.01.0001 (Relay Valve Relay Valves) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 384909.Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 2 | M22x1,5 |
| Port 4 | M22x1,5 |
| Pressure | MAX 10 BAR |
Other OEMs
BENALU
- 605310600
DAF
- 522545R
- 522545A
- 522545
- 1505145
DEUTZ
- 02077426
DOLL
- 8143317
FAUN
- 99700718485
FRUEHAUF
- A2131600
GOLDHOFER
- 201248
IRISBUS
- 0300610700
IVECO
- 71005249
- 61578004
- 42020573
- 42015698
- 04625756
- 02444906
- 01278511
KASSBOHRER
- 82834210000
KÖGEL
- 77390
KRONE
- 945379
- 500945379
LIEBHERR
- 502928014
- 502928001
- 5029280
LOHR
- A05020301
MAN
- 90810114390
- 90810114360
- 90.81011.4390
- 90.81011.4360
- 81991643679
- 81436096008
- 81.99164.3679
- 81.43609.6008
- 90.81011-4390
- 90.81011-4360
- 81.99164-3679
- 81.43609-6008
MERCEDES BENZ
- A0034295244
- A0014293044
- A0004296544
- 0034295244
- 003.429.5244
- 003.429.52.44
- 003 429 5244
- 0014293044
- 001.429.3044
- 001.429.30.44
- 001 429 3044
- 0004296544
- 000.429.6544
- 000.429.65.44
- 000 429 6544
- 003 429 52 44
- 001 429 30 44
- 000 429 65 44
NEOPLAN
- 110242100
NOOTEBOOM
- 307061
O&K
- 0718485
OTOKAR
- AIF0008
RENAULT TRUCKS
- 5021170451
- 5001829194
- 5000012541
SCANIA
- 1935623
SCHMITZ CARGOBULL
- 50318
SCHWARZMULLER
- 4641
STEYR
- 99014360047
- 89000360397
- 79000360311
TEREX
- 04720840
VAN HOOL
- 637200680
VOLVO
- 384909
- 348909
WABCO
- 9730010100
- 973.001.010.0
- 973 001 010 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| BENALU | |||
| DAF | |||
| DEUTZ | |||
| DOLL | |||
| FAUN | |||
| FRUEHAUF | |||
| GOLDHOFER | |||
| IRISBUS | |||
| IVECO | |||
| KASSBOHRER | |||
| KÖGEL | |||
| KRONE | |||
| LIEBHERR | |||
| LOHR | |||
| MAN | |||
| MERCEDES BENZ | |||
| NEOPLAN | |||
| NOOTEBOOM | |||
| O&K | |||
| OTOKAR | |||
| RENAULT TRUCKS | |||
| SCANIA | |||
| SCHMITZ CARGOBULL | |||
| SCHWARZMULLER | |||
| STEYR | |||
| TEREX | |||
| VAN HOOL | |||
| VOLVO | |||
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B10M | TD100 | |
| VOLVO | B12 | D12A | |
| VOLVO | B12 | TD120 | |
| VOLVO | F10 | TD100 | |
| VOLVO | F10 | TD101 | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD120 | |
| VOLVO | F12 | TD121 | |
| VOLVO | F12 | TD122 | |
| VOLVO | F7 | TD70 | |
| VOLVO | F7 | TD71 | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | N10 | TD100 | |
| VOLVO | N10 | TD101 | |
| VOLVO | N12 | TD120 | |
| VOLVO | N12 | TD122 | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A | |
| WABCO |
FAQ
What is the function of this relay valve?
This relay valve regulates air pressure within the pneumatic brake system to ensure stable and responsive braking performance for heavy vehicles.
Which vehicles is this part compatible with?
This component is specifically designed for Volvo NL12 models utilizing D12A engines.
What are the technical specifications for the ports?
The unit features three M22x1.5 ports (Port 1, Port 2, and Port 4) and is rated for a maximum operating pressure of 10 bar.
When should I inspect the relay valve?
It is recommended to inspect the valve during routine brake system maintenance or if any air leaks or inconsistent braking response are detected.
What are the OE reference numbers of this part?
303.01.0001 directly replaces Volvo OE number 384909.