3949098 Cummins Compatible QSB6.7 Compressor
2500 030 002
Summary
This water-cooled QSB6.7 single cylinder compressor is designed for heavy commercial vehicle air brake systems. It features a 318cm³ swept volume, Ø85.00mm cylinder bore, and M27x2 air outlet port, ensuring reliable air production for critical braking performance. Equivalent to OE Cummins 3949098.
| EAN Code | 8699031059716 |
|---|
Ready to Order
Compatible OEM Codes
-
CUMMINS
- 5301100
- 5301094
- 5286970
- 5286677
- 4991799
- 4936218
- 4933782
- 3969110
- 3966520
- 3949718
- 3949098
- 3948846
- 3944525
-
WABCO
- 911 153 938 0
- 911 153 530 0
- 911 153 020 0
Description
What does a single cylinder compressor do?
This single cylinder air compressor functions as a vital component within the pneumatic braking system of heavy commercial vehicles. By utilizing a piston-driven mechanism, it compresses intake air to supply the necessary pressure for the air processing unit and subsequent storage tanks. This specific model is engineered with high-strength components to withstand rigorous operating conditions in demanding environments.Compatibility and engine fitment
Designed specifically for compatibility with Cummins engines, this unit is optimized for heavy-duty service. It features a water-cooled design to manage thermal loads effectively, preventing overheating during continuous operation. This ensures consistent air pressure delivery for the vehicle's braking and pneumatic systems.Technical installation and maintenance
Technicians should note the specific technical parameters during installation, including the 3/4" - 16 UNF water inlet and outlet ports and the M10x1 air unloader port. The unit is equipped with an ESS feature and a water-cooled valve plate to enhance durability and efficiency under high-load cycles.Ensuring optimal performance
Regular inspection of the air inlet port and the drive mechanism is recommended to maintain peak performance. Ensuring proper coolant flow through the water ports will prevent premature wear of internal components and maintain optimal compression efficiency.OE cross-reference
2500 030 002 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3949098.Technical Specifications
| Cylinder Bore | Ø85.00 |
|---|---|
| Stroke | 56 mm |
| Swept Volume | 318cm³ |
| Air Inlet Port | Ø25 |
| Air Outlet Port | M27x2 |
| Number of Cylinders | 1 |
| Through Drive | OK |
| Air Unloader Port | M10x1 |
| Water (W) or Air (A) Cooled | W |
| Water Inlet Port | 3/4? - 16 UNF |
| Water Outlet Port | 3/4? - 16 UNF |
| With ESS Feature | OK |
| Water Cooled Valve Plate | OK |
| Weight | 19,5 KG |
Other OEMs
CUMMINS
- 5301100
- 5301094
- 5286970
- 5286677
- 4991799
- 4936218
- 4933782
- 3969110
- 3966520
- 3949718
- 3949098
- 3948846
- 3944525
WABCO
- 9111539580
- 9111539380
- 9111535300
- 9111530200
- 911.153.938.0
- 911.153.530.0
- 911 153 938 0
- 911 153 530 0
- 911 153 020 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| BLUE BIRD | All American | ISC | |
| BLUE BIRD | All American | ISL9 | |
| BLUE BIRD | Vision | ISB | |
| BLUE BIRD | Vision | ISC | |
| BLUE BIRD | Vision | ISL9 | |
| CATERPILLAR | ISB | ||
| CATERPILLAR | ISL9 | ||
| CATERPILLAR | ISX | ||
| CATERPILLAR | L9 | ||
| CUMMINS | |||
| CUMMINS | ISB6.7 | ||
| CUMMINS | ISC8.3 | ||
| CUMMINS | ISL | ||
| CUMMINS | QSB6.7 | ||
| CUMMINS | QSC8.3 | ||
| CUMMINS | QSL9 | ||
| DONGFENG | Kinland | ISC | |
| DONGFENG | Tianjin | ISC | |
| FORD | Cargo | ISB | |
| FORD | CF700 | ISB | |
| FORD | F700 | ISB | |
| FREIGHTLINER | 108SD | ISL9 | |
| FREIGHTLINER | 114SD | ISL9 | |
| FREIGHTLINER | FL50 | ISB | |
| FREIGHTLINER | FL60 | ISB | |
| FREIGHTLINER | FL60 | ISC | |
| FREIGHTLINER | FL70 | ISC | |
| FREIGHTLINER | FL80 | ISC | |
| FREIGHTLINER | FS-65 | ISB | |
| FREIGHTLINER | FS-65 | ISC | |
| FREIGHTLINER | M2 106 | ISB | |
| FREIGHTLINER | M2 106 | ISC | |
| FREIGHTLINER | M2 106 | ISL9 | |
| FREIGHTLINER | M2 112 | ISC | |
| FREIGHTLINER | M2 112 | ISL9 | |
| FREIGHTLINER | MT45 | ISB | |
| FREIGHTLINER | MT55 | ISB | |
| GILLIG | Low Floor | ISC | |
| GILLIG | Low Floor | ISL9 | |
| GILLIG | Phantom | ISC | |
| IC BUS | CE Series | ISB | |
| IC BUS | CE Series | ISC | |
| IC BUS | CE Series | ISL9 | |
| IC BUS | RE Series | ISC | |
| IC BUS | RE Series | ISL9 | |
| INTERNATIONAL | 3300 | CUMMINS ISB | |
| INTERNATIONAL | 4300 | ISC | |
| INTERNATIONAL | 4400 | ISC | |
| INTERNATIONAL | 7400 | ISC | |
| INTERNATIONAL | 9200I | CUMMINS ISX | |
| INTERNATIONAL | 9400I | CUMMINS ISX | |
| INTERNATIONAL | 9900I | CUMMINS ISX | |
| INTERNATIONAL | DURASTAR | CUMMINS ISB | |
| INTERNATIONAL | DURASTAR | CUMMINS ISL9 | |
| INTERNATIONAL | DURASTAR | CUMMINS L9 | |
| INTERNATIONAL | WORKSTAR | CUMMINS ISB | |
| INTERNATIONAL | WORKSTAR | CUMMINS ISL9 | |
| INTERNATIONAL | WORKSTAR | CUMMINS L9 | |
| KENWORTH | T170 | ISB | |
| KENWORTH | T270 | ISB | |
| KENWORTH | T300 | ISC | |
| KENWORTH | T370 | ISB | |
| KENWORTH | T370 | ISC | |
| KENWORTH | T370 | ISL9 | |
| KENWORTH | T440 | ISC | |
| KENWORTH | T440 | ISL9 | |
| KENWORTH | T470 | ISC | |
| KENWORTH | T470 | ISL9 | |
| KENWORTH | T880 | ISL9 | |
| NEW FLYER | D40LF | ISC | |
| NEW FLYER | D40LF | ISL9 | |
| NEW FLYER | Xcelsior XD40 | ISL9 | |
| NEW FLYER | Xcelsior XD60 | ISL9 | |
| NOVA BUS | LFS | ISL9 | |
| ORION BUS | Orion VII | ISL9 | |
| PETERBILT | 325 | ISB | |
| PETERBILT | 330 | ISB | |
| PETERBILT | 330 | ISC | |
| PETERBILT | 335 | ISB | |
| PETERBILT | 335 | ISC | |
| PETERBILT | 337 | ISC | |
| PETERBILT | 337 | ISL9 | |
| PETERBILT | 348 | ISC | |
| PETERBILT | 348 | ISL9 | |
| PETERBILT | 520 | ISL9 | |
| PETERBILT | 535 | ISL9 | |
| PETERBILT | 536 | ISL9 | |
| PETERBILT | 537 | ISL9 | |
| PETERBILT | 548 | ISL9 | |
| RAM (DODGE) | 2500 | ISB | |
| RAM (DODGE) | 3500 | ISB | |
| RAM (DODGE) | 4500 | ISB | |
| RAM (DODGE) | 5500 | ISB | |
| THOMAS BUILT BUSES | Saf-T-Liner C2 | ISB | |
| THOMAS BUILT BUSES | Saf-T-Liner C2 | ISC | |
| THOMAS BUILT BUSES | Saf-T-Liner C2 | ISL9 | |
| THOMAS BUILT BUSES | Saf-T-Liner HDX | ISC | |
| THOMAS BUILT BUSES | Saf-T-Liner HDX | ISL9 | |
| VOLKSWAGEN | Constellation | ISB | |
| VOLKSWAGEN | Delivery | ISB | |
| WABCO | |||
| WESTERN STAR | 4700 | ISL9 |
FAQ
What is the function of this single cylinder compressor?
It acts as the primary source of compressed air for the vehicle's pneumatic braking system by converting mechanical energy into air pressure.
How does the cooling system work on this unit?
This model is water-cooled, utilizing 3/4" - 16 UNF ports to circulate coolant, which prevents overheating during heavy-duty operation.
What are the key technical specifications for this part?
The unit features a 318cm³ swept volume, an Ø85.00mm cylinder bore, a 56 mm stroke, and an M27x2 air outlet port.
Which engine types is this compressor compatible with?
This specific model is designed to be compatible with Cummins engines requiring high-reliability air compression.
What are the OE reference numbers of this part?
2500 030 002 directly replaces Cummins OE number 3949098.