1100 255 021 Mercedes-Benz Compatible Twin Cylinder Compressor
1100 255 021
Summary
This water-cooled twin cylinder air compressor features a Ø85.00 mm bore and 56 mm stroke, providing high air output for Mercedes-Benz heavy commercial vehicles. It includes an M26x1,5 air inlet/outlet and an M12x1,5 unloader port to ensure reliable pneumatic system performance. Equivalent to OE Mercedes-Benz 4571305515SP1 and WABCO 9125101050SP1.
| EAN Code | 8699031064864 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 912 510 201 0 SP1
- 912 510 105 0 SP1
-
MERCEDES BENZ
- 457 130 72 15 SP1
- 457 130 55 15 SP1
Description
What does a twin cylinder air compressor do?
This twin cylinder air compressor is an essential engine-driven component within the air brake system of heavy commercial vehicles. By utilizing two piston-cylinder assemblies, it generates the necessary compressed air required for reliable braking performance and pneumatic system operation in high-demand environments.Compatibility and application
This unit is designed for compatibility with Mercedes-Benz vehicles and meets the requirements of WABCO systems. It features a water-cooled design with a Ø85.00 mm cylinder bore and a 56 mm stroke, ensuring efficient air production and thermal management during continuous operation.Installation and technical specifications
For professional installation, technicians should verify that the water inlet/outlet ports (M16x1,5) and air ports (M26x1,5) match the existing vehicle configuration. This model includes an ESS feature and a water-cooled valve plate to maintain stability under heavy-duty service conditions.Selection guidance
Consult your authorized distributor to ensure correct fitment for your specific engine application.OE cross-reference
1100 255 021 (Twin Cylinder Compressor) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE numbers 4571305515SP1, 4571307215SP1. It also replaces WABCO OE numbers 9125101050SP1, 9125102010SP1.Technical Specifications
| Cylinder Bore | Ø85.00 |
|---|---|
| Stroke | 56 mm |
| Swept Volume | 636cm³ |
| Air Inlet Port | M26x1,5 |
| Air Outlet Port | M26x1,5 |
| Number of Cylinders | 2 |
| Through Drive | OK |
| Air Unloader Port | M12x1,5 |
| Water (W) or Air (A) Cooled | W |
| Water Inlet Port | M16x1,5 |
| Water Outlet Port | M16x1,5 |
| With ESS Feature | OK |
| Water Cooled Valve Plate | OK |
Other OEMs
MERCEDES BENZ
- A4571307215SP1
- A4571307215 SP1
- A4571305515SP1
- A4571305515 SP1
- 4571307215 SP1
- 4571305515 SP1
- 457.130.7215 SP1
- 457.130.72.15 SP1
- 457.130.5515 SP1
- 457.130.55.15 SP1
- 457 130 7215 SP1
- 457 130 5515 SP1
- 457 130 72 15 SP1
- 457 130 55 15 SP1
WABCO
- 9125102010SP1
- 9125102010 SP1
- 9125101050SP1
- 9125101050 SP1
- 912.510.201.0 SP1
- 912.510.105.0 SP1
- 912 510 201 0 SP1
- 912 510 105 0 SP1
Related Products
Repair Kits
Similar Products
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MERCEDES BENZ | |||
| WABCO |
FAQ
What is the function of a twin cylinder air compressor?
It is an engine-driven unit that uses two piston assemblies to generate compressed air for the vehicle's pneumatic braking system, providing higher output than single-cylinder versions.
Is this compressor suitable for Mercedes-Benz vehicles?
Yes, this twin cylinder compressor is designed to be compatible with Mercedes-Benz heavy commercial vehicle systems.
What are the cooling requirements for this unit?
This specific model is a water-cooled unit requiring connection to the vehicle's cooling system via M16x1,5 ports.
Can I use this instead of a single cylinder compressor?
A conversion should only be made if the mounting flange, drive gear, and port locations match exactly; always verify against the original OE specifications.
What are the OE reference numbers of this part?
1100 255 021 directly replaces Mercedes-Benz OE numbers 4571305515SP1, 4571307215SP1. It also replaces WABCO OE numbers 9125101050SP1, 9125102010SP1.