21521355 Volvo B11R D11A Twin Cylinder Compressor
1300 240 003
Summary
This water-cooled twin cylinder compressor is designed for Volvo B11R vehicles with D11A engines. It features a 636cm³ swept volume, Ø85.00 cylinder bore, and 56 mm stroke, ensuring reliable air pressure for heavy-duty braking systems. Equivalent to OE Volvo 21521355.
| EAN Code | 8699031060194 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 912 512 017 0
-
VOLVO
- 21521355
Description
What does a twin cylinder compressor do?
This twin cylinder compressor serves as a critical component within the air brake system, providing the necessary pneumatic pressure required for reliable braking performance. Built with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle operations.Vehicle and engine compatibility
This specific unit is compatible with Volvo B11R trucks equipped with the D11A engine. It is engineered to meet the precise requirements of the original equipment, ensuring seamless integration into the vehicle's pneumatic circuit.Installation and maintenance guidance
For optimal performance, technicians should verify all connections during installation. This model features an M26x1.5 air outlet port, M12x1.5 unloader port, and M16x1.5 water ports. The water-cooled valve plate and ESS feature ensure stable operation under high load conditions.System performance and selection
Regular inspection of the air inlet and outlet ports is recommended to prevent system contamination and ensure consistent pressure delivery throughout the service interval.OE cross-reference
1300 240 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21521355.Technical Specifications
| Cylinder Bore | Ø85.00 |
|---|---|
| Stroke | 56 mm |
| Swept Volume | 636cm³ |
| Air Inlet Port | Ø35 |
| 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 |
| Weight | 22,7 KG |
Other OEMs
VOLVO
- 21521355
WABCO
- 9125120170
- 912.512.017.0
- 912 512 017 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MACK | Granite | MP7 | |
| MACK | Pinnacle | MP8 | |
| RENAULT TRUCKS | Kerax | DXi11 | |
| RENAULT TRUCKS | Magnum | DXi13 | |
| RENAULT TRUCKS | Premium | DXi11 | |
| RENAULT TRUCKS | Premium | DXi13 | |
| VOLVO | |||
| VOLVO | B11R | D11A | |
| VOLVO | B13R | D13B | |
| VOLVO | FH13 | D13A | |
| VOLVO | FH13 | D13B | |
| VOLVO | FH13 | D13C | |
| VOLVO | FH16 | D16E | |
| VOLVO | FH16 | D16G | |
| VOLVO | FM11 | D11A | |
| VOLVO | FM11 | D11B | |
| VOLVO | FM13 | D13A | |
| VOLVO | FM13 | D13B | |
| VOLVO | FM13 | D13C | |
| VOLVO | FMX | D11B | |
| VOLVO | FMX | D13C | |
| VOLVO | TAD1341-1345VE | D13 | |
| VOLVO | VHD | D13 | |
| VOLVO | VNL | D13 | |
| WABCO |
FAQ
How do I know if this compressor fits my vehicle?
This unit is specifically designed for Volvo B11R models using the D11A engine. Always verify that your current unit's mounting flange and port locations match these specifications.
What are the key technical specifications of this unit?
This compressor features a 636cm³ swept volume, a Ø85.00 cylinder bore, and a 56 mm stroke. It utilizes a water-cooled system with M16x1.5 water ports.
Does this compressor support water cooling?
Yes, this is a water-cooled (W) model featuring a water-cooled valve plate to manage operating temperatures effectively during heavy-duty use.
Can I replace a single cylinder compressor with this twin cylinder model?
Only if the vehicle manufacturer specifies a twin-cylinder variant for that specific engine; otherwise, mounting flanges and port locations may not align.
What are the OE reference numbers of this part?
1300 240 003 directly replaces Volvo OE number 21521355.