Skip to content
8112851 SP1 Volvo B12 D12A Twin Cylinder Compressor

3142 Views Updated

8112851 SP1 Compatible Twin Cylinder Compressor for Volvo

1300 050 006

Summary

High-performance water-cooled twin cylinder compressor compatible with Volvo B12 (D12A engine). Technical specifications include a Ø88.00 cylinder bore, 50 mm stroke, and 608cm³ swept volume for reliable air supply. Equivalent to OE Volvo 8112851SP1.

Product identifiers
EAN Code8699031049809
Ready to Order
Get Information
Share
WhatsApp Facebook X LinkedIn

Compatible OEM Codes

  • KNORR-BREMSE
    • LP4960 SP1
    • K000237X00 SP1
    • K000237V SP1
    • K000237C57 SP1
    • K000237000 SP1
    • II30899ATV SP1
    • II30899 SP1
  • VOLVO
    • 85000065 SP1
    • 8157550 SP1
    • 81128514 SP1
    • 8112851 SP1
    • 20442353 SP1

Description

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the air brake system of heavy commercial vehicles. By utilizing two piston-cylinder assemblies, this unit delivers a higher air output compared to single-cylinder alternatives, ensuring that air reservoirs are replenished efficiently to maintain consistent braking performance.

Vehicle and engine compatibility

This specific model is engineered for compatibility with Volvo B12 trucks featuring D12A engines. It features a water-cooled design with a water inlet/outlet port of M16x1,5 and is equipped with an ESS feature to optimize system reliability under heavy-duty operating conditions.

Technical specifications and installation

For proper installation, technicians should verify the through drive configuration and port dimensions. This unit features an air inlet port of Ø29, an air outlet port of M26x1,5, and an unloader port of M22x1,5. Ensuring all connections are secure and the cooling circuit is unobstructed is vital for long-term service life.

Selection and maintenance guidance

When selecting a replacement, always match the mounting flange and drive gear configuration to the original unit. Consult your authorized distributor.

OE cross-reference

1300 050 006 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 8112851SP1.

Technical Specifications

Technical Specifications
Cylinder BoreØ88.00
Stroke50 mm
Swept Volume608cm³
Air Inlet PortØ29
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Air Unloader PortM22x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK

Other OEMs

KNORR-BREMSE

  • K000237ES SP1
  • LP4960 SP1
  • K000237X00 SP1
  • K000237V SP1
  • K000237C57 SP1
  • K000237000 SP1
  • II30899ATV SP1
  • II30899 SP1

VOLVO

  • 85000065 SP1
  • 8157550 SP1
  • 81128514 SP1
  • 8112851 SP1
  • 20442353 SP1

Related Products

Repair Kits

Similar Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B12 D12A
VOLVO F10 TD102
VOLVO F12 TD122
VOLVO FH12 D12A
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO NH12 D12A
VOLVO NL10 D10A
VOLVO NL12 D12A

FAQ

What is the primary function of this twin cylinder compressor?
It generates compressed air for the vehicle's braking system using two cylinders to provide higher air volume and faster reservoir filling than single-cylinder units.
Is this compressor compatible with Volvo B12 engines?
Yes, this unit is designed specifically for Volvo B12 models equipped with the D12A engine.
What type of cooling does this unit require?
This is a water-cooled unit, utilizing M16x1,5 inlet and outlet ports to manage operating temperatures.
Can I install this in place of a different compressor model?
Replacement should only be done if the drive gear, mounting flange, and all port sizes match the original OE specification exactly.
What are the OE reference numbers of this part?
1300 050 006 directly replaces Volvo OE number 8112851SP1.