3142 Views Updated 27 September 2026

8112851 SP1 Compatible Twin Cylinder Compressor — Volvo

1300 050 006

Summary

This water-cooled twin cylinder compressor is designed for Volvo FL10 trucks with TD103 engines. Featuring an Ø88.00 cylinder bore, 50 mm stroke, and M26x1,5 air outlet port, it ensures reliable air pressure for heavy-duty braking systems. Equivalent to OE Volvo 8112851SP1.

Product identifiers
EAN Code	8699031049809

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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 pneumatic brake system, providing the necessary compressed air for safe vehicle operation. Built with high-strength components, it is engineered to withstand the rigorous thermal and mechanical demands of heavy commercial vehicle applications.

Compatible vehicles and engines

This specific unit is designed for Volvo FL10 trucks equipped with TD103 engines. It features a water-cooled design to maintain thermal stability during long hauls, utilizing an M16x1,5 water inlet and outlet port configuration. The unit includes an ESS feature and a water-cooled valve plate to optimize air production efficiency.

Installation and maintenance

For technicians performing installation or maintenance, ensure the drive gear and mounting interface match the original equipment exactly. This unit features an Ø88.00 cylinder bore, a 50 mm stroke, and an M26x1,5 air outlet port. Proper connection to the engine's coolant circuit is essential for maintaining stable operating temperatures.

Selection guidance

Always verify that the replacement unit matches the removed component's specifications regarding port sizes and drive type to ensure seamless integration into the vehicle's pneumatic system.

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 Bore	Ø88.00
Stroke	50 mm
Swept Volume	608cm³
Air Inlet Port	Ø29
Air Outlet Port	M26x1,5
Number of Cylinders	2
Through Drive	OK
Air Unloader Port	M22x1,5
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

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

Compatible Vehicles

Compatible Vehicles
Brand	Model	Engine
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

Can I replace a single-cylinder compressor with this twin-cylinder model?

Replacement is only possible if the vehicle manufacturer specifies a twin-cylinder variant for that specific engine. You must ensure the drive gear, mounting flange, and port locations match exactly.

What type of cooling does this compressor use?

This is a water-cooled unit designed to connect to the engine's coolant circuit, which helps maintain thermal stability during sustained high demand.

How can I ensure this part fits my truck?

Selection should not rely on the vehicle model alone. It is vital to check the removed unit's identification tag and verify technical specs like port sizes and bore diameter.

What are the key technical specifications of this unit?

This unit features a Ø88.00 cylinder bore, a 50 mm stroke, an M26x1,5 air outlet port, and an M22x1,5 air unloader port.

What are the OE reference numbers of this part?

1300 050 006 directly replaces Volvo OE number 8112851SP1.