Hella Vacuum Pump, braking system UP28 12V 2-pin connector Electric 8TG 009 428-087

Application: Electric vacuum pumps from HELLA are used to support or solely generate the vacuum for the pneumatic brake boosting system. Under certain driving conditions or depending on the engine design, insufficient or no vacuum can be provided to the brake booster via the intake manifold of an internal combustion engine. The UP 28 variant can support the system by generating an additional vacuum (support application) The UP 5.0 and UP 30 can provide the pneumatic vacuum supply alone (stand alone application). In this case, the pump acts as the sole source of vacuum and ensures sufficient supply for the brake booster and any auxiliary consumers. Structure and function: The operation of the vacuum pumps is based on the rotary vane compression principle. The pump contains a rotor that is eccentric to the pump chamber. The slides embedded in the rotor slide along the inner wall of the pump chamber. Rotation continuously compresses the volume enclosed by the slides. This change in cell volume causes a vacuum with the effect that air is drawn in from the brake booster via the pneumatic line system of the brake system by the vacuum pump.

UP 28 - with engine compartment connector

Applicable to all engine concepts, such as electric motors and hybrid drives

HELLA is the market leader and has more than 10 years of experience in the development and manufacture of electric vacuum pumps

with damping

OE References: OE references: FAW 3510060MG; GENERAL MOTORS 20 803 252; GENERAL MOTORS 22 819 443; GENERAL MOTORS 25 908 670; MCLAREN 11H0280CP; VOLVO 3 131 744 5; VOLVO 31201707; VOLVO 31317530

Part Number: 8TG 009 428-087

Reference OEM Numbers

VOLVO : 31201707
VOLVO : 3 131 744 5
VOLVO : 31317530
GM : 20 803 252
GM : 22 819 443
GM : 25 908 670Part Specifications

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