AIR COMPRESSOR PUMP ASSEMBLY KU SERIES WITH UNLOADER HEAD
AIR COMPRESSOR PUMP ASSEMBLY KU SERIES WITH UNLOADER HEAD

KU AIR COMPRESSOR PUMP ASSEMBLY KU SERIES WITH UNLOADER HEAD

In stock
Part Number
KU
$680.65
Part Number: KU
Brand: JENNY
Shipping Weight: 65 Lbs

KU Series Jenny Emglo Complete Replacement Air Compressor Pump with Flywheel and Unloader Head for constant run applications.


This pump is equipped with a flywheel and intake filter as standard equipment.


All Jenny and Emglo replacement pumps are Cast Iron construction made in the USA pumps.


Emglo and Jenny KU Air Compressor Pump with Head Unloaders, Single Stage for 1-2hp Applications - 421-1102


The KU compressor pump is a common pump used on several of the Jenny and Emglo air compressor models. These are most commonly seen in climate control and fire supression applications. The KU pump includes built in head unloaders for constant run applications.


These single stage piston compressor pumps were originally manufactured by Emglo Air Compressors. After Emglo was purchased by DeWalt, Jenny Air Compressors continued manufacturing this pump. The original Emglo part number was KU, the internal Jenny part number is 421-1102 and the internal DeWalt part numbers were Z-A16622 and 5133354-00.


If you are replacing an existing KU pump we recommend confirming your serial number prior to ordering. There are two different versions of this pump depending on when it was manufactured. This specific bare pump is for their 'newer style' models.

  • Old style pumps have a serial number that will start with the letter F. The internal Jenny part number for the old style pump is 421-1102.
  • New style KU pumps start with the letter G.
Please contact us for pricing and availability if you have additional questions or need help with ordering the correct pump.


The Jenny KU bare pump is not shipped with oil. We recommend purchasing a quart of their Ultimate Blue Compressor Oil. A flywheel is included with the purchase of the KU bare compressor pump.


KU Air Compressor Pump Specifications:

Minimum Horsepower 1 hp, 2 hp

Number of Stages: 1

Lubrication Type: Splash Lubricated

Number of Cylinders: 2

Max. Pressure: 150 psi

Free Air CFM @ Max. Pressure: 6.7

Flywheel Dia.: 10 1/8 in

Pump RPM: 1,200

NPT Outlet: 1/2 in

Groove Quantity: 1

Oil Capacity: 32 oz

Finish: Powder Coated

Valve Type: Disc

Overall Height: 13 3/4 in

Bore Dia.: 2 1/2 in

Rotation: CW

Overall Depth: 10 in

Sheave Size @ 1725 RPM: 6 21/64 in

Flywheel Included: Yes

Valve Material: Stainless Steel

Mounting Pattern: 5-7/8 in W x 5-3/4 in D

Groove Section: A 3/8

Overall Width: 11 1/8 in

Stroke Length: 1 29/32 in

Construction: Cast iron

Lubrication Required: Yes

Outlet Connection Type: NPT

Maximum Operating Pressure: 150 psi

Cylinder Material: Cast Iron

Outlet Size: 0.5 in

Free Air Flow Rate @ Maximum Pressure: 6.7 cfm @ 150 psi

Number of Grooves: 1

Compressor Type: Piston

Flywheel Diameter: 10 1/8 in

Bore Diameter: 2.5 in

Pump Speed: 1,200 RPM

Need Help? Call us:

1-269-685-4123

Emglo and Jenny KU Air Compressor Pump with Head Unloaders, Single Stage for 1-2hp Applications - 421-1102

The KU compressor pump is a common pump used on several of the Jenny and Emglo air compressor models. These are most commonly seen in climate control and fire supression applications. The KU pump includes built in head unloaders for constant run applications.

These single stage piston compressor pumps were originally manufactured by Emglo Air Compressors. After Emglo was purchased by DeWalt, Jenny Air Compressors continued manufacturing this pump. The original Emglo part number was KU, the internal Jenny part number is 421-1102 and the internal DeWalt part numbers were Z-A16622 and 5133354-00.

If you are replacing an existing KU pump we would recommend confirming your serial number prior to ordering. There are two different versions of this pump depending on when it was manufactured. This specific bare pump is for their 'older style' models which are the most common. Old style pumps have a serial number that will start with the letter F. New style KU pumps start with the letter G. The internal Jenny part number for the old style pump is 421-1102 which is this product. Please contact us for pricing and availability if you have a serial number that starts with the letter G.

The Jenny KU bare pump is not shipped with oil. We recommend purchasing a quart of their Ultimate Blue Compressor Oil A flywheel is included with the purchase of the KU bare compressor pump.

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DeWalt Z-A16622, DeWalt 5133354-00.