2025 © Allparts Equipment & Accessories. All Rights Reserved.
421-1102 KU Series Air Compressor Pump - Cast Iron
Reference Item Only
Part Number
421-1102
The 421-1102 is a blue Jenny air pump that can be used on most Jenny air compressor models.
This Jenny air pump comes pre-equipped with the flywheel and air intake filter assembly already installed.
With a built-in unloader, the 421-1102 air pump supports constant-use applications and constant-use air compressors.
Air compressor pump 421-1102 is compatible with 5, 5.5, 6, and 6.5 HP gas air compressors. This pump also supports 1 to 2 HP electric air compressors as well.
Pump Specifications
Air Flow: 8.5 CFM
Minimum Speed: 500 RPM
Maximum Speed: 1100 RPM
Bore Size: 2 1/2 in.
Stroke Size: 2 in.
Flywheel Size: 10 3/8 in.
A Section Belt Grove: 1/2 in. NPT Ex. Port
Unloader Port: 1/8 NPT
Dimensions
Pump Height: 13 3/4 in.
Pump Width: 11 1/8 in.
Pump Depth: 10 in.
Weight: ~50 lbs.
Stroke Size: 2 in.
Sheave Size: 6.32 in. @ 1725 RPM
Bore Diameter: 2 in.
Flywheel Diameter: 10 1/8 in.
NPT Outlet Size: 1/2 in.
Service Notice
This air compressor pump may have different variations depending on the when the pump was manufactured. This will be reflected in the serial number on the pump.
- If the serial number ends with an "F", that indicates its an old style pump.
- If the serial number ends with a "G", that indicates its a new style pump.
The 421-1102 matches the old style of the blue Jenny air compressor pump.
We always recommend checking your pump's serial number before ordering a replacement. For assistance or questions regarding which style of this pump you need to order, our customer service team is always ready to assist.
Used on the following related model numbers.
Emglo Models
- K11HGA 17P 3000W
- K15A 15P CRC DVS
- K15A 15P CRC
- K15A 15P CRC SW3
- K15A 15P DCS DVS
- K15A 15P DCS
- K15A 17P CRC DVS
- K15A 17P CRC
- K15A 17P CRC SW3
- K15A 17P DCS DVS
- K15A 17P DCS
- K15A 17P SSC DVS
- K15A 17P SSC
- K15A 30P CRC DVS
- K15A 30P CRC
- K15A 30P CRC SW3
- K15A 30P DCS DVS
- K15A 30P DCS
- K15A 8P CRC DVS
- K15A 8P CRC
- K15A 8P CRC SW3
- K15A 8P DCS DVS
- K15A 8P DCS
- K1A 15P CRC DVS
- K1A 15P CRC
- K1A 15P CRC SW3
- K1A 15P DCS DVS
- K1A 15P DCS
- K1A 17P CRC DVS
Write Your Own Review
This air compressor pump may have different variations depending on the when the pump was manufactured. This will be reflected in the serial number on the pump.
If the serial number ends with an "F", that indicates its an old style pump.
If the serial number ends with a "G", that indicates its a new style pump.
The 421-1102 matches the old style of the blue Jenny air compressor pump.
We always recommend checking your pump's serial number before ordering a replacement. For assistance or questions regarding which style of this pump you need to order, our customer service team is always ready to assist.
No