IRFB412 (Type 0) DeVilbiss Compressor - Overview

Diagrams for IRFB412

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Strip Rubber Foot – Part Number: SUDL-6-1
No Longer Available
Strip Rubber Foot
Part #SUDL-6-1
Nut .375-16 UNC-2B H – Part Number: SSF-8080-ZN
No Longer Available
Nut .375-16 UNC-2B H
Part #SSF-8080-ZN
Gauge Left Hand – Part Number: Z-AC-0010-1
No Longer Available
Gauge Left Hand
Part #Z-AC-0010-1
Sleeve Silicone – Part Number: CAC-1120
No Longer Available
Sleeve Silicone
Part #CAC-1120
Eccentric Bearing Assembly – Part Number: Z-AC-0140
No Longer Available
Eccentric Bearing Assembly
Part #Z-AC-0140
This kit includes genuine OEM replacement parts and is compatible with various Porter Cable, DeVilbiss, and Black & Decker compressors. It includes eccentric bearing and screw. The bearing is sealed on both sides. The screw has a slotted hex-head.
Gauge Right Hand – Part Number: AC-0009-1
No Longer Available
Gauge Right Hand
Part #AC-0009-1
Head 3/8 Outlet Front – Part Number: AC-0037
No Longer Available
Head 3/8 Outlet Front
Part #AC-0037
Shroud Mini – Part Number: AC-0376
No Longer Available
Shroud Mini
Part #AC-0376
This is an authentic Porter Cable replacement part that has been sourced from the original manufacturer to be used with air compressors. The durable plastic shroud is used to house and protect the pump assembly. This item is available as an individual replacement part.
DRAIN VALVE – Part Number: N286039
$12.20
Special Order
DRAIN VALVE
Part #N286039
When using an air compressor, moisture naturally builds up inside the tank as air is compressed. If this water isn’t drained regularly, it can lead to internal rust and damage over time. That’s where the drain valve comes in—it allows you to release the built-up water and keep your tank in good condition. Located at the bottom of the tank, this valve should be opened after each use to prevent corrosion and extend the life of your compressor. If you tend to leave air in the tank for long periods, water accumulation can be even more significant. This replacement drain valve features a thread size of 18 TPI and is sold individually. Regular maintenance with a working drain valve helps ensure safe and efficient compressor operation.
VALVE SAFETY 150 .12 – Part Number: 97503734
$16.13
Special Order
VALVE SAFETY 150 .12
Part #97503734
This safety valve is a genuine replacement part manufactured for use with air compressors. If the compressor's pressure switch malfunctions and does not turn the motor off when the amount of pressure is met, the safety valve will open to release the extra air pressure. The amount of pressure required to open the safety valve is set by the tension of the spring inside the valve. The spring can wear out, and leave the valve open at a lower pressure than what is set to turn the switch off, and will not allow pressure to build inside the tank. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component. Keep in mind this high-quality part is made of durable metal and is sold individually.
ISOLATOR 3 POINT MOU – Part Number: ACG-19
$7.44
Special Order
ISOLATOR 3 POINT MOU
Part #ACG-19
ADAPTER .25 NPT X .2 – Part Number: D26889
No Longer Available
ADAPTER .25 NPT X .2
Part #D26889
This is an OEM part sourced directly from the manufacturer. The adapter is designed for use in compressors from DeVilbiss, Black & Decker, Delta, and Porter Cable. This part is made of metal, and may be used to connect the regulator to the tank. You will require a wrench when replacing this part. This item is sold individually.

Common Symptoms of the IRFB412

How this model fails, and the parts that fix it.

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The air was bypassing the compressor gaskets and cylinder wall was worn out
18 of 24 people found this instruction helpful.
  • Charles from GARRISON, TX
  • Easy
  • 30 - 60 mins
  • Screw drivers, Socket set
1 remove cover
2 unhook air line to tank
3 remove head bolts
4 remove intake from head
5 remove flywheel bolt to free up pump piston
6 remove screw on top of piston to change out gasket
7 remove the cylinder sleeve install piston from the top
8 reassemble piston rod end and the flywheel
9 on th e head cover are two gaskets one on top and one on the bottom head
10 insert intake piece and bolt the head cover back in place
11 reinstall the air line and unit cover and secure with three cover screws
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Can't find this special screw used on many housings etc
4 of 6 people found this instruction helpful.
  • Tim from Tucson, AZ
  • Very Easy
  • 15 - 30 mins
Actually don't like using Torx bits because they are hard to center deep in the channel. I had misplaced these forcing me to order replacements.
My plan is to insert Torx bits before screwing in and using jb weld to secure the bit to the screw, giving me a hex head. Can't find this special screw with a hex head. This screw is called AGC-408 by craftsman.
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