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Ingersoll Rand 3445MAX Air Grinder

Ingersoll Rand 3445MAX Air Grinder Parts

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Popular Parts for 3445MAX

Page A
 Fig #
Miscellaneous Parts
 Fig #
1
Inlet Bushing Assembly
 $13.17

Part Number:MG1-A465

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.17
Usually ships in 7 - 12 business days
 $13.17
2
Inlet Seal
 $3.99

Part Number:45635141

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
3
Rear Exhaust Diffuser
 $11.97

Part Number:MG1-123

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $11.97
Usually ships in 7 - 12 business days
 $11.97
4
Rear Exhaust Diffuser Muffler
 $5.39

Part Number:MG1-311

In Stock

In Stock
 $5.39
In Stock
 $5.39
5
Housing Sleeve Assembly
 $5.39

Part Number:MG1-A747

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.39
Usually ships in 7 - 12 business days
 $5.39
6
Warning Label
 $4.79

Part Number:MG1-99

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.79
Usually ships in 7 - 12 business days
 $4.79
7
Model Label
 $3.59

Part Number:3445MAX-300

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.59
Usually ships in 7 - 12 business days
 $3.59
8
Housing Sleeve Trim
 $2.99

Part Number:MG1-747T1

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $2.99
Usually ships in 7 - 12 business days
 $2.99
9
Ball Valve Spring
 $3.99

Part Number:MG1-51

In Stock

In Stock
 $3.99
In Stock
 $3.99
10
Ball
 $6.11

Part Number:D10-280

In Stock

In Stock
 $6.11
In Stock
 $6.11
11
Motor Housing O-ring
 $3.99

Part Number:45631025

In Stock

In Stock
 $3.99
In Stock
 $3.99
12
Throttle Pin
 $4.27

Part Number:MG1-161

In Stock

In Stock
 $4.27
In Stock
 $4.27
13
Throttle Pin O-ring
 $3.99

Part Number:45635125

In Stock

In Stock
 $3.99
In Stock
 $3.99
14
Pin
 $3.99

Part Number:RG1-120

In Stock

In Stock
 $3.99
In Stock
 $3.99
15
Lever Assembly
 $23.21

Part Number:RG1-A400

In Stock

In Stock
 $23.21
In Stock
 $23.21
16
Motor Housing Assembly
 $73.27

Part Number:MG1-A40

In Stock

In Stock
 $73.27
In Stock
 $73.27
17
Controller Assembly
 $61.06

Part Number:MG1-A424

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $61.06
Usually ships in 7 - 12 business days
 $61.06
18
Rear Rotor Bearing
 $5.50

Part Number:MG1-127

In Stock

In Stock
 $5.50
In Stock
 $5.50
19
Wave Spring
 $4.27

Part Number:GS25-250

In Stock

In Stock
 $4.27
In Stock
 $4.27
20
Roll Pin
 $3.99

Part Number:45626959

In Stock

In Stock
 $3.99
In Stock
 $3.99
21
Rar End Plate
 $10.77

Part Number:MG1-12

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.77
Usually ships in 7 - 12 business days
 $10.77
22
Vane Pack 4
 $15.87

Part Number:MG1-42-4

In Stock

In Stock
 $15.87
In Stock
 $15.87
23
Rotor
 $71.83

Part Number:MG1-53-4

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $71.83
Usually ships in 7 - 12 business days
 $71.83
24
Motor Spacer
 $4.79

Part Number:MG1-65

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.79
Usually ships in 7 - 12 business days
 $4.79
25
Cylinder
 $52.67

Part Number:MG1-3

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $52.67
Usually ships in 7 - 12 business days
 $52.67
26
Front End Plate
 $5.39

Part Number:MG1-11

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.39
Usually ships in 7 - 12 business days
 $5.39
27
Front Rotor Bearing
 $7.32

Part Number:MG1-24

In Stock

In Stock
 $7.32
In Stock
 $7.32
28
Bevel Pinion And Bevel Gear Se
 $143.66

Part Number:LA2-A552-1.3

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $143.66
Usually ships in 7 - 12 business days
 $143.66
29
Clamp Nut
 $13.43

Part Number:MG1-27

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.43
Usually ships in 7 - 12 business days
 $13.43
30
Handle
 $10.38

Part Number:MG1-48

In Stock

In Stock
 $10.38
In Stock
 $10.38
31
Angle Housing Assembly
 $73.27

Part Number:MG1-A550

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $73.27
Usually ships in 7 - 12 business days
 $73.27
32
Needle Bearing
 $7.32

Part Number:MG1-693

In Stock

In Stock
 $7.32
In Stock
 $7.32
33
Wick
 $3.59

Part Number:LA2-561

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.59
Usually ships in 7 - 12 business days
 $3.59
34
Arbor Bearing
 $7.32

Part Number:MG1-593

In Stock

In Stock
 $7.32
In Stock
 $7.32
35
Arbor
 $59.86

Part Number:MG1-4

In Stock

In Stock
 $59.86
In Stock
 $59.86
35A
Retaining Ring
 $3.99

Part Number:45669389

In Stock

In Stock
 $3.99
In Stock
 $3.99
36
Bearing Retainer
 $7.18

Part Number:MG1-531

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.18
Usually ships in 7 - 12 business days
 $7.18
37
Wheel Guard Assembly
 $45.18

Part Number:MG1-A106-45

In Stock

In Stock
 $45.18
In Stock
 $45.18
38
Guard Warning Label
 $4.79

Part Number:MG1-99G

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.79
Usually ships in 7 - 12 business days
 $4.79
39
Guard Mounting Screw 3 Obsolete - Not Available
 $4.19

Part Number:16610875

Discontinued

Discontinued
 $4.19
Discontinued
39A
Guard Screw Retaining Grommet
 $2.99

Part Number:MG1-86

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $2.99
Usually ships in 7 - 12 business days
 $2.99
40
Wheel Spacer
 $3.99

Part Number:MG1-339

In Stock

In Stock
 $3.99
In Stock
 $3.99
41
Wheel Flange
 $9.77

Part Number:MG1-337

In Stock

In Stock
 $9.77
In Stock
 $9.77
42
Flange Nut
 $5.50

Part Number:MG1-338

In Stock

In Stock
 $5.50
In Stock
 $5.50
43
Wheel Retaining Screw Washer
 $18.32

Part Number:LG2-218

In Stock

In Stock
 $18.32
In Stock
 $18.32
44
Wheel Retaining Screw
 $3.99

Part Number:LG2-219M

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
45
Flange Nut Wrench
 $34.19

Part Number:AG3-26M

In Stock

In Stock
 $34.19
In Stock
 $34.19
46
Clamp Nut And Wheel Flange Wre
 $14.66

Part Number:MG1-253

In Stock

In Stock
 $14.66
In Stock
 $14.66
47
Arbor Wrench
 $3.99

Part Number:AG230-340M

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
48
Wheel Retaining Screw Wrench
 $2.99

Part Number:AG2-562

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $2.99
Usually ships in 7 - 12 business days
 $2.99
49
Controller Wrench
 $3.59

Part Number:112915

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.59
Usually ships in 7 - 12 business days
 $3.59
50
Piped Away Exhaust Assembly
 $18.20

Part Number:MG1-K284

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $18.20
Usually ships in 7 - 12 business days
 $18.20
Grinder Parts

Repair Guides for 3445MAX

Power Tool Care and Maintenance 101

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Questions & Answers for 3445MAX


In response to your response to my question..... no, nothing turns when the lever is pressed. The grinder will move freely if you turn it by hand. The shaft gear is connected to the angle part fine and it will all spin fine if you turn the grinding wheel by hand, therefore it isn't locked up or anything like that. The problem is that the air is not making it spin. When you press the lever, the air passes right through and back out of the exhaust. It's as though the air is not making it to the vanes and that chamber to make the shaft spin. Do you know what makes this possible? Is there an o-ring or seal that is allowing the air to bypass the chamber/vanes and exit back out of the exhaust? I have two identical grinders doing the exact same thing and would like to buy the correct parts the first time...thank you kindly.
Steven for model number Ingersol Rand 3445 Max asked on 2023-03-25
Hello Steven, thank you for your writing. A die grinder also won't spin if it isn't getting sufficient air from the compressor. I probably has one of the blades of the vane "stuck", just put a few drops of oil in it and blow it through. We hope this helps.
eReplacementParts Team March 25, 2023
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