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  Milwaukee 4280-1 (SER 301-1001) 1-1/4" Electric Drill Parts
Milwaukee 1-1/4" Electric Drill Replacement For Model 4280-1 (SER 301-1001)

Milwaukee 1-1/4" Electric Drill Replacement Parts For Model 4280-1 (SER 301-1001)

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Find Milwaukee 4280-1 (SER 301-1001) Parts By Symptom

Choose a symptom to view parts that fix it.


Popular Parts for Milwaukee 4280-1 (SER 301-1001)

Questions & Answers for Milwaukee 4280-1 (SER 301-1001)

Page A
Milwaukee 4280-1 (SER 301-1001) 1-1/4" Electric Drill Page A Diagram
 Fig #
1
11X32X12.7 Ball BRG 1 Se Obsolete - Not Available
 $17.96

Part Number:02-04-1140

Discontinued

Discontinued
 $17.96
Discontinued
2
Ball Bearing Retaining Slug
 $3.99

Part Number:45-30-0070

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
Diaphragm Obsolete - Not Available
 $2.99

Part Number:28-28-1181

Discontinued

Discontinued
 $2.99
Discontinued
4
115 Volt Field Obsolete - Not Available
 $56.03

Part Number:18-82-1070

Discontinued

Discontinued
 $56.03
Discontinued
5
115 Volt Rev. Armature Obsolete - Not Available
 $102.42

Part Number:16-82-1231

Discontinued

Discontinued
 $102.42
Discontinued
6
3/8" Straight Connector Obsolete - Not Available
 $2.99

Part Number:22-56-0060

Discontinued

Discontinued
 $2.99
Discontinued
8
Cord (4-Wire) Obsolete - Not Available
 $2.99

Part Number:22-60-2200

Discontinued

Discontinued
 $2.99
Discontinued
9
Ball Bearing Obsolete - Not Available
 $17.00

Part Number:02-04-1070

Discontinued

Discontinued
 $17.00
Discontinued
10
Brush Holder Obsolete - Not Available
 $10.65

Part Number:22-22-1015

Discontinued

Discontinued
 $10.65
Discontinued
11
Brush Retaining Screw Obsolete - Not Available
 $3.23

Part Number:23-44-0030

Discontinued

Discontinued
 $3.23
Discontinued
12
Carbon Brush Obsolete - Not Available
 $2.99

Part Number:22-18-0055

Discontinued

Discontinued
 $2.99
Discontinued
13
Cover Plate Obsolete - Not Available
 $2.99

Part Number:44-66-0180

Discontinued

Discontinued
 $2.99
Discontinued
14
Motor Housing Assembly Obsolete - Not Available
 $2.99

Part Number:28-50-4122

Discontinued

Discontinued
 $2.99
Discontinued
15
Intermediate Gear
 $24.85

Part Number:32-42-1201

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $24.85
Usually ships in 7 - 12 business days
 $24.85
16
Pinion Shaft
 $50.11

Part Number:36-66-1251

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $50.11
Usually ships in 7 - 12 business days
 $50.11
17
Ball Bearing
 $5.11

Part Number:02-04-0910

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.11
Usually ships in 7 - 12 business days
 $5.11
18
Ball Bearing
 $4.99

Part Number:02-04-1210

In Stock

In Stock
 $4.99
In Stock
 $4.99
19
Pinion Shaft
 $49.00

Part Number:36-66-0571

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $49.00
Usually ships in 7 - 12 business days
 $49.00
20
Taper Socket Cap
 $44.25

Part Number:42-52-0050

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $44.25
Usually ships in 7 - 12 business days
 $44.25
21
Oil Seal Obsolete - Not Available
 $10.30

Part Number:45-06-0080

Discontinued

Discontinued
 $10.30
Discontinued
22
Taper Socket
 $137.61

Part Number:45-34-0115

In Stock

In Stock
 $137.61
In Stock
 $137.61
23
1.50X2.06X1.25 CD Opn Obsolete - Not Available
 $21.31

Part Number:02-50-9640

Discontinued

Discontinued
 $21.31
Discontinued
24
Gear Case Obsolete - Not Available
 $106.73

Part Number:28-14-0082

Discontinued

Discontinued
 $106.73
Discontinued
25
Thrust Bearing
 $41.43

Part Number:42-24-0070

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $41.43
Usually ships in 7 - 12 business days
 $41.43
26
Spindle Gear
 $59.16

Part Number:32-75-1261

In Stock

In Stock
 $59.16
In Stock
 $59.16
27
Spindle Obsolete - Not Available
 $91.22

Part Number:38-50-0701

Discontinued

Discontinued
 $91.22
Discontinued
28
Intermediate Gear
 $32.09

Part Number:32-44-1141

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.09
Usually ships in 7 - 12 business days
 $32.09
29
Ball Bearing Obsolete - Not Available
 $31.37

Part Number:02-20-1720

Discontinued

Discontinued
 $31.37
Discontinued
30
Ball Bearing
 $4.99

Part Number:02-04-1020

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
 Fig #
Drill Parts  Electric Drill Parts

Repair Guides for Milwaukee 1-1/4" Electric Drill 4280-1 (SER 301-1001)

Power Switch Repair 101

This article is a 101 repair guide for power tool switch replacements, explaining the general steps involved in replacing a switch assembly.

Tool Diagnosis: Is it the Brushes or the Switch?

This article describes the differences between power switch and carbon brush failure symptoms.

How to Remove a Drill Chuck

This video explains steps for how to remove threaded-on chucks and taper-fit drill chucks, as well as steps for removing a spindle from an open-center chuck.

Power Tool Care and Maintenance 101

This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.

Accessories for Milwaukee 4280-1 (SER 301-1001)


Adapters & Extensions
See more Adapters & Extensions
Screwdriver Bits
37 Piece Screwdriver Bit Set
37 Piece Screwdriver Bit Set
$48.22
Screwdriver Bit
Screwdriver Bit
$4.99
See more Screwdriver Bits
Standard Drill Bits
See more Standard Drill Bits
Hole Saws
1-1/4 Hole Saw - 5/8-18 Thre
1-1/4 Hole Saw - 5/8-18 Thre
$15.32
2 Hole Saw - 5/8-18 Thread
2 Hole Saw - 5/8-18 Thread
$20.23
3-1/2 Hole Saw - 5/8-18 Thre
3-1/2 Hole Saw - 5/8-18 Thre
$27.41
See more Hole Saws
View More

Questions & Answers for Milwaukee 4280-1 (SER 301-1001)

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