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  Milwaukee 4270-1 (SER 300-1121) 3/4" Electric Drill Parts
Milwaukee 3/4" Electric Drill Replacement For Model 4270-1 (SER 300-1121)

Milwaukee 3/4" Electric Drill Replacement Parts For Model 4270-1 (SER 300-1121)

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Find Milwaukee 4270-1 (SER 300-1121) Parts By Symptom

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Popular Parts for Milwaukee 4270-1 (SER 300-1121)

Questions & Answers for Milwaukee 4270-1 (SER 300-1121)

Page A
Milwaukee 4270-1 (SER 300-1121) 3/4" 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
.75x1.0x.62 Fc Csd
 $12.57

Part Number:02-50-4820

In Stock

In Stock
 $12.57
In Stock
 $12.57
3
Diaphragm - Includes: Obsolete - Not Available
 $36.15

Part Number:28-28-0301

Discontinued

Discontinued
 $36.15
Discontinued
4
115 Volt Field Obsolete - Not Available
 $2.99

Part Number:18-82-1180

Discontinued

Discontinued
 $2.99
Discontinued
5
Armature Assembly Obsolete - Not Available
 $2.99

Part Number:16-82-1091

Discontinued

Discontinued
 $2.99
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
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
16
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
17
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
18
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
19
Ball Bearing
 $4.99

Part Number:02-04-1210

In Stock

In Stock
 $4.99
In Stock
 $4.99
20
Intermediate Shaft Obsolete - Not Available
 $18.20

Part Number:36-66-1301

Discontinued

Discontinued
 $18.20
Discontinued
21
Ball Bearing
 $5.11

Part Number:02-04-0820

In Stock

In Stock
 $5.11
In Stock
 $5.11
22
Spindle Spacer
 $21.23

Part Number:45-36-0080

In Stock

In Stock
 $21.23
In Stock
 $21.23
23
Retaining Ring
 $4.99

Part Number:34-80-3800

In Stock

In Stock
 $4.99
In Stock
 $4.99
24
25x52x20.6 Ball Brg 2 Se
 $43.18

Part Number:02-04-2200

In Stock

In Stock
 $43.18
In Stock
 $43.18
25
Gear Case
 $225.16

Part Number:28-14-0091

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $225.16
Usually ships in 7 - 12 business days
 $225.16
26
Spindle Gear
 $59.16

Part Number:32-75-1261

In Stock

In Stock
 $59.16
In Stock
 $59.16
27
No.2 Morse Taper Spindle Obsolete - Not Available
 $2.99

Part Number:38-50-4201

Discontinued

Discontinued
 $2.99
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
Plug Obsolete - Not Available
 $2.99

Part Number:22-56-0210

Discontinued

Discontinued
 $2.99
Discontinued
 Fig #
Drill Parts  Electric Drill Parts

Repair Guides for Milwaukee 3/4" Electric Drill 4270-1 (SER 300-1121)

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 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.

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 4270-1 (SER 300-1121)


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 4270-1 (SER 300-1121)

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