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Milwaukee 6378 (SER 621-1001) 8-1/4" Worm Drive Circular Saw

Milwaukee 6378 (SER 621-1001) 8-1/4" Worm Drive Circular Saw Parts

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Find 6378_(SER_621-1001) Part By Symptom

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Popular Parts for 6378_(SER_621-1001)

Page A
 Fig #
1
120 Volt Armature Obsolete - Not Available
 $124.47

Part Number:16-70-0172

Discontinued

Discontinued
 $124.47
Discontinued
2
10-24X2-1/2 PN Tapt Tor Obsolete - Not Available
 $2.99

Part Number:06-82-5570

Discontinued

Discontinued
 $2.99
Discontinued
3
120 Volt Field Obsolete - Not Available
 $63.75

Part Number:18-70-0141

Discontinued

Discontinued
 $63.75
Discontinued
4
Ball Bearing
 $4.10

Part Number:02-04-0850

In Stock

In Stock
 $4.10
In Stock
 $4.10
5
Ground Screw Bracket
 $4.76

Part Number:42-36-1220

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.76
Usually ships in 7 - 12 business days
 $4.76
6
Self Tapping Screw Obsolete - Not Available
 $2.99

Part Number:06-95-0110

Discontinued

Discontinued
 $2.99
Discontinued
7
Ground Screw
 $3.99

Part Number:06-81-8820

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
8
Motor Housing Obsolete - Not Available
 $19.27

Part Number:31-50-0220

Discontinued

Discontinued
 $19.27
Discontinued
9
8-32 Hex Nut
 $3.99

Part Number:06-55-0825

In Stock

In Stock
 $3.99
In Stock
 $3.99
10
Service Switch Replacement (NoTrigger Lock) Obsolete - Not Available
 $15.38

Part Number:23-66-1815

Discontinued

Discontinued

Note: New Style Switch. W/O Trigger Lock Button
 $15.38
Discontinued
11
Screw
 $4.99

Part Number:06-82-7252

In Stock

In Stock
 $4.99
In Stock
 $4.99
12
Lock Washer Obsolete - Not Available
 $2.99

Part Number:06-97-1800

Discontinued

Discontinued
 $2.99
Discontinued
13
Left Handle Half Obsolete - Not Available
 $6.11

Part Number:31-44-1105

Discontinued

Discontinued
 $6.11
Discontinued
14
8-32 X 1 Obsolete - Not Available
 $2.99

Part Number:06-82-2362

Discontinued

Discontinued
 $2.99
Discontinued
15
Brush Retaining Screw
 $17.70

Part Number:23-44-0140

In Stock

In Stock
 $17.70
In Stock
 $17.70
16
Carbon Brush
 $17.61

Part Number:22-18-0730

In Stock

In Stock
 $17.61
In Stock
 $17.61
17
Brush Holder Assembly Obsolete - Not Available
 $4.91

Part Number:22-24-0286

Discontinued

Discontinued
 $4.91
Discontinued
18
Taptite Torx Screw
 $4.99

Part Number:06-82-5320

In Stock

In Stock
 $4.99
In Stock
 $4.99
19
Stud Obsolete - Not Available
 $8.08

Part Number:06-92-0761

Discontinued

Discontinued
 $8.08
Discontinued
20
5/16 Flat Washer
 $3.99

Part Number:45-88-8460

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
21
Adjustment Nut
 $4.99

Part Number:44-40-0460

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
22
Lever Obsolete - Not Available
 $3.99

Part Number:44-10-0200

Discontinued

Discontinued
 $3.99
Discontinued
23
Klipring
 $5.09

Part Number:34-60-2330

In Stock

In Stock
 $5.09
In Stock
 $5.09
24
Pivot Pin Obsolete - Not Available
 $2.99

Part Number:44-60-0550

Discontinued

Discontinued
 $2.99
Discontinued
25
8-1/4 Shoe Assy Kit Obsolete - Not Available
 $52.91

Part Number:14-46-1750

Discontinued

Discontinued
 $52.91
Discontinued
26
5/16-18 X 3/4
 $2.99

Part Number:06-10-3195

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
27
Shift Shaft Retaining Ring
 $2.99

Part Number:34-60-0525

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
28
5/16 Flat Washer
 $3.99

Part Number:45-88-8460

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
29
Internal Retaining Ring
 $2.99

Part Number:34-80-2365

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
30
Ball Bearing
 $8.98

Part Number:02-04-1536

In Stock

In Stock
 $8.98
In Stock
 $8.98
31
Worm Spacer Obsolete - Not Available
 $9.42

Part Number:45-36-1010

Discontinued

Discontinued
 $9.42
Discontinued
32
Armature Seal
 $4.66

Part Number:45-06-0280

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.66
Usually ships in 7 - 12 business days
 $4.66
33
Lock Washer
 $2.99

Part Number:06-97-2200

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
34
10-24 Hex Nut
 $2.99

Part Number:06-55-1000

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
35
Gear Case Obsolete - Not Available
 $90.74

Part Number:28-14-1415

Discontinued

Discontinued
 $90.74
Discontinued
36
Top Handle Obsolete - Not Available
 $12.51

Part Number:31-44-0600

Discontinued

Discontinued
 $12.51
Discontinued
37
Taptite Torx Screw
 $4.99

Part Number:06-82-5320

In Stock

In Stock
 $4.99
In Stock
 $4.99
38
10-14 X 1 Pan Hd. Plastite T-
 $2.99

Part Number:06-82-7224

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
39
3/8-16 X 3/4" Washer HD. Hex Screw Obsolete - Not Available
 $2.99

Part Number:06-95-5750

Discontinued

Discontinued
 $2.99
Discontinued
40
Washer Obsolete - Not Available
 $2.99

Part Number:45-88-7475

Discontinued

Discontinued
 $2.99
Discontinued
41
Worm
 $41.61

Part Number:32-91-0115

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $41.61
Usually ships in 7 - 12 business days
 $41.61
42
Spacer
 $2.99

Part Number:45-36-1020

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
43
Ball Bearing
 $5.77

Part Number:02-04-1030

In Stock

In Stock
 $5.77
In Stock
 $5.77
44
Washer
 $3.99

Part Number:45-88-0601

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
Hex Nut Locking 5/16-18 Obsolete - Not Available
 $2.99

Part Number:06-57-5050

Discontinued

Discontinued
 $2.99
Discontinued
46
Gasket Obsolete - Not Available
 $3.99

Part Number:43-44-0240

Discontinued

Discontinued
 $3.99
Discontinued
47
Servicing Lid Obsolete - Not Available
 $2.99

Part Number:31-15-0155

Discontinued

Discontinued
 $2.99
Discontinued
48
Taptite Torx Screw
 $4.99

Part Number:06-82-5320

In Stock

In Stock
 $4.99
In Stock
 $4.99
49
Bumper Obsolete - Not Available
 $2.99

Part Number:42-38-0200

Discontinued

Discontinued
 $2.99
Discontinued
50
Bumper Washer Obsolete - Not Available
 $2.99

Part Number:45-88-7700

Discontinued

Discontinued
 $2.99
Discontinued
51
Screw
 $4.99

Part Number:06-82-7252

In Stock

In Stock
 $4.99
In Stock
 $4.99
52
Taptite Torx Screw
 $4.99

Part Number:06-82-5320

In Stock

In Stock
 $4.99
In Stock
 $4.99
53
8-32 X 7/8 Pan Hd. T-20
 $2.99

Part Number:06-82-5348

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
54
Spring Replacement Kit Obsolete - Not Available
 $11.70

Part Number:14-46-1215

Discontinued

Discontinued
 $11.70
Discontinued
55
Taptite Torx Screw
 $4.99

Part Number:06-82-5320

In Stock

In Stock
 $4.99
In Stock
 $4.99
56
8-1/4 In Upper Guard Obsolete - Not Available
 $28.24

Part Number:28-41-0681

Discontinued

Discontinued
 $28.24
Discontinued
57
Guard Cover Pc
 $15.66

Part Number:25-20-4737

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $15.66
Usually ships in 7 - 12 business days
 $15.66
58
Needle Bearing
 $5.09

Part Number:02-50-2423

In Stock

In Stock
 $5.09
In Stock
 $5.09
59
Worm Gear Obsolete - Not Available
 $14.55

Part Number:32-90-0106

Discontinued

Discontinued
 $14.55
Discontinued
60
8-32 X 7/8 Pan Hd. T-20
 $2.99

Part Number:06-82-5348

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
61
Spindle Obsolete - Not Available
 $2.99

Part Number:38-50-5190

Discontinued

Discontinued
 $2.99
Discontinued
62
Spindle Seal Obsolete - Not Available
 $5.41

Part Number:45-06-0260

Discontinued

Discontinued
 $5.41
Discontinued
63
Internal Retaining Ring
 $4.99

Part Number:34-80-2960

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
64
Bearing
 $8.09

Part Number:02-04-1745

In Stock

In Stock
 $8.09
In Stock
 $8.09
65
Guard Hub Obsolete - Not Available
 $29.75

Part Number:43-78-0270

Discontinued

Discontinued
 $29.75
Discontinued
66
O-Ring Obsolete - Not Available
 $3.99

Part Number:34-40-2120

Discontinued

Discontinued
 $3.99
Discontinued
67
8-1/4 In Lower Guard Obsolete - Not Available
 $21.01

Part Number:28-41-0690

Discontinued

Discontinued
 $21.01
Discontinued
68
Retaining Ring
 $2.99

Part Number:34-60-2150

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
69
Lower Guard Handle Obsolete - Not Available
 $4.55

Part Number:43-62-0710

Discontinued

Discontinued
 $4.55
Discontinued
70
Screw
 $4.99

Part Number:06-82-7252

In Stock

In Stock
 $4.99
In Stock
 $4.99
71
Inner Flange Obsolete - Not Available
 $26.15

Part Number:43-34-0265

Discontinued

Discontinued
 $26.15
Discontinued
73
outer flange Obsolete - Not Available
 $2.99

Part Number:43-34-0300

Discontinued

Discontinued
 $2.99
Discontinued
74
3/8-24 L.H. Blade Screw Obsolete - Not Available
 $3.99

Part Number:06-75-0473

Discontinued

Discontinued
 $3.99
Discontinued
75
Stud Obsolete - Not Available
 $2.99

Part Number:06-92-2520

Discontinued

Discontinued
 $2.99
Discontinued
76
Cord Set 120 16 3 S 9 Obsolete - Not Available
 $33.15

Part Number:22-64-0126

Discontinued

Discontinued
 $33.15
Discontinued
77
Service Nameplate Kit
 $5.27

Part Number:12-20-0630

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.27
Usually ships in 7 - 12 business days
 $5.27
78
Caution Label Obsolete - Not Available
 $2.99

Part Number:12-98-7082

Discontinued

Discontinued
 $2.99
Discontinued
79
9/16 Utility Wrench Obsolete - Not Available
 $2.99

Part Number:49-96-6200

Discontinued

Discontinued
 $2.99
Discontinued
80
Wave Spring Washer
 $4.99

Part Number:45-88-0577

In Stock

In Stock
 $4.99
In Stock
 $4.99
 Fig #
Circular Saw Parts  Saw Parts

Repair Guides for 6378_(SER_621-1001)

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.

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When the guard on your saw stops working properly you will have to replace it. This video guides you through the simple steps needed to replace your saw's guard.

Questions & Answers for 6378_(SER_621-1001)


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