Repair Forum     Repair Center    Blog
Sign In Support Shopping Cart
Authentic Parts
      Call us toll free 866-802-6383
9:00AM-8:00PM Mon-Fri, ET
9:00AM-6:00PM Sat, ET
Repair Parts Home    Power Tool Parts    Milwaukee Parts    Milwaukee Rotary Hammer Parts    

Milwaukee 5321-21 (SER 354C) 1-1/2" (40mm) Rotary Hammer Parts

Milwaukee 5321-21 (SER 354C) 1-1/2 milwaukee logo

 Milwaukee 5321-21 (SER 354C) 1-1/2" (40mm) Rotary Hammer Parts

Page A
Page B
   Page A   

 Fig # Part # Img Part Name Availability Price Qty
102-04-0845
Ball Bearing
Ball Bearing
In stock
5 available
$5.16
322-84-0875
Fan Assembly
Fan Assembly
Ships in 7 - 10 business days
$13.19
*402-04-1206
Bearing Ball 12X28X8 2 Seals
Bearing Ball 12X28X8 2 Seals
Ships in 7 - 10 business days
$6.12
805-59-0100
Pivot Nut
Pivot Nut
Ships in 7 - 10 business days
$0.73
1005-77-0100
Pivot Bolt
Pivot Bolt
Ships in 7 - 10 business days
$1.01
1105-88-3650
Screw, Metric,Pn HD (PT)
Screw, Metric,Pn HD (PT)
Ships in 7 - 10 business days
$0.67
1205-88-5910
Screw, Metric, PN HD (PT)
Screw, Metric, PN HD (PT)
Ships in 7 - 10 business days
$0.67
1305-88-5930
Screw, Metric,Pn HD (PT)
Screw, Metric,Pn HD (PT)
In stock
2 available
$0.67
1405-88-5940
Screw, Metric,Pn HD (PT)
Screw, Metric,Pn HD (PT)
In stock
2 available
$0.67
1505-88-9920
Screw, Metric,Pn HD (PT-DG)
Screw, Metric,Pn HD (PT-DG)
Ships in 7 - 10 business days
$0.67
1605-88-9930
Screw, Metric,Pn HD (PT-DG)
Screw, Metric,Pn HD (PT-DG)
In stock
2 available
$1.01
1705-88-9940
Screw, Metric,Pn HD (PT-DG)
Screw, Metric,Pn HD (PT-DG)
Ships in 7 - 10 business days
$1.57
1931-01-0065
Light Pipe
Ships in 7 - 10 business days
$0.85
2206-81-1805
1/4-20 X 2-1/2 Pan HD SC
1/4-20 X 2-1/2 Pan HD SC
Ships in 7 - 10 business days
$2.42
2306-82-7375
8-16X2-1/2" Pan Plast Torx
8-16X2-1/2" Pan Plast Torx
Ships in 7 - 10 business days
$0.67
Fig #Part #ImgPart NameAvailabilityPrice
2606-95-6290
M5 X 2.24 X 18 Plastite Screw
M5 X 2.24 X 18 Plastite Screw
Ships in 7 - 10 business days
$0.67
2731-01-0035
Thumbwheel, Numbered
Thumbwheel, Numbered
In stock
1 available
$3.03
2812-20-5315
Service Nameplate
Ships in 7 - 10 business days
$6.23
*2914-20-1072
Brush Card & Module SVC Kit
Brush Card & Module SVC Kit
Ships in 7 - 10 business days
$107.44
*3016-30-0642
Armature Kit Service
Armature Kit Service
In stock
1 available
$64.80
3118-30-1040
Service Field Atf
Service Field Atf
Ships in 7 - 10 business days
$30.29
*3222-22-1531
Brush Card
Brush Card
Ships in 7 - 10 business days
$31.30
3322-56-0042
Power Cord Blade Housing Receiver 120V
Power Cord Blade Housing Receiver 120V
Ships in 7 - 10 business days
$3.88
3448-76-5010
10' Cord Set (2 prongs)
10' Cord Set (2 prongs)
In stock
10 available
$28.45
3523-66-2195
Switch
Switch
Ships in 7 - 10 business days
$18.57
3728-14-2541
Crankcase Assembly
Crankcase Assembly
Ships in 7 - 10 business days
$59.53
4231-10-0140
Upper Handle Mount
Upper Handle Mount
Ships in 7 - 10 business days
$1.68
4631-15-0613
Module Cover Black
Module Cover Black
Ships in 7 - 10 business days
$4.55
4731-15-2053
Motor Cover, Black
Motor Cover, Black
Ships in 7 - 10 business days
$7.92
5031-44-2211
Handle Half Left, Red
Ships in 7 - 10 business days
$4.55
Fig #Part #ImgPart NameAvailabilityPrice
5131-44-2221
Right Handle Half-Red
Ships in 7 - 10 business days
$4.04
5231-50-5101
Motor Housing - Red
Ships in 7 - 10 business days
$10.88
5331-55-0281
Rear Cover - Red
Rear Cover - Red
Ships in 7 - 10 business days
$7.02
*6334-40-4215
O-Ring
O-Ring
Ships in 7 - 10 business days
$1.23
6634-40-4490
O-Ring
O-Ring
Ships in 7 - 10 business days
$0.67
8642-96-0125
Rubber Bearing Cup
Rubber Bearing Cup
Ships in 7 - 10 business days
$1.68
*9222-18-1353
Brush Kit
Brush Kit
In stock
2 available
$15.77
9340-50-2220
Spring
Spring
In stock
1 available
$1.30
9443-87-0035
Bellows
Bellows
Ships in 7 - 10 business days
$3.93
9543-87-0060
Isolation Kit Obsolete - Not Available
Discontinued
$0.00N/A
10044-52-0590
Handle Cushion
Handle Cushion
Ships in 7 - 10 business days
$5.78
12245-88-8555
Thrust Washer
Thrust Washer
Ships in 7 - 10 business days
$0.67
12345-06-0535
Seal Handle
Seal Handle
Ships in 7 - 10 business days
$0.67

Enter your engine's type number in this search field to show the parts that match your engine.

Your engine's type number is the second part of the model number stamped on your Briggs & Stratton engine (see picture).

Drill Parts  Rotary Hammer Parts

Repair Articles

How to Diagnose a Bad Power Cord or Switch
How to Diagnose a Bad Power Cord or Switch

This article outlines the basics of power tool and appliance electrical diagnosis. You can use a multimeter to test tool and appliance cords and switches, the two parts usually responsible for electri...
Power Tool Care and Maintenance 101
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.
Discussion
Discussion for the Milwaukee 5321-21 (SER 354C) 1-1/2" (40mm) Rotary Hammer

Post a Comment
Login or signup to comment.
Login or signup to comment.
Ask a question, answer a question, or post a comment!
  • Subject:
  •  
  • Comment:
  •  
jddoyle
Question: Hammer Drill Slips

jddoyle

I have a 5321-21 Rotary Hammer Drill/Chisel. Sometimes it works just fine, but sometimes when you start to drill in concrete it will drill for a while and then start to slip. What could the problem be?
trailblazer
Reply: Hammer Drill Slips

trailblazer

I repair tools, and just from my experience I'd say its one of two things, either the shaft of your bit is wearing down, or possibly the gears inside the drill are wearing down. Hopefully that helps you!
I have a 3521-21 Rotary Hammer Drill and sometimes it works just fine and sometimes when you start to drill the bit will just stop. It seems like something is slipping. What could it be?
wildmanhunting
Question: Milwaukee Tool

wildmanhunting

have a 5321-21 large hammer drill will hammer but it won't turn even on highest setting won't that be the clutch service assem?
wildmanhunting
Reply: Milwaukee Tool

wildmanhunting

[QUOTE=wildmanhunting;8785]have a 5321-21 large hammer drill will hammer but it won't turn even on highest setting won't that be the clutch service assem? I have to fix this my self can't wait till the shop can get to it.
emo325
Reply: Milwaukee Tool

emo325

hello! i was looking at the schematic for the Milwaukee 5321-21 rotary hammer and you commented that it won't run even on the highest setting, this unit is equipped with a electronic module that controls the motor but before dismissing the module you must first check the power cord and switch for continuity and the the carbon for wear or damage and also inspect the armature and field. good luck!
trailblazer
Reply: Milwaukee Tool

trailblazer

does the hammer drill actually sound like it runs, and doesn't turn, or doesn't it sound like it runs at all?
trailblazer
Reply: Milwaukee Tool

trailblazer

Oh, didn't read that right. I guess it does run! You are right, it has something to do with that clutch assembly! Just tore one apart, and it possiblely might be worn down teeth on the clutch assembly.
Accessories
Accessories for the 5321-21

Adapters & Extensions:
See more adapters & extensions 
725791
Spline-SDS-Plus Rotary Hammer Adapter
$105.47

985378
Spline-Taper Shank Adapter (B) Rotary Hammer Adapter
$19.96

HA1020
Spline-SDS Plus Rotary Hammer Adapter
$88.32

fancyboxy