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  Jet JSM-403 1/2-inch Square Drive Impact Wrench Parts
Jet 1/2-inch Square Drive Impact Wrench Replacement  For Model JSM-403

Jet 1/2-inch Square Drive Impact Wrench Replacement Parts For Model JSM-403

We Sell Only Genuine Jet Parts
Page A
Jet JSM-403 1/2-inch Square Drive Impact Wrench Page A Diagram
 Fig #
1
Motor Housing
 $161.17

Part Number:40301

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $161.17
Usually ships in 7 - 12 business days
 $161.17
2
Anvil
 $46.39

Part Number:40302

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $46.39
Usually ships in 7 - 12 business days
 $46.39
3
Anvil Collar And Seal
 $8.54

Part Number:40303

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
4
Trigger
 $8.54

Part Number:40304

In Stock

In Stock
 $8.54
In Stock
 $8.54
5
O-ring
 $9.76

Part Number:40305

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
6
Anvil Bushing
 $8.54

Part Number:40306

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
7
Hammer Dog
 $23.19

Part Number:40307

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.19
Usually ships in 7 - 12 business days
 $23.19
8
Hammer Cage Obsolete - Not Available
 $38.11

Part Number:40308

Discontinued

Discontinued
 $38.11
Discontinued
9
Screw
 $9.76

Part Number:40309

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
10
Hammer Pin
 $8.54

Part Number:40310

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
11
Drive Cam
 $23.19

Part Number:40311

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.19
Usually ships in 7 - 12 business days
 $23.19
12
Screw
 $8.54

Part Number:40312

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
13
Ball Bearing Obsolete - Not Available
 $2.99

Part Number:40313

Discontinued

Discontinued
 $2.99
Discontinued
14
Rear End Plate
 $23.19

Part Number:40314

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.19
Usually ships in 7 - 12 business days
 $23.19
15
Rotor
 $97.68

Part Number:40315

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $97.68
Usually ships in 7 - 12 business days
 $97.68
16
Rotor Vane
 $9.76

Part Number:40316

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
17
Spring Pin
 $8.54

Part Number:40317-13

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
18
Cylinder
 $32.96

Part Number:40318

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.96
Usually ships in 7 - 12 business days
 $32.96
19
Front End Plate
 $28.07

Part Number:40319

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $28.07
Usually ships in 7 - 12 business days
 $28.07
21
Rear Cover Obsolete - Not Available
 $3.99

Part Number:40321

Discontinued

Discontinued
 $3.99
Discontinued
22
Rear Gasket
 $9.76

Part Number:40322

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
23
Exhaust Deflector
 $8.54

Part Number:40323

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
25
Reverse Valve
 $26.85

Part Number:40325

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $26.85
Usually ships in 7 - 12 business days
 $26.85
26
Valve Seat
 $9.76

Part Number:40326

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
27
Valve Stem
 $9.76

Part Number:40327

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
28
Steel Ball Obsolete - Not Available
 $2.99

Part Number:40328

Discontinued

Discontinued
 $2.99
Discontinued
29
Spring
 $8.54

Part Number:40329

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
31
Hose Adapter
 $15.86

Part Number:40331

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $15.86
Usually ships in 7 - 12 business days
 $15.86
32
Air Regulator
 $13.42

Part Number:40332

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.42
Usually ships in 7 - 12 business days
 $13.42
33
O-ring
 $9.76

Part Number:40333

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
34
Spring
 $7.31

Part Number:40329-12

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.31
Usually ships in 7 - 12 business days
 $7.31
35
Rubber
 $12.20

Part Number:40335

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $12.20
Usually ships in 7 - 12 business days
 $12.20
37
Spring Pin
 $9.76

Part Number:40337

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
38
Screw
 $9.76

Part Number:40334A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
39
Protecting Rubber
 $14.64

Part Number:40339

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $14.64
Usually ships in 7 - 12 business days
 $14.64
40
Screw
 $9.76

Part Number:40340

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
41
Spring
 $9.76

Part Number:40341

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
42
Pin
 $9.76

Part Number:40342

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
43
Screw
 $9.76

Part Number:40343

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.76
Usually ships in 7 - 12 business days
 $9.76
44
Spring Washer
 $8.54

Part Number:40344

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
45
Spring Pin
 $8.54

Part Number:40345

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.54
Usually ships in 7 - 12 business days
 $8.54
 Fig #
Impact Wrench Parts

Repair Guides for Jet 1/2-inch Square Drive Impact Wrench JSM-403

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.

Questions & Answers for JSM-403


how to remove forward/backward trigger ?
Jerry for model number jsm-403 asked on 2022-02-28
Hi Jerry and thank you for contacting us. You will have to remove the spring pin (part 37 in the diagram) using a punch and a hammer in order for the trigger to come out. I hope this helps and good luck with your repair.
eReplacementParts Team February 28, 2022
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