
Item No. Type Sub Part No. Description (*See Service changes on the bottom) QtyUnit
1 188588-1 HOUSING SET 1 PC.
1
2
2
INC. 263005-3 RUBBER PIN 6 2 PC.
1 324886-1 GUIDE BOLT 1 PC.
2 325635-9 GUIDE BOLT 1 PC.
3 265995-6 TAPPING SCREW 4X18 1 PC.
4 345907-6 FIX PLATE 1 PC.
5 253762-1 FLAT WASHER 8 1 PC.
6 234060-2 COMPRESSION SPRING 9 1 PC.
7
7
1 234061-0 COMPRESSION SPRING 13 1 PC.
2 234101-4 COMPRESSION SPRING 13 1 PC.
8 424135-7 SPRING HOLDER 1 PC.
9 345978-3 GUIDE PLATE 1 PC.
10 345906-8 UPPER PLATE 1 PC.
11
11
1 165503-2 * SAFETY LEVER 1 PC.
2 165602-0 * SAFETY LEVER 1 PC.
12 234078-3 COMPRESSION SPRING 4 1 PC.
13
13
13
1 450539-7 FRONT COVER (W/O Caution Label) 1 PC.
2 158897-2 FRONT COVER COMPLETE 1 PC.
2 INC. 810454-1 CAUTION LABEL (N/A as individual part) 1 PC.
14 265995-6 TAPPING SCREW 4X18 4 PC.
15 268157-5 PIN 4 1 PC.
16 345996-1 DRIVER 1 PC.
17 922227-1 HEX. SOCKET HEAD BOLT M5X18 2 PC.
18 266201-2 HEX.SOCKET HEAD BOLT M4X14 2 PC.
19 266199-3 HEX.SOCKET HEAD BOLT M4X6 2 PC.
20
20
1 450541-0 * SAEFTY LEVER GUIDE 1 PC.
2 451801-3 * SAEFTY LEVER GUIDE 1 PC.
21 158759-4 DRIVER GUIDE COMPLETE 1 PC.
22 345910-7 SPRING BASE 1 PC.
23 344670-8 SET PLATE 1 PC.
24 256206-0 PIN 4 1 PC.
25 313150-5 DRIVER LOCK 1 PC.
26 424099-5 CUSHION 1 PC.
27 253804-1 FLAT WASHER 6 1 PC.
28 318267-9 HOLDER 1 PC.
29 931302-2 HEX. NUT M6 1 PC.
30 265995-6 TAPPING SCREW 4X18 1 PC.
31 158758-6 MAIN MAGAZINE COMPLETE 1 PC.
32 911113-1 PAN HEAD SCREW M4X10 2 PC.
33 450540-2 END CAP 1 PC.
34 911113-1 PAN HEAD SCREW M4X10 1 PC.
35 345997-9 PUSHER 1 PC.
37 231854-6 TENSION SPRING 3 1 PC.
38 165532-5 SUB MAGAZINE 1 PC.
39 450775-5 ADJUSTER BASE 1 PC.
40 231323-7 COMPRESSION SPRING 9 1 PC.
41 450702-2 ADJUSTER 1 PC.
42 450774-7 LOCK SLEEVE 1 PC.
43 265127-5 + PAN HEAD SCREW M4X4 1 PC.
44 268029-4 PIN 4 1 PC.
45 421637-4 MAGAZINE END 1 PC.
46 233528-5 TORSION SPRING 5 1 PC.
47 345861-4 LEVER 1 PC.
48 961017-7 STOP RING E-3 1 PC.
49 165506-6 HAMMER 1 PC.
50 345914-9 SLIDE PLATE 1 PC.
51 343629-2 PLATE 1 PC.
2 MODEL BST221Z, BST221X

Item No. Type Sub Part No. Description (*See Service changes on the bottom) QtyUnit
52 257772-0 SLEEVE 5 1 PC.
53 158646-7 SPUR GEAR 55 COMPLETE 1 PC.
54 253171-4 FLAT WASHER 10 1 PC.
55 324947-7 PIN 10 1 PC.
56 265995-6 TAPPING SCREW 4X18 1 PC.
57 233531-6 TORSION SPRING 3 1 PC.
58 651891-8 SWITCH V-15-3A6 1 PC.
59 232240-4 LEAF SPRING 1 PC.
60 345908-4 RELEASE PLATE 1 PC.
61 256221-4 PIN 3 1 PC.
62 450536-3 TRIGGER 1 PC.
63 256221-4 PIN 3 1 PC.
64 424026-2 CUSHION 1 PC.
65 424030-1 CUSHION 1 PC.
66
66
1 643822-1 TERMINAL 1 PC.
2 643841-7 TERMINAL 1 PC.
68 265995-6 TAPPING SCREW 4X18 6 PC.
69 911163-6 PAN HEAD SCREW M4X35 1 PC.
70 911163-6 PAN HEAD SCREW M4X35 1 PC.
72 214058-5 PLANE BEARING 10 1 PC.
73 253758-2 FLAT WASHER 10 1 PC.
74 232241-2 LEAF SPRING 1 PC.
75 158647-5 SPUR GEAR 7 COMPLETE 1 PC.
76 221961-3 SPUR GEAR 27 3 PC.
77 221999-8 INTERNAL GEAR 69 1 PC.
78 267053-4 FLAT WASHER 12 1 PC.
79 629858-4 DC MOTOR 1 PC.
80 251314-2 + SCREW M4X12 (F/HOOK) 1 PC.
100 654069-2 RECEPTACLE 2 PC.
101 654108-8 RECEPTACLE STO-41T-187N 2 PC.
102 654208-4 RECEPTACLE 2 PC.
ACCESSORIES
- See catalogue or visit www.makita.ca for optional accessory -
A01 1 192517-8 SAFETY GOGGLE 1 PC.
A01
2 195246-2 SAFETY GOGGLE 1 PC.
A02 324705-1 HOOK 1 PC.
A03 194205-3 18V LI-ION BATTERY BL1830 2 PC.
A03 194230-4 18V LI-ION BATTERY BL1830, 2/PK 1 PK
A04 DC18RA CHARGER DC18RA 1 PC.
A04 DC18RAKIT CHARGER+BATTERY (DC18RA+BL1830) 1 KIT
A04 DC18SE 12V AUTOMOTIVE CHARGER DC18SE 1 PC.
A05 821010-X TOOL BAG 1 PC.
A05 824863-8 PLASTIC CARRYING CASE 1 PC.
A05
A05
INC. 419216-0 HANDLE 1 PC.
INC. 417724-5 LATCH 2 PC.
3 MODEL BST221Z, BST221X

SERVICE CHANGES
1. Changes on Safety Lever and Safety Lever Guide
Item No. Description Type 1 Type 2
11 Safety Lever
20 Safety Lever Guide
165503-2 165602-0
450541-0 451801-3
Above parts are completely interchangeable as a set.
s Spot welding is done, two
depressions are put on the
surface
Safety Lever Safety Lever Guide
Ste