Parts for Hitachi DH45MR
1-3/4” SDS Max Rotary Hammer

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Items on this background are the most commonly replaced for this tool.
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
1	Ships in 10 - 14 business days321306 FRONT CAP DH40MR DH45MR	$3.62	1
2	Ships in 10 - 14 business days321305 GRIP DH40MR DH40MRY DH45MR	$5.19	1
3	Ships in 10 - 14 business days318590 STOPPER RING DH50MB DH40MR	$1.91	1
4	Ships in 10 - 14 business days321304 NEEDLE HOLDER DH40MR DH40MRY	$22.15	1
5	Ships in 10 - 14 business days321303 RETAINER SPRING DH40MR DH40MRY	$4.85	1
6	Ships in 10 - 14 business days321302 SPRING HOLDER (A) DH40MR	$4.85	1
7	Ships in 10 - 14 business days981942 SEAL LOCK BOLT M6x25 H45SB/MR	$2.10	4
8	Ships in 10 - 14 business days321300 FRONT COVER DH40MR DH40MRY	$21.47	1
9	Ships in 10 - 14 business days956996 O-RING (1AS-60) DH38YE DH40...	$3.48	3
10	Ships in 10 - 14 business days321301 OIL SEAL DH40MR DH40MRY DH45MR	$6.84	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
11	Ships in 10 - 14 business days325229 RUBBER RING DH45MR DH40MRY	$3.17	1
12	Ships in 10 - 14 business days315868 URETHANE RING HOLDER DH40MR	$3.66	1
13	Ships in 10 - 14 business days948131 RETAINING RING DH40MR D35SHAFT	$1.91	1
14	6007DD n/a	$n/a	1
15	Ships in 10 - 14 business days321297 BEARING WASHER DH40MR DH40FR	$3.40	1
16	Ships in 10 - 14 business days313421 NEEDLE ROLLER D8x20 DH40MA/B	$5.46	2
17	Ships in 10 - 14 business days324919 RETAINER SLEEVE DH45MR	$87.96	1
18	Ships in 10 - 14 business days324921 O-RING (C) DH45MR	$3.38	1
19	Ships in 10 - 14 business days324920 SECOND HAMMER DH45MR	$12.18	1
20	Ships in 10 - 14 business days324922 DAMPER WASHER DH45MR	$5.88	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
21	Ships in 10 - 14 business days324923 DAMPER DH45MR	$3.17	1
22	Ships in 10 - 14 business days324924 DAMPER HOLDER DH45MR	$5.88	1
23	Ships in 10 - 14 business days313057 NEEDLE PIN D 6x6 DH40FB/MB/FA	$4.56	4
24	Ships in 10 - 14 business days324925 CYLINDER DH45MR	$77.59	1
25	Ships in 10 - 14 business days324930 LOCK SPRING DH45MR	$1.80	1
26	Ships in 10 - 14 business days324931 LOCK SLEEVE DH45MR	$4.47	1
27	Ships in 10 - 14 business days324927 SPRING HOLDER (B) DH45MR	$5.88	1
28	Ships in 10 - 14 business days324928 CLUTCH SPRING DH45MR	$1.80	1
29	Ships in 10 - 14 business days324926 STRIKER DH45MR	$12.18	1
30	Ships in 10 - 14 business days325297 O-RING (I.D. 27.2) DH45MR	$3.17	2
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
31	Ships in 10 - 14 business days324929 CLUTCH DH45MR	$49.15	1
32	Ships in 10 - 14 business days324917 PISTON PIN DH45MR H45MRY	$4.47	1
33	Ships in 10 - 14 business days324915 PISTON DH45MR	$5.88	1
34	Ships in 10 - 14 business days324916 CONNECTING ROD DH45MR	$6.30	1
35	Ships in 10 - 14 business days324932 CYLINDER CASE DH45MR	$49.15	1
36	Ships in 10 - 14 business days991712 HexSockHDBoltM6x25 DH38YE	$1.44	4
37	Ships in 10 - 14 business days324933 BEVEL GEAR DH45MR	$38.81	1
38	Ships in 10 - 14 business days321867 LEVER LABEL DH40FR DH30PC2	$1.91	1
39	3 in stock at 2009-11-01 03:34:28983162 HEX SKT HD BOLT M4x12 DH38YE	$1.33	1
40	Ships in 10 - 14 business days321309 CHANGE LEVER DH40MR DH40FR	$3.62	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
41	Ships in 10 - 14 business days324935 LEVER HOLDER DH45MR	$3.17	1
42	Ships in 10 - 14 business days311229 RETAINING RING DH40MR D20SHAFT	$1.33	1
43	Ships in 10 - 14 business days324934 LEVER SHAFT DH45MR DH50MRY	$19.10	1
44	Ships in 10 - 14 business days873095 O-RING (P16) CJ65V2/VA2 DH40FA	$1.39	1
45	Ships in 10 - 14 business days321310 LEVER SPRING DH40MR DH40FR	$2.02	1
46	Ships in 10 - 14 business days321311 PUSHING BUTTON DH40MR DH40FR	$2.02	1
47	Ships in 10 - 14 business days321312 PIN D2x10 DH40MR DH40FR	$2.02	1
48	6 in stock at 2009-11-01 04:08:42939540 RETAINING RING H45MR 10PS	$0.66 / pack	1
49	Ships in 10 - 14 business days324909 CRANK SHAFT DH45MR	$31.05	1
50	Ships in 10 - 14 business days971750 FEATHER KEY 3x3x20 DH38YE	$1.44	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
51	949391 n/a	$n/a	1
52	Ships in 10 - 14 business days6203DD BALL BEARING H45MR DH40MR/FR	$9.00	1
53	Ships in 10 - 14 business days996363 O-RING (S-40) DH40MR/Y DH40FR	$2.02	1
54	Ships in 10 - 14 business days971745 OIL SEAL (A) DH38YE DH45MR	$5.09	1
55	Ships in 10 - 14 business days986940 SEAL LOCK HEX SOCKET HD BOLT	$1.46	4
56	Ships in 10 - 14 business days994192 HEX. SOCKET HD. BOLT M5x16	$1.65	8
57	Ships in 10 - 14 business days324937 CRANK COVER DH45MR	$8.46	1
58	Ships in 10 - 14 business days324912 SLIP CLUTCH ASS'Y DH45MR	$144.87	1
59	Ships in 10 - 14 business days944109 FEATHER KEY 3x3x8 DH24VB SB10T	$3.47	1
60	Ships in 10 - 14 business days324913 BEVEL PIN DH45MR	$16.01	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
61	Ships in 10 - 14 business days321279 COLLAR DH40MR DH40FR DH40MRY	$8.05	1
62	Ships in 10 - 14 business days313050 OIL SEAL (A) DH40FA/FB/MA/MB	$4.31	1
63	Ships in 10 - 14 business days6002DD BALL BEARING 6002DDCMPS2L	$10.35	1
64	Ships in 10 - 14 business days313058 WASHER DH40FB/MB/FA/MA	$1.39	1
65	Ships in 10 - 14 business days313053 WASHER (A) DH40FB/MB/FA/FB	$3.93	1
66	Ships in 10 - 14 business days321281 GEAR HOLDER DH40MR DH40FR	$18.31	1
67	Ships in 10 - 14 business days321282 SPRING (C) DH40MR DH40FR	$1.91	10
68	Ships in 10 - 14 business days320343 NEEDLE DH40MR DH30PC DH40FR	$3.40	10
69	Ships in 10 - 14 business days324914 SECOND GEAR DH45MR	$28.43	1
70	Ships in 10 - 14 business days321283 SPACER DH40MR DH40MRY DH40FR	$14.70	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
71	Ships in 10 - 14 business days629VVM BALL BEARING 629VVC2PS2L SB10T	$7.46	1
72	Ships in 10 - 14 business days944525 BEARING WASHER (C) DH38YE DH40	$1.44	1
73	Ships in 10 - 14 business days325230 SEAL PACKING DH45MR	$3.17	1
74	Ships in 10 - 14 business days324944 GEAR COVER DH45MR	$28.43	1
75	Ships in 10 - 14 business days324947 HANDLE DH45MR	$19.10	1
77	Ships in 10 - 14 business days324938 SDS MAX LABEL DH45MR	$1.80	1
78	Ships in 10 - 14 business days313078 SIDE HANDLE DH40MA/MB/FA/FB	$20.53	1
79	Ships in 10 - 14 business days313079 HANDLE HOLDER DH40FA/FB DH40MA	$17.87	1
80	Ships in 10 - 14 business days980673 HEX SCKT HD BOLT M5x40 DH45MR	$1.25	2
81	Ships in 10 - 14 business days313093 SWITCH (C) 2P ScrewType DH40MA	$16.01	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
82	Ships in 10 - 14 business days938307 PILLAR TERMINAL C7BD C7SB C8	$3.34	1
83	Ships in 10 - 14 business days324948 HANDLE COVER DH45MR	$10.52	1
84	14 in stock at 2009-11-11 16:32:55301653 TAP SCREW w/FLANGE D4x20 C7SB	$1.37	2
85	6 in stock at 2009-11-01 03:31:31981373 TUBE(D) C15FB C10FS C8FB2	$1.56	2
86	1 in stock at 2009-11-01 03:49:38980063 TERMINAL CR12V D13V DH38YE	$1.37	1
87	Ships in 10 - 14 business days960266 CORD CLIP C7BD/SB C8 DH38YE	$1.39	1
88	2 in stock at 2009-11-01 03:54:30984750 TAP SCREW w/FLANGE D4x16 C8	$1.32	2
89	Ships in 10 - 14 business days953327 CORD ARMOR D8.8 D10VH SV13YB	$1.39	1
90	500390Z n/a	$n/a	1
90	3 in stock at 2009-11-24 09:14:46500434Z CORD, ELECTRICAL, 2 WIRES C7SB	$20.35	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
91	Ships in 10 - 14 business days313080 HANDLE BOLT DH40MA/MB/FA/FB	$12.14	1
92	1 in stock at 2009-11-20 01:26:43971786 STOPPER ROD DH38YE	$5.36	1
93	Ships in 10 - 14 business days998471 HEX SOCKET HD BOLT M5x12 VB13Y	$1.39	1
94	Ships in 10 - 14 business days324936 HOOD (A) DH45MR	$13.19	1
96	Ships in 10 - 14 business days324908 CRANK CASE DH45MR	$41.39	1
97	Ships in 10 - 14 business days324910 FIRST GEAR DH45MR	$20.71	1
98	Ships in 10 - 14 business days324911 SECOND PINION DH45MR	$11.13	1
99	Ships in 10 - 14 business days939299 NEEDLE BEARING (M661) DH38YE	$10.91	1
100	Ships in 10 - 14 business days961501 HEX HD.TAP SCREW D5x60 G13SC2	$1.72	2
101	340646C n/a	$n/a	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
101	Ships in 10 - 14 business days340646G STATOR ASS'Y 120v DH45MR	$43.96	1
103	Ships in 10 - 14 business days324943 HOSUING ASS'Y DH45MR	$77.59	1
104	11 in stock at 2009-11-10 09:50:57945161 BRUSH CAP DH40FA/FB/MA/MB SB75	$1.73 ea	2
105	Ships in 10 - 14 business days999071 Carbon Brush AUTO (pair) H55SC	$15.33 ea	2
106	Ships in 10 - 14 business days962777 BRUSH HOLDER DH45MR	$5.88	2
107	Ships in 10 - 14 business days938477 HEX SOCKET SET SCREW M5x8 C7SB	$1.39	2
108	Ships in 10 - 14 business days324946 TAIL COVER DH45MR	$7.95	1
109	Ships in 10 - 14 business days984508 SEAL LOCK HEX SCKT HD BOLT	$1.25	2
110	Ships in 10 - 14 business days321313 SEAL LK HEX SOCKET HD BOLT	$2.02	2
111	Ships in 10 - 14 business days937623 BRUSH TERMINAL C8 C7SB/2 H55SC	$1.44	2
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
112	Ships in 10 - 14 business days321322 VIYNL TUBE DH40MR DH40FR	$1.91	1
113	Ships in 10 - 14 business days985436 DUST WASHER DH50SBK H55SCK	$1.46	1
114	4 in stock at 2009-11-19 16:32:306200VV BALL BEARING 6200VVCMPS2L	$6.13	1
115	Ships in 10 - 14 business days318721 MAGNET SP18VA DH40MR DH40FR	$19.41	1
116	Ships in 10 - 14 business days6202DD BALL BEARING 6202DDCMPS2L P12R	$8.34	1
117	Ships in 10 - 14 business days980700 DUST WASHER (B) DH38YE H45SB	$1.44	1
118	Ships in 10 - 14 business days318918 FAN DH50MB DH45MR DH50MRY	$7.82	1
119	Ships in 10 - 14 business days360737U ARMATURE ASS'Y 120v DH45MR	$139.69	1
120	Ships in 10 - 14 business days324945 FAN GUIDE DH45MR	$4.47	1
121	Ships in 10 - 14 business days324942 CASE (B) DH45MR	$4.78	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
122	Ships in 10 - 14 business days324941 CONTROLLER CIRCUIT 120v DH45MR	$94.86	1
501	324820 n/a	$n/a	1
502	Ships in 10 - 14 business days981840 HAMMER GREASE 0.1 POUND TUBE (ACC)	$7.61	1
503	Ships in 10 - 14 business days944458 HEX BAR WRENCH 4MM CR10V CR12V (ACC)	$1.61	1
504	Ships in 10 - 14 business days944459 HEX BAR WRENCH 5MM NT65MA CR10V/12V DH38YE DH40 NR83A (ACC)	$1.61	1
601	Ships in 10 - 14 business days308471 GREASE FOR HAMMER DRILLS	$11.45	1
602	Ships in 10 - 14 business days980927 HAMMER GREASE 1 POUND CAN	$68.07	1
603	320859 n/a	$n/a	1
604	318085 n/a	$n/a	1
605	313448 n/a	$n/a	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
606	313456 n/a	$n/a	1
607	313449 n/a	$n/a	1
608	313457 n/a	$n/a	1
609	313450 n/a	$n/a	1
610	313458 n/a	$n/a	1
611	313451 n/a	$n/a	1
612	313459 n/a	$n/a	1
613	313452 n/a	$n/a	1
614	313460 n/a	$n/a	1
615	313453 n/a	$n/a	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
616	313461 n/a	$n/a	1
617	313454 n/a	$n/a	1
618	313462 n/a	$n/a	1
619	313455 n/a	$n/a	1
620	313463 n/a	$n/a	1
621	944460 n/a	$n/a	1
622	944461 n/a	$n/a	1
623	Ships in 10 - 14 business days993038 TAPER SHANK DRILL BIT D12.7mmX110L DH24PE/PB/PC DH40MA/MB	$16.47	1
624	944462 n/a	$n/a	1
625	944500 n/a	$n/a	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
626	944463 n/a	$n/a	1
627	313464 n/a	$n/a	1
628	Ships in 10 - 14 business days944477 DriftKey FLAT FOR Core Bits 956000..956006	$4.92	1
629	313465 n/a	$n/a	1
630	955994 n/a	$n/a	1
631	Ships in 10 - 14 business days955995 CORE BIT 1-1/8"DH40FA/FB/MA/	$89.98	1
632	Ships in 10 - 14 business days955996 CORE BIT 1-1/4"DH40FA/FB/MA/	$96.24	1
633	Ships in 10 - 14 business days955997 CoreBitGuidePlate1-1/4"DH40.	$6.67	1
634	Ships in 10 - 14 business days955998 CORE BIT 1-3/8"DH40FA/B/MA/B	$116.91	1
635	Ships in 10 - 14 business days955999 CoreBitGuidePlate1-3/8"DH40.	$6.67	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
636	Ships in 10 - 14 business days956000 CORE BIT 1-1/2"DH50SB DH40FA - Special Price	$98.99	1
637	Ships in 10 - 14 business days956001 CoreBitGuidePlate1-1/2"DH50/ - Special Price	$3.99	1
638	Ships in 10 - 14 business days955154 CORE BIT 1-3/4" DH50SB, DH40FA/FB, DH38YE	$147.96	1
639	Ships in 10 - 14 business days955166 CoreBitGuidePlate1-3/4"DH50/	$6.52	1
640	Ships in 10 - 14 business days955155 CORE BIT 2-1/8" DH50SB, DH40FA/FB, DH38YE	$216.35	1
641	Ships in 10 - 14 business days955167 CORE BIT GUIDE PLATE 2-1/8"	$7.76	1
642	Ships in 10 - 14 business days956002 CORE BIT 2-1/2"	$190.91	1
643	Ships in 10 - 14 business days956003 GUIDE PLATE 2-1/2"	$8.20	1
644	Ships in 10 - 14 business days955157 CORE BIT 3-1/8" DH50SB, DH40FA/FB, DH38YE	$233.86	1
645	Ships in 10 - 14 business days955168 CORE BIT GUIDE PLATE 3-1/8"	$12.25	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
646	Ships in 10 - 14 business days956004 CORE BIT 3-11/16" DH50SB DH40FA	$443.51	1
647	Ships in 10 - 14 business days956005 CoreBitGuidePlate3-11/16"DH50	$16.75	1
648	Ships in 10 - 14 business days955159 CORE BIT 4-1/8" DH50SB, DH40FA/FB, DH38YE	$355.11	1
649	Ships in 10 - 14 business days955169 CORE BIT GUIDE PLATE 4-1/8"	$17.70	1
650	Ships in 10 - 14 business days313466 SDSMAX Core Bit Shank (B) 1-3/8"- CORE BITS	$71.74	1
651	Ships in 10 - 14 business days313467 SDSMAX Core Bit Shank (A) 1-1/2"+ CORE BITS - Special Price	$54.99	1
652	Ships in 10 - 14 business days956009 CORE BIT 1-1/4-1-3/8"CenterPIN	$44.65	1
653	Ships in 10 - 14 business days955165 CENTER PIN for 1-1/2" + CoreBit - Special Price	$29.99	1
654	321813 n/a	$n/a	1
655	313468 n/a Replaces 313468	$n/a	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
656	Ships in 10 - 14 business days303334 CHUCK HANDLE DH20DV DH24PE	$11.14	1
657	313469 n/a	$n/a	1
658	313470 n/a	$n/a	1
659	313471 n/a	$n/a	1
660	313472 n/a	$n/a	1
661	313473 n/a	$n/a	1
662	313474 n/a	$n/a	1
663	313475 n/a	$n/a	1
664	313476 n/a	$n/a	1
665	313478 n/a	$n/a	1
Ref	Part Number & Description	Price	Qty. Required	Order Qty.
666	313477 n/a	$n/a	1
667	313479 n/a	$n/a	1
668	Ships in 10 - 14 business days956006 CORE BIT 4-3/4"DH50 DH40FA/B/MAB	$519.29	1
669	Ships in 10 - 14 business days956007 CoreBitGuidePlate4-3/4"DH50SB	$24.22	1

Most Hitachi common pneumatic tool parts are in stock, others are special order. Most orders from Hitachi take 10 - 14 business days to arrive at our warehouse. We normally ship orders the same day that parts are received by our warehouse. In-stock orders ship within one business day of the order.