SPARE PARTS LIST
CHAIN SAWS
450, from 2011-09 -
ACCESSORIES 450, from 2011-09 -
ACCESSORIES 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 503 55 85-04 TOOL 1
CARBURETOR 450, from 2011-09 -
CARBURETOR 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 506 45 04-01 CARBURETTOR 1
2 502 07 82-01 COLLAR 1 1
3 502 07 83-01 COLLAR 1 1
4 502 07 84-01 SCREW 1 1
5 502 07 86-01 SPRING 1 1
6 502 07 87-01 SPRING 1 1
7 503 47 90-01 SCREW 1 1
8 503 47 96-01 SCREW 1 1
9 503 47 97-01 VALVE 1 1
10 503 48 00-01 PIN RETAINING SCREW 1 1
11 503 48 01-01 SCREW 1 1
12 503 48 05-01 SCREW 4 1
13 503 48 11-01 PIECE 1 1
14 503 48 18-01 SCREW 2 1
15 503 53 56-01 PLUG WELCH 2 1
16 503 53 57-01 STRAINER 1 1
17 503 66 59-01 LEVER 1 1
18 537 02 01-01 GASKET 1 1, 37
19 537 38 31-01 DIAPHRAGM PUMP 1 1, 37
20 502 07 89-01 COVER 1 1
21 537 38 33-01 SCREW 1 1
22 537 38 34-01 SPRING 1 1
23 537 38 37-01 COVER 1 1
24 544 23 77-01 NOZZLE ASSY 1 1
25 502 07 90-01 DIAPHRAGM 1 1, 37
26 502 07 91-01 LEVER 1 1
27 505 10 17-01 LEVER 1 1
28 502 07 94-01 SHAFT ASSY 1 1
29 502 07 95-01 SHAFT ASSY 1 1
30 502 24 77-01 VALVE 1 1
31 502 07 98-01 COLLAR 1 1
32 537 38 36-01 GASKET 1 1, 37
33 502 08 17-01 LEVER 1 1
34 502 07 99-01 SCREW 1 1
35 502 08 00-01 SCREW 1 1
36 502 08 01-01 VALVE 1 1
37 502 08 02-01 GASKET KIT 1
38 544 11 95-01 PLUG 1 1
CARBURETOR & AIR FILTER 450, from 2011-09 -
CARBURETOR & AIR FILTER 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 08 23-01 PIPE ASSY 1
2 503 20 02-16 SCREW IHSCFM 4
3 544 08 38-01 INTERMEDATE WALL 1
4 544 08 40-01 FLANGE 1
5 503 21 07-25 SCREW IHSCFT 2
6 544 08 41-01 FLANGE 1
7 544 14 82-01 THROTTLE 1
8 506 45 04-01 CARBURETTOR C1M-EL37B 1
9 504 00 34-01 FILTER HOLDER 1
10 544 23 14-01 SHACKLE 1 9
11 503 93 66-01 PRIMER HOUSING air purge 1
12 544 40 19-01 HOSE suction hose 1
13 544 12 97-01 RETURN HOSE return hose 1
14 544 35 99-02 CONTROL 1
15 503 21 07-50 SCREW IHSCFT 2
16 544 08 08-01 AIR FILTER µ 80 1
16 544 08 08-02 AIR FILTER µ 44 1
16 544 08 08-03 AIR FILTER Felt 1
17 502 08 10-01 SHAFT ASSY 1 7
18 502 08 11-01 SPRING 1 7
19 502 08 08-01 COLLAR 1 7
20 502 08 12-01 VALVE 1 7
21 503 48 18-01 SCREW 1 7
22 537 38 52-01 CLIP 1 7
23 502 08 09-01 ROD 1 7
24 735 58 30-00 WASHER 1 14
CHAIN BRAKE & CLUTCH COVER 450, from 2011-09 -
CHAIN BRAKE & CLUTCH COVER 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 09 79-01 CLUTCH COVER ASSY 1
2 735 31 08-20 E-CLIP 1 1
3 537 28 66-01 PAWL 1 1
4 540 06 33-01 CHAIN GUIDE 1 1
5 537 01 74-01 BEARING SLEEVE 1 1
6 503 89 08-02 KNEE JOINT ASSY 1 1
7 503 46 59-01 BRAKE SPRING 1 1
8 503 85 52-01 GUIDE BUSHING 1 1
9 544 08 29-01 COVER LID 1 1
10 503 21 70-10 SCREW CCRPANT 7 1
11 544 08 30-01 WEAR PROTECTION 1 1
12 537 04 30-01 BRAKE BAND ASSY 1 1
13 503 89 29-01 PIN KNEE-JOINT 1 1
14 537 39 70-01 WORM SCREW 1 1
15 537 07 94-02 WORM WHEEL 1 1
16 740 48 07-02 O-RING 1 1
17 503 23 00-63 WASHER 1 1
18 544 37 68-01 LABEL 1 1
19 503 22 00-01 HEXAGON NUT 1
CLUTCH & OIL PUMP 450, from 2011-09 -
CLUTCH & OIL PUMP 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 537 11 05-03 CLUTCH ASSY 1
2 537 35 91-01 CLUTCH SPRING 2 1
3 578 09 79-01 CLUTCH DRUM 1
4 503 25 52-01 NEEDLE BEARING 1 3
5 503 93 18-01 PUMP PINION 1
6 540 05 79-01 PUMP PISTON 1
7 537 15 48-01 PUMP CYLINDER 1
8 544 08 42-01 OIL HOSE 1
CRANKCASE 450, from 2011-09 -
CRANKCASE 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 537 43 82-01 CRANKCASE 1
2 503 87 58-02 STIFFENING PLATE 1 1
3 503 87 54-02 BAR BOLT 1 1
4 537 33 46-01 BAR BOLT 1 1
5 544 03 64-01 BAR BOLT 1 1
6 503 24 09-05 NEEDLE ROLLER 1 1
7 530 02 61-19 CHECK VALVE 1 1
8 537 40 35-01 FILTER 1 1
9 544 08 33-01 OIL SCREEN 1 1
10 544 33 16-01 GUIDE PIN 3 1
11 503 86 93-01 CARBURETTOR 2
12 544 11 12-01 TANK CAP ASSY 1
13 537 21 50-01 SEALING 1 12
14 503 57 89-01 HOLDER 1 12
15 503 88 63-01 PIN 1
16 503 21 88-76 SCREW IHSCT 2
17 501 00 76-01 LATERAL SUPPORT 2
18 503 21 51-03 SCREW IHSCT 1
19 544 09 40-01 CHAIN GUIDE PLATE 1
20 503 21 70-10 SCREW CCRPANT 1
21 503 90 59-01 SPIKE 1
22 503 21 75-20 SCREW IHSCT 2
23 544 08 26-01 HAND GUARD 1
24 503 89 24-01 LOCK 1
25 503 89 30-01 SCREW 2
26 503 43 65-01 POSITION SPRING 1
CRANKSHAFT 450, from 2011-09 -
CRANKSHAFT 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 525 60 50-01 CRANKSHAFT ASSY 1
2 544 06 20-01 BEARING 2 1
3 544 01 38-01 SEALING 2 1
4 503 25 63-01 NEEDLE BEARING 1
CYLINDER COVER 450, from 2011-09 -
CYLINDER COVER 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 34 83-03 CYLINDER COVER ASSY 1
2 522 70 92-01 LABEL 1 1
3 503 89 47-01 SNAP 3
CYLINDER PISTON 450, from 2011-09 -
CYLINDER PISTON 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 11 98-02 CYLINDER 1
2 544 08 89-03 PISTON ASSY 1 1
3 544 08 87-01 PISTON RING 1 1, 2
4 544 21 13-01 CIRCLIP 1 1, 2
5 503 25 63-01 NEEDLE BEARING 1 1
6 544 10 87-01 GASKET 1 13
7 544 10 92-01 GASKET 1 13
8 503 20 05-27 SCREW IHSCM 4
9 544 87 07-01 DECOMPRESSION VALVE 1
10 503 23 51-11 SPARK PLUG 1
11 540 05 73-01 SUPPORT 1
12 503 55 22-01 PLUG 1 1
13 544 97 20-01 GASKET KIT Set of Gaskets 1
FUEL TANK 450, from 2011-09 -
FUEL TANK 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 525 86 21-01 FUEL TANK ASSY 1
2 503 21 28-10 SCREW CCRPANT 1
3 720 18 25-20 PARALLEL PIN 1
4 544 09 97-01 THROTTLE TRIGGER 1
5 544 09 99-01 SPRING 1
6 544 09 98-01 THROTTLE LOCKOUT 1
7 504 12 22-01 HANDLE INSERT 1
8 504 09 88-01 THROTTLE CABLE ASSY 1
9 544 12 86-01 FUEL HOSE 1
10 503 44 32-01 FILTER 1
11 544 12 97-01 RETURN HOSE 1
12 544 11 12-01 TANK CAP ASSY 1
13 537 21 50-01 SEALING 1 12
14 503 57 89-01 HOLDER 1 12
15 544 37 50-01 LABEL 1
16 501 00 76-01 LATERAL SUPPORT 1
17 544 10 12-01 ANTIVIBRATION ELEMENT 2 1
18 721 12 63-39 GROOVED PIN 1 1
19 537 35 95-01 TANK VENT ASSY 1 1
HANDLE 450, from 2011-09 -
HANDLE 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 08 39-01 FRONT HANDLE 1
2 503 21 88-76 SCREW IHSCT 3
3 503 21 02-70 SCREW IHSCT 2
4 503 89 83-01 ANTIVIBRATION ELEMENT 1
IGNITION SYSTEM 450, from 2011-09 -
IGNITION SYSTEM 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 11 18-01 FLYWHEEL ASSY 1
2 537 24 56-01 STARTER PAWL 2 1
3 501 81 99-03 SCREW 2 1
4 503 23 00-42 WASHER 2 1
5 529 27 11-01 SPRING 2 1
6 503 22 04-01 NUT 1
7 573 93 57-01 IGNITION MODULE 1
8 510 10 15-01 WIRING ASSY 1
9 503 20 02-20 SCREW IHSCFM 2
MUFFLER 450, from 2011-09 -
MUFFLER 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 14 77-02 MUFFLER ASSY 1
2 579 75 33-01 SCREEN 1 1
3 579 75 32-01 HEAT DEFLECTOR 1
4 579 75 31-01 GASKET 1 7
5 725 53 68-55 SCREW IHSCM 2
6 724 12 87-59 SCREW CRPANM 1 1
7 544 97 20-01 GASKET KIT Set of Gaskets 1
STARTER 450, from 2011-09 -
STARTER 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 07 16-02 STARTER ASSY 1
2 544 07 15-01 STARTER HOUSING 1 1
3 537 28 32-01 REINFORCEMENT SLEEVE 1 1, 2
4 540 05 75-02 SPRING CASSETTE ASSY 1 1
5 503 21 28-10 SCREW CCRPANT 2 1
6 537 09 25-02 STARTER PULLEY 1 1
7 503 21 77-16 SCREW IHSCT 1 1
8 505 30 51-25 STARTER CORD 1 1
9 537 23 25-01 STARTER HANDLE 1 1
10 503 21 73-21 SCREW 4 1
11 544 37 70-02 LABEL 1
12 544 08 15-01 COOLING AIR CONDUCTER 1
WINTER KIT 450, from 2011-09 -
WINTER KIT 450, from 2011-09 -
Ref Part No Description Remark QTY KIT
1 544 46 45-01 WINTER KIT Winter kit 1
2 503 21 70-16 SCREW CCRPANT 2 1
Illustrated Parts List - IPL Update
Product Name(s)
H450
Description of change
New Starter pulley added.
Comments
Fully interchangeable
Introduced from
Serial number / Date Remark
S/n 20151000001 New Starter pulley 537 09 25-02 added.
2015-07-01 New Starter pulley 537 09 25-02 added. North America.
IPL updates
Page Title Ref. New part no Name Excl. part no. Remark
no
Starter 6 5370925-02 Starter pulley 5370925-01
Form no:MERN-8SJE6Q Rev no: 4 Page 1 of 1
