STIHL HS45 IPL Parts Diagram
Use this IPL to identify replacement parts. Each section shows the exploded diagram first, followed by a clickable HTML parts list. Click a Cutsmart SKU to open the matching product by SKU.
Brand section: Stihl | Suggested machine SKU: HS45-Online
Crankcase, Cylinder
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Crankcase | 4140 021 0300 | 4140-021-0300-Online | 1 |
| 2 | Oil seal 12x22x7 | 9639 003 1230 | 9639-003-1230-Online | 2 |
| 3 | Washer | 4140 036 0300 | 4140-036-0300-Online | 2 |
| 4 | Grooved ball bearing 6201 | 9503 003 0246 | 9503-003-0246-Online | 2 |
| 5 | Cranksha — Above Serial Number: 161946516 | 4228 030 0402 | 4228-030-0402-Online | 1 |
| 6 | Cranksha — Up to Serial Number: 275617627 | 4228 030 0400 | 4228-030-0400-Online | 1 |
| 7 | Cylinder gasket | 4140 029 2300 | 4140-029-2300-Online | 1 |
| 8 | Engine pan | 4140 021 2500 | 4140-021-2500-Online | 1 |
| 9 | Cylinder with piston Ø 34 mm — Contains: 10 - 14 | 4140 020 1204 | 4140-020-1204-Online | 1 |
| 10 | Piston Ø 34 mm — Contains: 11 - 13 | 4140 030 2004 | 4140-030-2004-Online | 1 |
| 11 | Piston ring Ø 34x1.2 mm | 4144 034 3000 | 4144-034-3000-Online | 1 |
| 12 | Snap ring 8x0.7 | 9463 650 0807 | 9463-650-0807-Online | 2 |
| 13 | Piston pin 8x5x22 | 4137 034 1500 | 4137-034-1500-Online | 1 |
| 14 | Pan head self-tapping screw IS-D5x60 | 9075 478 4268 | 9075-478-4268-Online | 4 |
| 15 | Piston ring Ø 34x1.5 mm — Up to Serial Number: 805573249 | 4137 034 3000 | 4137-034-3000-Online | 2 |
| 16 | 1 | 0000 400 7000 Spark plug NGK BPMR7A | 0000-400-7000-Spark-plug-NGK-BPMR7A-Online | |
| 17 | Spark plug Bosch WSR 6 F | 1110 400 7005 | 1110-400-7005-Online | 1 |
| 18 | Spark plug STIHL | 0000 400 7016 | 0000-400-7016-Online | 1 |
| 21 | Sealant, Dirko HT red | 0783 830 2000 | 0783-830-2000-Online | 1 |
| 22 | Set of gaskets — Contains: 2, 7 | 4228 007 1050 | 4228-007-1050-Online | 1 |
Ignition system, Muffler
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Flywheel | 4140 400 1200 | 4140-400-1200-Online | 1 |
| 2 | Collar nut M8x1 | 0000 955 0802 | 0000-955-0802-Online | 1 |
| 3 | Ignition module — Above Serial Number: 805209567 | 4140 400 1311 | 4140-400-1311-Online | 1 |
| 4 | Ignition module — Up to Serial Number: 805573249 | 4140 400 1308 | 4140-400-1308-Online | 1 |
| 5 | Ignition module — Up to Serial Number: 275617627 | 4140 400 1300 | 4140-400-1300-Online | 1 |
| 6 | Connector tag | 4140 431 2100 | 4140-431-2100-Online | 1 |
| 7 | Pan head self-tapping screw IS-D4x22 | 9075 478 3023 | 9075-478-3023-Online | 2 |
| 8 | Spiral housing | 4228 084 1100 | 4228-084-1100-Online | 1 |
| 9 | Pan head self-tapping screw IS-D5x24 | 9075 478 4159 | 9075-478-4159-Online | 3 |
| 10 | Muffler | 4228 140 0600 | 4228-140-0600-Online | 1 |
| 11 | Muffler gasket | 4140 149 0602 | 4140-149-0602-Online | 1 |
| 12 | Pan head self-tapping screw IS-D5x60 | 9075 478 4268 | 9075-478-4268-Online | 2 |
| 13 | Clutch — Contains: 14 | 4228 160 2000 | 4228-160-2000-Online | 1 |
| 14 | Tension spring | 4228 162 7903 | 4228-162-7903-Online | 2 |
| 15 | Set of gaskets — Contains: 11 | 4228 007 1050 | 4228-007-1050-Online | 1 |
Air filter, Spacer flange
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Filter housing — Contains: 2 - 5, 7, 8 | 4228 140 2850 | 4228-140-2850-Online | 1 |
| 2 | Filter | 4140 124 2800 | 4140-124-2800-Online | 1 |
| 3 | Prefilter | 4228 124 1500 | 4228-124-1500-Online | 1 |
| 4 | Lever | 4140 141 3700 | 4140-141-3700-Online | 1 |
| 5 | Choke shutter — Above Serial Number: 161946516 | 4140 141 3801 | 4140-141-3801-Online | 1 |
| 6 | Choke shutter — Up to Serial Number: 275617627 | 4140 141 3800 | 4140-141-3800-Online | 1 |
| 7 | Push nut 4.0x9.6x1.8 | 9417 003 7512 | 9417-003-7512-Online | 1 |
| 8 | Filter cover — Above Serial Number: 161946516 | 4228 141 0502 | 4228-141-0502-Online | 1 |
| 9 | Filter cover — Up to Serial Number: 275617627 | 4228 141 0500 | 4228-141-0500-Online | 1 |
| 10 | Hexagon nut M5 | 9210 261 0700 | 9210-261-0700-Online | 2 |
| 11 | Gasket | 4140 129 0900 | 4140-129-0900-Online | 1 |
| 12 | Carburetor C1Q-S169E | 4228 120 0608 | 4228-120-0608-Online | 1 |
| 13 | Carburetor C1Q-S170D — Contains: available in Brazil | Above Serial Number: 800265406 only | 4228 120 0609 | 4228-120-0609-Online | 1 |
| 14 | Carburetor C1Q-S67 — Up to Serial Number: 275617627 | 4228 120 0603 | 4228-120-0603-Online | 1 |
| 15 | Carburetor C1Q-S54B — Above Serial Number: 148411908 Up to Serial Number: 275617627 | 4228 120 0601 | 4228-120-0601-Online | 1 |
| 16 | Carburetor C1Q-S49B — Up to Serial Number: 275617627 | 4228 120 0600 | 4228-120-0600-Online | 1 |
| 17 | Gasket | 4114 149 1205 | 4114-149-1205-Online | 1 |
| 18 | Spacer flange | 4140 121 1602 | 4140-121-1602-Online | 1 |
| 19 | Tensioner — Above Serial Number: 163511441 | 4140 182 7602 | 4140-182-7602-Online | 1 |
| 20 | Pin — Up to Serial Number: 275617627 | 4137 123 8900 | 4137-123-8900-Online | 1 |
Air filter, Spacer flange
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| No clickable part rows were parsed for this section yet. | ||||
Fuel tank
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| No clickable part rows were parsed for this section yet. | ||||
Rewind starter, Handle housing
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 23 | Starting throttle lock | 4228 182 9300 | 4228-182-9300-Online | 1 |
| 24 | Throttle trigger | 4228 182 1000 | 4228-182-1000-Online | 1 |
| 25 | Throttle cable | 4228 180 1101 | 4228-180-1101-Online | 1 |
| 26 | Lockout lever | 4228 182 0800 | 4228-182-0800-Online | 1 |
| 27 | Torsion spring | 0000 998 1003 | 0000-998-1003-Online | 1 |
| 28 | Stop switch | 4228 430 0200 | 4228-430-0200-Online | 1 |
| 29 | Stop switch — Above Serial Number: 805389565 | 4229 430 0203 | 4229-430-0203-Online | 1 |
| 30 | Handle molding — Above Serial Number: 805389565 | 4228 791 0603 | 4228-791-0603-Online | 1 |
| 31 | Handle molding — Contains: 29, 30 | 4228 790 0650 | 4228-790-0650-Online | 1 |
| 32 | Short circuit wire | 4228 440 1100 | 4228-440-1100-Online | 2 |
| 33 | Pan head self-tapping screw IS-D4x15 | 9075 478 3015 | 9075-478-3015-Online | 1 |
| 34 | Pan head self-tapping screw IS-D5x24 | 9075 478 4159 | 9075-478-4159-Online | 1 |
Carburetor C1Q-S169, C1Q-S170, C1Q-S70, C1Q-S150
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Carburetor C1Q-S169E — Contains: 5 - 26, 28 - 37 | Above Serial Number: 161946516 Up to Serial Number: 805573249 | 4228 120 0608 | 4228-120-0608-Online | 1 |
| 2 | Carburetor C1Q-S170D — Contains: 5 - 27, 30 - 36, 39 | available in Brazil Above Serial Number: 801065627 only Up to Serial Number: 805125280 | 4228 120 0609 | 4228-120-0609-Online | 1 |
| 3 | Carburetor C1Q-S70A — Contains: 5 - 27, 30 - 37 | Above Serial Number: 161946516 Up to Serial Number: 801093818 | 4228 120 0606 | 4228-120-0606-Online | 1 |
| 4 | Carburetor C1Q-S150 — Contains: 5 - 27, 30 - 37 | available in Brazil Above Serial Number: 800265406 only Up to Serial Number: 801194831 | 4228 120 0607 | 4228-120-0607-Online | 1 |
| 5 | Throttle sha with lever | 4137 120 7100 | 4137-120-7100-Online | 1 |
| 6 | Spring | 1123 122 3000 | 1123-122-3000-Online | 1 |
| 7 | Throttle shutter | 4228 121 3303 | 4228-121-3303-Online | 1 |
| 8 | Round head screw | 1120 122 7400 | 1120-122-7400-Online | 1 |
| 9 | E-clip | 1125 122 9001 | 1125-122-9001-Online | 1 |
| 10 | Pin | 4128 121 8901 | 4128-121-8901-Online | 1 |
| 11 | E-clip | 1120 122 9000 | 1120-122-9000-Online | 1 |
| 12 | Pump diaphragm | 1129 121 4800 | 1129-121-4800-Online | 1 |
| 13 | Pump gasket | 1123 129 0905 | 1123-129-0905-Online | 1 |
| 14 | End cover | 1123 121 0800 | 1123-121-0800-Online | 1 |
| 15 | Clamp | 1125 122 4200 | 1125-122-4200-Online | 1 |
| 16 | Idle speed screw | 4229 122 6200 | 4229-122-6200-Online | 1 |
| 17 | Oval head screw | 1120 122 7800 | 1120-122-7800-Online | 1 |
| 18 | Inlet needle | Z000 018 Z000 | Z000-018-Z000-Online | 1 |
| 19 | Spring | 1120 122 3004 | 1120-122-3004-Online | 1 |
| 20 | Inlet control lever | 1125 121 5000 | 1125-121-5000-Online | 1 |
| 21 | Spindle | 1120 121 9200 | 1120-121-9200-Online | 1 |
| 22 | Collar screw | 1120 122 6600 | 1120-122-6600-Online | 1 |
Carburetor C1Q-S169, C1Q-S170, C1Q-S70, C1Q-S150
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| No clickable part rows were parsed for this section yet. | ||||
Carburetor C1Q-S67
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 27 | Strainer | 1123 121 7800 | 1123-121-7800-Online | 1 |
| 28 | Fixed jet 0.39 | 4228 121 5602 | 4228-121-5602-Online | 1 |
| 29 | End cover | 4140 121 0800 | 4140-121-0800-Online | 1 |
| 30 | Cap | 4226 121 2700 | 4226-121-2700-Online | 1 |
| 31 | Washer | 4137 121 8600 | 4137-121-8600-Online | 1 |
| 32 | Pump piston | 4229 121 5800 | 4229-121-5800-Online | 1 |
| 33 | Sealing ring | 4140 122 3600 | 4140-122-3600-Online | 1 |
| 34 | Spring | 4229 122 3001 | 4229-122-3001-Online | 1 |
| 35 | Strainer | 1120 121 7801 | 1120-121-7801-Online | 1 |
| 36 | CARBURATOR PARTS KIT 020 — Contains: 9, 10, 20, 21 | 1129 007 1062 | 1129-007-1062-Online | 1 |
Carburetor C1Q-S54
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Carburetor C1Q-S54B — Contains: 2 - 30 | Above Serial Number: 148411908 Up to Serial Number: 276836508 | 4228 120 0601 | 4228-120-0601-Online | 1 |
| 2 | Throttle sha with lever — Above Serial Number: 148411908 | 4226 120 7100 | 4226-120-7100-Online | 1 |
| 3 | Spring — Above Serial Number: 148411908 | 1123 122 3000 | 1123-122-3000-Online | 1 |
| 4 | Throttle shutter — Above Serial Number: 148411908 | 4228 121 3301 | 4228-121-3301-Online | 1 |
| 5 | Round head screw — Above Serial Number: 148411908 | 1125 122 7403 | 1125-122-7403-Online | 1 |
| 6 | E-clip — Above Serial Number: 148411908 | 1125 122 9001 | 1125-122-9001-Online | 1 |
| 7 | Pin — Above Serial Number: 148411908 | 4128 121 8901 | 4128-121-8901-Online | 1 |
| 8 | E-clip — Above Serial Number: 148411908 | 1120 122 9000 | 1120-122-9000-Online | 1 |
| 9 | Pump diaphragm — Above Serial Number: 148411908 | 1129 121 4800 | 1129-121-4800-Online | 1 |
| 10 | Pump gasket — Above Serial Number: 148411908 | 1123 129 0905 | 1123-129-0905-Online | 1 |
| 11 | End cover — Above Serial Number: 148411908 | 4128 121 0800 | 4128-121-0800-Online | 1 |
| 12 | Oval head screw — Above Serial Number: 148411908 | 1120 122 7800 | 1120-122-7800-Online | 1 |
| 13 | Inlet needle — Above Serial Number: 148411908 | Z000 018 Z000 | Z000-018-Z000-Online | 1 |
| 14 | Spring — Above Serial Number: 148411908 | 1120 122 3004 | 1120-122-3004-Online | 1 |
| 15 | Inlet control lever — Above Serial Number: 148411908 | 1125 121 5000 | 1125-121-5000-Online | 1 |
| 16 | Spindle — Above Serial Number: 148411908 | 1120 121 9200 | 1120-121-9200-Online | 1 |
Carburetor C1Q-S54
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| No clickable part rows were parsed for this section yet. | ||||
Carburetor C1Q-S49
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 27 | End cover | 1 | ||
| 28 | Cap | 4226 121 2700 | 4226-121-2700-Online | 1 |
| 29 | Cup plug | 4129 121 0700 | 4129-121-0700-Online | 1 |
| 30 | Fixed jet 0.43 | 4228 121 5600 | 4228-121-5600-Online | 1 |
| 31 | Washer | 4137 121 8600 | 4137-121-8600-Online | 1 |
| 32 | CARBURATOR PARTS KIT 020 — Contains: 9, 10, 18, 19 | 1129 007 1062 | 1129-007-1062-Online | 1 |
Gear head, Handlebar with hand guard
Cutter bar, Tools
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Spur gear | 4228 640 7505 | 4228-640-7505-Online | 1 |
| 2 | Thrust washer | 4228 642 8700 | 4228-642-8700-Online | 1 |
| 3 | Countersunk screw M5x16 | 9064 371 0985 | 9064-371-0985-Online | 2 |
| 4 | Blade 450 mm / 18" — Contains: 2 pieces | 4228 710 6050 | 4228-710-6050-Online | 1 |
| 5 | Guide 450 mm / 18" | 4228 641 4600 | 4228-641-4600-Online | 1 |
| 6 | Pan head screw IS M5x16 — Contains: (quantity as re- | quired) | 9022 341 0980 | 9022-341-0980-Online | 1 |
| 7 | Washer — Contains: (quantity as re- | quired) | 4237 958 0500 | 4237-958-0500-Online | 1 |
| 8 | Sleeve 4.85 mm — Contains: (quantity as re- | quired) | 4228 641 4900 | 4228-641-4900-Online | 1 |
| 9 | Hexagon nut M5 — Contains: (quantity as re- | quired) | 9216 263 0700 | 9216-263-0700-Online | 1 |
| 10 | Insert 450 mm | 4228 641 4700 | 4228-641-4700-Online | 1 |
| 11 | Blade guard 450 mm / 18" | 4228 790 9200 | 4228-790-9200-Online | 1 |
| 15 | Screwdriver | 0000 890 2300 | 0000-890-2300-Online | 1 |
| 17 | Combination wrench | 4128 890 3400 | 4128-890-3400-Online | 1 |
| 18 | Safety glasses | 0000 884 0307 | 0000-884-0307-Online | 1 |
Catcher blade
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Catcher blade 500 mm / 20" — Contains: 2 | 4859 740 3300 | 4859-740-3300-Online | 1 |
| 2 | Clip | 4859 748 0400 | 4859-748-0400-Online | 2 |
Serial number
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Position of serial number — Contains: Production D | 1 | ||
| 2 | Position of serial number — Contains: Production USA/ | CN | 1 | ||
| 3 | Position of serial number — Contains: Production D | 1 |
Miscellaneous lubricants and greases
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Multi-purpose grease (tube 40 g) | 0781 120 1021 | 0781-120-1021-Online | 1 |
| 1 | Multi-purpose grease (tube 80 g) | 0781 120 1109 | 0781-120-1109-Online | 1 |
| 1 | Multipurpose grease 225 g | 0781 120 1110 | 0781-120-1110-Online | 1 |
| 2 | Sealant, Dirko HT red | 0783 830 2000 | 0783-830-2000-Online | 1 |
| 3 | Press fluid OH 723 | 0781 957 9000 | 0781-957-9000-Online | 1 |
| 4 | HP 100ml | 0781 319 8401 | 0781-319-8401-Online | 1 |
| 4 | HP Super 100ml | 0781 319 8052 | 0781-319-8052-Online | 1 |
| 4 | HP Ultra 100ml | 0781 319 8060 | 0781-319-8060-Online | 1 |
Nipple
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Nipple | 0000 855 9200 | 0000-855-9200-Online | 1 |
Press arbor
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Press arbor | 1118 893 7200 | 1118-893-7200-Online | 1 |
Wrench
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Wrench | 4133 893 1301 | 4133-893-1301-Online | 1 |
Pliers C19
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Pliers C19 | 0811 641 8380 | 0811-641-8380-Online | 1 |
Socket, T27x125
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Driver bit, 1/4" square drive, T27x125 | 0812 542 2104 | 0812-542-2104-Online | 1 |
Hose 135 mm / 5 5/16"
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Hose 135 mm / 5 5/16" | 1110 141 8600 | 1110-141-8600-Online | 1 |
Assembly hook
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Assembly hook | 5910 890 2800 | 5910-890-2800-Online | 1 |
Assembly hook
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Assembly hook | 5910 893 8800 | 5910-893-8800-Online | 1 |
Installing tool
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Installing tool | 5910 890 2204 | 5910-890-2204-Online | 1 |
Locking strip
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Locking strip | 0000 893 5903 | 0000-893-5903-Online | 1 |
Torque wrench with optical/acoustic signal
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Torque wrench with optical/acousticsig- — nal | 5910 890 0312 | 5910-890-0312-Online | 1 |
Torque wrench
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Torque wrench | 5910 890 0311 | 5910-890-0311-Online | 1 |
Torque wrench with optical/acoustic signal
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| No clickable part rows were parsed for this section yet. | ||||
Torque wrench
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Torque wrench | 5910 890 0301 | 5910-890-0301-Online | 1 |
Socket, T27x140
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Driver bit, 1/4" hex drive, T27x140 | 0812 540 1112 | 0812-540-1112-Online | 1 |
Nipple
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Nipple | 0000 855 9201 | 0000-855-9201-Online | 1 |
Pump
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Pump | 0000 850 1300 | 0000-850-1300-Online | 1 | |
| Nipple | 0000 855 9201 | 0000-855-9201-Online | 1 | |
| Hose | 0000 855 0100 | 0000-855-0100-Online | 1 |
Screwdriver
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Screwdriver | 5910 890 2314 | 5910-890-2314-Online | 1 |
Screwdriver, T8
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Screwdriver, T8 | 5910 890 2310 | 5910-890-2310-Online | 1 |
Screwdriver, T27x150
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Screwdriver, T27x150 | 5910 890 2400 | 5910-890-2400-Online | 1 |
Screwdriver, Q-SW 8x200
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| Screwdriver, Q-SW 8x200 | 5910 890 2420 | 5910-890-2420-Online | 1 |
Socket, 8 mm, long reach
| Ref | Description | Part Number | Cutsmart SKU | Qty |
|---|---|---|---|---|
| 1 | Socket, 8 mm, long reach | 5910 893 2807 | 5910-893-2807-Online | 1 |







































