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STIHL MS291 Parts Lookup – OEM Parts List

Parts list for the Stihl MS291: 235 part numbers by assembly, including engine & fuel, drive & hydraulics, deck & body, filters & tune-up, seat & controls, electrical, spindles & pulleys, tires & wheels. Part numbers we carry link straight to the product page to order. Orders ship nationwide, and shipping is free on orders of $125 or more. Parts we don't stock can be special-ordered.

Serial number range: this list covers 0000000000 – 0000000000 and 0000000000 – 9999999999. Manufacturers change parts between serial ranges, so check the serial plate on your machine and confirm your serial in our machine parts lookup before ordering. Can't find a part? Search by part number at the top of the page.

Assemblies (19)

Motor housing19 parts
Part # Description Qty
1141-020-3019 ENGINE HOUSING 1 $131.38
1128-640-9100 VALVE 1 $5.00
0000-974-1200 NOTCHED PIN 2.6X8 1
1141-162-5205 PIN 1
1121-162-5200 PIN 1
1120-162-5200 PIN 1
1123-162-5200 PIN 1 $3.26
0000-664-2404 COLLAR SCREW M8 1 $3.26
0000-664-2411 COLLAR SCREW D9/M8 1 $8.36
0000-664-2407 COLLAR SCREW M8 1
1117-640-3800 PICKUP BODY 1
1141-647-9401 HOSE 1 $8.69
1141-791-5902 STOP BUFFER 1
0000-350-0532 FILLER CAP 1 $7.61
9645-948-7734 O-RING 25X3.5 1 $1.80
1141-141-7520 PRE-SEPARATOR 1
9074-477-4130 SCREW IS P5X16 1 $1.63
1141-656-7700 CHAIN CATCHER 1 $3.00
9074-477-4438 PAN HEAD SELF-TAPPING SCREW IS-P6X30 1
Cylinder21 parts
Part # Description Qty
1141-020-1206 CYLINDER WITH PISTON Ø 47 MM 1 $226.04
1141-034-1503 PISTON PIN 10X6X35 1
9463-650-1000 SNAP RING 10 2
1141-030-2004 PISTON Ø 47 MM 1
1140-034-3008 PISTON RING Ø 47X1,2 MM 2
9512-003-2333 NEEDLE CAGE 10X14X13.5 1
9075-478-4725 PAN HEAD SELF-TAPPING SCREW IS-D6X35 3
1141-028-0201 PAN HEAD SELF-TAPPING SCREW IS-D6X50 1
1141-141-2201 MANIFOLD 1
9771-021-2572 HOSE CLIP Ø 32X5 1
1141-020-1201 CYLINDER WITH PISTON Ø 47 MM 1
1141-030-2011 PISTON Ø 47 MM 1
9512-003-2330 NEEDLE CAGE 10X14X13.5 1
1141-140-2500 MANIFOLD 1
9022-313-0660 SPLINE SCREW IS-M4X12 3 $1.63
1141-030-0401 CRANKSHAFT 1
9523-003-4301 GROOVED BALL BEARING 15X38X11 2
9638-003-1581 OIL SEAL 15X25X5 1 $20.65
9639-951-1584 OIL SEAL 15X25X5 1 $20.65
9468-621-1520 CIRCLIP 15X1 1
0783-830-2000 SEALANT, DIRKO HT RED 1 $38.04
Muffler8 parts
Part # Description Qty
1141-140-0609 MUFFLER 1 $48.90
1135-145-9002 PLUG 2
1141-140-8100 SPARK ARRESTING SCREEN 1
9039-475-0656 SELF-TAPPING SCREW M4X9.6 1
9075-478-4085 PAN HEAD SELF-TAPPING SCREW IS-D5X18 2 $1.50
1141-141-3201 COOLING PLATE 1 $6.52
1141-140-0613 MUFFLER 1
1141-149-0600 MUFFLER GASKET 1 $3.26
Oil pump, Clutch5 parts
Part # Description Qty
1141-640-3203 OIL PUMP 1 $51.08
1122-649-5000 SEALING RING B4X2 1
9075-478-3018 PAN HEAD SELF-TAPPING SCREW IS-D4X18 2 $1.50
1133-640-7100 WORM 1 $15.82
1133-647-2400 SPRING 1
Clutch9 parts
Part # Description Qty
1121-162-3201 CARRIER 1
1121-162-0802 CLUTCH SHOE 3
0000-997-5600 TENSION SPRING 3 $1.63
1127-162-3000 RETAINER 3
1121-162-1001 COVER WASHER 1 $4.35
9512-933-2260 NEEDLE CAGE 10X13X10 1 $9.78
1141-640-2001 CHAIN SPROCKET 0.325" 7T 1 $25.00
0000-958-1022 WASHER Ø 27 MM 1 $2.17
9460-624-0801 E-CLIP 8X1,3 1 $1.09
Chain brake, Chain tensioner, Chain sprocket cover11 parts
Part # Description Qty
1128-160-5000 LEVER 1 $11.00
1121-162-5010 LEVER 1
0000-997-0628 SPRING 1 $1.63
9460-624-0400 E-CLIP 4 1
1141-162-5801 STRAP 1
0000-958-0521 WASHER 1
1141-160-5400 BRAKE BAND 1 $14.13
9074-477-2995 PAN HEAD SELF-TAPPING SCREW IS-P4X12 1
1141-160-5500 TENSION SPRING 1
1141-162-8001 HOSE 1
1141-021-1101 COVER 1 $13.04
Spur gear / chain adjusting screw kit7 parts
Part # Description Qty
1127-640-1900 TENSIONER SLIDE 1 $6.52
1123-664-1400 THRUST PAD 1 $1.63
1127-664-2200 COVER 1 $4.00
1140-640-1700 CHAIN SPROCKET COVER 1 $42.38
1121-648-6610 BUMPER STRIP 2 $2.17
0000-955-0801 HEXAGON NUT M8 2 $3.26
1110-664-0501 BUMPER SPIKE 1 $10.87
Ignition system, Wiring harness16 parts
Part # Description Qty
1141-400-1200 FLYWHEEL 1 $121.00
0000-955-0802 COLLAR NUT M8X1 1 $1.09
1141-400-1307 IGNITION MODULE 1 $109.40
0000-998-0603 TORSION SPRING 1
1106-405-1000 SPARK PLUG BOOT 1 $7.87
1128-084-1400 SPARK PLUG BOOT COVER 1
9291-021-0100 WASHER 4.3 2
0000-400-7000 SPARK PLUG NGK BPMR7A 1
0000-400-7029 SPARK PLUG STIHL ZK C 14 1
0000-400-7030 SPARK PLUG STIHL ZK C 14, PACK OF 40 1
1141-440-3004 WIRING HARNESS 1
1141-400-1303 IGNITION MODULE 1
1141-440-3000 WIRING HARNESS 1
1141-007-1800 SERVICING KIT 1 $28.26
0000-350-3518 PICKUP BODY 1 $6.52
1141-140-4400 AIR FILTER HD2 1 $16.52
Fan housing with rewind starter10 parts
Part # Description Qty
1141-080-1801 FAN HOUSING 1 $41.00
1110-084-9102 BUSHING 1
1141-084-7802 SEGMENT 1 $6.52
1135-190-0600 REWIND SPRING 1 $14.13
1128-195-0400 ROPE ROTOR 1 $10.87
1125-195-7200 PAWL 1 $3.26
0000-958-0923 WASHER 1 $1.63
1118-195-3500 SPRING 1 $1.63
1121-195-3400 STARTER GRIP 1 $5.43
1113-195-8200 STARTER ROPE Ø 3.5X960 MM 1
Starter rope Ø 3.5 mm / 28 pieces5 parts
Part # Description Qty
9074-477-4135 PAN HEAD SELF-TAPPING SCREW IS-P5X20 4 $1.63
1133-791-7201 SLEEVE 1
1141-790-9101 HAND GUARD 1 $30.43
1141-967-1503 MODEL PLATE MS 291 1
0000-967-3908 INSTRUCTION LABEL 1
Tank housing9 parts
Part # Description Qty
1141-350-0824 TANK HOUSING 1 $141.00
1141-350-0831 TANK HOUSING 1
0000-350-5800 TANK VENT 1 $10.87
1141-358-7708 HOSE 1 $9.72
4224-122-3900 ELBOW CONNECTOR 1 $4.35
1141-358-7710 HOSE 1 $15.21
0000-967-7247 WARNING PICTOGRAM MS 1
0000-967-3500 INSTRUCTION LABEL 1
0000-967-3918 INSTRUCTION LABEL 1
AV system, Handlebar14 parts
Part # Description Qty
1135-791-2800 ANNULAR BUFFER 1 $7.71
1141-792-2900 AV MOUNT 1
1141-791-3112 SPRING 1
1141-791-3102 SPRING 1 $4.00
1141-792-2910 AV MOUNT 1 $2.50
1141-792-2902 AV MOUNT 1
1135-790-8100 RETAINER 1 $6.00
1141-790-8304 AV-SPRING 1
9104-003-3004 SCREW IS P4X14 1
1141-791-5903 STOP BUFFER 1
1141-122-9903 BUFFER 2
1141-791-1700 HANDLEBAR 1
1141-791-1706 HANDLEBAR 1 $61.94
9074-478-4675 PAN HEAD SELF-TAPPING SCREW IS-P6X32.5 4
Air baffle, Carburetor bracket, Shroud19 parts
Part # Description Qty
1141-087-3005 AIR GUIDE SHROUD 1
1141-084-4100 SHUTTER 1
1141-120-0901 CARBURETOR BRACKET 1
1141-121-8600 WASHER 1
1141-120-0611 CARBURETOR C1Q-S246D (1141/11) 1 $45.52
1141-141-0904 AIR FILTER BASE 1
1141-122-9902 BUFFER 2
1141-121-6900 BAFFLE 1
9216-261-0700 HEXAGON NUT M5 2
1141-120-1600 AIR FILTER, FLEECE 1 $14.13
1141-080-1601 SHROUD 1 $40.21
9022-319-1028 SCREW IS-M5X14 3 $1.63
0000-967-4058 WARNING PICTOGRAM FILLER CAP 1
0000-967-3749 WARNING PICTOGRAM FILLER CAP 1
0000-967-4055 WARNING SPARK ARRESTING SCREEN 1
0000-967-7252 WARNING PICTOGRAM FILLER CAP 1
1141-120-0616 CARBURETOR C1Q-S252B 1 $85.85
1141-120-0606 CARBURETOR C1Q-S211B 1
1141-087-3004 AIR GUIDE SHROUD 1
Carburetor C1Q-S246, C1Q-S252, C1Q-S211, C1Q-S17836 parts
Part # Description Qty
1141-120-0600 CARBURETOR C1Q-S178D 1
4116-121-5100 INLET NEEDLE 1
1125-121-5000 INLET CONTROL LEVER 1
1128-122-3000 SPRING 1
1120-121-9200 SPINDLE 1
0000-122-7101 SCREW 1
4241-122-6600 COLLAR SCREW 1
1141-129-0900 METERING GASKET 1
1141-121-4730 METERING DIAPHRAGM 1
1141-121-0800 END COVER 1
1120-122-6601 COLLAR SCREW 4
9646-945-0490 O-RING 7X1.5 1
1129-121-4800 PUMP DIAPHRAGM 1
1123-129-0905 PUMP GASKET 1 $1.50
1139-121-0800 END COVER 1
1120-122-7800 OVAL HEAD SCREW 1
1141-120-6801 LOW SPEED SCREW 1
1141-120-6800 LOW SPEED SCREW 1
0000-121-2704 CAP 1
1141-122-6800 LOW SPEED SCREW 1
1141-122-6701 HIGH SPEED SCREW 1
1141-122-6700 HIGH SPEED SCREW 1
1141-121-2704 CAP 1
1141-121-2702 CAP 1
1141-121-2703 CAP 1
1141-121-2700 CAP 1 $4.35
1141-122-6200 IDLE SPEED SCREW 1
1123-121-7800 STRAINER 1
1141-121-6603 LEVER 1
1141-121-6600 LEVER 1
4132-122-6600 COLLAR SCREW 1
9079-319-0280 FLAT HEAD SCREW M3X3.5 1
1141-121-9401 RING 1
1141-121-9402 RING 1
1143-120-9701 PUMP PISTON KIT 1
1141-007-1030 SET OF CARBURETOR PARTS 1
Throttle control10 parts
Part # Description Qty
1141-182-1000 THROTTLE TRIGGER 1 $6.00
1138-182-4500 TORSION SPRING 1 $1.50
1141-182-0800 LOCKOUT LEVER 1 $6.00
1141-791-0600 HANDLE MOLDING 1 $5.06
9371-470-2640 CYLINDRICAL PIN 5X24 1 $1.09
1141-182-1500 THROTTLE ROD 1 $7.00
1141-182-0900 SWITCH SHAFT 1 $8.00
1141-442-1620 CONTACT SPRING 1 $3.80
1141-442-1600 CONTACT SPRING 1
1141-185-1900 CHOKE ROD 1 $7.12
Tools, Extras1 parts
Part # Description Qty
1129-890-3401 COMBINATION WRENCH 1 $7.61
2-in-1 laser12 parts
Part # Description Qty
0812-370-1000 SCREWDRIVER T27X120X70 1
0000-400-0200 LASER 1
0000-890-2300 SCREWDRIVER 1
0000-430-9900 HANDLE MOLDING, BOTTOM 1
0000-891-0810 TOOL ROLL 1
0000-967-7307 WARNING PICTOGRAM 1
0000-792-9129 CHAIN SCABBARD 1
9074-478-2967 PAN HEAD SELF-TAPPING SCREW IS-P4X10 2
0000-792-9132 CHAIN SCABBARD EXTENSION UP TO 63 CM 1
0000-491-0100 BAG 1
1110-893-4000 FILING GAUGE 1 $7.61
1141-791-5400 ZUBEHÖR MOTORSÄGE 1
Serial number7 parts
Part # Description Qty
0781-120-1021 MULTI-PURPOSE GREASE (TUBE 40 G) 1 $3.26
0781-120-1109 MULTI-PURPOSE GREASE (TUBE 80 G) 1 $6.52
0781-120-1110 MULTIPURPOSE GREASE 225 G 1
0781-957-9000 PRESS FLUID OH 723 1 $10.87
0781-319-8401 HP 100ML 1
0781-319-8052 HP SUPER 100ML 1
0781-319-8060 HP ULTRA 100ML 1
Bar & Chain16 parts
Part # Description Qty
3003-812-3317 18" Guide Bar — .325" pitch / .050 gauge / 74 DL | Chain: 23 RM3 74 | 3695 005 0074
3695-005-0074 18" Guide Bar — .325" pitch / .050 gauge / 74 DL
3003-812-6817 18" Guide Bar — .325" pitch / .063 gauge / 74 DL | Chain: 26 RM3 74 | 3689 005 0074
3689-005-0074 18" Guide Bar — .325" pitch / .063 gauge / 74 DL
3003-812-3321 20" Guide Bar — .325" pitch / .050 gauge / 81 DL | Chain: 23 RM3 81 | 3695 005 0081
3695-005-0081 20" Guide Bar — .325" pitch / .050 gauge / 81 DL
3003-812-6821 20" Guide Bar — .325" pitch / .063 gauge / 81 DL | Chain: 26 RM3 81 | 3689 005 0081
3689-005-0081 20" Guide Bar — .325" pitch / .063 gauge / 81 DL
3003-008-6817 18" Guide Bar — .325" pitch / .063 gauge / 74 DL | Chain: 26 RM3 74 | 3689 005 0074
3003-008-6821 20" Guide Bar — .325" pitch / .063 gauge / 81 DL | Chain: 26 RM3 81 | 3689 005 0081
3003-008-3317 18" Guide Bar — .325" pitch / .050 gauge / 74 DL | Chain: 23 RM3 74 | 3695 005 0074
3003-008-3321 20" Guide Bar — .325" pitch / .050 gauge / 81 DL | Chain: 23 RM3 81 | 3695 005 0081
3003-813-6813 26 RM3 67 | 26 RD3 67 | 26 RM 67
3003-812-6813 26 RM3 67 | 26 RD3 67 | 26 RM 67
3003-008-6613 23 RM3 67 | 23 RS3 67 | 23 RD3 67 | 23 RM 67
3003-008-6813 26 RM3 67 | 26 RD3 67 | 26 RM 67

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STIHL is a trademark of its owner. Outdoor Power LLC sells genuine OEM and quality replacement parts.