STIHL FS91R Parts Lookup – OEM Parts List
Parts list for the Stihl FS91R: 196 part numbers by assembly, including engine & fuel, drive & hydraulics, deck & body, seat & controls, electrical, filters & tune-up, tires & wheels, spindles & pulleys. 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 – 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 (13)
- A - Engine Ø 38 mm
- Tank vent
- C - Rewind starter, Fuel tank
- G - Ignition system
- I - Carburetor
- J - Clutch, Fan housing
- L - Handle
- M - Drive tube assembly FS 91 R
- O - Drive tube assembly FS 91 R
- Q - Gear head
- S - Transport guard
- W - Tightening torques
- X - Tightening torques
A - Engine Ø 38 mm38 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4180-020-0204 | ENGINE Ø 38 MM | 1 | $190.00 |
| 4180-020-1208 | CYLINDER WITH PISTON Ø 38 MM | 1 | |
| 4180-025-2010 | VALVE | 2 | |
| 4180-025-1600 | VALVE SPRING | 2 | |
| 4180-025-3000 | SPRING RETAINER PLATE | 2 | |
| 4180-038-1700 | COLLAR SCREW M5 | 2 | |
| 4180-030-2007 | PISTON Ø 38 MM | 1 | |
| 4180-034-3002 | PISTON RING Ø 38X1.2 MM | 2 | |
| 4137-034-1500 | PISTON PIN 8X5X22 | 1 | |
| 9463-650-0805 | SNAP RING 8X0.7 | 2 | |
| 9075-478-4159 | PAN HEAD SELF-TAPPING SCREW IS-D5X24 | 4 | $1.63 |
| 4180-030-0410 | CRANKSHAFT | 1 | |
| 9639-003-1231 | OIL SEAL 12X22X7 | 2 | $8.00 |
| 4180-021-2500 | ENGINE PAN | 1 | $43.00 |
| 4180-448-1201 | LEAD RETAINER | 1 | $4.49 |
| 9074-478-2970 | PAN HEAD SELF-TAPPING SCREW IS-P4X10 | 1 | |
| 4180-141-8602 | IMPULSE HOSE | 1 | |
| 4180-030-1800 | CAM WHEEL | 1 | $13.70 |
| 4180-038-0801 | PIN 5X28 | 2 | |
| 4180-038-1900 | CAM FOLLOWER | 2 | $9.78 |
| 4180-038-1301 | COVER | 1 | |
| 9075-478-3018 | PAN HEAD SELF-TAPPING SCREW IS-D4X18 | 4 | $1.50 |
| 4180-038-2600 | PUSHROD | 2 | $2.96 |
| 4282-038-1000 | ROCKER ARM | 2 | |
| 4180-038-2000 | SLEEVE | 2 | |
| 4180-038-2700 | LOCK NUT M5 | 2 | |
| 4180-029-0500 | GASKET | 1 | $2.72 |
| 4180-025-1100 | VALVE COVER | 1 | |
| 9022-346-1070 | SPLINE SCREW IS-M5X30 | 1 | $2.17 |
| 9636-815-0270 | SEALING RING 5X9X1 | 1 | |
| 4180-149-0600 | MUFFLER GASKET | 1 | |
| 4114-149-1205 | GASKET | 1 | $2.72 |
| 4180-129-0907 | GASKET | 1 | $1.50 |
| 4180-129-0900 | GASKET | 1 | $1.50 |
| 4180-893-6400 | SETTING GAUGE | 1 | |
| 4180-007-1036 | SET OF GASKETS | 1 | |
| 4180-007-1005 | VALVE CLEARANCE SETTING KIT | 1 | $3.80 |
| 0783-830-2000 | SEALANT, DIRKO HT RED | 1 | $38.04 |
Tank vent31 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4223-195-0600 | STARTER CUP | 1 | $8.00 |
| 9210-261-1140 | HEXAGON NUT M8X1 | 1 | $1.50 |
| 4180-190-4002 | REWIND STARTER | 1 | $34.00 |
| 4180-190-0401 | STARTER COVER | 1 | |
| 9416-868-6650 | RIVET 6.5X0.5X8.8 | 1 | |
| 4180-190-0600 | REWIND SPRING | 1 | $14.13 |
| 0000-958-0923 | WASHER | 1 | $1.63 |
| 4116-195-7200 | PAWL | 1 | $3.26 |
| 1118-195-3500 | SPRING | 1 | $1.63 |
| 0000-195-8203 | STARTER ROPE Ø 3X850 MM | 1 | |
| 0000-930-2208 | STARTER ROPE Ø 3 MM X 30.5 M | 1 | |
| 0000-930-2211 | STARTER ROPE Ø 3 MM X 60.8 M | 1 | $55.42 |
| 4128-195-0400 | ROPE ROTOR | 1 | |
| 4140-195-3400 | STARTER GRIP | 1 | $5.43 |
| 4180-967-1556 | MODEL PLATE FS 91 R | 1 | |
| 4180-350-0434 | FUEL TANK | 1 | $71.73 |
| 9991-003-5087 | SLEEVE 7.5X6.8 | 2 | $1.50 |
| 4180-352-8100 | INSERT | 2 | |
| 4180-358-7702 | HOSE | 1 | |
| 4148-353-2700 | CONNECTOR | 2 | |
| 0000-937-5004 | HOSE 3.1X5.7 MM X 1 M, R5 | 1 | $47.82 |
| 0000-930-2803 | HOSE 3.1X5.7 MM X 1 M, R3 | 1 | |
| 0712-923-8004 | HOSE 3.1X5.7 MM X 10 M, R3 | 1 | $54.34 |
| 0000-350-3521 | PICKUP BODY | 1 | |
| 0000-350-0527 | FILLER CAP | 1 | $6.77 |
| 9645-951-3890 | O-RING 35X3-FPM 80 | 1 | |
| 0000-350-0900 | ROPE | 1 | |
| 4180-350-6502 | COVER. | 1 | |
| 4180-007-1042 | SERVICE KIT | 1 | $32.59 |
| 0000-400-7027 | SPARK PLUG STIHL ZK H 10 | 1 | |
| 4180-141-0300 | AIR FILTER | 1 | $9.78 |
C - Rewind starter, Fuel tank1 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 0000-350-5807 | TANK VENT | 1 | $10.87 |
G - Ignition system7 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4180-400-1200 | FLYWHEEL | 1 | |
| 4180-400-1320 | IGNITION MODULE | 1 | $71.73 |
| 0000-998-0604 | SPARK PLUG CONTACT SPRING | 1 | $1.63 |
| 0000-405-1005 | SPARK PLUG BOOT | 1 | |
| 4180-405-8000 | INSULATOR | 1 | |
| 9291-021-0100 | WASHER 4.3 | 2 | |
| 0000-400-7028 | SPARK PLUG STIHL ZK H 10, PACK OF 40 | 1 |
I - Carburetor42 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4180-120-0618 | CARBURETOR 4180/18 | 1 | $52.16 |
| 4180-120-7107 | THROTTLE SHAFT WITH LEVER | 1 | |
| 4180-122-3007 | SPRING | 1 | |
| 4180-121-8601 | WASHER | 2 | |
| 4180-122-3601 | SEALING RING | 1 | |
| 4180-121-3300 | THROTTLE SHUTTER | 1 | |
| 1125-122-7403 | ROUND HEAD SCREW | 2 | |
| 1125-122-9001 | E-CLIP | 1 | |
| Z000-042-K001 | CHOKE LEVER KIT | 1 | $9.00 |
| 0000-997-3101 | COMPRESSION SPRING | 1 | |
| 1120-122-6601 | COLLAR SCREW | 1 | |
| 4180-121-3005 | CHOKE SHAFT | 1 | |
| 4282-122-9000 | E-CLIP | 1 | |
| 4180-121-6601 | LEVER | 1 | |
| 4180-121-2901 | CHOKE SHUTTER | 1 | |
| 4180-122-3008 | SPRING | 1 | |
| 4147-122-9001 | E-CLIP | 1 | |
| Z010-035-A005 | IDLE SPEED SCREW ASSY | 1 | |
| 1125-122-4200 | CLAMP | 1 | |
| 4180-122-6706 | HIGH SPEED SCREW | 1 | |
| 4180-122-6805 | LOW SPEED SCREW | 1 | |
| 1123-121-7800 | STRAINER | 1 | |
| 4180-121-4802 | PUMP DIAPHRAGM | 1 | |
| 4180-129-0908 | PUMP GASKET | 1 | |
| 4180-121-8602 | WASHER | 1 | |
| 4180-122-3006 | SPRING | 1 | |
| 4180-121-0803 | END COVER | 1 | |
| 4242-122-7100 | SCREW | 2 | |
| Z000-018-Z000 | INLET NEEDLE | 1 | |
| 1120-122-3004 | SPRING | 1 | |
| 4229-121-5000 | INLET CONTROL LEVER | 1 | |
| 1120-121-9200 | SPINDLE | 1 | |
| 0000-122-7101 | SCREW | 1 | |
| 1141-129-0900 | METERING GASKET | 1 | |
| 1141-121-4730 | METERING DIAPHRAGM | 1 | |
| 4180-120-2209 | FLANGE | 1 | |
| 4226-121-2700 | CAP | 1 | $4.35 |
| 4140-121-0800 | END COVER | 1 | $8.69 |
| 4140-122-7100 | SCREW | 4 | |
| 4180-120-9704 | PUMP PISTON KIT | 1 | |
| 4180-007-1035 | SET OF CARBURETOR PARTS | 1 | $20.65 |
| Z010-001-K017 | CARBURETOR REPAIR KIT RB-287 | 1 |
J - Clutch, Fan housing15 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4180-160-2000 | CLUTCH | 1 | $36.95 |
| 0000-997-5902 | TENSION SPRING | 1 | $3.80 |
| 0000-961-0601 | RING | 2 | $1.63 |
| 4180-162-1000 | COVER WASHER | 2 | |
| 0000-958-1000 | WASHER 16X10X0.5 | 2 | |
| 0000-951-0600 | HEXAGON HEAD SCREW M6 | 2 | |
| 4180-080-1819 | FAN HOUSING | 1 | $119.54 |
| 9455-621-1130 | CIRCLIP 12X1 | 1 | |
| 4149-160-2902 | CLUTCH DRUM | 1 | $29.00 |
| 4180-791-9303 | RUBBER INSERT | 1 | |
| 4180-791-9403 | CLAMP | 1 | $20.92 |
| 9291-021-0140 | WASHER 6.4 | 1 | |
| 9075-478-4718 | PAN HEAD SELF-TAPPING SCREW IS-D6X32 | 1 | |
| 9457-621-4482 | CIRCLIP | 1 | |
| 4180-160-2250 | CLUTCH | 1 |
L - Handle20 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4180-790-1314 | CONTROL HANDLE | 1 | $57.00 |
| 4180-790-0301 | HANDLE | 1 | |
| 4144-791-9400 | HOSE CLAMP | 2 | |
| 9022-341-0960 | SPLINE SCREW IS-M5X12 | 2 | $1.63 |
| 4149-182-4500 | TORSION SPRING | 1 | |
| 4149-182-1000 | THROTTLE TRIGGER | 1 | $9.78 |
| 9074-478-2967 | PAN HEAD SELF-TAPPING SCREW IS-P4X10 | 1 | |
| 4149-182-0800 | LOCKOUT LEVER | 1 | $6.52 |
| 4128-182-4501 | TORSION SPRING | 1 | $1.50 |
| 4149-182-2801 | LEVER | 1 | |
| 4149-182-2800 | LEVER | 1 | |
| 4149-442-1601 | CONTACT SPRING | 1 | |
| 4149-442-1600 | CONTACT SPRING | 1 | |
| 9074-478-3025 | PAN HEAD SCREW IS P4X16 | 4 | $1.63 |
| 4180-180-1110 | THROTTLE CABLE | 1 | $24.00 |
| 4180-790-3408 | LOOP HANDLE | 1 | $22.82 |
| 4123-791-7400 | STRAP | 2 | |
| 4130-790-8450 | BOW | 1 | |
| 9022-341-1370 | PAN HEAD SCREW IS M6X30 | 2 | $2.17 |
| 9222-068-0900 | SQUARE NUT M6 | 2 |
M - Drive tube assembly FS 91 R10 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4137-710-7108 | DRIVE TUBE ASSEMBLY Ø 25.4 MM / 1" X 1.5 M / 59 1/16" | 1 | |
| 4137-711-7300 | FLEXIBLE LINER 1455 MM | 1 | $23.00 |
| 4137-711-2101 | PLUG | 2 | |
| 4137-711-3200 | DRIVE SHAFT | 1 | $28.26 |
| 0000-790-8801 | LOOP | 1 | |
| 9022-341-0980 | PAN HEAD SCREW IS M5X16 | 1 | $1.63 |
| 9210-261-0700 | HEXAGON NUT M5 | 1 | $1.09 |
| 0000-967-7253 | WARNING PICTOGRAM FS | 1 | |
| 0000-711-2500 | SLEEVE | 1 | |
| 0781-120-1110 | MULTIPURPOSE GREASE 225 G | 1 |
O - Drive tube assembly FS 91 R2 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4137-710-7100 | DRIVE TUBE ASSEMBLY Ø 25.4 MM X 1.5 M / 1" X 59 3/50" | 1 | $55.42 |
| 0000-967-7254 | WARNING PICTOGRAM FS | 1 |
Q - Gear head17 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4180-640-0114 | GEAR HEAD | 1 | $129.31 |
| 9503-003-0060 | GROOVED BALL BEARING 629 | 1 | |
| 4180-640-7301 | SET OF PINIONS | 1 | |
| 4180-642-0602 | DRIVE SHAFT | 1 | |
| 9503-003-6440 | GROOVED BALL BEARING 6201-2RS | 1 | |
| 9456-621-3600 | CIRCLIPS 32X1,2 | 1 | |
| 9503-003-9853 | GROOVED BALL BEARING 609-2Z | 2 | |
| 9455-621-0750 | CIRCLIP 9X1 | 1 | $1.09 |
| 9456-621-2660 | CIRCLIP 24X1.2 | 1 | |
| 4180-641-0800 | RETAINING PLUG | 1 | |
| 9022-341-1371 | SPLINE SCREW IS-M6X30 | 1 | |
| 4119-713-6500 | PLUG SCREW | 1 | $4.26 |
| 4137-710-3800 | THRUST PLATE | 1 | $23.91 |
| 4180-710-8500 | RIDER PLATE | 1 | $14.13 |
| 4126-642-7600 | COLLAR NUT M10X1 L/H THREAD | 1 | $5.42 |
| 4130-893-7800 | LOCKING PIN | 1 | |
| 0781-120-1117 | GEARBOX GREASE (80G TUBE) | 1 | $6.52 |
S - Transport guard8 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 4116-790-3901 | TRANSPORT GUARD Ø 350 | 1 | |
| 4116-792-4300 | CLAMPING WIRE | 1 | |
| 4119-790-3901 | TRANSPORT GUARD Ø 225 | 1 | |
| 4119-792-4300 | CLAMPING WIRE | 1 | |
| 0000-790-3901 | TRANSPORT GUARD | 1 | |
| 4119-790-3906 | TRANSPORT GUARD Ø 260 | 1 | |
| 4119-792-4305 | CLAMPING WIRE | 1 | |
| 4147-717-3000 | TRANSPORT GUARD | 1 |
W - Tightening torques4 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 9039-448-0656 | SELF-TAPPING SCREW M4X9.6 | 1 | |
| 9075-478-4175 | PAN HEAD SELF-TAPPING SCREW IS-D5X28 | 1 | |
| 9216-261-0700 | HEXAGON NUT M5 | 2 | |
| 0000-951-1114 | SCREW M5X12 | 3 |
X - Tightening torques1 parts
| Part # | Description | Qty | |
|---|---|---|---|
| 9022-341-1220 | SPLINE SCREW IS-M5X48 | 1 | $2.72 |
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