Husqvarna Parts

Husqvarna Chainsaw Replacement Parts For Model 266 (1986-01)

We Sell Only Genuine Husqvarna Parts

Popular Parts for 266

Search Within Model

Questions & Answers for Husqvarna 266
Browse all Parts Search by Area
Page A Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page A
Page B Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page B
Page C Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page C
Page D Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page D
Page E Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page E
Page F Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page F
Page G Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page G
Page H Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page H
Page I Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page I
Page J Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page J
Page K Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page K
Page L Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page L
Page M Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page M
Previous Showing All Parts Next
Page A
Page A Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • A-1
    Air Filter – Part Number: 501807101
    Air Filter
    Part Number: 501807101
      Special Order
    $54.35
  • A-2
    Air Filter – Part Number: 501807105
    Air Filter
    Part Number: 501807105
      Special Order
    $54.35
  • A-3
    Stud 5x22 – Part Number: 503208006
    Stud 5x22
    Part Number: 503208006
      In Stock
    $7.64
  • A-4
    Air Filter Holder – Part Number: 504358610
    Air Filter Holder
    Part Number: 504358610
      No Longer Available
  • A-5
    Air Filter Holder – Part Number: 504358610
    Air Filter Holder
    Part Number: 504358610
      No Longer Available
  • A-6
    Gasket – Part Number: 501296402
    Gasket
    Part Number: 501296402
      In Stock
    $5.95
  • A-7
    SCREW MC6S 5X55 – Part Number: 725534255
    SCREW MC6S 5X55
    Part Number: 725534255
      Special Order
    $6.36
  • A-8
    Carburetor – Part Number: 501777901
    Carburetor
    Part Number: 501777901
      No Longer Available
  • A-9
    Sleeve – Part Number: 501289201
    Sleeve
    Part Number: 501289201
      Special Order
    $9.01
  • A-10
    Screw Mc6S 5x30 – Part Number: 725533555
    Screw Mc6S 5x30
    Part Number: 725533555
      Special Order
    $5.98
  • A-11
    Spacer – Part Number: 501511803
    Spacer
    Part Number: 501511803
      No Longer Available
  • A-12
    Sealing Collar – Part Number: 501686401
    Sealing Collar
    Part Number: 501686401
      No Longer Available
  • A-13
    Gasket – Part Number: 501511902
    Gasket
    Part Number: 501511902
      In Stock
    $5.97
Page B
Page B Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • B-1
    Carburetor – Part Number: 501777901
    Carburetor
    Part Number: 501777901
      No Longer Available
  • B-2
    Screw – Part Number: 501221501
    Screw
    Part Number: 501221501
      No Longer Available
  • B-3
    Screw – Part Number: 503652701
    Screw
    Part Number: 503652701
      Special Order
    $5.95
  • B-4
    Choke Flap – Part Number: 502012201
    Choke Flap
    Part Number: 502012201
      No Longer Available
  • B-5
    Cap – Part Number: 501221401
    Cap
    Part Number: 501221401
      No Longer Available
  • B-6
    Gasket, Pump Side – Part Number: 501221301
    Gasket, Pump Side
    Part Number: 501221301
      Special Order
    $5.96
  • B-7
    Fuel Pump Diaphragm – Part Number: 501221201
    Fuel Pump Diaphragm
    Part Number: 501221201
      Special Order
    $11.92
  • B-8
    Choke Shaft and Lever – Part Number: 501576101
    Choke Shaft and Lever
    Part Number: 501576101
      No Longer Available
  • B-9
    Nipple – Part Number: 503801301
    Nipple
    Part Number: 503801301
      No Longer Available
  • B-10
    Retaining Ring – Part Number: 501821801
    Retaining Ring
    Part Number: 501821801
      No Longer Available
  • B-11
    Washer – Part Number: 501821701
    Washer
    Part Number: 501821701
      Special Order
    $11.96
  • B-12
    Filter – Part Number: 578004601
    Filter
    Part Number: 578004601
      No Longer Available
  • B-13
    Screen – Part Number: 501220001
    Screen
    Part Number: 501220001
      No Longer Available
  • B-14
    Plug – Part Number: 501220301
    Plug
    Part Number: 501220301
      No Longer Available
  • B-15
    Locking Ring – Part Number: 501220101
    Locking Ring
    Part Number: 501220101
      No Longer Available
  • B-16
    Plug (Til 179-60x) – Part Number: 501220201
    Plug (Til 179-60x)
    Part Number: 501220201
      No Longer Available
  • B-18
    Spring – Part Number: 501222501
    Spring
    Part Number: 501222501
      Special Order
    $5.96
  • B-19
    Lever – Part Number: 501222001
    Lever
    Part Number: 501222001
      Special Order
    $9.72
  • B-20
    Diaphragm Set – Part Number: 501494802
    Diaphragm Set
    Part Number: 501494802
    ★★★★★
    ★★★★★
    (1)
      In Stock
    $26.88
  • B-21
    Gasket, Metering Side – Part Number: 501220801
    Gasket, Metering Side
    Part Number: 501220801
      Special Order
    $5.96
  • B-22
    Metering Diaphragm – Part Number: 501220901
    Metering Diaphragm
    Part Number: 501220901
      In Stock
    $35.72
  • B-23
    Cap – Part Number: 501221001
    Cap
    Part Number: 501221001
      No Longer Available
  • B-25
    Screw – Part Number: 503652701
    Screw
    Part Number: 503652701
      Special Order
    $5.95
  • B-26
    Needle H – Part Number: 501268901
    Needle H
    Part Number: 501268901
      No Longer Available
  • B-27
    Spring – Part Number: 501221701
    Spring
    Part Number: 501221701
      No Longer Available
  • B-28
    Idle Adj. Screw – Part Number: 501268501
    Idle Adj. Screw
    Part Number: 501268501
      In Stock
    $31.88
  • B-29
    Spring – Part Number: 501269001
    Spring
    Part Number: 501269001
      No Longer Available
  • B-30
    Screw – Part Number: 501222201
    Screw
    Part Number: 501222201
      No Longer Available
  • B-31
    Shaft – Part Number: 501222101
    Shaft
    Part Number: 501222101
      Special Order
    $19.40
  • B-32
    Ball – Part Number: 501220401
    Ball
    Part Number: 501220401
      No Longer Available
  • B-33
    Spring – Part Number: 501220501
    Spring
    Part Number: 501220501
      Special Order
    $5.95
  • B-35
    Spring – Part Number: 501815801
    Spring
    Part Number: 501815801
      No Longer Available
  • B-36
    Throttle Flap – Part Number: 501691101
    Throttle Flap
    Part Number: 501691101
      Special Order
    $19.40
  • B-37
    Throttle Shaft – Part Number: 501814401
    Throttle Shaft
    Part Number: 501814401
      No Longer Available
Page C
Page C Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • C-1
    Chain Brake – Part Number: 503736601
    Chain Brake
    Part Number: 503736601
      Special Order
    $152.83
  • C-2
    Chain Brake – Part Number: 503736601
    Chain Brake
    Part Number: 503736601
      Special Order
    $152.83
  • C-3
    Chainbrake – Part Number: 501536008
    Chainbrake
    Part Number: 501536008
      No Longer Available
  • C-4
    Screw – Part Number: 501611701
    Screw
    Part Number: 501611701
      No Longer Available
  • C-5
    Pawl – Part Number: 501823201
    Pawl
    Part Number: 501823201
      No Longer Available
  • C-6
    Spring – Part Number: 501480901
    Spring
    Part Number: 501480901
      No Longer Available
  • C-8
    Spiral Pin 4x12 – Part Number: 721425250
    Spiral Pin 4x12
    Part Number: 721425250
      In Stock
    $5.95
  • C-9
    Brake Spring – Part Number: 503151201
    Brake Spring
    Part Number: 503151201
      No Longer Available
  • C-10
    Spring Guide – Part Number: 501768701
    Spring Guide
    Part Number: 501768701
      No Longer Available
  • C-11
    Spring Pin 4x14 – Part Number: 721425300
    Spring Pin 4x14
    Part Number: 721425300
      No Longer Available
  • C-12
    Brake Band – Part Number: 501830201
    Brake Band
    Part Number: 501830201
      No Longer Available
  • C-13
    Pivot Sleeve – Part Number: 501824301
    Pivot Sleeve
    Part Number: 501824301
      No Longer Available
  • C-14
    Hand Guard – Part Number: 501536202
    Hand Guard
    Part Number: 501536202
      No Longer Available
  • C-15
    Hand Guard – Part Number: 501536203
    Hand Guard
    Part Number: 501536203
      No Longer Available
  • C-16
    Handguard – Part Number: 501916101
    Handguard
    Part Number: 501916101
      No Longer Available
  • C-17
    Pivot Sleeve – Part Number: 501824401
    Pivot Sleeve
    Part Number: 501824401
      No Longer Available
  • C-18
    Spring Pin 2x10 – Part Number: 721416500
    Spring Pin 2x10
    Part Number: 721416500
      No Longer Available
  • C-20
    Flange Nut – Part Number: 503220001
    Flange Nut
    Part Number: 503220001
    ★★★★★
    ★★★★★
    (8)
      In Stock
    $5.95
  • C-21
    Clutch Cover – Part Number: 501830103
    Clutch Cover
    Part Number: 501830103
      No Longer Available
  • C-22
    Rivet – Part Number: 501608201
    Rivet
    Part Number: 501608201
      No Longer Available
  • C-24
    Chain Pad – Part Number: 501517201
    Chain Pad
    Part Number: 501517201
      In Stock
    $7.45
  • C-25
    Nut – Part Number: 501831001
    Nut
    Part Number: 501831001
      No Longer Available
  • C-26
    Catch – Part Number: 501824101
    Catch
    Part Number: 501824101
      No Longer Available
  • C-27
    Spacer – Part Number: 501823901
    Spacer
    Part Number: 501823901
      No Longer Available
  • C-28
    Rivet 4x18 – Part Number: 722142401
    Rivet 4x18
    Part Number: 722142401
      No Longer Available
Page D
Page D Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page E
Page E Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • E-1
    Crankshaft – Part Number: 503613371
    Crankshaft
    Part Number: 503613371
      No Longer Available
  • E-2
    Needle Bearing – Part Number: 577572401
    Needle Bearing
    Part Number: 577572401
      In Stock
    $17.92
  • E-3
    Ball Bearing – Part Number: 738220225
    Ball Bearing
    Part Number: 738220225
      In Stock
    $31.24
  • E-4
    Ball Bearing – Part Number: 738220225
    Ball Bearing
    Part Number: 738220225
      In Stock
    $31.24
  • E-5
    Woodruff Key – Part Number: 735880600
    Woodruff Key
    Part Number: 735880600
      In Stock
    $5.95
Page F
Page F Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page G
Page G Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page H
Page H Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • H-1
    Clutch Drum 3/8 x 7 – Part Number: 503650901
    Clutch Drum 3/8 x 7
    Part Number: 503650901
      No Longer Available
  • H-3
    Support Bushing – Part Number: 501514801
    Support Bushing
    Part Number: 501514801
      In Stock
    $20.67
  • H-4
    Worm Wheel – Part Number: 501513801
    Worm Wheel
    Part Number: 501513801
      In Stock
    $10.46
  • H-5
    Washer, 13.1 X 20 – Part Number: 503230013
    Washer, 13.1 X 20
    Part Number: 503230013
      No Longer Available
  • H-6
    Clutch Spring – Part Number: 501403402
    Clutch Spring
    Part Number: 501403402
      In Stock
    $11.92
  • H-7
    Clutch Cpl – Part Number: 503744402
    Clutch Cpl
    Part Number: 503744402
      Special Order
    $40.75
  • H-8
    Rim Sprocket – Part Number: 640200214
    Rim Sprocket
    Part Number: 640200214
    ★★★★★
    ★★★★★
    (4)
      In Stock
    $11.92
  • H-10
    Clutch Drum – Part Number: 501831503
    Clutch Drum
    Part Number: 501831503
      In Stock
    $74.73
  • H-11
    Dust Protection – Part Number: 501831701
    Dust Protection
    Part Number: 501831701
      In Stock
    $11.92
  • H-12
    Clutch Drum – Part Number: 501831503
    Clutch Drum
    Part Number: 501831503
      In Stock
    $74.73
  • H-14
    Washer – Part Number: 501535901
    Washer
    Part Number: 501535901
      No Longer Available
  • H-15
    Oil Pump – Part Number: 501512501
    Oil Pump
    Part Number: 501512501
      Special Order
    $153.05
  • H-16
    Chainsaw Sealing Ring – Part Number: 503260204
    $17.92
  • H-17
    Screw Mc6s 4x16 – Part Number: 725529356
    Screw Mc6s 4x16
    Part Number: 725529356
      No Longer Available
  • H-18
    Control Screw – Part Number: 501513601
    Control Screw
    Part Number: 501513601
      Special Order
    $6.36
  • H-20
    Screw – Part Number: 501513301
    Screw
    Part Number: 501513301
      Special Order
    $6.36
  • H-21
    Shaft – Part Number: 501513201
    Shaft
    Part Number: 501513201
      Special Order
    $12.74
  • H-22
    Gear Wheel – Part Number: 501513101
    Gear Wheel
    Part Number: 501513101
      Special Order
    $26.42
  • H-23
    Spring – Part Number: 501513401
    Spring
    Part Number: 501513401
      Special Order
    $7.46
  • H-24
    Washer 5.1 X 8.5 – Part Number: 503230016
    Washer 5.1 X 8.5
    Part Number: 503230016
      In Stock
    $5.95
  • H-25
    Washer 5.1x8.5 – Part Number: 503231001
    Washer 5.1x8.5
    Part Number: 503231001
      No Longer Available
  • H-26
    Washer – Part Number: 501513701
    Washer
    Part Number: 501513701
      Special Order
    $7.64
  • H-27
    Spring – Part Number: 501513901
    Spring
    Part Number: 501513901
      Special Order
    $5.97
  • H-28
    WASHER – Part Number: 734484801
    WASHER
    Part Number: 734484801
      No Longer Available
  • H-29
    E-Ring 3.2 – Part Number: 735310720
    E-Ring 3.2
    Part Number: 735310720
      Special Order
    $5.16
  • H-30
    O-ring – Part Number: 740422100
    O-ring
    Part Number: 740422100
      In Stock
    $5.96
  • H-31
    Spring Pin 3x6 – Part Number: 721420325
    Spring Pin 3x6
    Part Number: 721420325
      Special Order
    $10.46
  • H-32
    X-ring – Part Number: 501288501
    X-ring
    Part Number: 501288501
      In Stock
    $7.46
  • H-33
    Oil Hose – Part Number: 501519901
    Oil Hose
    Part Number: 501519901
      In Stock
    $14.92
  • H-34
    Oil Screen – Part Number: 501544102
    Oil Screen
    Part Number: 501544102
      In Stock
    $26.88
Page I
Page I Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • I-1
    Cylinder W/ Piston – Part Number: 501685571
    Cylinder W/ Piston
    Part Number: 501685571
      No Longer Available
  • I-3
    Gasket Silencer – Part Number: 501522504
    Gasket Silencer
    Part Number: 501522504
      In Stock
    $8.30
  • I-4
    Stud M5/M6 – Part Number: 501686501
    Stud M5/M6
    Part Number: 501686501
      No Longer Available
  • I-5
    Locknut – Part Number: 503222302
    Locknut
    Part Number: 503222302
      No Longer Available
  • I-6
    Gasket – Part Number: 501512204
    Gasket
    Part Number: 501512204
      In Stock
    $7.46
  • I-7
    Piston – Part Number: 501659403
    Piston
    Part Number: 501659403
      No Longer Available
  • I-8
    Piston – Part Number: 501659403
    Piston
    Part Number: 501659403
      No Longer Available
  • I-9
    Piston Ring – Part Number: 503289017
    Piston Ring
    Part Number: 503289017
      Special Order
    $33.80
  • I-10
    Circlip – Part Number: 737431200
    Circlip
    Part Number: 737431200
      On Order
    $5.95
  • I-11
    Needle Bearing – Part Number: 577572401
    Needle Bearing
    Part Number: 577572401
      In Stock
    $17.92
  • I-13
    Piston Ring – Part Number: 501685901
    Piston Ring
    Part Number: 501685901
      No Longer Available
Page J
Page J Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page K
Page K Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page L
Page L Diagram and Parts List for 1986-01 Husqvarna Chainsaw
Page M
Page M Diagram and Parts List for 1986-01 Husqvarna Chainsaw
  • M-1
    Cylinder Cover Usa – Part Number: 501686008
    Cylinder Cover Usa
    Part Number: 501686008
      No Longer Available
  • M-2
    Screw – Part Number: 503203228
    Screw
    Part Number: 503203228
      In Stock
    $5.95
  • M-3
    Decal xp – Part Number: 503176902
    Decal xp
    Part Number: 503176902
      No Longer Available
  • M-4
    Plug – Part Number: 501615201
    Plug
    Part Number: 501615201
      Special Order
    $5.95
  • M-5
    Air Plug – Part Number: 504804000
    Air Plug
    Part Number: 504804000
      No Longer Available

Questions & Answers

?

Our customer Service team is at the ready daily to answer your part and product questions.

We're sorry, but our Q&A experts are temporarily unavailable.
Please check back later if you still haven't found the answer you need.

Ask our Team

We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.