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Part Finder - HARLEY-DAVIDSON® - 1991 - Softail Fat Boy - PISTONS, CONNECTING RODS AND FLYWHEELS

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Please note: that parts quantities shown on parts diagrams are the quantity of that part that exists on the bike, Not the quantity that we have in stock. Please click on the parts individually to check stock availability, thank you.
Please note: that pricing shown is individual/single per item pricing only unless otherwise indicated in part description.
Ref Part Number Description Part/Desc
521940-83PISTON,STD,W/RINGS21940-83PISTON,STD,W/RINGS
521941-83PISTON,.005 OS,W/RINGS21941-83PISTON,.005 OS,W/RINGS
521942-83PISTON & RING KIT, .010 OS21942-83PISTON & RING KIT, .010 OS
521943-83PISTON & RING KIT, .020 OS21943-83PISTON & RING KIT, .020 OS
521944-83PISTON & RING KIT, .030 OS21944-83PISTON & RING KIT, .030 OS
Ref Part Number Description Part/Desc
421920-83RING,PSTN,X21920-83RING,PSTN,X
421921-83SET-PISTON RINGS,.005 OS21921-83SET-PISTON RINGS,.005 OS
421922-83SET-PISTON RINGS,.010 OS21922-83SET-PISTON RINGS,.010 OS
421923-83PISTON RING SET, .020 OS21923-83PISTON RING SET, .020 OS
421924-83PISTON RING SET, .030 OS21924-83PISTON RING SET, .030 OS
Ref Part Number Description Part/Desc
1324334-36BUSHING,.002 OS,PISTON PIN24334-36BUSHING,.002 OS,PISTON PIN
1324335-36BUSHING, PISTON PIN24335-36BUSHING, PISTON PIN
Ref Part Number Description Part/Desc
1023961-80ACRANKPIN23961-80ACRANKPIN
1023974-87CRANKPIN,001 OS23974-87CRANKPIN,001 OS
1023975-87CRANKPIN, .002 OS23975-87CRANKPIN, .002 OS
Ref Part Number Description Part, Description # On Img # Cart $ Each Notes
1 6506 WASHER,CUST,X 6506WASHER,CUST,X2 on diagram x2 27.00
2 11218 KEY WOODRUFF 11218KEY WOODRUFF1 on diagram x1 3.00
3 11219 T- KEY 11219T- KEY1 on diagram x1 4.00
4 21920-83 RING,PSTN,X 21920-83RING,PSTN,X2 on diagram x2 61.00
4 21921-83 SET-PISTON RINGS,.005 OS 21921-83SET-PISTON RINGS,.005 OS2 on diagram x2 42.00
4 21922-83 SET-PISTON RINGS,.010 OS 21922-83SET-PISTON RINGS,.010 OS2 on diagram x2 30.00
4 21923-83 PISTON RING SET, .020 OS 21923-83PISTON RING SET, .020 OS2 on diagram x2 30.00
4 21924-83 PISTON RING SET, .030 OS 21924-83PISTON RING SET, .030 OS2 on diagram x2 30.00
5 21940-83 PISTON,STD,W/RINGS 21940-83PISTON,STD,W/RINGS2 on diagram x2 273.00
5 21941-83 PISTON,.005 OS,W/RINGS 21941-83PISTON,.005 OS,W/RINGS2 on diagram x2 273.00
5 21942-83 PISTON & RING KIT, .010 OS 21942-83PISTON & RING KIT, .010 OS2 on diagram x2 273.00
5 21943-83 PISTON & RING KIT, .020 OS 21943-83PISTON & RING KIT, .020 OS2 on diagram x2 204.00
5 21944-83 PISTON & RING KIT, .030 OS 21944-83PISTON & RING KIT, .030 OS2 on diagram x2 204.00
6 22589-83B RETAINING RING,CIRCLIP 22589-83BRETAINING RING,CIRCLIP4 on diagram x4 3.00
7 22764-83 PISTON PIN 22764-83PISTON PIN2 on diagram x2 26.00
8 23906-90A FLYWHEEL W/CONNECTING ROD ASSY 23906-90AFLYWHEEL W/CONNECTING ROD ASSY1 on diagram x1 2058.00
9 23928-87 PT LWR END MISC CMPNT,X 23928-87PT LWR END MISC CMPNT,X1 on diagram x1 274.00
10 23961-80A CRANKPIN 23961-80ACRANKPIN1 on diagram x1 237.00
10 23974-87 CRANKPIN,001 OS 23974-87CRANKPIN,001 OS1 on diagram x1 198.00
10 23975-87 CRANKPIN, .002 OS 23975-87CRANKPIN, .002 OS1 on diagram x1 198.00
11 23981-98 NUT CRANKPIN W/THREADLOCKER 13 23981-98NUT CRANKPIN W/THREADLOCKER 132 on diagram x2 41.00
12 24281-83 CONN RODS W/BRGS/CRP 24281-83CONN RODS W/BRGS/CRP1 on diagram x1 1014.00
13 24334-36 BUSHING,.002 OS,PISTON PIN 24334-36BUSHING,.002 OS,PISTON PIN2 on diagram x2 53.00
13 24335-36 BUSHING, PISTON PIN 24335-36BUSHING, PISTON PIN2 on diagram x2 17.00
14 24345-36A BUSHING, CONNECTING ROD 24345-36ABUSHING, CONNECTING ROD2 on diagram x2 78.00
15 24346-87A BEARING,ROLL ELEM,X 24346-87ABEARING,ROLL ELEM,X1 on diagram x1 131.00
16 24356-36A BUSHING, LOWER, FRONT CONNECTI 24356-36ABUSHING, LOWER, FRONT CONNECTI1 on diagram x1 111.00

6506 - WASHER,CUST,X

  • Reference

    1
  • Part Number

    6506
  • Description

    WASHER,CUST,X
  • Price

    27.00
  • Qty On Diagram

    2
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

11218 - KEY WOODRUFF

  • Reference

    2
  • Part Number

    11218
  • Description

    KEY WOODRUFF
  • Price

    3.00
  • Qty On Diagram

    1
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

11219 - T- KEY

  • Reference

    3
  • Part Number

    11219
  • Description

    T- KEY
This part is not available for sale.

21920-83 - RING,PSTN,X

  • Reference

    4
  • Part Number

    21920-83
  • Description

    RING,PSTN,X
  • Price

    61.00
  • Qty On Diagram

    2
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

21921-83 - SET-PISTON RINGS,.005 OS

  • Reference

    4
  • Part Number

    21921-83
  • Description

    SET-PISTON RINGS,.005 OS
This part is not available for sale.

21922-83 - SET-PISTON RINGS,.010 OS

  • Reference

    4
  • Part Number

    21922-83
  • Description

    SET-PISTON RINGS,.010 OS
This part is not available for sale.

21923-83 - PISTON RING SET, .020 OS

  • Reference

    4
  • Part Number

    21923-83
  • Description

    PISTON RING SET, .020 OS
This part is not available for sale.

21924-83 - PISTON RING SET, .030 OS

  • Reference

    4
  • Part Number

    21924-83
  • Description

    PISTON RING SET, .030 OS
This part is not available for sale.

21940-83 - PISTON,STD,W/RINGS

  • Reference

    5
  • Part Number

    21940-83
  • Description

    PISTON,STD,W/RINGS
  • Price

    273.00
  • Qty On Diagram

    2
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

21941-83 - PISTON,.005 OS,W/RINGS

  • Reference

    5
  • Part Number

    21941-83
  • Description

    PISTON,.005 OS,W/RINGS
  • Price

    273.00
  • Qty On Diagram

    2
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

21942-83 - PISTON & RING KIT, .010 OS

  • Reference

    5
  • Part Number

    21942-83
  • Description

    PISTON & RING KIT, .010 OS
  • Price

    273.00
  • Qty On Diagram

    2
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

21943-83 - PISTON & RING KIT, .020 OS

  • Reference

    5
  • Part Number

    21943-83
  • Description

    PISTON & RING KIT, .020 OS
This part is not available for sale.

21944-83 - PISTON & RING KIT, .030 OS

  • Reference

    5
  • Part Number

    21944-83
  • Description

    PISTON & RING KIT, .030 OS
This part is not available for sale.

22589-83B - RETAINING RING,CIRCLIP

  • Reference

    6
  • Part Number

    22589-83B
  • Description

    RETAINING RING,CIRCLIP
  • Price

    3.00
  • Qty On Diagram

    4
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

22764-83 - PISTON PIN

  • Reference

    7
  • Part Number

    22764-83
  • Description

    PISTON PIN
This part is not available for sale.

23906-90A - FLYWHEEL W/CONNECTING ROD ASSY

  • Reference

    8
  • Part Number

    23906-90A
  • Description

    FLYWHEEL W/CONNECTING ROD ASSY
This part is not available for sale.

23928-87 - PT LWR END MISC CMPNT,X

  • Reference

    9
  • Part Number

    23928-87
  • Description

    PT LWR END MISC CMPNT,X
This part is not available for sale.

23961-80A - CRANKPIN

  • Reference

    10
  • Part Number

    23961-80A
  • Description

    CRANKPIN
  • Price

    237.00
  • Qty On Diagram

    1
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

23974-87 - CRANKPIN,001 OS

  • Reference

    10
  • Part Number

    23974-87
  • Description

    CRANKPIN,001 OS
This part is not available for sale.

23975-87 - CRANKPIN, .002 OS

  • Reference

    10
  • Part Number

    23975-87
  • Description

    CRANKPIN, .002 OS
This part is not available for sale.

23981-98 - NUT CRANKPIN W/THREADLOCKER 13

  • Reference

    11
  • Part Number

    23981-98
  • Description

    NUT CRANKPIN W/THREADLOCKER 13
This part is not available for sale.

24281-83 - CONN RODS W/BRGS/CRP

  • Reference

    12
  • Part Number

    24281-83
  • Description

    CONN RODS W/BRGS/CRP
This part is not available for sale.

24334-36 - BUSHING,.002 OS,PISTON PIN

  • Reference

    13
  • Part Number

    24334-36
  • Description

    BUSHING,.002 OS,PISTON PIN
This part is not available for sale.

24335-36 - BUSHING, PISTON PIN

  • Reference

    13
  • Part Number

    24335-36
  • Description

    BUSHING, PISTON PIN
This part is not available for sale.

24345-36A - BUSHING, CONNECTING ROD

  • Reference

    14
  • Part Number

    24345-36A
  • Description

    BUSHING, CONNECTING ROD
This part is not available for sale.

24346-87A - BEARING,ROLL ELEM,X

  • Reference

    15
  • Part Number

    24346-87A
  • Description

    BEARING,ROLL ELEM,X
  • Price

    131.00
  • Qty On Diagram

    1
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

24356-36A - BUSHING, LOWER, FRONT CONNECTI

  • Reference

    16
  • Part Number

    24356-36A
  • Description

    BUSHING, LOWER, FRONT CONNECTI
This part is not available for sale.