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IH: Suspension

Swingarm (rear fork) Info

Swingarm

Year ModelSwingarm Part #
1952-1956 All K Models
1957 Sportster
47504-52
replaced by 47504-52A 1) 2)
replaced by 47504-52B 3)
All new versions are retro-fit
1967-1969 XLCH47504-56B 4)
1967-1974 XLH
1970-1974 XLCH
47504-67A 5)
1975-1976 XLH, XLCH47504-75 6)
1977-1978 XL, XLCH47504-76 7)
1979 XL/XLCH/XLS47532-79 (with bearings) 8)
1979 XL/XLCH/XLS47549-79 (without bearings) 9)
1979-1981 XL/XLCH/XLS47532-79A (with bearings) 10)
1979-1981 XLCH
1979-1981 XL/XLS
47473-80 (without bearings) 11)
1982 XL/XLS47532-81 (with bearings) 12) Square Tube 13)
1983-1985 XL/XLS/XLX47532-83 (with bearings) 14) Square Tube 15)
Inner Bearing ShieldPart #Inner Bearing SpacersPart #Outer Bearing Spacer (R)Part#
52-56 K Models
57-81 XL/XLH/XLCH/XLS
(2) 47519-5252-56 K Models
57-81 XL/XLH/XLCH/XLS
(2) 47518-5252-56 K Models
57-E74 XL/XLH/XLCH
47517-52
L74-81 XLH/XLCH/XLS47517-74
Swingarm BearingsPart #Swingarm BearingsPart #
52-56 K Models
57-E74 XL/XLH/XLCH
(2) 47521-52
Timken: Race 17520, Bearing 17580 16)
82-85 XL/XLS/XLX(left) (1) 47083-81
54-E74 KH/XL/XLH/XLCHBearing Kit 47550-74 82-85 XL/XLS/XLX(Right) (2) 47082-81
Timken: Race LM11710, Bearing LM11749 17)
L74-81 XLH/XLCH/XLS(2) 47521-74
Timken: Race 11520, Bearing 11590 18)
Bearing Locknut Lock-plate (R)Part #
52-56 K Models
57-81 XL/XLH/XLCH/XLS
47525-52
(#10)Bearing Retention:
Lock-Plate Screw / Washer / Lockwasher (R)
Part #
52-56 K Models
57 Sportster
1187
52-56 K Models
57-63 XL/XLH/XLCH
(#10 x 3/8“ self tapping) 2657
52-56 K Models
57-59 Sportsters
(#10×13/32”) External tooth shake-proof lockwasher 7220
53-63 K Models
57-63 XL/XLH/XLCH
5/8“ Lockwasher 7072
L72-81 XLH/XLCH/XLS(10-24 x 1/2”) Pozidriv fil head (R) 1198
L72-81 XLH/XLCH/XLS(#10) Lockwasher (R) 7069
54-81 KH/XL/XLH/XLCH/XLS(5/8“) Bearing Lockwasher 7022
Swingarm Pivot Bolt / NutPart #
54-81 KH/XL/XLH/XLCH/XLS47511-52
82-85 XL/XLS/XLX41568-81A
Pivot Bolt NutPart #
52-56 K Models
57-E74 XL/XLH/XLCH
47512-52
L74-81 XLH/XLCH/XLS47512-74
Bearing LocknutPart #
52-56 K Models &
57-E74 XL/XLH/XLCH
47514-52 (Left)
52-56 K Models &
57-E74 Sportster
47515-52 (Right)
L74-81 XLH/XLCH/XLS47514-74 (Left)
L74-81 XLH/XLCH/XLS47515-74 (Right)
Axle AdjusterPart #
54-78 KH/XL/XLH/XLCHAxle Adjuster (2) 39985-52
79-85 XL/XLCH/XLS/XLXAxle Adjuster (2) 41570-77
Axle Adjuster Nuts / WashersPart #
54-78 KH/XL/XLH/XLCHInner Axle Adjuster Nut (2) 7753 (5/16”-24 NF x 17/64“ x 1/2” hex)
54-78 KH/XL/XLH/XLCHOuter Axle Adjuster Nut (2) 7744 (5/16“-24 NF x 3/16” x 1/2“ hex)
79-85 XL/XLCH/XLSWasher, (2) 6324W (5/16” x 11/16“ x 3/32”)
79-85 XL/XLCH/XLSLocknut,(2) 7725 (5/16“x24 x 11/32” x 1/2“ hex)
Fork End CoversPart #
79 XL/XLCH/XLS(2) 47554-78
79-85 XL/XLCH/XLS/XLX(2) 47554-73
Bearing Dust ShieldPart #
82-85 XL/XLS/XLX(2) - (right) 41579-81
Pivot Bolt SpacerPart #
82-85 XL/XLS/XLX(left) 5716
Plastic Bearing PlugPart #
83-85 XLX(Left) 10040
Passenger Footpeg BracketPart #
83-85 XL/XLS (2) 50615-83
83-85 XL/XLS3/8” Lockwasher for Footpeg Bracket (2) 7045
83-85 XL/XLS3/8“x16 2” Knurled 9/16“ Socket Head Screw (2) 855
for Passenger Footpeg Bracket

Swingarm Pics

Click on a pic to enlarge:

1980 Swingarm bolt assembly 19)


1)
Spare Parts Catalog for all Sportster and K Models pg 38 by OSKRG/ www.harleyKmodel.com
2)
HD 1952-1959 Spare Parts Catalog for Sportsters and K Models pg 45
3)
1963 HD Parts Catalog for Sportsters and KH Models 1953-1963 pg 50
4) , 5) , 6) , 7)
1952-1978 HD Parts Catalog pg 111
8) , 9)
1979 HD Sportster Parts Catalog pg 53
10) , 11)
1979-1985 HD Sportster Parts Catalog pg 87
12) , 14)
1979-1985 HD Sportster Parts Catalog pg 89
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