244
Master Cylinder
Rebuild
15-0188
15-0250
Front Master Cylinder Top Gaskets
VT No.
OEM
Year
15-0188 45012-72 1972-81
15-0204 45012-82 1982-84
15-0242 45005-85 1985-95
15-0250 45005-96 1996-05
23-1718
23-1720
23-9177
23-9201
Rear Master Cylinder Cover Gaskets are sold each.
VT No. OEM
Year
Type
15-0202 41766-58 1958-78 Master Cylinder
15-0203 42455-80 1980-up Master Cylinder
Reservoir
15-0248 42455-82 1982-E87 Reservoir
15-0242 45005-85 1985-95 Master Cylinder
15-0540 42455-99 2000-up Reservoir
Stainless Steel Master Cylinder Top Screws, 25 pack.
VT No. OEM
Years Type
37-8947 2628
1972-81 Front Master Cylinder Top,
Countersunk
37-8821 42534-82 1982-up Reservoir Cover
15-0203
23-0857
Handlebar Master Cylinder Rebuild Kits. Each kit contains
parts necessary for complete rebuild.
VT No.
OEM
Years
Fits
23-3020 45006-87 1987-95
¹¹⁄₁₆
” Bore
23-1716 45063-82 1982-85
³⁄₄
” Bore
23-3021 45072-87 1985-95
All ⁵⁄₈” Bore
23-1714 45006-96 1996-03
⁹⁄₁₆
” Bore
23-1715 45072-96 1996-03
¹¹⁄₁₆
” Bore
23-0857 42862-06A 2008-17
Dual Disc
28-2002 45042-82 Fluid Level Window 1982-95
23-1714
23-3020
23-3021
23-1715
28-2002
Rear Master Cylinder Rebuilds
VT No.
OEM
Fits
23-1718 41762-58A 1958-79 Big Twin
23-1717 42374-77B 1979-84 FL, 80-85 FLT
23-1720 42374-82A 1983-85 FX 4-speed
1984-86 FXST-FLST
23-2010 42374-86A 1986-91 FLT
23-2011 42382-82A 1982-E87 All FXR
23-9177 42382-87A Late1987-up FXR-FXST
1992-07 FLT Piston Assembly
23-9201 42452-87
Late1987-99 FXST, Body Rebuild
23-0863 42932-08
2008-up Touring
23-1717
23-2010
23-2011
23-0863
Top Gasket
15-0204
15-0242
15-0202
15-0248
15-0242
15-0540
VT No.
OEM
Model
13-9165
40920-79
1979-84 FLT
13-9166
40920-82
1982-86 FXWG-FXST
13-9170
40920-87
1987-up FXST-FLST-Sportster
37-9042 515
Cotter
¹⁄₁₆
x ³⁄₄
37-9043 6220W Washer
¹⁄₄
x ⁷⁄₁₆ x ¹⁄₃₂
Late Plunger Springs act as brake
pedal return springs on rear mounted
master cylinders, zinc.
23-1716