579
CLASSIC
Kelsey Type Master Cylinder. Alloy style for 1979-85 models
complete with internals.
VT No.
OEM
Type
Fits
23-1735 41754-79A Chrome
1979-84 FLH
23-1772 41754-79A Alloy
As Above
23-0769 42453-80A Chrome
1980-83 FXWG
1979-84 FXS
23-9179 42453-80A Polish
As Above
Billet Master Cylinders feature Wagner or Kelsey Hayes style
mount holes ⁵⁄₈”bore.
VT No. OEM
Type
23-3003 Kelsey-Hayes ⁵⁄₈” bore Inline
23-3004 Kelsey-Hayes ⁵⁄₈” bore Offset
23-3034 Wagner
⁵⁄₈
” bore Inline
23-3033 Wagner
⁵⁄₈
” bore Offset
23-0878 Rebuild Kit for 23-3003/23-3004
23-0860 Rebuild Kit for 23-3034/23-3033
Rear Master Cylinder Boots are sold each.
VT No. Fits
28-0501 1958-69 FL
28-0502 1970-78 FL-FX
28-0503 1979-84 FLH, 1978-82 FX
28-0504 1983-85 FX
28-0505 1979-86 FLT
28-1955 41764-58 41764-70, 5 early and 5 late
Master Cylinder Cap.
VT No.
Fits
23-0734 Chrome Cap
23-0735 Black Cap
23-0905 Zinc Cap
15-0202 Top Gasket, 10 pack
*Note: Fits over existing cap
secured by set screw.
23-1718
23-1717
23-1961
23-0735
Wagner Style Master Cylinder. Drum Type for 1958-72, disc
type 1973-Early 79. Units are assembled with internals and
include cap and boot.
Drum Disc
Finish
23-0750 23-0751
Painted Silver
23-0752 23-0753 Chrome
23-0050 —
Silver
23-0025 —
Silver
23-0750
23-0752
Rear Master Cylinder Rebuilds
VT No.
OEM
Fits
23-1718 41762-58A 1958-79 Big Twin
23-1961 Deluxe Kit 1958-79 Big Twin
23-1717 42374-77B 1979-84 FL, 80-86 FLT
23-1720 42374-82A 1983-85 FX 4-speed
1984-86 FXST-FLST
23-1720
Chrome Brake Plunger Assemblies.
VT No.
OEM
Fits
23-0115 41770-58
1958-69 FL
23-0116 42333-70
1970-79 FL, 3” long
23-0117 2333-79
1979-84 FLH, 3³⁄₈” long
23-0118 40923-79
1979-81 FLT
23-0119 42257-72
1972-79 FX
23-0124 42257-79
1979-82 FX
23-0122 42330-72
1972-82 FX Clevis only
23-0247
1972-82 Plunger only
Master Cylinder
Thread Chart
OEM Rear Master Cylinders
Kelsey-Hayes. Late 1979-84 FL, FX; 80-85 FXWG, FLT
3/8-24 Inverted Flare
Wagner-Lockheed. 58-Early 79 FL, FX
3/8-24 Inverted Flare
(Girling type) 83-Early 87 FX, 1982-Early 87 FXR
3/8”-24 Inverted Flare (to caliper)
1/8” NPT (to reservoir master cylinder)
All Late 1987-2002 Big Twin , TC/B, XL
3/8”-24 banjo bolt
All H-D Brake Tees
3/8”-24 Inverted Flare (brake line)
1/8 NPT (brake light switch)
Chrome Rear Master Cylinder Cover fits FL-FX Kelsey style.
VT No. Style
Year
23-0617 Smooth
1979-up
24-0601 Finned
1979-84
23-1735
23-0617
24-0601
Chrome Billet Master Cylinder
Reservoir replaces original plas-
tic unit on 1982-86.
VT No. 23-3029
23-3029
23-3003
23-0878
23-1772
23-0769
Chrome Rear Master
Cylinder Covers.
VT No. Fits
42-0315 1958-79 FLH
42-0316 1979-84 FLH
42-0315
42-0316
23-3004
23-9179
23-0115
23-0116
23-0117
23-0118
23-0119
23-0124
23-0122
23-0905
23-0050
23-0025