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492
Big Twin Oil Pump
Oil Pump Relief Valve Kit for 
1954‑67
 includes plug, spring 
and valve. 
VT No. 37-8946
A-Relief Valves and Springs.
VT No.  OEM 
Years   
Item
13-0107 26374‑54 
1952‑72  Spring
13-0217 26374‑42 
1941‑52  Spring
13-0111 26207‑83 
1983‑00  Spring
12-1417 26400‑54 
1954‑81  Valve
B-Check Valve Springs.
VT No.  OEM 
Years
13-0113 26363‑36 
1936‑55
 
  
1966‑76
13-0114 26363‑56 
1956‑65
13-0112 26262‑80 
1981‑99
C-Ball
12-0158 8866 
1954‑99
A-Relief Valve/By Pass Kits include spring, 
plug and valve.
VT No.  Year
12-1477
 1937‑53
37-8946 1954‑67
12-1484 1968‑72
12-1485 1973‑80
12-1486 1981‑2000
B-Check Valve Kits include ball, spring and 
cap.
12-1490  1936‑55 and 1966‑80
12-1489 1956‑65
12-1487 1981‑99
Oil Screen Parts Kit for 1952‑62 includes all parts shown 
249756‑52 screen, 24985‑52 housing body, 8856 ball, 24992‑
52 spring, 24987‑52 plug, and 24994‑52 washer.
VT No.  Item
12-0159
 Kit
12-1522  Screen, each
15-0306  Cork Seal, 24990‑52, 10 pack
12-0176  Housing Body
Tappet Oil Screen, Oil Pump Check 
Valve and Relief Valve Plugs
Replacement styles as shown.
Oil Screen Kit includes proper plug, 
screen o‑ring and spring.
Chrome Stock  Years
Cap Replica
12-0151 
12-0219 1970‑80
12-0152 
12-0220 1981‑84
    — 
12-0159 1952‑62
12-0162 
12-0217 1963‑65
12-0150 
12-0218 1966‑69
Tappet Oil Screens are exact 
replacement of OEM, sold each.
12-1522  24975‑52 1952‑62
12-1529  24975‑63 1963‑65
12-1516  24981‑66 1966‑69
12-1515  24981‑70 1970‑99
Oil Screen Spring for the tappet oil 
screen, sold in pack of 10.
13-0216  24992‑52 1952‑62
13-0164  24979‑63 1963‑65
13-0108  24982‑66 1966‑69
13-0109  24982‑70 1970‑82
12-0159
12-0219
12-0220
J
9644-2
8707-6
9606-2
12-0162
C
A-Bypass Kit fits 1937‑40 EL and FL.
VT No. 12-1477
B-Oil Pump Adjusting Screw Kit 
fits 
1936‑54 Big Twin and 45, includes 
screw, shims, washer and nut. 
VT No.   Item
12-1465  
Kit
12-0584 Screw
C-Check Valve Kit includes cap, 
spring and ball.
VT No. 12-1481
B
A
{
“Super-Pump” Spring Kit for 1966‑91 Big Twin. 
VT No.  
Brand
13-9222 
E.R.T. SP‑1
37-9226
VT No.  # 
OEM 
Fits 
Finish
8702-2  G  26362‑36  1936‑80 Check Valve
9523-1  B 
26362‑36  1936‑80 Check Valve 
Chrome
9524-1  B 
26362‑36  1936‑80 Check Valve 
Cadmium
9525-1  B 
26362‑36  1936‑80 Check Valve 
Parkerized
9526-1  A 
26367‑36  Stock, 37‑52 By By‑Pass  Chrome
9527-1  A 
26367‑36  Stock, 37‑52 By By‑Pass  Cadmium
9528-1  A 
26367‑36  Stock, 37‑52 By By‑Pass  Parkerized
8704-2  G  24987‑52  1952‑65 Tappet Screen  Chrome
9603-2  C  24087‑52  1952‑65 Tappet Screen  Chrome
9604-2  C  24987‑52  1952‑65 Tappet Screen  Cadmium
9605-2  D  26377‑54  Oil Pump Relief 1954‑67  Chrome
9606-2  D  26377‑54  Oil Pump Relief 1954‑67  Cadmium
8705-2  G  655 
1966‑69 Tappet Screen  Chrome
9874-2  C  655 
1966‑69 Tappet Screen  Chrome 
9875-2  C  655 
1966‑69 Tappet Screen  Cadmium
37-9224    3 Plugs 
1966‑69 Set 
Chrome
8706-6  G  3 Plugs 
1970‑80 Set 
Chrome
8707-6  G  26263‑80  1981‑99 3 Piece Set 
Chrome
37-9225  H  3 Plugs 
1970‑80 Set 
Chrome
37-9226  H  3 Plugs 
1981‑99 Set 
Chrome
2074-6  H  3 Plugs 
1981‑99 Set 
Chrome
2073-2  H  1981‑99  1981‑99 Each 
Chrome
8701-2  G  657 
1970‑80 Tappet Screen  Chrome
8701-2T  G  657 
1970‑80 Tappet Screen  Chrome
9876-2  C  657 
1970‑80 Tappet Screen  Chrome
9877-2  C  657 
1970‑80 Tappet Screen  Cadmium
8700-2  G  26377‑68  1968‑80 Relief Valve 
Chrome
37-9068  E 
26377‑68  1968‑80 Relief Valve 
Zinc
9607-2  E 
26377‑68  1968‑80 Relief Valve 
Chrome
9608-2  E 
26377‑68  1968‑80 Relief Valve 
Cadmium
9608-2T  E 
26377‑68  1968‑80 Relief Valve 
Cadmium
8703-2*  G  26263‑80  1980‑99 All 
Chrome
8703-2T* G 
26263‑80  1980‑99  All 
Chrome
9644-2*  F 
26263‑80  1980‑99 All 
Chrome
9645-2*  F 
26263‑80  1980‑99 All 
Cadmium
9634-4  F 
26263‑80  1980‑99 2 Piece Set 
Chrome
9635-4  F 
26263‑80  1980‑99 2 Piece Set 
Cadmium
37-8960* J 26279‑89 
1981‑99 All Dome Acorn
*Note: The 1981‑up uses the same plug on check valve, tappet 
screen and relief valve