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174
D
A
B
12-0805
Oil Pump Drive 
Shafts fit 1970-99 
Big Twin, replaces 
26346-70.
VT No. 12-0805
Big Twin Oil Pump Gears fit 1968-99 stock type and some 
aftermarket units. Available in V-Twin Mfg. or Jims brand.
VT No.  Jims 
#  OEM 
Type
12-0182   
C  26315-68 
Return Drive
12-1420   
D  26317-68A  Return Idler
12-0174  12-1436 
B  26326-62A  Feed Idler
12-0183   
A  26328-74 
Feed Drive 
Sifton Big Twin Oil Pump Drive Shaft 
Kit includes 3 keys, shaft gear, bushing 
and snap rings. Fits 1973-99 Big Twin.
VT No. 12-0810
Chain Oil Adjuster Screws sold each.
VT No.  OEM 
Fits 
Head
12-2523  63610-70 
1970-99 FLH 
Slot
Oil Pump Seals.
James  GB No. 
OEM 
Fits
14-0623  14-0114  26227-58  1968-99 Big Twin
Oil Pump Snap Rings.
VT No.  OEM 
Fits
12-0901  11002 
1970-98 Big Twin
12-0901
Oil Pump Mount Kits for Big Twin.
VT No.  Years 
Type
8744-12* 1978-91  Chrome, Stock
9787-12* 1978-91   Zinc, Stock
8747-12  1978-91   Allen
37-9001  1992-99   Chrome Allen
*Note: Includes studs where required.
Driver 
Gears
Breather Kit
Breather
Washers
Big Twin Oil Pump Assembly
C
Hex Stock
8744-12
9787-12
12-9972
Sifton
TM
 Oil Pump Assembly features improved oil 
pump pressure regulation that will ensure correct oiling 
to all areas of Big Twin engines. This pump kit includes 
all necessary fittings, snap rings, keys, gaskets and 
mounting bolts. Can be used on either chain drive or 
belt drive models.
Pump Pump  Years  Finish
 W/Breather
12-9971 
12-9802  1984-91 Polish
12-9972 
12-9803  1984-91 Chrome
12-9975 
12-9804  1992-99 Polish
12-9976 
12-9805 
1992-99 Chrome
15-0657 
Gasket  1973-91 Mylar
15-0658 Gasket  1973-91  Paper
15-0362 Gasket  1992-99  Mylar
12-2523
12-8011
12-9976
Oil Pump Assembly is high-quality replacement cast alumi-
num pump body with steel gears and shafts. Features cast 
aluminum finish. Gaskets and seals included. Mount hard-
ware sold separately. Note: 1973-80 models may require drill-
ing of crank case use drill jig VT No. 16-0986.
VT No. 
Fits
12-8011  1992-99 Evo BT
12-8012  1973-91 BT 
12-8012
12-8011
Note: 
Rear 
Chain 
Oiler 
Fitting
Oil Pump Fitting. 
VT No. 40-0263