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Big Twin Oil Pump Assembly
12-9969 12-9801 Replica Oil Pump
Complete Cast Iron Oil
Pump Assembly for 1950‑64
Big Twin, replaces 26201‑
48D.
12-0295 VT No. Item
12-9931 Assembly
Washers 12-9931 12-0295 Rebuild
Sifton Oil Pump Assembly features improved oil pump pres‑ 12-1947 12-0109
TM
sure 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. Note: On 1970‑80 models a
drilling operation is required, use VT No. 16‑0986 drill fixture.
Available with breather gear kit. Oil pump kits with breather 12-1947
include drive gear, breather gear and washers, uses S&S style Replica Style Big Twin Oil Pump for 1941‑49 V‑Twin includes cast
gaskets. outer cover without rotator.
VT No. Item
Pump Pump Year Finish 12-1947 Complete
With Breather 12-9750 Cover Only
12-9969 12-9800 1936‑53 Polish 12-0109 Cover Only, Parkerized, Cast Iron
12-9970 12-9801 1936‑53 Chrome 40-0509 Fitting
12-9969 12-9806 1954‑72 Polish 40-0297 Fitting
12-9970 12-9807 1954‑72 Chrome 12-0271 Rebuild
12-9971 12-9802 1973‑91 Polish 12-9905 Cover
40-0561
12-9972 12-9803 1973‑91 Chrome Oil Pump Fitting Kit fits 1968‑84 Big Twin
S&S Complete Oil Pump Assemblies with billet bodies. models.
Include all internal gears and shafts for years listed. Also avail‑ VT No. 40-0561
able as complete kits that include drive shaft gear, pinion shaft
gear and breather gear kit. 12-8002 Chain Oil Adjuster Screws sold each.
Oil Pump Assembly VT No. OEM Fits Head
Hex
1941‑53 FL‑FX
12-1404 26383‑32
VT No. Years 12-1476 26383‑32 1936‑48 Big Twin Slot
12-8001 1936‑72 12-0584 63610‑53A 1954‑64 Big Twin Slot 12-1404
12-8002 1973‑91
Oil Pump Kits with Breather
Assembly
12-8008 1973‑91 12-1482
Note: S&S Oil Pumps are machined for two basic groups 1936‑72 and 1973‑91.
Installations on engines from 1936‑1969 and 1981‑91 are strictly bolt on and
require no modifications. Engines from 1970‑80 require a simple drilling step and
engines from 1970‑72 require a plugging step. Both steps can be performed while
the engine is still in the chassis. All 1973‑76 applications require 1977‑up diameter
pinion and cam gears. 12-0477 12-1545 12-1476
Warranty: All Oil Pumps are covered under our “exchange only” provision. No credit will be 1936-40 Overhead Valve Knucklehead Oil Pump Parts. Hardware
issued as these items are exchange only
kit includes by‑pass kit, adjusting screw kit and gaskets.
Pro Just Adjustable Pressure Relief Cap allows VT No. Item 12-1545 Oil Pump Cover, Cad
the precise adjustment of oil pressure by turning the 12-1480 Hardware Kit 12-0452 Body
adjusting screw clockwise to increase oil pressure 12-0477 Pump Assembly 12-0296 Rebuild Kit
or counterclockwise to reduce oil pressure. Comes 12-1482 Oil Pump Cover, 282‑36 40-1421 Fitting
with a “super pump” spring provided in our spring kit 12-0855 12-0853
13‑9222. Works in stock 1981‑99 oil pumps as well
as S&S and other aftermarket oil pumps. Fits 1981 ‑
99 without oil vent. VT No. 12-9921
Chrome Oil Pump Cover mounts onto the
existing bolts on 1970‑84 Big Twin models
with chain oiler fitting.
VT No. 42-0041
Oil Pump Rebuilds. 12-0851
12-0296 1936‑40
Rear Chain Oiler Fitting fits 1941‑ 12-0271 1941‑49
69 FL, zinc. Fitting is positioned 12-0295 1950‑64
between the oil pressure gauge and 12-0855 1968‑69
12-0853 1970‑72
oil pump fitting. VT No. 12-1280 12-0297 1973
12-0852 1974‑77
490 12-0851 1978‑91
12-9969 12-9801 Replica Oil Pump
Complete Cast Iron Oil
Pump Assembly for 1950‑64
Big Twin, replaces 26201‑
48D.
12-0295 VT No. Item
12-9931 Assembly
Washers 12-9931 12-0295 Rebuild
Sifton Oil Pump Assembly features improved oil pump pres‑ 12-1947 12-0109
TM
sure 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. Note: On 1970‑80 models a
drilling operation is required, use VT No. 16‑0986 drill fixture.
Available with breather gear kit. Oil pump kits with breather 12-1947
include drive gear, breather gear and washers, uses S&S style Replica Style Big Twin Oil Pump for 1941‑49 V‑Twin includes cast
gaskets. outer cover without rotator.
VT No. Item
Pump Pump Year Finish 12-1947 Complete
With Breather 12-9750 Cover Only
12-9969 12-9800 1936‑53 Polish 12-0109 Cover Only, Parkerized, Cast Iron
12-9970 12-9801 1936‑53 Chrome 40-0509 Fitting
12-9969 12-9806 1954‑72 Polish 40-0297 Fitting
12-9970 12-9807 1954‑72 Chrome 12-0271 Rebuild
12-9971 12-9802 1973‑91 Polish 12-9905 Cover
40-0561
12-9972 12-9803 1973‑91 Chrome Oil Pump Fitting Kit fits 1968‑84 Big Twin
S&S Complete Oil Pump Assemblies with billet bodies. models.
Include all internal gears and shafts for years listed. Also avail‑ VT No. 40-0561
able as complete kits that include drive shaft gear, pinion shaft
gear and breather gear kit. 12-8002 Chain Oil Adjuster Screws sold each.
Oil Pump Assembly VT No. OEM Fits Head
Hex
1941‑53 FL‑FX
12-1404 26383‑32
VT No. Years 12-1476 26383‑32 1936‑48 Big Twin Slot
12-8001 1936‑72 12-0584 63610‑53A 1954‑64 Big Twin Slot 12-1404
12-8002 1973‑91
Oil Pump Kits with Breather
Assembly
12-8008 1973‑91 12-1482
Note: S&S Oil Pumps are machined for two basic groups 1936‑72 and 1973‑91.
Installations on engines from 1936‑1969 and 1981‑91 are strictly bolt on and
require no modifications. Engines from 1970‑80 require a simple drilling step and
engines from 1970‑72 require a plugging step. Both steps can be performed while
the engine is still in the chassis. All 1973‑76 applications require 1977‑up diameter
pinion and cam gears. 12-0477 12-1545 12-1476
Warranty: All Oil Pumps are covered under our “exchange only” provision. No credit will be 1936-40 Overhead Valve Knucklehead Oil Pump Parts. Hardware
issued as these items are exchange only
kit includes by‑pass kit, adjusting screw kit and gaskets.
Pro Just Adjustable Pressure Relief Cap allows VT No. Item 12-1545 Oil Pump Cover, Cad
the precise adjustment of oil pressure by turning the 12-1480 Hardware Kit 12-0452 Body
adjusting screw clockwise to increase oil pressure 12-0477 Pump Assembly 12-0296 Rebuild Kit
or counterclockwise to reduce oil pressure. Comes 12-1482 Oil Pump Cover, 282‑36 40-1421 Fitting
with a “super pump” spring provided in our spring kit 12-0855 12-0853
13‑9222. Works in stock 1981‑99 oil pumps as well
as S&S and other aftermarket oil pumps. Fits 1981 ‑
99 without oil vent. VT No. 12-9921
Chrome Oil Pump Cover mounts onto the
existing bolts on 1970‑84 Big Twin models
with chain oiler fitting.
VT No. 42-0041
Oil Pump Rebuilds. 12-0851
12-0296 1936‑40
Rear Chain Oiler Fitting fits 1941‑ 12-0271 1941‑49
69 FL, zinc. Fitting is positioned 12-0295 1950‑64
between the oil pressure gauge and 12-0855 1968‑69
12-0853 1970‑72
oil pump fitting. VT No. 12-1280 12-0297 1973
12-0852 1974‑77
490 12-0851 1978‑91
