SPARE PARTS for Vintage Big Twin Harleys

Knuckle OIL PUMPS & PARTS

48 Item(s)

per page

Set Descending Direction
  1. "Billet" OIL PUMP for 1936 - 1972 OHV Big Twin
    "Billet" OIL PUMP for 1936 - 1972 OHV Big Twin
    SKU: 5154
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $218.00

    Learn More
  2. OIL PUMP for 1936 - 1940 Knuckle
    OIL PUMP for 1936 - 1940 Knuckle
    SKU: 5150
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $528.00

    Learn More
  3. OIL PUMP BODY only - 1936 - 1940 Knuckle
    OIL PUMP BODY only - 1936 - 1940 Knuckle
    SKU: 5149
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $268.00

    Learn More
  4. PUMP COVER for 1936 - 1940 Oil Pumps
    PUMP COVER for 1936 - 1940 Oil Pumps
    SKU: 5165
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $138.00

    Learn More
  5. Complete REBUILD KIT for Oil Pump 1936 - 1940 Knuckle Motor
    Complete REBUILD KIT for Oil Pump 1936 - 1940 Knuckle Motor
    SKU: 5150-K
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $268.00

    Learn More
  6. OIL PUMP - Cast Iron 1949 style
    OIL PUMP - Cast Iron 1949 style
    SKU: 5151
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $538.00

    Out of stock

    Learn More
  7. PUMP COVER for 1941 - 1948 OHV
    PUMP COVER for 1941 - 1948 OHV
    SKU: 5166-41
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $88.00

    Learn More
  8. ROTOR for 1941 - 1948 OHV Oil Pump
    ROTOR for 1941 - 1948 OHV Oil Pump
    SKU: 5167
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $88.00

    Out of stock

    Learn More
  9. Oil Pump Cover PLATE only 1941 - 1948
    Oil Pump Cover PLATE only 1941 - 1948
    SKU: 5168-41
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $68.00

    Out of stock

    Learn More
  10. Image 0
    Oil Pump Cover PLATE only 1941 - 1949
    SKU: 5168-49
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $48.00

    Learn More
  11. PUMP COVER & PLATE KIT 1941 - 1949 OHV Big Twin
    PUMP COVER & PLATE KIT 1941 - 1949 OHV Big Twin
    SKU: 5166-49K
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $108.00

    Out of stock

    Learn More
  12. Image 1
    Oil Pump DRIVE GEAR for Inside Cam Chest 1939 - 1972 OHV
    SKU: 5156
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - KNUCKLEHEAD / Knuckle CAM CHEST PARTS
    Motor Parts - PANHEAD / Pan CAM CHEST PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel CAM CHEST PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $34.00

    Learn More
  13. Image 1
    Oil Pump "Hop Up" 1/4 Speed CONVERSION KIT for 1936 - 1953 Knuckle & Pan
    SKU: 5127-3
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - KNUCKLEHEAD / Knuckle CAM CHEST PARTS
    Motor Parts - PANHEAD / Pan CAM CHEST PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $88.00

    Learn More
  14. SNAP RINGS for Oil Pump Drive Shaft 1936 - 1969
    SNAP RINGS for Oil Pump Drive Shaft 1936 - 1969
    SKU: 5157
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $4.00

    Learn More
  15. DRIVE SHAFT for Oil Pump 1936 - 1984 OHV Big Twins
    DRIVE SHAFT for Oil Pump 1936 - 1984 OHV Big Twins
    SKU: 5158
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - KNUCKLEHEAD / Knuckle CAM CHEST PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $22.00

    Learn More
  16. Image 0
    CASE BUSHING for Oil Pump Drive Shaft 1936 - 1984
    SKU: 5159
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - KNUCKLEHEAD / Knuckle CAM CHEST PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $18.00

    Learn More
  17. Oil Pump FEED DRIVE GEAR 1936 - 1947 Knuckle
    Oil Pump FEED DRIVE GEAR 1936 - 1947 Knuckle
    SKU: 5160
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $38.00

    Learn More
  18. Oil Pump FEED IDLER GEAR 1936 - 1947 Knuckle
    Oil Pump FEED IDLER GEAR 1936 - 1947 Knuckle
    SKU: 5161
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $38.00

    Learn More
  19. Oil Pump SCAVENGER DRIVE GEAR 1936 - 1947 Knuckle
    Oil Pump SCAVENGER DRIVE GEAR 1936 - 1947 Knuckle
    SKU: 5162
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $38.00

    Learn More
  20. Oil Pump SCAVENGER IDLER GEAR 1936 - 1948 Knuckle & Pan
    Oil Pump SCAVENGER IDLER GEAR 1936 - 1948 Knuckle & Pan
    SKU: 5163
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $38.00

    Learn More
  21. Image 1
    IDLER GEAR SHAFT for 1936 - 1962 Oil Pumps
    SKU: 5164
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $16.00

    Learn More
  22. Image 0
    WOODRUFF KEY for Oil Pump Gears - long style
    SKU: 722
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    Hardware & Bearing Parts / WOODRUFF KEYS
    $4.00

    Learn More
  23. Image 0
    WOODRUFF KEY for Oil Pump (Short)
    SKU: 723
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 SCAVENGER OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL SCAVENGER OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    Hardware & Bearing Parts / WOODRUFF KEYS
    $2.00

    Learn More
  24. BALL VALVES for Oil Pumps
    BALL VALVES for Oil Pumps
    SKU: 5172
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $4.00

    Learn More
  25. Oil Pump CHECK VALVE KIT for 1936 - 1980 OHV & SV
    Oil Pump CHECK VALVE KIT for 1936 - 1980 OHV & SV
    SKU: 5171-36
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $12.00

    Learn More
  26. CAP for Oil Pump Check Valve 1936 - 1980
    CAP for Oil Pump Check Valve 1936 - 1980
    SKU: 5188
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $8.00

    Learn More
  27. Oil Pump BY-PASS VALVE KIT for Flatheads & 1941 Knuckle
    Oil Pump BY-PASS VALVE KIT for Flatheads & 1941 Knuckle
    SKU: 5173
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    $12.00

    Learn More
  28. Oil Pump BY-PASS VALVE KIT for 1936 - 1953 OHV
    Oil Pump BY-PASS VALVE KIT for 1936 - 1953 OHV
    SKU: 5173-42
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $12.00

    Learn More
  29. ADJUSTING SCREW for By-Pass Valve Spring (Short style)
    ADJUSTING SCREW for By-Pass Valve Spring (Short style)
    SKU: 5197
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $24.00

    Learn More
  30. CAP for Oil Pump By-pass Valve 1936 - 1973
    CAP for Oil Pump By-pass Valve 1936 - 1973
    SKU: 5187
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $10.00

    Learn More
  31. Slot Head (short) CHAIN OILER SCREW KIT 1932 style
    Slot Head (short) CHAIN OILER SCREW KIT 1932 style
    SKU: 5176-32
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 CAM COVER and PARTS
    Motor Parts - FLATHEAD 45ci / 45 SCAVENGER OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL CAM COVER & PARTS
    Motor Parts - FLATHEAD UL & VL / UL SCAVENGER OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $18.00

    Learn More
  32. ADJUSTING SHIMS for Chain Oiler Screw
    ADJUSTING SHIMS for Chain Oiler Screw
    SKU: 5176-12
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 CAM COVER and PARTS
    Motor Parts - FLATHEAD UL & VL / UL CAM COVER & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $14.00

    Learn More
  33. REAR CHAIN OILER Kit 1938 - 1953
    REAR CHAIN OILER Kit 1938 - 1953
    SKU: 5176-41
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $24.00

    Learn More
  34. Image 1
    Oil Fitting COVER CAPS
    SKU: 5178
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 SCAVENGER OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL SCAVENGER OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    Oil System / OIL TANKS - Stock 1936 - 1964
    Oil System / Oil Tank PARTS
    Oil System / OIL LINE PARTS
    $16.00

    Learn More
  35. OIL PRESSURE SWITCH for 1938 OHV & 1938 - 1957 SV
    OIL PRESSURE SWITCH for 1938 OHV & 1938 - 1957 SV
    SKU: 5179
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 CAM COVER and PARTS
    Motor Parts - FLATHEAD UL & VL / UL CAM COVER & PARTS
    $34.00

    Learn More
  36. EXTENSION-ADAPTER FITTING for Oil Pressure Switch 1938 - 1957
    EXTENSION-ADAPTER FITTING for Oil Pressure Switch 1938 - 1957
    SKU: 5179-1
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 CAM COVER and PARTS
    Motor Parts - FLATHEAD UL & VL / UL CAM COVER & PARTS
    $24.00

    Learn More
  37. OIL PRESSURE SWITCH for 1939 - 1953 OHV
    OIL PRESSURE SWITCH for 1939 - 1953 OHV
    SKU: 5180
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $34.00

    Learn More
  38. EXTENSION-ADAPTER FITTING for Oil Pressure Switch 1939 - 1957
    EXTENSION-ADAPTER FITTING for Oil Pressure Switch 1939 - 1957
    SKU: 5180-A
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $10.00

    Learn More
  39. Image 1
    3/8" FLAT WASHER 9/16" x 1/32" thick (Brass)
    SKU: W-6377
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 CAM COVER and PARTS
    Motor Parts - FLATHEAD UL & VL / UL CAM COVER & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    Hardware & Bearing Parts / PLAIN FLAT WASHERS
    $2.00

    Learn More
  40. Image 0
    3/8" FLAT WASHER 9/16" x 1/32" thick
    SKU: W-6375B
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Hardware & Bearing Parts / PLAIN FLAT WASHERS
    $1.00

    Learn More
  41. 1/4-24NS x 5/32 x 7/16 HEX NUT
    1/4-24NS x 5/32 x 7/16 HEX NUT
    SKU: 7691
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD 45ci / 45 SCAVENGER OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - FLATHEAD UL & VL / UL SCAVENGER OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    Hardware & Bearing Parts / #6 to 5/16" HEX NUTS
    $1.00

    Learn More
  42. LONG NUT for Oil Pump 1941 - 1967
    LONG NUT for Oil Pump 1941 - 1967
    SKU: 5183
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $6.00

    Learn More
  43. Image 0
    NUTS with WASHERS for 1936 - 1940 Knuckle Oil Pump
    SKU: 5184
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    $8.00

    Learn More
  44. NUTS, WASHERS & STUDS for 1941 - 1967 OHV Oil Pump
    NUTS, WASHERS & STUDS for 1941 - 1967 OHV Oil Pump
    SKU: 5185
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    $30.00

    Learn More
  45. HIDDEN MOUNTING SCREW for 1941 - 1949 OHV Oil Pump
    HIDDEN MOUNTING SCREW for 1941 - 1949 OHV Oil Pump
    SKU: 5186
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    $8.00

    Learn More
  46. GASKETS & SMALL PARTS for 1936 - 1949 Knuckle & Pan Oil Pumps
    GASKETS & SMALL PARTS for 1936 - 1949 Knuckle & Pan Oil Pumps
    SKU: 5190-36
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - KNUCKLEHEAD / Knuckle GASKETS for Motor
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan GASKETS for MOTOR
    $18.00

    Learn More
  47. Special DIE for OIL FITTING - 9/16" x 24
    Special DIE for OIL FITTING - 9/16" x 24
    SKU: 9547
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD 45ci / 45 INLET OIL PUMP and PARTS
    Motor Parts - FLATHEAD 45ci / 45 SCAVENGER OIL PUMP and PARTS
    Motor Parts - FLATHEAD UL & VL / UL INLET OIL PUMP & PARTS
    Motor Parts - FLATHEAD UL & VL / UL SCAVENGER OIL PUMP & PARTS
    Oil System / OIL TANKS - Stock 1936 - 1964
    Oil System / Oil Tank PARTS
    Oil System / OIL LINE PARTS
    Shop Tools / TAPS & DIES - High Speed Tool Steel
    $34.00

    Learn More
  48. OIL LINE FITTING 1915 - 1973
    OIL LINE FITTING 1915 - 1973
    SKU: 5177
    Motor Parts - KNUCKLEHEAD / Knuckle OIL PUMPS & PARTS
    Motor Parts - FLATHEAD UL & VL / UL CRANKCASE & PARTS
    Motor Parts - KNUCKLEHEAD / Knuckle CRANKCASE & PARTS
    Motor Parts - PANHEAD / Pan OIL PUMPS & PARTS
    Motor Parts - PANHEAD / Pan CRANKCASE & PARTS
    Motor Parts - SHOVELHEAD / Shovel OIL PUMPS & PARTS
    Oil System / Oil Tank PARTS
    Oil System / OIL LINE PARTS
    Hardware & Bearing Parts / FITTINGS Gas & Oil
    $6.00

    Learn More

48 Item(s)

per page

Set Descending Direction

Shipping Rates

Find out what shipping will cost with our shipping rates guide.

Search

Customer Sign In

Don't have an profile yet?
Create a new profile.