Made in USA
M155 Oil Pump 1992-1997 GM LT1
InfoVehicle Info Needed
MELLINGPART NUMBER: 689-M155

M155 Oil Pump 1992-1997 GM LT1

$6599
2 left in stock
ShippingShips on Sep 08, 2026
Lowest PriceLowest Price Guarantee

GM/Chevy Small Block
Oil Pump
  • 1992-1997 GM LT1
  • OE Replacement

    MELLING AUTOMOTIVE PROD M155 Features:

    Made in USA. Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.
      • Stock and High-Volume Oil Pumps

        Melling offers a variety of OE replacement and high-volume oil pumps to improve your engine's performance. All units are 100-percent pressure tested and hand-turned before shipping to ensure quality and durability.

      Part TypeOil Pump
      Product LineMelling OE-Style Oil Pumps & Pickups
      BrandMELLING
      Package Height4.01 in.
      Package Width2.99 in.
      Package Length5.9
      Weight3.4 PG
      Part CategoryReplacement Parts
      Drive Shaft IncludedNo
      Housing MaterialCast Iron
      Mounting Hole Quantity2
      Adjustable Bypass PressureNo
      Bolts IncludedNo
      Spacer IncludedNo
      Alternate Pressure Springs IncludedNo
      Inlet Size (In.)0.750
      O-Ring IncludedNo
      Washers IncludedNo
      Pickup Screen Diameter0.73 in.
      Mounting Hole Diameter0.25 in.
      Oil Pump Pressure TypeStandard Pressure
      Bushing IncludedNo
      Oil Pump TypeGear
      Cover MaterialCast Iron
      Shaft MaterialNot Applicable
      Gear MaterialSteel
      Pickup Tube Diameter0.750 in.
      FinishRust Preventative
      Gasket Or Seal IncludedNo
      Cotter Pin IncludedNo
      Gear TypeSpur Gear
      Drive TypeDrive Shaft
      Oil Pump Volume TypeStandard Volume
      Part FitmentDirect Fit
      Grade TypeStandard Replacement
      Timing Cover IncludedNo
      Vendor Part NumberM155
      Package Qty1
      Package TypeEA
      No Questions
      No Reviews

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      Some parts are not legal for use in California or other states with similar laws / regulations
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