Prevent Hydrodynamic Starvation Deliver steady oil volumetric pressure to non-turbo 2.5L and 3.0L inline-6 cylinder blocks with this factory-spec replacement lubrication pump. Precision-calibrated to match initial equipment flow volume, this unit prevents catastrophic wear across crankshaft journals, camshaft lobes, and hydraulic lifters during cold startup cycles and high-RPM engine operation.

Manufacturing & Material Attributes

• Die-Cast Housing Construction: Cast from high-strength aluminum alloy to optimize thermal dissipation, reduce overall component mass, and preserve structural rigidity under fluid pressure spikes.

• Precision Internal Gear Set: Machined internal drive gears maintain exact clearance tolerance, preventing hydraulic volume loss while keeping parasitic mechanical drag on the crankshaft minimal.

• Seal-Durable Shaft Group: Assembled with oil-resistant shaft seals and factory-checked tolerances to secure leak-free sealing along the engine oil gallery interface.

Product Reference Data

• Component Classification: Engine Lubrication Oil Pump Assembly

• Primary OEM Part Number: 15100-46091

• Cross Reference OE Numbers: 15100-46060, 15100-46090

• Engine Application: 2.5L & 3.0L Inline-6 (1JZ-GE / 2JZ-GE Naturally Aspirated)

Application Fitment Index

• Toyota Supra NA (JZA80) 3.0L (JZA80) (1996–1998)

• Lexus IS300 (JCE10) 3.0L (2001–2005)

• Lexus GS300 (JZS147, JZS160) 3.0L (1996–2005)

• Lexus SC300 (JZZ31) 3.0L (1996–2000)

• Toyota Chaser / Cresta / Mark II 2.5L / 3.0L (1995–2001)

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