Model No: 1016050764,etc.
Toyota Oil Pump Assembly – Original Engine Oil Pump Replacement Wholesale
The oil pump assembly is the core component of the engine lubrication system.
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Genuine Toyota Oil Pump Assembly – Complete Engine Oil Pump for Camry, Corolla, RAV4 & Hilux
Overview – The Heart of Your Toyota Engine's Lubrication System
The oil pump is the heart of a Toyota engine's lubrication system. It draws oil from the sump and delivers it under pressure to every critical bearing surface — crankshaft, camshafts, pistons, and turbocharger. A failing Toyota oil pump causes low oil pressure, triggering dashboard warnings, valve train noise, and ultimately catastrophic bearing seizure.
We supply genuine Toyota oil pump assemblies covering popular Toyota engines, including the 1ZR, 2ZR, 2AZ-FE, 1KD, and 2KD series. Each original Toyota engine oil pump is supplied as a complete, ready-to-bolt-on unit — pre-assembled with:
- Pump housing
- Gears or rotors
- Drive shaft
- Pressure relief valve (factory-calibrated)
- Oil strainer
- Mounting gaskets
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Types | Genuine Toyota gear-type oil pump, gerotor-type oil pump, complete pump assembly |
| Compatible Part Numbers | 15100-11070, 15100-37070, 15100-0L020, and others |
| Engine Coverage | 1ZR, 2ZR, 2AZ-FE, 1KD, 2KD, and other Toyota gasoline & diesel engines |
| Material | High-strength cast aluminum or cast iron body, hardened steel gears/rotors |
| Oil Pressure (Idle) | ≥29 kPa |
| Oil Pressure (at 3000 rpm) | 160–539 kPa (engine-dependent) |
| Flow Rate (at 1500 rpm) | ≥20 L/min |
| Flow Rate (at 2300 rpm) | ≥31 L/min (engine-dependent) |
| Rotor/Gear Clearance (Side) | 0.100–0.170 mm |
| Rotor/Gear Clearance (Tip) | 0.080–0.160 mm |
| Temperature Range | -40°C to +150°C |
| Quality | 100% Genuine Toyota parts, original Toyota packaging, factory pressure-tested |
Compatible Toyota Engines & Models
Our genuine Toyota oil pump assemblies cover a wide range of engines and vehicle models:
| Engine Code | Compatible Models |
|---|---|
| 1ZR | Corolla, Auris, Yaris |
| 2ZR | Corolla, RAV4, Auris |
| 2AZ-FE | Camry, RAV4, Highlander, Scion tC |
| 1KD | Hilux, Land Cruiser Prado, Fortuner (diesel) |
| 2KD | Hilux, Innova (diesel) |
Need a pump for an engine not listed? Contact us with your VIN or engine code and we'll verify the exact fit.
Gear-Type vs. Gerotor-Type – What's the Difference?
Our inventory covers both gear-type and gerotor-type oil pumps, exactly as originally fitted to each specific engine.
- Gear-type pumps use two meshing gears to displace oil. They are robust, simple, and commonly found in older Toyota engines.
- Gerotor-type pumps use an inner rotor and outer rotor with a slight eccentricity. They offer smoother oil flow, higher efficiency, and are more common in modern Toyota engines.
Using a genuine Toyota complete oil pump assembly eliminates the risk of mismatched components and ensures the precise rotor-to-housing clearance required for stable oil pressure across the full RPM range.
Why Source From SC INDUSTRY?
- Engine-Code Precision Matching – We match every oil pump by your Toyota engine code and production date. Mid-production changes in pump design are common, and using the wrong variant can cause low pressure or fitment issues.
- Complete Assembly, Ready to Install – Each genuine Toyota oil pump arrives pre-assembled with strainer, relief valve, and gaskets. No transferring old components, no missing parts.
- Technical Screening Before Dispatch – Our team checks your order against the engine code. If a pump variant does not match — such as a 2ZR pump ordered for a 2AZ engine — we flag it before shipping.
- Deep Stock on High-Failure Items – Oil pumps for 1KD and 2AZ engines are held in depth. When your workshop is mid-rebuild, we ship the same day.
Frequently Asked Questions (FAQ)
Q: How do I know which oil pump fits my Toyota?
A: The most reliable method is to provide your vehicle's VIN (Vehicle Identification Number) or engine code. Our team will verify the exact pump variant for your specific engine and production date.
Q: Is this a genuine Toyota part or aftermarket?
A: We supply 100% genuine Toyota oil pump assemblies in original Toyota packaging, factory pressure-tested.
Q: What's included in the complete assembly?
A: Each unit includes the pump housing, gears/rotors, drive shaft, pressure relief valve, oil strainer, and mounting gaskets – everything you need for a direct bolt-on installation.
Q: Do you offer wholesale pricing for distributors?
A: Yes. We specialize in bulk supply for parts distributors and workshops. Contact us with your volume requirements for a customized quote.
Request a Quote
Need a genuine Toyota oil pump for a Corolla rebuild? Sourcing an original Toyota 1KD pump assembly for a Hilux? Send us the VIN or engine code – we'll verify the exact pump and provide a wholesale price within 24 hours.
Symptoms of a Failing Toyota Oil Pump
Before replacing any oil pump, confirm the fault is actually the pump — not a clogged oil filter, a faulty oil pressure sensor, or incorrect oil viscosity. Many"oil pump failures"trace back to thick sludge, a clogged pickup screen, tired oil, the wrong viscosity, or a weak pressure relief valve spring — so diagnosis matters before parts get ordered.
Oil pressure warning light flickering or on at hot idle: the most common symptom. The light may be off at cold start and appear only after the engine warms up and oil thins out. A 2014 Toyota Auris hybrid with 84,130 km experienced intermittent oil pressure warnings and loud engine noises, confirmed to be a defective oil pump.
Rattling or ticking noise from the top end at idle when hot: hydraulic lifters and timing chain tensioners rely on oil pressure to maintain proper clearance. Low pressure causes them to collapse and rattle. This is often described as a"top-end rattle"or"diesel-like sound".
Metallic glitter in drained oil: metal particles suspended in the oil indicate internal pump wear or bearing damage. If the oil pump is producing metal debris, the entire lubrication system must be flushed.
VVT-i performance codes: variable valve timing systems depend on oil pressure to actuate the camshaft phaser. Low oil pressure can trigger VVT-i codes and cause rough idle or reduced power.
Bearing rumble on cold starts: if the oil pump drains back overnight, the engine runs without oil pressure for several seconds on startup. This causes a distinct rumbling or knocking sound until pressure builds.
Engine stalls and fails to restart: in severe cases, the engine may stall and fail to restart because the oil pressure sensor detects no pressure and the ECU cuts fuel and spark to protect the engine.
How to Diagnose a Toyota Oil Pump Problem: The Correct Procedure
The correct diagnostic procedure for oil pump problems involves four steps. Do not skip steps — replacing the pump without confirming the fault is an expensive mistake.
Step 1: Check oil level and condition. Pull the dipstick and check for correct level and viscosity. Milky or discolored oil indicates coolant contamination. Metallic glitter indicates internal wear. If the oil is overdue for a change or the wrong viscosity, change the oil and filter first, then re-test.
Step 2: Connect a mechanical oil pressure gauge. Do not rely on the dashboard warning light alone. Remove the oil pressure sending unit and connect a mechanical gauge to the port. Start the engine and record pressure at idle, at 2,000 RPM, and at operating temperature. Compare readings against the manufacturer's specification.
Step 3: Inspect the oil filter and pickup screen. Cut the oil filter open and inspect the pleated media for metal particles or sludge. Remove the oil pan and inspect the oil pickup screen for blockage. A clogged pickup screen can mimic a failed pump.
Step 4: Check the pressure relief valve. If oil pressure is low at hot idle but normal at higher RPM, the pressure relief valve may be stuck open. This is a common issue on high-mileage Toyota engines and can sometimes be resolved without replacing the entire pump.
Installation Torque Specifications and Best Practices
Oil pump bolts are torque-critical. Under-tightening causes oil leaks and loss of pressure. Over-tightening can crack the aluminum timing cover or distort the pump housing.
Toyota A25A-FKS (2019–2025 RAV4): Oil pump assembly to stiffening crankcase — 3 bolts at 24 N·m (18 ft·lbf).
Toyota 2ZR-FE: Oil pump to block — 21 N·m (15 ft·lbf). Oil pump driven gear nut — 100 N·m (74 ft·lbf).
Toyota 1ZZ-FE / 2ZZ-GE: Oil pump to block M8 bolts — 14 N·m (10 ft·lbf). M10 bolts — 41 N·m (30 ft·lbf).
General Toyota specification: Oil pump cover bolts — 12 N·m (105 in·lbs). Oil pump to block bolts — 28 N·m (250 in·lbs).
Always follow the OEM repair manual for your specific engine code. Torque specifications vary significantly by engine family.
Installation sequence:
Clean all gasket surfaces. Any old gasket material left on the block or pump housing will cause leaks.
Prime the new oil pump before installation. Fill the pump housing with clean engine oil and rotate the drive gear by hand until oil fills the internal clearances. Never install a dry oil pump — this causes a dry start and can damage the pump and engine bearings.
Install a new oil pump gasket or O-ring. Never reuse old gaskets.
Position the pump on the block or timing cover and hand-tighten all bolts.
Torque all bolts in a cross pattern to specification.
Install the oil pickup tube with a new O-ring. Lubricate the O-ring with clean engine oil.
Reinstall the oil pan with a new gasket.
Fill the engine with the correct oil and filter.
Crank the engine without starting (disconnect the ignition or fuel pump fuse) until oil pressure builds. This primes the system and prevents a dry start.
Start the engine and check for leaks. Verify oil pressure with a mechanical gauge.
Real-World Case Study: Diagnosing Oil Pump Failure Through Pressure Testing
A fleet operator in the Middle East with 35 Toyota Camry 2.5L vehicles reported intermittent oil pressure warnings and top-end rattle on 12 vehicles between 90,000 and 130,000 km.
Initial diagnosis by the fleet's in-house mechanic: oil pressure sensor failure. Recommended action: replace all 12 sensors.
SC Industry recommendation: perform a mechanical oil pressure test before replacing any sensors. On testing, 9 of the 12 vehicles showed oil pressure below specification at hot idle (below 1.0 bar). The oil pump pressure relief valve was stuck open on 7 vehicles due to sludge accumulation. The remaining 2 vehicles had internal pump wear.
Correct repair procedure: replace the oil pump with genuine Toyota 15100-F0011 on all 9 vehicles, flush the lubrication system, and switch the fleet to a shorter oil change interval of 8,000 km instead of 10,000 km. Results after 12 months: zero repeat oil pressure failures. The fleet saved approximately $8,400 compared to the initial quote for full engine replacements on 3 vehicles that had already suffered bearing damage.
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