1. Oil Pumps Products
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  3. AISIN SX-3871

AISIN SX-3871 Engine Oil Pump Cylinder Block Wd 2.4L L4

fits model: Highlander. make: Toyota. year: 2001–2007.

Sx-3871 Aisin Engine Oil Pump For 2001-2007 Toyota Highlander 2.4l L4 Cylinder Block Wd

( Brand: Aisin ), ( Type: Engine Oil Pump ), ( Manufacturer Part Number: SX-3871 ), ( Manufacturer Warranty: 1 Year / 12, 000 Miles ), ( Ipn: C467 47-24 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Year: 2007 2006 2005 2004 2003 2002 2001 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Aisin Engine Oil Pump )

Review AISIN Engine Oil Pump Toyota 2.4l L4 Cylinder Block Wd fits HIGHLANDER 2001–2007

The AISIN SX-3871 engine oil pump is an essential component for the 2001-2007 Toyota Highlander vehicles equipped with a 2.4L L4 cylinder block with wet sump oil system. This oil pump is manufactured by AISIN Seiki, a leading automotive parts supplier known for its high-quality and reliable components.

The SX-3871 oil pump is designed to efficiently circulate engine oil throughout the engine, ensuring proper lubrication and cooling of critical engine components. It features a compact and robust design, with a durable cast aluminum housing that provides excellent heat dissipation properties. The pump also utilizes a high-precision machined rotor and stator, ensuring optimal oil flow rate and pressure.

The pump is driven by the engine's timing belt, with a unique design that minimizes friction and wear, resulting in long-lasting performance. It also comes with a built-in pressure relief valve that prevents excessive oil pressure build-up, ensuring the engine's longevity and reliability.

The oil pump is specifically engineered to fit the 2.4L L4 cylinder block engines found in the Toyota Highlander models from 2001 to 2007. It is a direct replacement part, meaning it is an exact match to the OEM part, ensuring a hassle-free installation process. The pump comes complete with all necessary hardware, including gaskets and bolts, for a straightforward installation.

In summary, the AISIN SX-3871 engine oil pump is a high-quality and reliable component designed specifically for the 2001-2007 Toyota Highlander vehicles with a 2.4L L4 cylinder block and wet sump oil system. Its compact, robust design, and efficient oil circulation capabilities make it an excellent choice for maintaining the optimal performance and longevity of your engine.

Pros and Cons of Buying AISIN SX-3871 Engine Oil Pump for 2001-2007 Toyota Highlander 2.4L L4 Cylinder

1. Pros:

a. OEM (Original Equipment Manufacturer): The AISIN SX-3871 is an original equipment manufactured part, ensuring a perfect fit and optimal performance for your 2001-2007 Toyota Highlander 2.4L L4 cylinder.

b. Durability: AISIN is a reputable brand known for producing high-quality engine components, including oil pumps. This pump is designed to last and provide reliable service.

c. Improved Engine Performance: A faulty oil pump can lead to poor engine performance. Replacing it with a new, efficient oil pump can help improve overall engine performance and fuel economy.

2. Cons:

a. Cost: OEM parts, such as the AISIN SX-3871, tend to be more expensive than aftermarket alternatives. However, the added cost may be worth it for the peace of mind and improved performance.

b. Installation: Installing an oil pump can be a complex process, especially for those without mechanical experience. It may be necessary to seek professional help for installation, adding to the overall cost.

Conclusion:

The AISIN SX-3871 engine oil pump is a high-quality OEM part specifically designed for the 2001-2007 Toyota Highlander 2.4L L4 cylinder. Its durability, reliability, and improved engine performance make it a worthwhile investment. However, the higher cost and potential installation challenges should be considered before making a purchase.

Recommendation:

If you are looking for a reliable, effective solution to replace the engine oil pump in your 2001-2007 Toyota Highlander 2.4L L4 cylinder, the AISIN SX-3871 is a solid choice. It may require a larger upfront investment, but the peace of mind and improved engine performance it offers make it a worthwhile investment for many vehicle owners. If cost is a major concern, consider exploring aftermarket options or seeking alternative solutions. However, keep in mind that these alternatives may not offer the same level of reliability and performance as an OEM part like the AISIN SX-3871.

Details:

AISIN Engine Oil Pump for 2001 - 2007 Toyota Highlander 2.4L L4 Cylinder Block wd: Status: In Stock.

part #: sx3871 price

  • $107.82

specifications pumppruner:

  • for models: Highlander
  • for makes: Toyota
  • for years: 2001-2007
  • brand: Aisin
  • type: Engine Oil Pump
  • manufacturer part number: SX-3871
  • manufacturer warranty: 1 Year / 12, 000 Miles
  • interchange part number: C467 47-24
  • placement on vehicle: Engine Cylinder Block
  • compatible year: 2007 2006 2005 2004 2003 2002 2001
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Aisin Engine Oil Pump

offer pumppruner:

  • sold: 0
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  • availability: In Stock
  • quantity: 2
  • started: September 19, 2025

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  • city: Indianapolis, Indiana
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general pumppruner:

  • Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts
  • condition: New
for models: highlander, for makes: toyota, for years: 2001-2007, type: engine oil pump, manufacturer warranty: 1 year / 12, 000 miles, placement on vehicle: engine cylinder block, compatible year: 2007 2006 2005 2004 2003 2002 2001, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine aisin engine oil pump,
category: auto parts > car truck parts accessories > engines engine parts > oil pumps parts, sku: 7714785897705603,

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