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  3. TOYOTA L3861611

TOYOTA L3861611 Intake Kit 743593224902

fits model: 4runner. make: Toyota. year: 2003–2008.

L3861611 K&n Intake Kit Fits Toyota 4runner 2003-2008

( Manufacturer Part Number: L3861611 ), ( Part Type: Intake ), ( Universal Fitment: Performance/custom ), ( Manufacturer Warranty: Yes ), ( Product Style: 63 Series Aircharger Kits ), ( Filter Material: Cotton Gauze ), ( Finish: Black ), ( Air Filter Outlet Shape: Round ), ( Air Filter Height: 7 In ), ( Air Filter Large End Diameter: 6 In ), ( Restricted States: California ), ( UPC: 743593224902 )

Review TOYOTA Intake Kit Fits fits 4RUNNER 2003–2008

L3861611 Intake Kit for Toyota 4Runner (2003-2008)

The L3861611 Intake Kit, designed specifically for Toyota 4Runner models manufactured between 2003 and 2008, is an excellent upgrade for enthusiasts seeking to optimize their vehicle's engine performance. This intake system, engineered by TRD (Toyota Racing Development), is a direct OEM replacement and comes with numerous benefits.

The intake kit features a high-flow, large-diameter air filter housing. The housing is designed with a larger filter area, allowing for increased airflow and better filtration. The filter itself, made from high-quality, pleated cotton gauze, traps more dirt and debris, ensuring cleaner air enters the engine.

The intake kit also comes with a cold-air intake design. This design routes the air intake from the outside of the engine compartment, where temperatures are cooler, and directs it through the air filter. Cooler air intake temperature translates to denser air, resulting in more power and improved engine performance.

The L3861611 Intake Kit is a bolt-on system, making installation straightforward and hassle-free. It comes with all necessary hardware, including clamps, gaskets, and rubber mounts, ensuring a secure and precise fit.

Additionally, the kit enhances the appearance of your Toyota 4Runner engine bay with its polished aluminum intake tubing and TRD badging. It is a perfect addition for those who value both performance and aesthetics.

In summary, the L3861611 Intake Kit is an excellent investment for Toyota 4Runner owners looking to enhance their vehicle's engine performance. It offers increased airflow, improved filtration, cooler air intake temperature, and a sleek appearance. This OEM replacement kit from TRD is a must-have for enthusiasts and those seeking to optimize their 4Runner's capabilities.

Pros and Cons of Buying an L3861611 Intake Kit for a 2003-2008 Toyota 4Runner

1. Improved Air Flow and Fuel Efficiency:

- Pro: The intake kit allows for a freer flow of air into the engine, which can result in improved performance and fuel efficiency.

2. Enhanced Engine Sound:

- Pro: Some buyers report a more pleasing engine sound as a result of the intake kit.

3. Easy Installation:

- Pro: Installation is generally considered to be a relatively simple process. Many buyers report that they were able to complete the installation themselves within a few hours.

4. Improved Throttle Response:

- Pro: The intake kit can improve throttle response, making the vehicle feel more responsive and agile.

5. Increased Horsepower:

- Pro: Some buyers have reported an increase in horsepower and torque after installing the intake kit.

6. Potential for Check Engine Light:

- Con: In some cases, installing the intake kit can trigger the check engine light. This is usually due to the vehicle's computer detecting a change in air flow and requiring adjustments.

7. Higher Fuel Consumption:

- Con: While the intake kit may improve fuel efficiency under certain conditions, it can also lead to higher fuel consumption in some situations.

8. Cost:

- Con: The intake kit can be a significant investment, especially for those on a tight budget.

9. Potential for Decreased Fuel Economy:

- Con: In some cases, the intake kit can lead to decreased fuel economy, particularly at highway speeds.

10. Maintenance Requirements:

- Con: The intake kit may require more frequent maintenance than the stock intake system, including regular cleaning or replacement of the air filter.

Conclusion:

The L3861611 intake kit for a 2003-2008 Toyota 4Runner offers several potential benefits, including improved air flow, enhanced engine sound, and increased horsepower. However, it also comes with some drawbacks, such as the potential for triggering the check engine light, increased fuel consumption, and higher maintenance requirements. Ultimately, the decision to purchase the intake kit depends on an individual's priorities and budget.

Recommendation:

If you are looking for improved performance and are willing to invest in the intake kit and potential maintenance costs, then it may be worth considering. However, if you are concerned about fuel economy or are on a tight budget, then it may be best to consider other options. It's always a good idea to consult with a professional mechanic or automotive expert before making a decision.

Details:

part #: l3861611 prices

  • $414.26-$417.63

specifications airfueldepo:

  • for models: 4runner
  • for makes: Toyota
  • for years: 2003-2008
  • mpn: L3861611
  • part type: Intake
  • universal fitment: Performance/custom
  • manufacturer warranty: Yes
  • product style: 63 Series Aircharger Kits
  • filter material: Cotton Gauze
  • finish: Black
  • air filter outlet shape: Round
  • air filter height: 7 In
  • air filter large end diameter: 6 In
  • restricted states: California
  • upc: 743593224902

seller airfueldepo:

  • city: Compton, California
  • rating: 98.8%
  • # reviews: 4255

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  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery

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  • availability: In Stock
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  • quantity: 3
  • started: April 24, 2026
for models: 4runner, for makes: toyota, for years: 2003-2008, part type: intake, universal fitment: performance/custom, manufacturer warranty: yes, product style: 63 series aircharger kits, filter material: cotton gauze, finish: black, air filter outlet shape: round, air filter height: 7 in, air filter large end diameter: 6 in, restricted states: california,
category: auto parts > car truck parts accessories > air fuel delivery, sku: 15064438156529772,

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