1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 10233143519273762
  3. INFINITI R-4W06L

INFINITI R-4W06L Right Cylinder Head 3.5

fits model: Qx4. make: Infiniti. year: 2003.

R-4w06l Infiniti 2003 Qx4 3.5 Right Cylinder Head Oem

( Manufacturer Part Number: R-4W06L ), ( Type: Cylinder Head ), ( Items Included: Bolts ), ( Country/region Of Manufacture: United States ), ( Vintage Part: No )

Review INFINITI 3.5 Right Cylinder Head Oem fits QX4 2003

Detailed Product Description for Infiniti R-4W06L 2003 QX4 3.5 Right Cylinder Head

The Infiniti R-4W06L 2003 QX4 3.5 Right Cylinder Head is an exceptional replacement component for your vehicle's engine, designed to restore its original performance and reliability. This OEM (Original Equipment Manufacturer) part is meticulously engineered to match the exact specifications of the original component, ensuring a seamless fit and optimal functionality.

The cylinder head is a critical component within the engine, responsible for controlling the intake and exhaust processes of the engine's combustion chambers. In the Infiniti QX4's 3.5-liter V6 engine, this cylinder head plays a significant role in the vehicle's power output and fuel efficiency.

This R-4W06L cylinder head features a robust cast-aluminum construction, ensuring it can withstand the high temperatures and pressures generated within the engine. It is equipped with four valves per cylinder, which are actuated by dual overhead camshafts, promoting efficient combustion and enhancing the engine's power delivery.

The cylinder head also houses the intake and exhaust ports, as well as the spark plugs and fuel injectors. Each component is precision-machined for optimal flow and combustion efficiency, contributing to the engine's overall performance.

This Infiniti R-4W06L 2003 QX4 3.5 Right Cylinder Head is comprehensively inspected and tested to ensure it meets the highest standards of quality and reliability. By replacing a worn or damaged cylinder head with a genuine OEM part, you can restore the performance, longevity, and safety of your Infiniti QX4.

In summary, the Infiniti R-4W06L 2003 QX4 3.5 Right Cylinder Head is an essential component for maintaining the performance and reliability of your Infiniti QX4. Its robust design, precision-machined components, and OEM quality make it an ideal choice for your vehicle, ensuring a hassle-free driving experience for many miles to come.

Analysis of the 2003 Infiniti QX4 3.5 (R-4W06L, Right Cylinder Head)

Pros:

1. Powerful Engine: The 3.5-liter V6 engine provides a responsive and smooth driving experience, offering a decent amount of power for daily commuting and highway driving.

2. All-Wheel Drive System (AWD): The QX4 comes equipped with a sophisticated AWD system, which enhances traction and stability in various weather conditions.

3. Luxurious Interior: The interior of the QX4 is well-appointed with high-quality materials, comfortable seating, and a sleek design, giving it a premium feel.

4. Reliability (When Maintained): With regular maintenance, the QX4 can be quite reliable, especially for a used vehicle of its age.

Cons:

1. Fuel Consumption: The engine, while powerful, can be quite thirsty, resulting in higher fuel costs compared to more fuel-efficient vehicles.

2. Maintenance Costs: As with many luxury vehicles, the QX4 may require more expensive parts and more frequent maintenance, which can contribute to higher overall ownership costs.

3. Age and Mileage: With a production year of 2003 and likely high mileage, the QX4 may have encountered wear and tear that could lead to unexpected repairs.

4. Outdated Technology: The 2003 model lacks modern features such as Bluetooth, GPS, and touchscreen infotainment systems, which may be inconvenient for some buyers.

Conclusion:

The 2003 Infiniti QX4 3.5 (R-4W06L, Right Cylinder Head) offers a powerful and luxurious driving experience, but potential buyers should be aware of its higher fuel consumption, maintenance costs, and potential issues related to its age and mileage. If the vehicle has been well-maintained and the buyer is willing to accept the trade-offs associated with an older luxury SUV, it could prove to be a satisfying purchase. However, it's recommended to have a thorough inspection done by a trusted mechanic before making a decision. If possible, consider other models from the same year or slightly newer ones to compare features, reliability, and costs.

Details:

These matters are beyond our means of control. Please match part number. #362 2003 INFINITI QX4 3.5L.

part #: r4w06l price

  • $249.98

specifications cylinderheapar:

  • for models: Qx4
  • for makes: Infiniti
  • for years: 2003
  • mpn: R-4w06l
  • type: Cylinder Head
  • items included: Bolts
  • country/region of manufacture: United States
  • vintage part: No

payments cylinderheapar:

  • other
  • credit card: Visa
  • wallet: Paypal

returns cylinderheapar:

  • policy: No Returns

offer cylinderheapar:

  • availability: In Stock
  • started: August 19, 2025
  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

general cylinderheapar:

  • Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: Used

seller cylinderheapar:

  • # reviews: 10287
  • rating: 97.3%
  • city: Palm Coast, Florida

shipping cylinderheapar:

  • transit: 3-9 Days
  • type: Fixed
  • cost: $0.00
  • service: Economy
  • class: Economy
for models: qx4, for makes: infiniti, for years: 2003, type: cylinder head, items included: bolts, country/region of manufacture: united states, vintage part: no,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 10233143519273762,
Infiniti R-4W06L Is Similar To:
cylinderheapar logo
1 offer $249.98 USD
  • Used. Offer #1 priced at $249.98 + $0.00 shipping estimate = $249.98* total. #362 2003 INFINITI QX4 3.5L.FREE SHIPPING

Copyright © cylinderheapar.com