Details

• Brand:

  

• SKU:

  16119-4W010

• Other Names:

  Fuel Injection Throttle Body, Chamber Assembly - Throttle

• Description:

  Experiencing rough idle, poor acceleration, or stalling? Restore smooth airflow and engine performance with the OEM Nissan Throttle Body (Part #16119-4W010), designed for precise air intake control in your Pathfinder.

  Throttle Body (16119-4W010) – OEM Replacement Part for Nissan

  This genuine Nissan throttle body regulates the amount of air entering your engine, ensuring proper air-fuel mixture and smooth engine response. Built to Nissan’s original specifications, it delivers consistent performance and reliability for older Pathfinder models.

  Specifications

  • Part Type: Throttle Body Assembly

  • Function: Controls airflow into the engine based on accelerator input

  • Construction: OEM-grade aluminum housing with precision-machined throttle plate and factory-calibrated sensors

  • Position: Mounted between the intake manifold and air intake duct

  • Includes: Complete throttle body assembly (gaskets sold separately)

  Compatible Nissan Models

  • 1995–2004 Nissan Pathfinder (R50US)

  Fitment may vary based on trim and engine. Confirm compatibility by entering your VIN at checkout.

  Key Features

  • Genuine Nissan part ensures proper air-fuel balance and smooth throttle response

  • Factory calibration prevents hesitation, stalling, or erratic idle

  • Durable construction withstands heat, vibration, and fuel vapor exposure

  • Direct-fit replacement engineered for long-lasting reliability

  • Critical to maintaining engine performance and emissions compliance

  Failing to Replace a Faulty Throttle Body Can Lead To:

  • Rough Idle or Stalling: Caused by improper airflow at idle

  • Loss of Power: Restricted or inconsistent airflow reduces acceleration

  • Check Engine Light (CEL): Common codes include P0120, P2101, or idle control faults

  • Poor Fuel Economy: Incorrect airflow disrupts fuel efficiency

  • Emissions Failure: Air-fuel imbalance prevents readiness monitors from completing

  Related Components to Inspect or Replace

  • Throttle Position Sensor (TPS) – Monitors throttle angle; may fail with throttle body

  • Idle Air Control Valve – Helps regulate airflow at idle; check for carbon buildup

  • Mass Air Flow (MAF) Sensor – Works in conjunction with throttle body for fuel mapping

  • Air Intake Duct & Hoses – Inspect for cracks or leaks that disrupt airflow

  • Engine Air Filter – Replace to prevent debris from entering throttle body

  Order with Confidence

  Order the OEM Throttle Body (16119-4W010) to restore factory-correct throttle response and reliable engine performance. Designed to Nissan’s original specifications for a precise fit and consistent operation.

  Restore Your Nissan with Genuine Accessories!

  Looking to restore your Nissan? We offer factory-direct Nissan accessories at competitive prices, including all-weather floor mats, pet accessories, roof carriers, and wheel locks. Whether you’re restoring protection, style, or utility, shop genuine Nissan parts and accessories all in one place!

  Why Buy OEM Nissan Parts from Chapman Nissan?

  Every OEM part listed on our site is genuine from Nissan, built to exact factory specs for fit, function, and safety. Unlike aftermarket parts, our components are tested to work seamlessly with your vehicle’s onboard systems — including sensors, ECM logic, and emission controls.

  • Fast, secure shipping from a certified Nissan dealer

  • VIN check available to ensure compatibility

  • Trusted by Nissan owners and professional technicians

  Note: To avoid issues with return eligibility or fitment, please verify your VIN before ordering. This part is non-returnable if installed.

  Engine Air & Fuel FAQ

  Q: What symptoms indicate a failing throttle body?
  A: Common signs include rough idle, surging, hesitation, stalling, or check engine light codes related to airflow or throttle control.

  Q: Can I clean the throttle body instead of replacing it?
  A: Light carbon buildup can sometimes be cleaned, but worn sensors or sticking throttle plates typically require full replacement.

  Q: Will an aftermarket throttle body work the same as OEM?
  A: Aftermarket units may not match Nissan’s calibration or sensor tolerances, which can lead to drivability issues. OEM ensures proper fit and ECM compatibility.

  Q: Do I need to reset the ECM after throttle body replacement?
  A: In many cases, yes. The ECM may require a relearn procedure for proper idle and throttle response. Consult your service manual or technician.

• Condition: New

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