STANDARD IGNITION AS342 Manifold Pressure Sensor Q45

( Brand: Standard Ignition ), ( Manufacturer Part Number: AS342 ), ( Product Type: Factory Replacement ), ( Type: Manifold Absolute Pressure Sensor )

Review STANDARD IGNITION Manifold Absolute Pressure Sensor Q45 More fits SENTRA

The AS342 Manifold Pressure Sensor is a crucial component of the engine management system for Nissan Q45 and Sentra models equipped with a standard ignition system. This sensor is responsible for measuring the manifold pressure, which in turn helps the engine control unit (ECU) determine various engine parameters such as air-fuel ratio, ignition timing, and engine load.

The AS342 Manifold Pressure Sensor is a robust and reliable device, designed to withstand the extreme temperatures and pressures found in the engine bay. It features a solid-state design, which ensures accurate and consistent readings over an extended period. The sensor's housing is made of high-strength materials, providing excellent protection against engine heat and other harsh operating conditions.

The AS342 Manifold Pressure Sensor employs a piezoelectric element to measure the manifold pressure. This element generates an electrical signal in response to the pressure changes in the intake manifold. The sensor then converts this electrical signal into a digital output that can be read by the engine control unit.

The AS342 Manifold Pressure Sensor is easy to install, making it a popular choice among DIY enthusiasts and professional technicians alike. It comes with all necessary hardware, including mounting brackets and electrical connectors. The sensor's connection points are clearly labeled, ensuring a hassle-free installation process.

The sensor's electrical specifications include a voltage range of 4.5 to 5.5 volts and a resistance of 2.2 ohms at 5 volts. It is designed to operate in temperatures ranging from -40 C to 150 C, making it suitable for use in various climates and driving conditions.

The AS342 Manifold Pressure Sensor is an essential upgrade for any Nissan Q45 or Sentra owner looking to optimize their engine performance and improve fuel efficiency. Its accurate and reliable measurements enable the engine control unit to make precise adjustments to engine parameters, resulting in smoother and more responsive engine performance. Additionally, the sensor's solid-state design ensures long-lasting reliability, providing peace of mind for countless miles of driving enjoyment.

Buying a standard ignition manifold pressure sensor (AS342) for a Nissan Q45 or Sentra can be a straightforward solution for maintaining the engine's optimal performance. However, like any automotive part purchase, there are advantages and disadvantages to consider.

1. Cost-effective: A standard aftermarket manifold pressure sensor is generally more affordable than an OEM (original equipment manufacturer) part. This can save you money, especially if your vehicle requires frequent sensor replacements.

2. Wide availability: Aftermarket sensors are produced by numerous manufacturers, ensuring a wide range of options and availability. You can easily find these sensors at most auto parts stores or online marketplaces.

3. Flexibility: Aftermarket sensors often come with various thread sizes and configurations to fit different vehicle models and engines. This can save you the hassle of searching for a specific OEM part that may not always be readily available.

1. Quality concerns: Not all aftermarket sensors are created equal. Some may not meet original equipment specifications, potentially affecting the accuracy and reliability of the sensor data.

2. Inconsistent performance: Aftermarket sensors may not perform exactly the same as OEM sensors, which could lead to slight differences in engine performance or fuel efficiency.

3. Lack of manufacturer support: Unlike OEM parts, aftermarket sensors do not come with the same level of manufacturer support and warranty coverage.

When considering the purchase of a standard ignition manifold pressure sensor (AS342) for your Nissan Q45 or Sentra, weigh the advantages and disadvantages carefully. If cost savings and wide availability are your primary concerns, an aftermarket sensor might be the best choice. However, if you prioritize consistent performance and manufacturer support, an OEM sensor might be a better investment, despite the higher cost.

If you are comfortable with the potential trade-offs and prefer the cost savings, an aftermarket manifold pressure sensor from a reputable manufacturer should suffice. However, if you want the peace of mind that comes with an OEM part, consider purchasing a genuine Nissan AS342 sensor from a trusted dealer.

part # as342 prices

• $418.57-$480.73

specifications maniheader:

• for models: Sentra
• brand: Standard Ignition
• manufacturer part number: AS342
• product type: Factory Replacement
• type: Manifold Absolute Pressure Sensor

payments maniheader:

• wallet: Apple-pay
• credit card: Discover
• other

general maniheader:

• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
• condition: New

seller maniheader:

• # reviews: 54740
• rating: 99.5%

returns maniheader:

• policy: Returns Accepted
• paid by: Seller
• time: 60 Days

offer maniheader:

• quantity: 5
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: January 17, 2026

shipping maniheader:

• cost: $0.00
• type: Fixed
• class: Standard
• transit: 4-6 Days
• service: Standard

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