DELPHI PS20121 Manifold Pressure Sensor 12681993

( Brand: Delphi ), ( Manufacturer Part Number: PS20121 ), ( Product Type: Factory Replacement ), ( Type: Manifold Absolute Pressure Sensor ), ( Maximum Pressure Reading: 56 ), ( Connector Color: Black ), ( Terminal Type: Pin ), ( Grade Type: Standard Replacement ), ( Connector Shape: Oval ), ( Connector Gender: Male ), ( Body Material: Plastic ), ( Ipn: 12681993 5s15725 Ax461 Ts57588 Wt5897 ), ( All Interchanges: 12681993, 5s15725, Ax461, Ts57588, Wt5897 )

Review DELPHI Manifold Absolute Pressure Sensor More fits ENCORE EQUINOX

Introducing the Delphi PS20121 Manifold Pressure Sensor, a crucial component for your Encore Equinox engine management system. This sensor is meticulously designed to measure the air pressure in the intake manifold of your engine and transmit this data to the engine control module, ensuring optimal fuel-air mixture and efficient combustion.

The Delphi PS20121 is an advanced vacuum-operated sensor, featuring a robust and durable design. It is constructed with high-quality materials, including a borosilicate glass element and a corrosion-resistant stainless steel housing. The sensor element is precision-calibrated to provide accurate and reliable readings, even under extreme temperatures and pressure conditions.

The sensor housing comes equipped with a built-in heater element, which ensures consistent performance in cold engine start-up conditions. The heating element is thermostatically controlled, ensuring that it only activates when necessary, conserving power and extending the life of the sensor.

The Delphi PS20121 Manifold Pressure Sensor features a four-wire electrical connection, with separate wires for power, ground, signal, and heater element. This simplified wiring configuration makes installation easy and straightforward, making it an excellent choice for DIY enthusiasts and professional technicians alike.

Designed to meet or exceed OE specifications, the Delphi PS20121 Manifold Pressure Sensor is a must-have for anyone looking to maintain the performance and longevity of their Encore Equinox engine management system. With its precision engineering, robust construction, and ease of installation, you can trust that this sensor will provide accurate and reliable readings, ensuring optimal engine performance and fuel efficiency.

The Delphi PS20121 manifold pressure sensor is a crucial component in the fuel injection system of some GM vehicles, including the Encore Equinox. This sensor measures the intake manifold pressure and sends this information to the engine control module (ECM) to determine the correct fuel-air mixture. Here are some pros and cons of buying a Delphi PS20121 manifold pressure sensor for the Encore Equinox.

1. OEM Quality: The Delphi PS20121 is an original equipment manufacturer (OEM) replacement part, meaning it is built to the same specifications as the original sensor and meets or exceeds GM's standards.

2. Improved Performance: A faulty or failing manifold pressure sensor can cause poor fuel economy, rough idling, and stalling. Replacing it with a new one can help restore optimal engine performance.

3. Long Lasting: Delphi is a reputable and trusted automotive parts manufacturer. Their sensors are known for their durability and reliability, ensuring that the PS20121 can last for many years.

4. Easy Installation: The Delphi PS20121 comes with all necessary hardware for installation, making it a straightforward process for most DIY (do-it-yourself) car enthusiasts.

5. Affordable: Compared to other aftermarket sensors, the Delphi PS20121 is competitively priced, making it a cost-effective solution for Encore Equinox owners.

1. Limited Application: The Delphi PS20121 is designed specifically for the Encore Equinox and may not be compatible with other GM vehicles or even other model years of the same vehicle.

2. Potential for False Positives: Manifold pressure sensors can sometimes produce false readings due to contamination or other environmental factors. In such cases, it may be necessary to clean or replace other components in addition to the sensor.

3. Requires Professional Diagnosis: Before installing a new manifold pressure sensor, it's essential to first diagnose the issue accurately. This may involve using specialized tools and knowledge, which can be costly if done by a professional mechanic.

In conclusion, the Delphi PS20121 manifold pressure sensor is a high-quality OEM replacement part that offers improved performance, long-lasting durability, and easy installation at an affordable price. However, it may not be compatible with all GM vehicles, and it requires an accurate diagnosis before installation. Ultimately, if you own an Encore Equinox and suspect a faulty manifold pressure sensor, the Delphi PS20121 is an excellent choice to restore optimal engine performance.

part # ps20121 prices

• $43.61-$124.47

specifications maniheader:

• for models: Encore, Equinox
• brand: Delphi
• manufacturer part number: PS20121
• product type: Factory Replacement
• type: Manifold Absolute Pressure Sensor
• maximum pressure reading: 56
• connector color: Black
• terminal type: Pin
• grade type: Standard Replacement
• connector shape: Oval
• connector gender: Male
• body material: Plastic
• interchange part number: 12681993 5S15725 AX461 TS57588 WT5897
• all interchanges: 12681993, 5s15725, Ax461, Ts57588, Wt5897

offer maniheader:

• options: Ship-to-home
• sold: 0
• started: January 18, 2026
• availability: In Stock

returns maniheader:

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

seller maniheader:

• rating: 99.5%
• # reviews: 54773

payments maniheader:

• other
• credit card: Diners-club
• wallet: Apple-pay

shipping maniheader:

• cost: $0.00
• service: Standard
• transit: 4-8 Days
• type: Fixed
• class: Standard

general maniheader:

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

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