STANDARD MOTOR PRODUCTS SC427 Carquest Sensor SNA1104

( Brand: Standard Motor Products ), ( Manufacturer Part Number: SC427 ), ( Part Type: Sensor Motor ), ( Style: Electronic Sensor ), ( Material: Acrylonitrile Butadiene Styrene ), ( Item Weight: 0.01 )

Review STANDARD MOTOR PRODUCTS Carquest Vehicle Speed Sensor

Carquest SNA1104 Oxygen Sensor (Standard Motor Part Number: SC427)

The Carquest SNA1104 Oxygen Sensor, also known as the SC427, is a crucial component in maintaining optimal engine performance. This sensor is designed to measure the amount of unburnt oxygen in your vehicle's exhaust gases, allowing the engine management system to adjust the fuel-air mixture for maximum combustion efficiency.

Constructed with a ceramic housing, this sensor can withstand the extreme temperatures and conditions found within the exhaust system. Its zirconia element, a material known for its high sensitivity to oxygen, is responsible for detecting the oxygen levels in the exhaust gases. The heater element, located beneath the zirconia element, ensures the sensor operates efficiently in cold engine temperatures by warming up the sensor rapidly.

The Carquest SNA1104 Oxygen Sensor features a 1.2-volt electrical output and a 1.6 ohm resistance at 14.7% oxygen concentration. It is designed to fit and function as a direct replacement for the original part on various gasoline engines, providing consistent and reliable readings essential for maintaining fuel efficiency and reducing exhaust emissions.

Installation of this sensor is a straightforward process, typically involving the removal of the old sensor, securing the new sensor in place using the provided clamp or band, and connecting the electrical wiring. Always ensure proper safety precautions are taken during installation, such as wearing protective gloves and working in a well-ventilated area.

By choosing the Carquest SNA1104 Oxygen Sensor, you can trust that you are investing in a high-quality part designed to meet or exceed your vehicle's original equipment specifications. This sensor will help keep your engine running at its best, ensuring a smoother, more efficient ride.

Buying a Standard Motor S427 Carquest SNA1104 sensor for your vehicle involves considering its potential benefits and drawbacks. This sensor is designed to monitor the air/fuel ratio in your vehicle's engine and provide essential data to the engine management system.

1. Improved Engine Performance: A faulty oxygen sensor can negatively impact engine performance. Replacing the sensor with a new one, like the Carquest SNA1104, can help restore optimal engine performance.

2. Better Fuel Economy: An accurate oxygen sensor can help your engine run efficiently, which can lead to better fuel economy.

3. Enhanced Emission Control: Properly functioning oxygen sensors are critical for maintaining effective emission control systems. Installing a new sensor can help your vehicle meet or exceed emissions standards.

1. Cost: Replacing an oxygen sensor can be an added expense, especially if it's not covered under warranty. The cost of the Carquest SNA1104 sensor itself, as well as the labor costs to install it, can add up.

2. Installation Complexity: Installing the sensor may require specialized tools and knowledge, especially if you're not experienced in automotive repairs.

3. Potential for False Positives: While a faulty oxygen sensor can cause issues, a new sensor can sometimes produce false positives, leading to unnecessary repairs or diagnostic tests.

Considering the pros and cons, the decision to buy and install a Standard Motor S427 Carquest SNA1104 sensor depends on your specific situation. If you're experiencing noticeable engine performance issues, poor fuel economy, or emission-related concerns, investing in a new oxygen sensor could be worthwhile. However, if your vehicle is running well and there's no indication of an issue with the oxygen sensor, it might be best to hold off on the purchase. As always, consulting with a trusted mechanic or automotive professional can help you make an informed decision.

If you're experiencing symptoms that suggest a faulty oxygen sensor, consider having the sensor checked by a professional mechanic before purchasing a new one. They can help diagnose the issue accurately and recommend the best course of action. If you decide to replace the sensor, ensure you're purchasing a high-quality part from a reputable supplier, like Carquest, to ensure optimal performance and longevity.

Details:

Item MPN: SC427. Rest assured that you're getting a good deal when purchasing with us. Item model number: SC427. Features Inter motor Vehicle Speed Sensor SC427.

Manufacturer: Standard Motor Products. Details Product Dimensions: 3.25 x 3.0 5.69 inches. No questions asked. Fast and Free Shipping You're already purchasing the item.

part #: sc427 prices

• $46.67-$60.99

specifications partcardioequipmentio:

• brand: Standard Motor Products
• mpn: Sc427
• part type: Sensor Motor
• style: Electronic Sensor
• material: Acrylonitrile Butadiene Styrene
• item weight: 0.01

payments partcardioequipmentio:

• credit card: Diners-club
• wallet: Paypal
• other

seller partcardioequipmentio:

• # reviews: 1565
• city: Sacramento, California
• rating: 98.8%

offer partcardioequipmentio:

• options: Ship-to-home
• quantity: 1
• started: November 26, 2025
• sold: 0
• availability: In Stock
• best offers: True

shipping partcardioequipmentio:

• transit: 3-7 Days
• type: Fixed
• service: Standard
• cost: $0.00
• class: Standard

general partcardioequipmentio:

• condition: New
• Fitness, Running Yoga > Cardio Equipment > Machine Parts Accessories

returns partcardioequipmentio:

• time: 14 Days
• paid by: Buyer
• method: Money back
• policy: Returns Accepted

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