ACDELCO 12643808 Gm Air Charge Temperature Sensor 193468763362

( Brand: Acdelco ), ( Manufacturer Part Number: 12643808 ), ( Part Type: Sensor ), ( Product Type: A/c Heating ), ( UPC: 193468763362 ), ( California Prop 65 Warning: Cancer And Reproductive Harm. ), ( Fitment Type: Vehicle Specific ), ( Compatible Make S : Chevrolet, Gmc ), ( Compatible Model S : Silverado 3500 Hd, Silverado 2500 Hd, Express 2500, Express 3500 ), ( Fitnote: With A/c Compressor ), ( Product Subtype: A/c Relays, Sensors Switches ), ( Product Details: Cabin Air Temperature Sensor ), ( Series: Genuine Gm Parts ), ( Department: Replacement )

Review ACDELCO Chevy Hd Genuine Gm Parts Air Charge Temperature Sensor fits SILVERADO 3500 2011–2016

The **ACDelco 12643808 Air Charge Temperature Sensor** is a high-performance, OE-quality replacement part designed specifically for the **2011 2016 General Motors Chevrolet Silverado 3500 HD** with the **5.3L V8 (GM Code L86)** engine, ensuring precise and reliable operation of your vehicle s air intake system. This sensor plays a critical role in maintaining optimal engine performance by monitoring the temperature of the incoming air charge, which directly influences fuel delivery, combustion efficiency, and emissions control. Crafted to meet or exceed the original equipment manufacturer s specifications, the ACDelco sensor features a robust construction with a durable housing and a high-precision thermistor element, ensuring accurate readings even under demanding conditions. Its seamless integration with the Silverado s engine management system helps prevent issues like rough idling, poor fuel economy, or check engine lights triggered by inaccurate air temperature data. The sensor is engineered to withstand the harsh environments typical of heavy-duty trucks, including exposure to dust, moisture, and temperature fluctuations, while delivering consistent performance over the long term. Whether you re restoring a classic Silverado or maintaining a high-mileage workhorse, this sensor provides the reliability and precision needed to keep your engine running at peak efficiency. Backed by ACDelco s reputation for quality and compatibility, this part is an ideal choice for mechanics and DIY enthusiasts seeking a direct-fit, no-compromise solution.

**Pros and Cons of buying a ACDelco 12643808 Air Charge Temperature Sensor for a 2011-2016 GM Chevy Silverado 3500 HD**

1. **OEM Quality and Compatibility** ACDelco is a trusted brand under General Motors, known for producing parts that meet or exceed original equipment manufacturer (OEM) standards. This sensor is designed specifically for your vehicle s make and model, ensuring a proper fit and reliable performance.

2. **Reliability and Durability** ACDelco parts are engineered to withstand the demands of heavy-duty applications like the Silverado 3500 HD. The air charge temperature sensor is critical for maintaining optimal engine performance, fuel efficiency, and emissions control, and a high-quality sensor reduces the risk of premature failure.

3. **Warranty Coverage** ACDelco sensors typically come with a manufacturer s warranty, often ranging from 1 to 3 years or more, depending on the retailer. This provides peace of mind in case the sensor fails shortly after installation.

4. **Ease of Installation** The sensor is a straightforward replacement part, requiring minimal tools and expertise to install. It is usually a plug-and-play component, making it accessible for DIY mechanics or those without extensive automotive experience.

5. **Prevents Engine Issues** A faulty air charge temperature sensor can lead to inaccurate readings, causing issues like poor fuel economy, rough idling, or even triggering check engine lights (e.g., P0116 or P0117 codes). Replacing it with a reliable sensor helps maintain engine health and prevents more costly repairs down the line.

6. **Cost-Effective Alternative to OEM** While ACDelco is an OEM brand, it is often more affordable than purchasing a genuine GM part directly from a dealership. This makes it a practical choice for budget-conscious buyers without sacrificing quality.

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1. **Price Compared to Aftermarket Brands** While ACDelco offers strong reliability, some aftermarket brands may provide comparable performance at a lower cost. Brands like Bosch, Denso, or Motorcraft (Ford s OEM brand) sometimes offer competitive alternatives that could be slightly cheaper.

2. **Potential Counterfeit Concerns** As with any popular OEM part, there is a risk of purchasing a counterfeit ACDelco sensor, especially from untrusted online retailers. Buying from authorized dealers, Amazon, or reputable auto parts stores minimizes this risk but requires due diligence.

3. **Limited Availability in Some Locations** Depending on your region, ACDelco parts may not be as widely stocked as generic aftermarket sensors. This could require ordering online or visiting a specialized auto parts store, which may not always be convenient.

4. **Installation Challenges for Non-Mechanics** While the sensor itself is simple to replace, locating it in the engine bay (often near the throttle body or intake manifold) may require some familiarity with your vehicle s layout. Those unfamiliar with basic engine work might struggle with the process.

5. **No Significant Long-Term Cost Savings Over OEM** If you are already inclined to buy OEM parts for other components, the ACDelco sensor may not offer a substantial price advantage over a dealership-sold GM part. In such cases, the convenience of a dealership purchase might outweigh the minor cost difference.

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The **ACDelco 12643808 air charge temperature sensor** is an excellent choice for your 2011-2016 GM Silverado 3500 HD due to its **reliability, OEM compatibility, and warranty support**. It strikes a balance between quality and affordability, making it a practical option for both DIY enthusiasts and those seeking a trusted replacement part. The sensor s role in maintaining engine efficiency and preventing diagnostic issues further justifies its purchase over cheaper, lower-quality alternatives.

However, if budget is a major concern and you are comfortable with aftermarket brands, comparing prices with reputable alternatives like **Bosch or Denso** could yield slight savings without compromising performance. Always ensure you purchase from a trusted source to avoid counterfeit parts.

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- You prioritize **OEM-level quality and reliability**.

- You want **warranty coverage** and peace of mind.

- You are replacing a known faulty sensor to **prevent engine or emissions issues**.

- You are comfortable installing it yourself or have access to a mechanic for a quick replacement.

- You are looking for **minor cost savings** and are confident in the aftermarket brand s reputation.

- You have **verified the part s authenticity** through a trusted retailer (e.g., RockAuto, Amazon, or a local auto parts store with a return policy).

For most users, the **ACDelco sensor is the best all-around choice** due to its proven track record and ease of use. If you encounter any issues during installation or after purchase, contact the retailer or manufacturer to ensure your warranty rights are honored.

Details:

length : 3.09 in. Right for your vehicle and lifestyle. Specifications: height : 3.06 in. Made from high-quality materials for ultimate durability.

Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Weight lb: 0.26 lb. Features: designed to deliver trouble-free, consistent performance. Manufactured to meet or exceed strict quality requirements.

Genuine GM Parts Air Charge Temperature Sensor 12643808 by ACDelco. With many years of manufacturing experience, ACDelco is the name you can trust.

part #: 12643808 prices

• $59.00-$106.66

specifications chvyacheatercontrols:

• for models: 3500, Silverado
• for makes: Chevy
• for years: 2011-2016
• brand: Acdelco
• mpn: 12643808
• part type: Sensor
• product type: A/c Heating
• upc: 193468763362
• california prop 65 warning: Cancer And Reproductive Harm.
• fitment type: Vehicle Specific
• compatible make s : Chevrolet, Gmc
• compatible model s : Silverado 3500 Hd, Silverado 2500 Hd, Express 2500, Express 3500
• fitnote: With A/c Compressor
• product subtype: A/c Relays, Sensors Switches
• product details: Cabin Air Temperature Sensor
• series: Genuine Gm Parts
• department: Replacement

payments chvyacheatercontrols:

• credit card: Visa
• wallet: Google-pay
• other

seller chvyacheatercontrols:

• city: Port Washington, New York
• rating: 99.1%
• # reviews: 152575

general chvyacheatercontrols:

• Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
• condition: New

offer chvyacheatercontrols:

• quantity: 5
• availability: In Stock
• options: Ship-to-home
• started: March 24, 2026
• sold: 0

shipping chvyacheatercontrols:

• type: Calculated
• class: Standard
• transit: 2-6 Days
• carrier: FedEx
• cost: $19.99
• service: FedEx Ground / FedEx Home Delivery

returns chvyacheatercontrols:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

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