1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11767919094623722
  3. KARPARTS360 ALX-PAU-SI-AX355-CLA6

KARPARTS360 ALX-PAU-SI-AX355-CLA6 Ambient Air Temperature 800111129504 2500/3500 Sensor

fits model: 2500, 3500, Silverado. make: Chevy. year: 2015–2017.

Alx-pau-si-ax355-cla6 Karparts360 For Chevy Silverado 2500/3500 Hd 2015-2017 Ambient Air Temperature Sensor Black

( Brand: Karparts360 ), ( Manufacturer Part Number: ALX-PAU-SI-AX355-CLA6 ), ( Part Type: Sensor ), ( Color: Black ), ( Features: Easy Installation ), ( Item Height: 3.000 ), ( Item Length: 1.500 ), ( Item Weight: 0.0200 ), ( Item Width: 1.100 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: See Notes ), ( Manufacturer Warranty: 1 Year ), ( UPC: 800111129504 )

Review KARPARTS360 Chevy 2500/3500 Hd Ambient Air Temperature Sensor Black fits SILVERADO 2500 3500 2015–2017

The **KarParts360 ALX-PAU-SI-AX355-CLA6 Ambient Air Temperature Sensor** is a high-performance, direct-fit replacement designed specifically for the **2015 2017 Chevrolet Silverado 2500HD and 3500HD** heavy-duty trucks, ensuring optimal engine performance, fuel efficiency, and emissions compliance. Engineered to meet or exceed OEM specifications, this sensor is a critical component of the vehicle s engine management system, monitoring the temperature of the incoming air before it enters the intake manifold. By providing precise and real-time data to the powertrain control module (PCM), it enables the engine to adjust fuel delivery, ignition timing, and air-fuel ratios for peak efficiency, whether operating under extreme heat, cold, or varying atmospheric conditions. Constructed from durable materials, this sensor features a robust stainless steel housing and a high-precision thermistor element, ensuring long-term reliability and resistance to corrosion ideal for the demanding environments faced by commercial and off-road applications. Its direct-fit design eliminates the need for modifications, making installation straightforward for mechanics and DIY enthusiasts alike. Whether used in fleet vehicles, towing applications, or high-performance setups, this sensor guarantees accurate temperature readings, helping maintain engine health, reduce wear, and prevent potential malfunctions tied to incorrect air temperature data. Backed by KarParts360 s reputation for quality and compatibility, this part is a trusted solution for restoring or upgrading your Silverado s sensor system with confidence.

**Pros and Cons of buying a KarParts360 ALX-PAU-SI-AX355-CLA6 Ambient Air Temperature Sensor for 2015-2017 Chevy Silverado 2500/3500 HD**

### **Pros:**

1. **Direct Fitment** The part is specifically designed for the 2015-2017 Chevrolet Silverado 2500/3500 HD, ensuring compatibility without modifications. This reduces the risk of installation issues or incorrect sizing.

2. **OEM Quality** KarParts360 is a reputable aftermarket supplier that often sources parts from or replicates OEM (Original Equipment Manufacturer) specifications. This means the sensor should perform similarly to the factory unit, maintaining accurate ambient air temperature readings for proper engine calibration and fuel efficiency.

3. **Cost-Effective Alternative** Purchasing from KarParts360 is typically more affordable than buying a new OEM sensor directly from Chevrolet, making it a budget-friendly option for repairs or replacements.

4. **Warranty and Support** KarParts360 offers warranties on its parts, providing some level of protection against defects. Additionally, their customer service can assist with installation questions or returns if the part is faulty.

5. **Easy Availability** The part is readily available online, allowing for quick ordering and delivery, which is convenient for those who need to address an issue promptly.

6. **Compatibility with Common Issues** The ambient air temperature (AAT) sensor is a critical component for engine management systems, especially in diesel applications like the Silverado 2500/3500 HD. A faulty sensor can cause issues such as poor fuel economy, rough idling, or even check engine lights. Replacing it with a reliable part can resolve these problems.

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### **Cons:**

1. **Aftermarket Quality Concerns** While KarParts360 is a trusted brand, aftermarket parts may not always match the precision or longevity of OEM components. There is a slight risk of premature failure or inconsistent performance, though this is rare with well-reviewed suppliers.

2. **Potential Installation Challenges** If the sensor is not installed correctly (e.g., improper sealing, incorrect wiring, or failure to clear old calibration data), it may not function as intended. This could require additional troubleshooting or even a second replacement.

3. **No Physical Inspection** Buying online means you cannot physically inspect the part before purchase. While KarParts360 has a good return policy, receiving a damaged or defective unit could cause delays.

4. **Compatibility with Aftermarket Mods** If the vehicle has been modified (e.g., with performance chips, exhaust upgrades, or tuning), the new sensor may not integrate perfectly with the modified engine calibration. This could lead to further tuning adjustments being necessary.

5. **Limited Longevity Compared to OEM** OEM sensors are often built to last the lifespan of the vehicle, whereas aftermarket parts may wear out faster, especially in harsh conditions (e.g., extreme temperatures, dust, or moisture).

6. **Check Engine Light May Persist** Even after replacing the sensor, the check engine light might remain on if the issue was caused by something else (e.g., wiring problems, a faulty ECM, or a related sensor). A diagnostic scan (e.g., using OBD-II tools) may be required to clear the code.

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### **Conclusion:**

The **KarParts360 ALX-PAU-SI-AX355-CLA6 ambient air temperature sensor** is a solid choice for replacing a faulty sensor in your 2015-2017 Chevy Silverado 2500/3500 HD. It offers a **direct fit, cost savings, and reliable performance** for most drivers. However, it is an **aftermarket part**, so while it should work well, there is a slight risk of quality inconsistencies compared to an OEM unit.

For most users, the **pros outweigh the cons**, especially if budget and convenience are priorities. That said, if you prefer the absolute highest quality or have a heavily modified vehicle, an OEM replacement (if available) or a premium aftermarket brand might be worth the extra cost.

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### **Recommendation:**

- **Proceed with the purchase** if you are confident in KarParts360 s reputation and the part is within your budget. Ensure you follow the installation instructions carefully, and consider using an OBD-II scanner to clear any persistent check engine lights after replacement.

- **Verify compatibility** with any aftermarket modifications or tuning you may have done.

- **Consider an OEM replacement** only if you have access to it at a reasonable price and prioritize long-term reliability over cost savings.

- **Check reviews** from other Silverado owners who have used this part to gauge real-world performance.

Overall, this is a **good, practical choice** for most drivers needing a straightforward replacement.

Details:

Please refer to manufacturer for warranty information. Built for Durability: Made from high-quality materials, this product has been tested to ensure long-lasting performance. Part: Ambient Air Temperature Sensor. Color: Black.

Misc Notes 1: TEMP SENSOR. Connector Type: Plug In. Brand New - Sealed in a Box. KarParts360 For Chevy Silverado 2500 HD/Silverado 3500 HD 2015 2016 2017 Ambient Air Temperature Sensor Black Color Plug In Connector Blade Terminal Push On Attachment Method: Item condition: Brand New in Original Box.

All products ship in pristine and original manufacturer packaging. Contents: Sensor.

part #: alxpausiax355cla6 price

  • $22.35

specifications chvyacheatercontrols:

  • for models: 2500, 3500, Silverado
  • for makes: Chevy
  • for years: 2015-2017
  • brand: Karparts360
  • mpn: Alx-pau-si-ax355-cla6
  • part type: Sensor
  • color: Black
  • features: Easy Installation
  • item height: 3.000
  • item length: 1.500
  • item weight: 0.0200
  • item width: 1.100
  • fitment type: Direct Replacement
  • generic keywords 1: Part
  • intended use: Automobiles
  • misc fitment notes: See Notes
  • manufacturer warranty: 1 Year
  • upc: 800111129504

seller chvyacheatercontrols:

  • # reviews: 163775
  • rating: 99.7%
  • city: West Chicago, IL

offer chvyacheatercontrols:

  • options: Ship-to-home
  • quantity: 10
  • started: May 2, 2026
  • sold: 0
  • availability: In Stock

payments chvyacheatercontrols:

  • credit card: Visa
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  • wallet: Paypal

returns chvyacheatercontrols:

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

shipping chvyacheatercontrols:

  • service: Expedited
  • type: Fixed
  • cost: $0.00
  • transit: 4-9 Days
  • class: Expedited

general chvyacheatercontrols:

  • Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
  • condition: New
for models: 2500, 3500, silverado, for makes: chevy, for years: 2015-2017, part type: sensor, features: easy installation, item height: 3.000, item length: 1.500, item weight: 0.0200, item width: 1.100, fitment type: direct replacement, generic keywords 1: part, intended use: automobiles, misc fitment notes: see notes, manufacturer warranty: 1 year,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, color: black, sku: 11767919094623722,
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  • New. Offer #1 priced at $22.35 + $0.00 shipping estimate = $22.35* total. Color: Black Part: Ambient Air Temperature Sensor.FREE SHIPPING

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