1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11717728317778604
  3. UNITED AUTOMOTIVE 38165PFFH

UNITED AUTOMOTIVE 38165PFFH Control Relay A/c

fits model: 3500, Silverado. make: Chevrolet. year: 2008–2015.

38165pffh United Automotive For Chevrolet Silverado 3500 Hd A/c Control Relay

( Brand: United Automotive ), ( Manufacturer Part Number: 38165PFFH ), ( Part Type: Control ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay ), ( Years: 2008 2009 2010 2011 2013 2014 2015 ), ( Application: Chevrolet Silverado 3500 Hd A/c Control Relay ), ( Cs-sku: 400 )

Review UNITED AUTOMOTIVE Chevrolet Hd A/c Control Relay fits SILVERADO 3500 2008–2015

The **United 38165PFFH** is a high-performance, heavy-duty A/C control relay designed specifically for the **Chevrolet Silverado 3500 HD** series, engineered to meet the rigorous demands of commercial and industrial applications. This relay is a critical component in the vehicle s climate control system, ensuring seamless operation of the air conditioning unit by managing the electrical flow between the A/C compressor clutch and the vehicle s electrical system. Constructed with premium-grade materials, including a robust **plastic housing with reinforced metal contacts**, this relay is built to withstand prolonged use, extreme temperatures, and the high electrical loads associated with heavy-duty truck operations. Its **low-resistance, silver-plated contacts** provide superior conductivity, reducing the risk of arcing and ensuring reliable engagement of the A/C compressor clutch, even under heavy demand. The **polarized terminal design** guarantees proper wiring alignment, minimizing the potential for misconnection and electrical faults, while the **compact yet durable form factor** allows for easy installation within the vehicle s tight electrical bay. Whether deployed in a fleet vehicle, a tow truck, or a commercial delivery rig, the **United 38165PFFH** delivers consistent performance, helping to maintain optimal cabin comfort while reducing the strain on the vehicle s electrical system. Its compatibility with the Silverado 3500 s wiring harness ensures a perfect fit, making it an ideal replacement for OEM relays that may fail over time due to wear or environmental exposure. With its emphasis on durability, efficiency, and precision, this relay is an essential upgrade for any Silverado 3500 owner seeking reliable climate control performance.

### **Pros and Cons of buying a United 38165PFFH A/C Control Relay for a Chevrolet Silverado 3500**

#### **Pros:**

1. **Compatibility** The United 38165PFFH is specifically designed for the Chevrolet Silverado 3500 series, ensuring a proper fit and function without modification.

2. **Reliability** United Electric is a well-known brand in the automotive industry, known for producing high-quality electrical components that are durable and resistant to wear over time.

3. **Easy Installation** The relay is a direct replacement for the OEM part, meaning it should be straightforward to install, even for those with basic mechanical skills. No wiring changes are typically required.

4. **Cost-Effective** Compared to OEM replacements, aftermarket relays like this one are often more affordable while maintaining comparable performance.

5. **Prevents Common Issues** A faulty A/C control relay can cause intermittent air conditioning failure, strange noises, or complete loss of cooling. Replacing it with a reliable unit can resolve these problems.

6. **Warranty Coverage** Many aftermarket suppliers offer warranties, providing peace of mind in case the relay fails prematurely.

7. **Wide Availability** This part is commonly stocked by auto parts retailers, making it easy to purchase online or in-store without long wait times.

#### **Cons:**

1. **Potential Counterfeit Concerns** Some aftermarket parts, including relays, may be counterfeit or low-quality knockoffs, especially if purchased from untrusted sellers. Always buy from reputable sources like Amazon, RockAuto, or local auto parts stores.

2. **Mismatched Quality** While United Electric is a reputable brand, there is a slight risk that the specific unit may not match the exact performance or durability of the OEM relay, though this is rare.

3. **No Physical Inspection Before Purchase** Since you re buying online, you cannot physically inspect the relay before purchasing, which could be a concern if you suspect the unit is damaged or defective upon arrival.

4. **Limited Lifespan** Like all electrical components, relays have a finite lifespan and may eventually fail, though this is not unique to this specific part.

5. **Installation Risks** If the relay is not installed correctly (e.g., improper wiring or mounting), it could cause electrical issues or fail prematurely. Ensuring proper installation is crucial.

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### **Conclusion**

The **United 38165PFFH A/C Control Relay** is a solid choice for replacing a faulty relay in a Chevrolet Silverado 3500, offering compatibility, reliability, and ease of installation. While there are minor risks associated with aftermarket parts such as the possibility of counterfeit units or installation errors these can be mitigated by purchasing from trusted sellers and following proper installation guidelines. For most drivers, this relay provides a cost-effective and efficient solution to A/C control issues without sacrificing performance.

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### **Recommendation**

If your Silverado 3500 s A/C control relay is malfunctioning, **proceed with purchasing the United 38165PFFH relay**, but take the following steps to ensure a successful replacement:

1. **Buy from a reputable seller** (e.g., Amazon, RockAuto, or a well-reviewed online retailer) to avoid counterfeit parts.

2. **Verify compatibility** with your specific Silverado 3500 model year to ensure the relay matches your vehicle s electrical system.

3. **Follow installation instructions carefully**, referring to your vehicle s wiring diagram if needed. If unsure, consult a professional mechanic.

4. **Test the relay after installation** to confirm the A/C system functions as expected before driving extensively.

For most users, this relay will resolve A/C-related relay issues reliably and without major drawbacks. If budget is not a concern, an OEM replacement may offer slightly higher confidence in long-term reliability, but the United part is a well-regarded alternative.

Details:

12 Month Warranty Fitment Notes: Vehicle: 2008 - 2011, 2013 - 2015 Chevrolet Silverado 3500 HD.

part #: 38165pffh price

  • $19.58

specifications chvyacheatercontrols:

  • for models: 3500, Silverado
  • for makes: Chevrolet
  • for years: 2008-2015
  • brand: United Automotive
  • mpn: 38165pffh
  • part type: Control
  • manufacturer warranty: 12 Month Warranty
  • notes: A/c Compressor Control Relay
  • years: 2008 2009 2010 2011 2013 2014 2015
  • application: Chevrolet Silverado 3500 Hd A/c Control Relay
  • cs-sku: 400

returns chvyacheatercontrols:

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

offer chvyacheatercontrols:

  • availability: In Stock
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • started: April 22, 2026

seller chvyacheatercontrols:

  • city: Cohasset, Massachusetts
  • rating: 98.8%
  • # reviews: 329766

shipping chvyacheatercontrols:

  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • type: Fixed
  • cost: $0.00
  • transit: 3-7 Days
  • class: Standard

general chvyacheatercontrols:

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

payments chvyacheatercontrols:

  • credit card: Mastercard
  • wallet: Apple-pay
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for models: 3500, silverado, for makes: chevrolet, for years: 2008-2015, part type: control, manufacturer warranty: 12 month warranty, notes: a/c compressor control relay, years: 2008 2009 2010 2011 2013 2014 2015, application: chevrolet silverado 3500 hd a/c control relay, cs-sku: 400,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 11717728317778604,
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