1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11716028317778604
  3. UNITED AUTOMOTIVE 83975KHKC

UNITED AUTOMOTIVE 83975KHKC Control Relay A/c

fits model: 3500, Silverado. make: Chevrolet. year: 2007.

83975khkc United Automotive For Chevrolet Silverado 3500 Hd A/c Control Relay

( Brand: United Automotive ), ( Manufacturer Part Number: 83975KHKC ), ( Part Type: Control ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay With 5 Blade Terminals ), ( Application: Chevrolet Silverado 3500 Hd A/c Control Relay ), ( Product Name 2: A/c Compressor Control Relay ), ( Cs-sku: 400 )

Review UNITED AUTOMOTIVE Chevrolet Hd A/c Control Relay fits SILVERADO 3500 2007

The **United 83975KHKC** is a high-performance, direct-fit **Automotive A/C Control Relay** meticulously engineered to ensure seamless operation and optimal cooling efficiency in **Chevrolet Silverado 3500** models equipped with advanced climate control systems. Designed with precision and built to exacting automotive standards, this relay serves as the critical electrical interface between the vehicle s air conditioning system and its control module, enabling smooth activation of the compressor clutch while preventing electrical surges that could damage sensitive components. Constructed from high-grade **copper-alloy contacts** and reinforced with a durable **plastic housing**, the relay is engineered to withstand the demanding conditions of heavy-duty truck applications, including extreme temperatures, vibration, and prolonged use. Its **low-resistance design** minimizes power loss during operation, ensuring consistent and reliable performance even under high-demand conditions, such as extended highway driving or towing heavy loads. The **polarized terminal configuration** guarantees proper wiring alignment, reducing the risk of incorrect installation a common issue that can lead to system malfunctions or electrical shorts. Whether replacing a failed factory relay or upgrading for enhanced durability, this **OEM-quality replacement** delivers the reliability and performance expected in professional-grade automotive applications, helping maintain the Silverado 3500 s cooling system in peak condition for years of trouble-free operation.

### Pros and Cons of buying a United 83975KHKC A/C Control Relay for a Chevrolet Silverado 3500

#### **Pros:**

1. **Compatibility** This relay is specifically designed for the Chevrolet Silverado 3500, ensuring a direct fit without modification. It is engineered to match the vehicle s electrical system, reducing the risk of compatibility issues.

2. **Quality and Reliability** United Electronics is a well-known brand in the automotive aftermarket, known for producing durable and high-quality components. Their relays are often built to withstand the demands of heavy-duty applications, which aligns well with the Silverado 3500 s performance needs.

3. **Easy Installation** Relays are straightforward to replace, typically requiring minimal tools and no wiring adjustments. The United relay comes pre-wired for its function, making the installation process quick and hassle-free for most DIYers or mechanics.

4. **Cost-Effective Solution** Compared to OEM (Original Equipment Manufacturer) parts, aftermarket relays like this one are usually more affordable. This makes it an attractive option for budget-conscious buyers who still want reliable performance.

5. **Warranty and Support** United Electronics often provides warranties on their products, offering some level of protection against defects. Additionally, they have customer support channels for troubleshooting or replacements if issues arise.

6. **Preventative Maintenance** Relays can fail over time due to wear, electrical surges, or environmental factors. Replacing a faulty relay proactively can prevent larger electrical issues, such as a non-functional A/C system or other related malfunctions.

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#### **Cons:**

1. **Aftermarket vs. OEM Quality** While United is a reputable brand, some customers may prefer OEM parts for their perceived higher quality and longer lifespan. OEM relays are designed and tested by the manufacturer, which could provide peace of mind for those prioritizing longevity.

2. **Potential Counterfeit Concerns** The automotive aftermarket can sometimes have counterfeit or low-quality knockoffs masquerading as genuine United parts. Purchasing from unauthorized sellers or untrusted retailers increases the risk of receiving a subpar or fake product.

3. **Limited Customization** Unlike OEM parts, aftermarket relays may not offer additional features or customization options. If you require specific electrical specifications or modifications, an OEM relay might be the better choice.

4. **Availability of OEM Alternatives** If you prefer OEM parts, the United relay may not be the only option. OEM relays (e.g., from GM) could be available through dealerships or authorized suppliers, though they may come at a higher price.

5. **Installation Risks for Untrained Individuals** While relays are simple to replace, improper handling or incorrect installation (e.g., reversed wiring) can damage the relay or other components. Those without basic electrical knowledge should exercise caution or seek professional help.

6. **Price Variability** Prices for aftermarket relays can vary significantly depending on the seller. Cheaper options might compromise on quality, while more expensive ones may not necessarily offer superior performance. Researching and comparing prices from trusted sources is advisable.

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### **Conclusion:**

The United 83975KHKC A/C control relay for the Chevrolet Silverado 3500 is a practical and cost-effective choice for most buyers. Its compatibility, ease of installation, and reputation for reliability make it a strong contender for those seeking an aftermarket solution. However, if budget is not a concern and you prioritize OEM quality or have specific needs, an original GM relay might be preferable. For the average consumer looking for a balance of affordability and performance, the United relay is a solid recommendation, provided it is purchased from a reputable seller to avoid counterfeit products.

### **Recommendation:**

- **Buy from a trusted source** such as Amazon, RockAuto, or a well-reviewed automotive parts retailer to ensure authenticity and quality.

- **Verify compatibility** with your specific Silverado 3500 model year and trim to confirm the relay s suitability.

- **Follow installation guidelines carefully** to avoid damaging the relay or the vehicle s electrical system.

- **Consider OEM if available** if you prefer the highest quality or have concerns about aftermarket reliability.

- **Monitor performance post-installation** to ensure the relay functions as expected and replace it promptly if issues arise.

For most users, the United relay offers a reliable and budget-friendly option for maintaining or restoring their Silverado 3500 s A/C control system.

Details:

12 Month Warranty Fitment Notes: Vehicle: 2007 Chevrolet Silverado 3500 HD.

part #: 83975khkc price

  • $19.58

specifications chvyacheatercontrols:

  • for models: 3500, Silverado
  • for makes: Chevrolet
  • for years: 2007
  • brand: United Automotive
  • mpn: 83975khkc
  • part type: Control
  • manufacturer warranty: 12 Month Warranty
  • notes: A/c Compressor Control Relay With 5 Blade Terminals
  • application: Chevrolet Silverado 3500 Hd A/c Control Relay
  • product name 2: A/c Compressor Control Relay
  • cs-sku: 400

returns chvyacheatercontrols:

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

shipping chvyacheatercontrols:

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

offer chvyacheatercontrols:

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

general chvyacheatercontrols:

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

payments chvyacheatercontrols:

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

seller chvyacheatercontrols:

  • city: North Attleboro, Massachusetts
  • # reviews: 329756
  • rating: 98.8%
for models: 3500, silverado, for makes: chevrolet, for years: 2007, part type: control, manufacturer warranty: 12 month warranty, notes: a/c compressor control relay with 5 blade terminals, application: chevrolet silverado 3500 hd a/c control relay, product name 2: a/c compressor control relay, cs-sku: 400,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 11716028317778604,
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