AC DELCO 71455TKKT Control Relay 4500 A/c

( Brand: Ac Delco ), ( Manufacturer Part Number: 71455TKKT ), ( Part Type: Control ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay New; Black; 35amp; 5 Terminal . ), ( Years: 2013 2014 2015 2016 ), ( Application: Chevrolet Express 4500 A/c Control Relay ), ( Product Name 2: A/c Compressor Control Relay ), ( Cs-sku: 400 )

Review AC DELCO Chevrolet Express 4500 A/c Control Relay fits 2013–2016

The **AC Delco 71455TKKT** is a high-performance, direct-fit **A/C Control Relay** meticulously engineered to restore optimal climate control functionality to **2013-2016 Chevrolet 4500 HD Series** trucks equipped with the **4500 Series Cab** and **Duramax 6.6L diesel engine**. This precision-crafted relay is a critical component of the vehicle s air conditioning system, ensuring seamless communication between the climate control module and the A/C compressor clutch, allowing for smooth engagement and disengagement of the compressor when the system is activated. Designed with **OEM-level reliability**, this relay features a **robust spring-loaded mechanism** and **high-quality copper contacts** that resist corrosion, arcing, and wear, guaranteeing consistent performance even under demanding operating conditions. Built to meet or exceed **General Motors original equipment specifications**, the **71455TKKT** is fully compatible with the truck s wiring harness and mounting bracket, ensuring a **plug-and-play installation** that eliminates the need for additional modifications. Whether addressing a faulty relay that has caused intermittent A/C failure, a blown fuse, or a complete system shutdown, this relay provides a **durable, long-lasting solution** that helps maintain a comfortable cabin environment while protecting the A/C compressor from unnecessary strain. Ideal for both **DIY mechanics** and professional technicians, the **AC Delco 71455TKKT** combines **superior craftsmanship** with **unmatched reliability**, making it an essential replacement part for restoring full functionality to your Chevrolet s climate control system.

### **Pros and Cons of buying a AC Delco 71455TKKT Relay for a 2013 2016 Chevrolet 4500 (2014 Model Year)**

1. **OEM Quality and Compatibility** AC Delco is a trusted brand under General Motors, meaning this relay is designed to meet or exceed factory specifications for your Chevrolet 4500. It should fit seamlessly without requiring modifications.

2. **Reliability** As an OEM or high-quality aftermarket part, this relay is built to last, reducing the risk of premature failure compared to cheaper, no-name alternatives.

3. **Easy Installation** Relays are simple to replace, typically requiring only basic tools (screwdriver, wire connectors if needed). The 2014 model year should have the same relay location as other years in the range (2013 2016).

4. **Warranty Coverage** AC Delco parts often come with a warranty (typically 1 2 years), providing peace of mind in case of defects.

5. **Prevents Further Damage** A faulty A/C control relay can cause intermittent or complete loss of air conditioning, leading to compressor strain or electrical issues. Replacing it early can avoid more costly repairs.

6. **Direct Replacement** The part number (71455TKKT) is specific to your vehicle s application, reducing the chance of ordering the wrong relay.

1. **Cost** While not excessively expensive, it may be more than a generic or budget relay (typically $15 $30 for the part alone). If labor is required, costs add up.

2. **Potential Counterfeit Risks** Some online sellers may offer fake or low-quality AC Delco-branded parts. Buying from authorized dealers (e.g., GM parts stores, RockAuto, or reputable online retailers) minimizes this risk.

3. **Misdiagnosis Risk** If the relay isn t the actual issue (e.g., a blown fuse, wiring problem, or faulty compressor clutch), replacing it alone won t fix the problem. Always test the relay with a multimeter or swap it with a known-good one before concluding it s faulty.

4. **Limited Availability** While widely stocked, some local auto parts stores may not carry it, requiring an online purchase with shipping delays.

5. **Skill Dependency** If you re not comfortable with basic electrical work, improper handling could damage wiring or connectors.

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### **Conclusion**

The **AC Delco 71455TKKT relay is a strong choice** for your 2013 2016 Chevrolet 4500 due to its OEM quality, reliability, and compatibility. It s a straightforward fix for A/C control issues and offers long-term durability. However, it s essential to:

- **Verify the relay is indeed the problem** before purchasing (test with a multimeter or swap relays).

- **Buy from a trusted source** to avoid counterfeit parts.

- **Consider labor costs** if you re not confident in DIY installation.

If your A/C has been acting up (e.g., compressor not engaging, intermittent cooling, or error codes related to the relay), replacing this part is a **cost-effective preventive measure** that can restore proper function without major repairs.

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- You ve confirmed the relay is faulty (or suspect it is).

- You re buying from a reputable seller (e.g., RockAuto, GM parts store, or a well-reviewed online retailer).

- You re prepared to install it yourself or have a mechanic do it (costs $50 $100 for labor if needed).

- You haven t diagnosed the issue properly (another component, like a fuse or compressor clutch, could be at fault).

- You re unsure about the part s authenticity (stick to verified sellers).

For long-term reliability, AC Delco is a safe bet, but always cross-check with your vehicle s wiring diagram or service manual to ensure correct installation.

Details:

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials technologies.

part #: 71455tkkt price

• $21.12

specifications chvyacheatercontrols:

• for makes: Chevrolet
• for years: 2013-2016
• brand: Ac Delco
• mpn: 71455tkkt
• part type: Control
• manufacturer warranty: 12 Month Warranty
• notes: A/c Compressor Control Relay New; Black; 35amp; 5 Terminal .
• years: 2013 2014 2015 2016
• application: Chevrolet Express 4500 A/c Control Relay
• product name 2: A/c Compressor Control Relay
• cs-sku: 400

payments chvyAcheatercontrols:

• wallet: Apple-pay
• other
• credit card: Diners-club

general chvyAcheatercontrols:

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

seller chvyAcheatercontrols:

• # reviews: 328429
• rating: 98.8%
• city: Mattapoisett, MassAchusetts

offer chvyAcheatercontrols:

• started: April 15, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

shipping chvyAcheatercontrols:

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

returns chvyAcheatercontrols:

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

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