1. Chevrolet Climate Controls & Control Units To Buy
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  3. WELLS 87328KNPT

WELLS 87328KNPT Control Relay A/c

fits model: Corvette. make: Chevrolet. year: 1968–1979.

87328knpt Wells For 1973-1976 Chevrolet Corvette A/c Control Relay 1971 1969

( Brand: Wells ), ( Manufacturer Part Number: 87328KNPT ), ( Part Type: Control ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay For Mating Connectors Use 1p10. ), ( Years: 1971 1969 1979 1978 1968 1973 1974 1975 1976 ), ( Application: Chevrolet Corvette A/c Control Relay ), ( Product Name 2: A/c Compressor Control Relay ), ( Cs-sku: 400 )

Review WELLS Chevrolet A/c Control Relay fits CORVETTE 1968–1979

The **Wells 87328KNPT** is a meticulously engineered, high-performance **Air Conditioning Control Relay** specifically designed to seamlessly integrate with the **1969 1976 Chevrolet Corvette** lineup, including the rare and coveted **1971 and 1973 models**. Crafted with precision for automotive enthusiasts and restoration specialists, this relay serves as a critical component in the Corvette s climate control system, ensuring reliable operation of the **air conditioning compressor clutch**, which is essential for maintaining optimal cabin comfort during both leisurely drives and high-performance excursions. Built to exacting standards, the **87328KNPT** features a robust **spade terminal design** for secure and corrosion-resistant electrical connections, a hallmark of Wells commitment to durability and longevity. Its **compact yet sturdy construction** allows for easy installation within the Corvette s tight electrical bay, where space is often at a premium, while its **high-current capacity** ensures smooth engagement and disengagement of the compressor clutch without undue strain on the vehicle s electrical system. Whether restoring a classic Corvette to its original glory or upgrading an existing system for enhanced reliability, this relay delivers the precision and performance demanded by discerning owners of these legendary muscle cars. Its compatibility with the **1973 1976 models** including the iconic **Sting Ray and Bel Air** variants makes it an indispensable part of any serious restoration or modification project, bridging the gap between vintage engineering and modern reliability.

The **Wells 87328KNPT** is a replacement air conditioning control relay for 1969 1976 Chevrolet Corvettes, including the 1971 1976 models you mentioned. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Wells 87328KNPT Relay**

1. **Direct Fitment for Corvettes**

The relay is specifically designed for 1969 1976 Corvettes, ensuring compatibility with the wiring harness and mounting points. This eliminates the need for modifications or adapters, making installation straightforward.

2. **High-Quality Construction**

Wells is a reputable brand known for manufacturing reliable electrical components, including relays. The 87328KNPT is built to handle the electrical demands of a Corvette s A/C system, reducing the risk of failure due to poor materials.

3. **Compatibility with Aftermarket A/C Systems**

If you ve upgraded your Corvette s A/C system (e.g., with a larger compressor or aftermarket controls), this relay is likely to work seamlessly, as it s designed to interface with the stock and many aftermarket setups.

4. **Easy to Install**

The relay is a direct drop-in replacement, meaning you can swap it out in minutes without soldering or complex wiring. This is ideal for DIYers or those without extensive electrical experience.

5. **Cost-Effective**

Compared to some aftermarket or OEM replacements, the Wells relay is reasonably priced, offering good value for its purpose. It s often cheaper than buying an entire A/C control module if the relay is the only faulty component.

6. **Widely Available**

The relay is stocked by many auto parts retailers (both online and in-store), ensuring easy access for purchase and replacement.

7. **Minimal Maintenance**

Once installed, the relay requires no maintenance. It s a passive component that only engages when the A/C system is activated, so wear is minimal.

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### **Cons of the Wells 87328KNPT Relay**

1. **Potential for Counterfeit or Low-Quality Units**

While Wells is a trusted brand, some online sellers may carry counterfeit or refurbished units that don t meet the original specifications. Always purchase from a reputable retailer (e.g., RockAuto, Summit Racing, or a local auto parts store with a return policy) to avoid this issue.

2. **Limited Longevity in Harsh Conditions**

If your Corvette is driven in extreme environments (e.g., high humidity, frequent A/C use, or electrical system issues like voltage spikes), the relay may wear out faster than expected. However, this is true of most relays and not specific to the Wells model.

3. **No Built-In Diagnostics**

The relay itself doesn t provide diagnostic feedback if it fails. You ll need a multimeter or basic troubleshooting skills to identify whether the relay is the root cause of A/C issues (e.g., no compressor engagement, intermittent A/C operation).

4. **May Not Solve Underlying Electrical Issues**

If your Corvette s A/C system has broader electrical problems (e.g., faulty wiring, a bad compressor clutch, or a failing A/C control module), replacing just the relay won t fix those issues. The symptom (e.g., no A/C) may persist or return.

5. **Physical Wear Over Time**

Relays have a finite number of mechanical cycles (e.g., opening and closing contacts). While this is rarely a concern for a relay like the 87328KNPT, prolonged use could eventually lead to contact corrosion or failure, though this is uncommon in modern relays.

6. **Compatibility with Modified Systems**

If you ve heavily modified your Corvette s A/C system (e.g., with a custom gauge cluster or non-standard wiring), the Wells relay may not fit perfectly or could require additional adapters. Always verify compatibility with your specific setup.

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### **Conclusion**

The **Wells 87328KNPT** is a solid, direct-fit replacement relay for the A/C control system in 1969 1976 Chevrolet Corvettes. It offers reliability, ease of installation, and compatibility with both stock and many aftermarket configurations. However, it s not a universal fix it addresses only the relay itself, not broader electrical or mechanical issues in the A/C system.

The biggest risks stem from purchasing a counterfeit unit or overlooking other potential causes of A/C failure. If you re certain the relay is the faulty component (e.g., you ve tested it with a multimeter or replaced it as part of a known issue), this is a practical and cost-effective solution.

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### **Recommendation**

1. **Verify the Relay is the Problem**

Before purchasing, confirm that the relay is indeed the cause of your A/C issues. Use a multimeter to test the relay s continuity and operation. If you re unsure, consult a Corvette-specific forum (e.g., CorvetteForum, ChevyForum) or an auto electrician.

2. **Buy from a Trusted Source**

Purchase the **Wells 87328KNPT** from a reputable retailer like:

- RockAuto (www.rockauto.com)

- Summit Racing (www.summitracing.com)

- Local auto parts stores with return policies (e.g., AutoZone, NAPA, O Reilly)

Avoid unknown sellers on platforms like eBay or Amazon unless they have verified reviews and return guarantees.

3. **Install Properly**

Follow the installation instructions carefully, ensuring the relay is seated correctly and the wiring connections are secure. If you re uncomfortable with electrical work, consult a professional.

4. **Consider a Test Drive After Replacement**

After installing the new relay, test the A/C system thoroughly. If the issue persists, investigate other components (e.g., compressor clutch, pressure switches, fuses, or the A/C control module).

5. **Keep a Backup Relay**

If your Corvette s A/C system is critical to your daily driving, consider keeping a spare relay on hand or purchasing a second one as a backup.

6. **Monitor Long-Term Performance**

While the Wells relay is durable, monitor its performance over time. If you notice intermittent A/C operation or other electrical issues, address them promptly to avoid further damage.

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### **Final Verdict**

For most owners experiencing A/C relay-related issues in their 1969 1976 Corvette, the **Wells 87328KNPT** is a **highly recommended replacement**. It s a straightforward, cost-effective solution that aligns with the vehicle s specifications. However, always ensure you re addressing the root cause of the problem and purchasing from a reliable source to avoid disappointment.

Details:

Parts Geek - For 1973-1976 Chevrolet Corvette A/C Control Relay Wells 87328KNPT 1971 1969: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: Compressor Mating Connectors Use 1P1010 and 1P1083; with 5 Terminal Mounting Bracket Included: Yes 12 Month Warranty Vehicle.

part #: 87328knpt price

  • $27.52

specifications chvyacheatercontrols:

  • for models: Corvette
  • for makes: Chevrolet
  • for years: 1968-1979
  • brand: Wells
  • mpn: 87328knpt
  • part type: Control
  • manufacturer warranty: 12 Month Warranty
  • notes: A/c Compressor Control Relay For Mating Connectors Use 1p10.
  • years: 1971 1969 1979 1978 1968 1973 1974 1975 1976
  • application: Chevrolet Corvette A/c Control Relay
  • product name 2: A/c Compressor Control Relay
  • cs-sku: 400

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  • type: Fixed
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  • transit: 3-7 Days
  • class: Standard

general chvyacheatercontrols:

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

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offer chvyacheatercontrols:

  • started: April 15, 2026
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  • quantity: 1
for models: corvette, for makes: chevrolet, for years: 1968-1979, part type: control, manufacturer warranty: 12 month warranty, notes: a/c compressor control relay for mating connectors use 1p10., years: 1971 1969 1979 1978 1968 1973 1974 1975 1976, application: chevrolet corvette 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: 11617788838348793,
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  • New. Offer #1 priced at $27.52 + $0.00 shipping estimate = $27.52* total. Mounting Bracket Included: Yes. 1973-1976 Chevrolet Corvette.FREE SHIPPING

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