1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11700011636498603
  3. STANDARD PRODUCTS 58453NJSS

STANDARD MOTOR PRODUCTS 58453NJSS Control Relay Smp A/c

fits make: Chevrolet. year: 1995–2000.

58453njss Standard Motor Products For 1995-2000 Chevrolet C3500 A/c Control Relay Smp 1996 1997 1998

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 58453NJSS ), ( Part Type: Control Motor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay ), ( Years: 1995 1996 1997 1998 1999 2000 ), ( Application: Chevrolet C3500 A/c Control Relay ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Chevrolet A/c Control Relay Smp fits C3500 1995–2000

The **Standard Motor Products 58453NJSS** is a precision-engineered **A/C Control Relay** designed exclusively for the **1995 2000 Chevrolet C3500** series trucks, ensuring seamless integration with the vehicle s climate control system. This relay serves as the critical electrical switch that activates the **air conditioning compressor clutch**, allowing the system to engage and disengage as needed for optimal temperature regulation. Crafted with high-quality materials, the **58453NJSS** features a robust **SPDT (Single Pole Double Throw)** configuration, providing reliable switching performance under the demanding conditions of a heavy-duty truck environment. Its compact yet durable design ensures a secure fit within the vehicle s under-dash or engine bay relay block, minimizing electrical noise and preventing premature wear. This relay is fully compatible with the **1996, 1997, and 1998 model years**, aligning with the specific wiring and voltage requirements of these Chevrolet trucks, including those equipped with **GM s Gen II small-block V8 engines** or other common powertrain configurations. Whether replacing a faulty original equipment relay or upgrading for enhanced reliability, the **Standard Motor Products 58453NJSS** delivers consistent performance, helping maintain a comfortable cabin environment while ensuring the A/C system operates efficiently without unnecessary strain on the vehicle s electrical system. Built to meet or exceed OEM specifications, this relay is a trusted choice for mechanics, truck enthusiasts, and fleet operators seeking dependable components for their Chevrolet C3500.

### Pros and Cons of Buying a Standard Motor 58453NJSS A/C Control Relay for a 1995-2000 Chevrolet C3500

#### **Pros:**

1. **Direct Fitment** The relay is specifically designed for the 1996, 1997, and 1998 model years of the Chevrolet C3500, ensuring compatibility with the vehicle s electrical system. This reduces the risk of installation issues or damage to other components.

2. **Reliability** Standard Motor is a well-known manufacturer of automotive electrical components, including relays, switches, and sensors. Their products are generally built to withstand the demands of heavy-duty applications, such as those found in large trucks like the C3500.

3. **Prevents A/C Failure** The A/C control relay is responsible for controlling power to the A/C compressor clutch. A faulty relay can cause the A/C system to fail to engage, leading to discomfort in hot climates. Replacing it with a new relay ensures the A/C system operates as intended.

4. **Cost-Effective Solution** Replacing a faulty relay is significantly cheaper than repairing or replacing other components in the A/C system, such as the compressor, clutch, or control module. It is a straightforward and low-cost fix.

5. **Easy Installation** Relays are typically located in the vehicle s fuse/relay box, making them accessible for DIY replacement. No specialized tools or extensive mechanical knowledge is usually required.

6. **Compatibility with Aftermarket Parts** Since the relay is part of the vehicle s original equipment (OEM) or a direct replacement, it is likely to work seamlessly with other aftermarket A/C upgrades or modifications.

7. **Warranty Coverage** Many retailers, including Standard Motor, offer warranties on their relays. This provides peace of mind in case the relay fails prematurely due to a manufacturing defect.

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#### **Cons:**

1. **Potential Counterfeit or Low-Quality Units** While Standard Motor is a reputable brand, there is a risk of purchasing a counterfeit or substandard relay, especially if buying from untrusted sellers (e.g., third-party marketplaces without authentication). Counterfeit relays may fail quickly or cause electrical issues.

2. **Misdiagnosis of the Problem** If the A/C system is not functioning due to an issue other than the relay (e.g., low refrigerant, faulty compressor clutch, or a blown fuse), replacing the relay alone may not resolve the problem. A thorough diagnosis is necessary before purchasing.

3. **Limited Lifespan** Relays, like all electrical components, have a finite lifespan. While this relay is designed for durability, it may still fail over time, especially if the vehicle is used in extreme conditions (e.g., frequent short trips, high humidity, or electrical surges).

4. **Physical Damage Risk During Installation** If the relay is not installed correctly (e.g., improperly seated, bent pins, or incorrect wiring), it can cause short circuits, fuse blows, or damage to the vehicle s electrical system. Care must be taken during installation.

5. **Compatibility with Modified Vehicles** If the C3500 has been modified with aftermarket A/C upgrades (e.g., high-capacity compressors, custom wiring, or performance cooling systems), the original relay may not be sufficient. In such cases, a relay designed for the upgraded system may be required.

6. **Availability and Lead Times** Depending on the retailer, the relay may not always be in stock, leading to delays in purchase or installation. Online retailers may have longer shipping times compared to local auto parts stores.

7. **Cost Relative to Other Fixes** While the relay itself is inexpensive, if the underlying issue is more complex (e.g., a failing A/C compressor or control module), the cost of additional repairs may outweigh the initial investment in the relay.

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### **Conclusion:**

The Standard Motor 58453NJSS A/C control relay is a practical and reliable solution for restoring proper function to the A/C system in a 1996-1998 Chevrolet C3500, provided the issue is indeed a faulty relay. Its direct fitment, ease of installation, and cost-effectiveness make it an attractive option for DIYers and professionals alike. However, purchasing from a trusted source is critical to avoid counterfeit products, and a proper diagnosis is essential to ensure the relay is the root cause of the problem.

If the A/C system continues to fail after relay replacement, further investigation into other components (e.g., compressor clutch, refrigerant levels, or electrical connections) is warranted. In cases where the vehicle has extensive modifications, consulting a professional or verifying compatibility with aftermarket parts may be necessary.

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### **Recommendation:**

1. **Verify the Problem** Before purchasing, confirm that the A/C relay is indeed the cause of the issue. Test the relay by swapping it with a known-good relay (if available) or using a multimeter to check for continuity and proper function. If unsure, consult a mechanic or use an OBD-II scanner to rule out other electrical faults.

2. **Purchase from a Trusted Source** Buy the relay from a reputable retailer such as:

- **Standard Motor s official website** or authorized distributors.

- **RockAuto, AutoZone, O Reilly Auto Parts, or local auto parts stores** with return policies and authenticity guarantees.

- Avoid unknown sellers on platforms like eBay or Amazon unless they have verified seller ratings and return options.

3. **Follow Installation Guidelines** Carefully follow the vehicle s wiring diagram or the relay s installation instructions. Ensure the relay is properly seated in its socket and that all connections are secure. Avoid forcing the relay into place, as this can damage the pins.

4. **Test the Relay After Installation** After replacing the relay, turn on the A/C system and verify that the compressor clutch engages. Listen for any unusual noises (e.g., grinding or clicking) that could indicate a failing compressor or clutch.

5. **Consider a Comprehensive A/C Check** If the A/C system continues to malfunction after relay replacement, have a professional inspect the entire system, including:

- Refrigerant levels and condition.

- Compressor clutch operation.

- Electrical connections and fuses.

- A/C control module or pressure switches.

6. **Keep a Backup Relay** If the vehicle is used frequently in hot climates, consider keeping a spare relay on hand or in the truck s spare parts kit to avoid being stranded due to A/C failure.

By following these steps, you can maximize the reliability of the Standard Motor relay and ensure it provides long-term functionality for your Chevrolet C3500.

Details:

Parts Geek - For 1995 - 2000 Chevrolet C3500 A/C Control Relay SMP 58453NJSS 1996 1997 1998: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Standard Motor Products Notes: Compressor Terminal Quantity: 4 Contents: Connector 1 Mounting Bracket Included: No Features: Built Last: Our relays feature high-quality composite housings that protect against harsh temperatures and the most demanding under-hood conditions, ensuring lasting reliability. Enhanced Wear Resistance: Featuring brass or copper contacts where specified, our relays offer extended wear resistance, ensuring reliability even in high-stress applications. 12 Month Warranty Fitment Notes: Vehicle: 1995, 1997 - 2000 Chevrolet C3500. Renowned Global Manufacturer: As a global manufacturer of original equipment ignition Products, we maintain complete quality control throughout the manufacturing process from component to finished product.

Fitment Notes: with 4 blade terminals, Vehicle: 1996 Chevrolet C3500.

specifications chvyacheatercontrols:

  • for makes: Chevrolet
  • for years: 1995-2000
  • brand: Standard Motor Products
  • mpn: 58453njss
  • part type: Control Motor
  • manufacturer warranty: 12 Month Warranty
  • notes: A/c Compressor Control Relay
  • years: 1995 1996 1997 1998 1999 2000
  • application: Chevrolet C3500 A/c Control Relay
  • cs-sku: 400

general chvyacheatercontrols:

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

shipping chvyacheatercontrols:

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

returns chvyacheatercontrols:

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

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  • city: Miami, Florida
  • rating: 98.8%
  • # reviews: 329637

offer chvyacheatercontrols:

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

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for makes: chevrolet, for years: 1995-2000, part type: control motor, manufacturer warranty: 12 month warranty, notes: a/c compressor control relay, years: 1995 1996 1997 1998 1999 2000, application: chevrolet c3500 a/c control relay, cs-sku: 400,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 11700011636498603,
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