STANDARD MOTOR PRODUCTS 56214SMCC Control Relay Smp A/c

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 56214SMCC ), ( Part Type: Control Motor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay ), ( Years: 2004 2006 2005 2007 2003 ), ( Application: Nissan Xterra A/c Control Relay ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Nissan A/c Control Relay Smp fits XTERRA 2003–2007

The **Standard Motor Products 56214SMCC** is a high-performance, direct-replacement **A/C Control Relay** meticulously engineered to restore optimal climate control functionality to your **2003-2007 Nissan XTerra**, including models from **2004, 2005, and 2006**. Designed with precision and built to exacting standards, this relay replaces the factory unit with a robust, long-lasting alternative that ensures seamless operation of your vehicle s air conditioning system. Crafted from high-quality materials, including a durable **plastic housing** and **premium-grade contacts**, this relay is engineered to withstand repeated switching cycles without degradation, preventing common issues like intermittent A/C failure, erratic compressor engagement, or complete system shutdowns. The **56214SMCC** features a **standard 5-pin configuration**, matching the original equipment relay pinout, ensuring a perfect fit and immediate compatibility with your XTerra s wiring harness. Its **low-resistance contacts** guarantee reliable electrical flow, reducing the risk of arcing or overheating, while its **compact yet sturdy design** maintains the same physical footprint as the OEM part, allowing for a straightforward installation without the need for modifications. Whether your vehicle s A/C system has been experiencing **random shutdowns, delayed compressor activation, or complete failure**, this relay provides a cost-effective solution to restore smooth, dependable performance. Ideal for both professional mechanics and DIY enthusiasts, the **Standard Motor Products 56214SMCC** is a trusted choice for drivers seeking a dependable replacement that exceeds the durability of the original component, ensuring your Nissan XTerra s cabin remains cool and comfortable during every drive.

Buying a replacement **Standard Motor 56214SMCC A/C Control Relay** (or equivalent part for the 2003 2007 Nissan Xterra) can be a practical solution for fixing an air conditioning system that fails to engage or cycles improperly. Below is a detailed breakdown of the pros and cons of this specific part, followed by a conclusion and recommendation.

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### **Pros of buying a Standard Motor 56214SMCC A/C Control Relay**

1. **Direct Fitment and Compatibility**

The Standard Motor relay is designed as an OEM replacement for the A/C control relay in the 2003 2007 Nissan Xterra, ensuring it will physically and electrically fit without modification. This eliminates the need for customization or additional wiring adjustments.

2. **Reliability and Quality**

Standard Motor is a reputable manufacturer known for producing high-quality automotive relays. Their parts are built to withstand the electrical demands of an A/C system, reducing the risk of premature failure due to poor contacts or overheating.

3. **Warranty Coverage**

Standard Motor typically offers a warranty (often 1 2 years) on their relays, providing peace of mind in case the part fails shortly after installation. This is more reliable than aftermarket parts with no warranty.

4. **Ease of Installation**

Relays are simple to replace no soldering or complex tools are required. Most owners can swap it out in under 30 minutes, even without mechanical experience. The Nissan Xterra s relay is usually located in the fuse/relay box under the dashboard or in the engine bay, depending on the model year.

5. **Prevents Further Damage**

A faulty A/C relay can cause the compressor to engage intermittently or not at all, leading to unnecessary strain on the A/C clutch, condenser, or compressor itself. Replacing the relay early can prevent costly damage to other components.

6. **Cost-Effective Fix**

Compared to the potential cost of repairing or replacing a damaged A/C compressor or clutch, a relay replacement is a low-cost solution (typically $15 $30 for the part). Labor costs are minimal if doing it yourself.

7. **Universal Compatibility**

While this relay is specific to the Nissan Xterra, it may also fit other vehicles with identical relay specifications (e.g., some Infiniti models or other Nissan SUVs). This can be useful if you have spare parts on hand for multiple vehicles.

8. **No Need for Professional Diagnosis**

If the A/C system fails to turn on or cycles erratically, the relay is often the first suspect. Replacing it is a straightforward troubleshooting step before moving on to more complex diagnostics (e.g., checking the A/C clutch, pressure switch, or condenser fan).

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### **Cons of buying a Standard Motor 56214SMCC A/C Control Relay**

1. **Potential Counterfeit or Low-Quality Alternatives**

While Standard Motor is a trusted brand, counterfeit or mislabeled parts can sometimes slip into the market, especially when purchasing from third-party sellers (e.g., eBay, Amazon, or unverified online stores). These fakes may fail prematurely or not function at all. Always buy from authorized dealers or reputable suppliers like RockAuto, AutoZone, or Nissan dealerships.

2. **Misdiagnosis Risk**

If the A/C system has issues unrelated to the relay (e.g., low refrigerant, faulty compressor clutch, or a blown fuse), replacing the relay alone may not solve the problem. This could lead to frustration and repeated trips to the auto parts store. A thorough diagnosis (e.g., checking for proper voltage at the relay pins) is advisable before purchase.

3. **Limited Lifespan**

Relays are not designed to fail frequently, but they can wear out over time due to electrical arcing, voltage spikes, or environmental factors (e.g., moisture in the relay box). While Standard Motor s relay is durable, it may still fail if the vehicle s electrical system is unstable (e.g., due to a failing alternator or corroded wiring).

4. **No Guarantee of Fixing All A/C Issues**

The A/C relay controls the engagement of the A/C compressor clutch. If the problem is not the relay but another component (e.g., the clutch solenoid, pressure switch, or low refrigerant), replacing the relay will not resolve the issue. This requires additional diagnostics.

5. **Physical Accessibility Challenges**

Depending on the model year, the relay may be located in a tight or less accessible area (e.g., behind the dashboard or near the firewall). Some owners may find it difficult to reach without removing panels or using a flashlight. This is not a technical challenge but can be inconvenient.

6. **Possible Overkill for Minor Issues**

If the A/C system has intermittent issues caused by something like a loose wire or a failing fuse, replacing the relay might not be necessary. In such cases, a cheaper or simpler fix (e.g., tightening a connection) could resolve the problem without the cost of a new relay.

7. **Environmental Factors**

If the relay box is exposed to moisture, dust, or extreme temperatures, the relay s performance could degrade over time. Ensuring the relay box is clean and dry can mitigate this, but it s something to consider if the vehicle is used in harsh conditions.

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### **Conclusion**

The **Standard Motor 56214SMCC A/C Control Relay** is a solid, reliable choice for replacing a faulty relay in a 2003 2007 Nissan Xterra. It offers direct fitment, quality construction, and ease of installation, making it a practical solution for common A/C engagement issues. The part is cost-effective compared to larger A/C repairs and comes with a warranty, adding to its appeal.

However, it is not a universal fix it must be confirmed that the relay is indeed the source of the problem. Misdiagnosis or purchasing a counterfeit part can lead to wasted time and money. Additionally, if the A/C system has underlying issues (e.g., low refrigerant, clutch failure), the relay replacement will not address those.

For most owners experiencing A/C failure or erratic cycling, this relay is a **highly recommended** first step in troubleshooting and repair. It strikes a balance between cost, reliability, and ease of use, making it a preferable option over aftermarket or unknown-brand alternatives.

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### **Recommendation**

1. **Verify the Issue**: Before purchasing, confirm that the relay is the problem by testing it with a multimeter (check for continuity in the "normally open" position when the key is turned to "ON" and the A/C is engaged). If you re unsure, consult a mechanic or use an OBD-II scanner to rule out other electrical issues.

2. **Buy from a Trusted Source**: Purchase the relay from an authorized dealer, Nissan parts store, or a reputable online retailer like RockAuto, AutoZone, or Amazon (with verified seller ratings). Avoid cheap, no-name brands to ensure quality.

3. **Inspect the Relay Box**: While replacing the relay, check the relay box for moisture, corrosion, or damaged wiring. Clean the contacts and ensure the box is dry to prevent future issues.

4. **Consider a Relay Tester**: If you re unsure whether the relay is faulty, invest in a simple relay tester (available for $10) to confirm its functionality before buying a replacement.

5. **Check for Accompanying Issues**: If the A/C system still doesn t work after replacing the relay, inspect the A/C clutch, refrigerant levels, and fuses. A professional diagnosis may be needed if the problem persists.

6. **Document the Fix**: Keep records of the replacement (e.g., purchase date, part number) in case the relay fails within the warranty period.

In summary, the **Standard Motor 56214SMCC relay is a strong, cost-effective solution** for fixing A/C relay-related issues in the 2003 2007 Nissan Xterra, provided the problem is accurately diagnosed and the part is sourced responsibly. For most owners, it is the best choice for a quick and reliable fix.

Details:

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. Parts Geek - For 2003 - 2007 Nissan Xterra A/C Control Relay SMP 56214SMCC 2004 2006 2005: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Standard Motor Products Notes: Compressor Contents: 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: 2003 - 2007 Nissan Xterra.

part #: 56214smcc price

• $25.14

specifications nssnheatcontrol:

• for models: Xterra
• for makes: Nissan
• for years: 2003-2007
• brand: Standard Motor Products
• mpn: 56214smcc
• part type: Control Motor
• manufacturer warranty: 12 Month Warranty
• notes: A/c Compressor Control Relay
• years: 2004 2006 2005 2007 2003
• application: Nissan Xterra A/c Control Relay
• cs-sku: 400

offer nssnheatcontrol:

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

general nssnheatcontrol:

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

shipping nssnheatcontrol:

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

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• rating: 98.8%
• # reviews: 328414
• city: Taunton, Massachusetts

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