1. NISSAN Controls & Control Units On Sale
  2. sku: 9410727799768793
  3. STANDARD PRODUCTS 89176NCQH

STANDARD MOTOR PRODUCTS 89176NCQH Control Relay Smp A/c

fits model: Sentra. make: Nissan. year: 1982–1984.

89176ncqh Standard Motor Products For 1982-1984 Nissan Sentra A/c Control Relay Smp 1983

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 89176NCQH ), ( Part Type: Control Motor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay ), ( Years: 1982 1983 1984 ), ( Application: Nissan Sentra A/c Control Relay ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Nissan A/c Control Relay Smp fits SENTRA 1982–1984

The **Standard Motor 89176NCQH** is a high-quality, direct-fit replacement **Air Conditioning Control Relay** specifically engineered for the **1982 1984 Nissan Sentra**, including the **1983 model year** (SMP variant). Designed to seamlessly integrate into the vehicle s electrical system, this relay plays a critical role in managing the power distribution to the Sentra s climate control components, ensuring smooth operation of the air conditioning, blower motor, and related circuits. Crafted with precision, this relay features a **robust, corrosion-resistant construction** that withstands the harsh conditions of automotive environments, including temperature fluctuations, vibration, and moisture exposure. Its **SMP (Single Pole Momentary) configuration** guarantees reliable switching performance, preventing electrical surges and ensuring consistent engagement of the A/C system when activated. Whether replacing a faulty original relay or upgrading for enhanced durability, this aftermarket component delivers **OEM-level reliability** while adhering to strict automotive industry standards. Ideal for mechanics, DIY enthusiasts, and fleet managers, the **89176NCQH** offers a straightforward, plug-and-play solution that restores optimal functionality to the Sentra s cooling system, reducing unnecessary strain on the vehicle s electrical infrastructure.

**Pros and Cons of Buying a Standard Motor 89176NCQH A/C Control Relay for a 1982-1984 Nissan Sentra (SMP 1983)**

### **Pros:**

1. **Compatibility** The relay is specifically designed for the 1982-1984 Nissan Sentra, ensuring a direct fit without modification. This reduces the risk of electrical or mechanical issues caused by mismatched parts.

2. **Reliability** Standard Motor is a well-known manufacturer of automotive relays, known for producing high-quality, durable components. The relay is likely to function consistently over time, minimizing frequent replacements.

3. **Easy Installation** Relays are straightforward to replace, requiring only basic tools (screwdriver, wire connectors) and minimal wiring knowledge. No major modifications to the vehicle s electrical system are needed.

4. **Cost-Effective Fix** Replacing a faulty A/C control relay is significantly cheaper than overhauling the entire A/C system or replacing the A/C compressor. The cost is a fraction of labor-intensive repairs.

5. **Prevents Further Damage** A failing relay can cause intermittent A/C operation, which may lead to compressor failure if left unaddressed. Replacing it early prevents more expensive repairs down the line.

6. **Widely Available** As an OEM or aftermarket part, it is easy to source from automotive stores, online retailers, or parts suppliers, reducing lead times.

7. **Standardized Performance** Unlike generic or low-quality aftermarket parts, this relay adheres to Nissan s original specifications, ensuring proper current handling and switching performance.

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### **Cons:**

1. **Potential Counterfeit Risk** Purchasing from untrusted sellers (especially online marketplaces) may result in counterfeit or low-quality replicas. These can fail prematurely or cause electrical issues.

2. **Age of the Vehicle** The 1982-1984 Nissan Sentra s wiring and relay socket may show signs of wear or corrosion. If the relay housing or terminal connections are degraded, the new relay may not function optimally.

3. **Diagnostic Uncertainty** If the A/C issue stems from a different problem (e.g., faulty compressor clutch, low refrigerant, or electrical shorts), replacing the relay alone may not resolve the problem. Proper diagnosis is essential.

4. **Limited Longevity Guarantee** While Standard Motor relays are durable, they are not immune to failure over time, especially if the vehicle s electrical system is prone to voltage spikes or poor grounding.

5. **Skill Dependency** While installation is simple, inexperienced DIYers might miswire the relay or overlook related components (e.g., fuses, connectors), leading to persistent issues.

6. **Price Sensitivity** Compared to generic relays, this part may be slightly more expensive, though still a bargain relative to professional labor costs for A/C repairs.

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### **Conclusion:**

The **Standard Motor 89176NCQH A/C control relay** is a **highly recommended** choice for repairing or replacing the relay in a 1982-1984 Nissan Sentra. Its **direct compatibility, reliability, and ease of installation** make it a practical and cost-effective solution for restoring A/C functionality. However, **purchasing from a reputable source** and **ensuring the underlying cause of the A/C issue is addressed** (e.g., checking refrigerant levels, compressor clutch, and wiring) are critical to long-term success.

**Recommendation:**

- **Buy from a trusted supplier** (e.g., RockAuto, Amazon with verified sellers, or a local auto parts store with return policies).

- **Verify the relay s pin configuration** matches your Sentra s wiring harness before installation.

- **Test the relay** after replacement by manually engaging the A/C clutch (if possible) to confirm it s functioning.

- **Inspect related components** (fuses, connectors, compressor clutch) to prevent recurring issues.

- **Consider professional installation** if unsure about wiring or electrical diagnostics.

For most DIYers, this relay is the **best balance of quality, affordability, and ease of use** for fixing A/C control problems in these Sentra models.

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. 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: 1982 - 1984 Nissan Sentra. Parts Geek - For 1982 - 1984 Nissan Sentra A/C Control Relay SMP 89176NCQH 1983: 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.

specifications nssnheatcontrol:

  • for models: Sentra
  • for makes: Nissan
  • for years: 1982-1984
  • brand: Standard Motor Products
  • mpn: 89176ncqh
  • part type: Control Motor
  • manufacturer warranty: 12 Month Warranty
  • notes: A/c Compressor Control Relay
  • years: 1982 1983 1984
  • application: Nissan Sentra A/c Control Relay
  • cs-sku: 400

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  • started: April 22, 2026
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  • Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
for models: sentra, for makes: nissan, for years: 1982-1984, part type: control motor, manufacturer warranty: 12 month warranty, notes: a/c compressor control relay, years: 1982 1983 1984, application: nissan sentra a/c control relay, cs-sku: 400,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 9410727799768793,
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