STANDARD MOTOR PRODUCTS 63WJBZY31 Control Relay Smp A/c

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 63WJBZY31 ), ( Type: A/c Control Relay ), ( Fits 1: 1998 Chevrolet Tracker ), ( Fit Note: A/c Compressor Control Relay ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS A/c Control Relay Smp Chevy fits TRACKER 1998

The **Standard Motor 63WJBZY31 A/C Control Relay (SMP)** is a high-quality, precision-engineered relay designed specifically for the **1998 Chevrolet Tracker**, ensuring reliable and efficient operation of your vehicle s air conditioning system. This relay serves as a critical component in the electrical circuit, allowing the A/C compressor clutch to engage and disengage smoothly under the control of the vehicle s climate control module. Crafted with durable materials and built to withstand the demanding conditions of automotive environments, this relay features a robust **Single Pole, Normally Open (SMP-NO)** configuration, which guarantees a clean and secure connection when activated, minimizing the risk of electrical arcing or contact wear over time.

The **63WJBZY31** is engineered to meet or exceed OEM specifications, ensuring seamless compatibility with the **1998 Chevy Tracker s** wiring harness and control systems. Its compact yet sturdy design fits perfectly into the vehicle s under-dash or engine bay relay bay, providing a secure and vibration-resistant mount that prevents premature failure. Inside, the relay incorporates a **high-performance coil** and **precise spring-loaded contacts**, which are designed to handle the repeated cycling of the A/C system without degradation, even under prolonged use or in extreme temperatures. This reliability is further enhanced by the use of **tin-plated copper contacts**, which resist corrosion and ensure consistent electrical conductivity, reducing the likelihood of intermittent failures that can disrupt your A/C performance.

Beyond its functional excellence, this relay is also a testament to **Standard Motor s commitment to quality and longevity**. The brand is widely trusted in the automotive aftermarket for its consistent performance and compatibility with a broad range of vehicles, including those from General Motors and other manufacturers. Whether you re addressing a malfunctioning A/C system, replacing a failed relay, or performing routine maintenance, the **63WJBZY31** offers a dependable solution that restores your **Chevy Tracker s** cooling efficiency with ease. Its straightforward installation typically requiring only a few minutes and basic hand tools makes it an ideal choice for both professional mechanics and DIY enthusiasts. By integrating this relay into your vehicle s electrical system, you can restore smooth A/C operation, improve overall comfort, and avoid the inconvenience of unexpected breakdowns during your drives.

### **Pros and Cons of buying a Standard Motor 63WJBZY31 A/C Control Relay (SMP) for a 1998 Chevy Tracker**

1. **Compatibility** This relay is specifically designed for the 1998 Chevy Tracker, ensuring proper fitment without modification. It is part of the **SMP (Standard Motor Products) series**, which is a trusted brand for automotive relays.

2. **Reliability** Standard Motor Products is a well-known manufacturer in the automotive industry, producing components that meet or exceed OEM standards. A high-quality relay reduces the risk of frequent failures, which can disrupt the A/C system.

3. **Easy Installation** Relays are simple to replace, requiring minimal tools (usually just a screwdriver). Since it is a direct replacement, no wiring adjustments should be necessary if the original relay was properly installed.

4. **Cost-Effective Fix** If the A/C relay is faulty, replacing it is a low-cost solution compared to diagnosing other potential issues (e.g., faulty compressor clutch, wiring problems, or control module failures). This relay typically costs between $10 and $20, depending on the retailer.

5. **Prevents Further Damage** A failing relay can cause intermittent A/C operation, which may lead to unnecessary strain on the compressor or other components. Replacing it early can prevent more expensive repairs down the line.

6. **Widely Available** As an OEM or aftermarket part, this relay is easy to find at auto parts stores (e.g., AutoZone, O Reilly, RockAuto) or online (Amazon, eBay, RockAuto). It is also often sold as a bulk or multi-pack, offering good value.

7. **Standardized Design** The **63WJBZY31** model is a standard A/C relay, meaning it follows common pin configurations and electrical specifications for Chevy Trackers from that era. This reduces the chance of purchasing an incompatible part.

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1. **Potential Counterfeit or Low-Quality Parts** While Standard Motor Products is a reputable brand, purchasing from untrusted sellers (e.g., unknown online marketplaces) could result in counterfeit or substandard relays. Always buy from authorized dealers or well-reviewed retailers.

2. **Symptoms May Persist** If the A/C relay is not the actual issue (e.g., the problem lies with the compressor clutch, A/C pressure, or fuse), replacing the relay alone may not resolve the problem. A thorough diagnosis is still required.

3. **Limited Lifespan** Like all electrical components, relays can wear out over time, especially if the vehicle is frequently driven in extreme conditions (e.g., high humidity, frequent A/C use). This relay may need replacement again in the future.

4. **No Warranty on Aftermarket Parts** While Standard Motor Products parts are durable, aftermarket relays may not come with a warranty (unlike OEM parts). Always check the retailer s return or warranty policy before purchasing.

5. **Misdiagnosis Risk** If the A/C system has other underlying issues (e.g., low refrigerant, faulty pressure switch, or a failing compressor), replacing just the relay without addressing these problems will not fix the issue permanently.

6. **Physical Damage Risk** If the relay socket or surrounding wiring is damaged, replacing the relay may not solve the problem. Inspecting the relay housing and connections is advisable during installation.

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The **Standard Motor 63WJBZY31 A/C Control Relay** is a **reliable and cost-effective solution** for a 1998 Chevy Tracker experiencing A/C relay-related issues. It is a direct replacement with a high probability of resolving intermittent A/C problems caused by a faulty relay. However, it is not a universal fix other components (e.g., compressor clutch, fuses, wiring) must also be checked if the A/C continues to malfunction after replacement.

- The A/C fan or compressor not engaging when the switch is turned on.

- Intermittent A/C operation (works sometimes, not others).

- No power to the A/C compressor clutch when the relay is tested.

2. **Buy from a Trusted Source** Purchase the relay from a reputable retailer (e.g., RockAuto, AutoZone, or an authorized Standard Motor Products dealer) to avoid counterfeit parts. Check reviews and return policies.

- The **A/C fuse** (blown fuses can cause similar symptoms).

- The **compressor clutch relay** (some vehicles have a separate relay for the clutch).

- The **A/C pressure switch** (low refrigerant can trigger relay-related failures).

- The **wiring harness** for burns or corrosion around the relay socket.

4. **Test the Relay** If possible, test the old relay with a multimeter or by swapping it with a known-good relay from another system (e.g., a horn relay) to confirm the issue.

5. **Consider a Multi-Pack** Buying a relay in a multi-pack (e.g., 5-pack) can be cost-effective if you anticipate future replacements or have other vehicles that may need one.

**Final Verdict:** If you are confident the relay is the problem, this is a **worthwhile purchase** that should resolve the issue quickly and affordably. However, if the A/C remains non-functional afterward, further diagnostics are necessary. For most cases, this relay is a **safe and practical choice** for a 1998 Chevy Tracker.

Details:

Enhanced Wear Resistance: Featuring brass or copper contacts where specified, our relays offer extended wear resistance, ensuring reliability even in high-stress applications. A/C Control Relay SMP 63WJBZY31 for Chevy Tracker 1998: Brand: Standard Motor Products condition: New, Notes Compressor Features: Built to Last: Our relays feature high-quality composite housings that protect against harsh temperatures and the most demanding under-hood conditions, ensuring lasting reliability. Product Specifications Terminal Quantity:4, Contents:Relay, Connector Quantity:1, Mounting Bracket Included:Yes. Detailed Applications Vehicle, 1998 Chevrolet Tracker.

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.

part #: 63wjbzy31 price

• $66.13

specifications chvyacheatercontrols:

• for models: Tracker
• for makes: Chevy
• brand: Standard Motor Products
• mpn: 63wjbzy31
• type: A/c Control Relay
• fits 1: 1998 Chevrolet Tracker
• fit note: A/c Compressor Control Relay
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

payments chvyacheatercontrols:

• credit card: Discover
• wallet: Paypal
• other

general chvyacheatercontrols:

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

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• service: Standard
• class: Standard
• transit: 4-7 Days
• cost: $0.00
• type: Fixed

seller chvyacheatercontrols:

• city: Albuquerque, New Mexico
• rating: 97.1%
• # reviews: 57831

offer chvyacheatercontrols:

• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: May 7, 2026

returns chvyacheatercontrols:

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

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