1. NISSAN Controls & Control Units On Sale
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  3. STANDARD PRODUCTS BW57N3

STANDARD MOTOR PRODUCTS BW57N3 Selector Switch A/c 87-93 D21

fits model: Pathfinder. make: Nissan. year: 1987–1993.

Bw57n3 Standard Motor Products A/c Selector Switch For 87-93 Nissan D21 Pathfinder

( Brand: Standard Motor Products ), ( Manufacturer Part Number: BW57N3 ), ( Part Type: Switch Motor ), ( Product Warranty: 12 Month Warranty ), ( Part Info: A/c Selector Switch ), ( Years: 1993 1991 1992 1987 1988 1989 1990 93 91 92 87 88 89 90 ), ( Models: D21 Pathfinder ), ( Important: Please Read All Notes Before Making This Purchase ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS A/c Selector Switch Nissan D21 fits PATHFINDER 1987–1993

The **Standard Motor BW57N3 Air Conditioning Selector Switch** is a meticulously engineered, high-quality replacement component designed specifically for the **1987 through 1993 Nissan D21 Pathfinder** models, ensuring seamless integration with the vehicle s climate control system. Crafted from durable, long-lasting materials, this switch features a robust, snap-in design with a sturdy metal housing and precision-molded plastic components, guaranteeing both reliability and resistance to wear over extended use. The switch includes a **three-position rotary dial** typically labeled for **AUTO, FAN, and A/C** allowing drivers to effortlessly control airflow, fan speed, and air conditioning engagement with a simple twist of the knob. Its **bezel-mounted wiring harness** ensures a secure and clean connection to the vehicle s electrical system, minimizing the risk of loose or corroded terminals that could lead to intermittent functionality or complete failure. This switch is fully compatible with the Pathfinder s original wiring layout, making installation straightforward for both professional technicians and DIY enthusiasts, though it is recommended to disconnect the battery before handling to prevent electrical shorts. Whether replacing a faulty original unit or upgrading for enhanced durability, the **BW57N3** delivers a dependable performance that restores full climate control functionality, ensuring passenger comfort in all driving conditions. Built to meet or exceed OEM standards, this switch is an ideal choice for restoring or maintaining the reliability of your Nissan D21 Pathfinder s HVAC system.

### Pros and Cons of Buying a Standard Motor BW57N3 A/C Selector Switch for a 1987-1993 Nissan D21 Pathfinder

#### **Pros:**

The Standard Motor BW57N3 A/C selector switch is a direct replacement part designed specifically for the 1987-1993 Nissan D21 Pathfinder, offering several advantages:

1. **Exact Fit and Functionality** This switch is engineered to match the original equipment (OEM) design, ensuring compatibility with the vehicle s wiring and mounting points. It provides the same controls for air conditioning, fan speed, and temperature settings as the factory unit.

2. **Reliability and Durability** Standard Motor is a reputable manufacturer known for producing high-quality aftermarket automotive parts. The BW57N3 is built to withstand frequent use, reducing the risk of premature failure compared to cheaper or generic alternatives.

3. **Easy Installation** Since it is a direct replacement, installation typically requires minimal effort. Most users can replace the switch themselves with basic tools, though wiring connections should be double-checked to avoid issues.

4. **Cost-Effective Repair** Replacing a faulty A/C selector switch is often more affordable than repairing or replacing the entire climate control module. This part is relatively inexpensive compared to labor costs for professional installation.

5. **Compatibility with Aftermarket Upgrades** If you ve upgraded other components in your Pathfinder s climate control system (e.g., a new A/C compressor or blower motor), the BW57N3 will integrate seamlessly with those modifications.

6. **Warranty Coverage** Standard Motor parts often come with warranties, providing peace of mind in case of defects. This can be particularly useful if the switch fails shortly after installation.

7. **Improved User Experience** A properly functioning A/C selector switch ensures smooth operation of the climate control system, making it easier to adjust settings while driving or parked.

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#### **Cons:** While the Standard Motor BW57N3 is a solid choice, there are a few potential drawbacks to consider:

1. **Limited Customization** Unlike some aftermarket switches that offer additional features (e.g., remote control compatibility or programmable settings), the BW57N3 is a basic, OEM-style switch. If you re looking for modern conveniences, this may not be the best option.

2. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., third-party marketplaces without seller verification) could result in receiving a knockoff or low-quality replica. Always buy from authorized dealers or reputable online retailers to ensure authenticity.

3. **Wiring Concerns** If the original wiring harness is damaged or corroded, simply replacing the switch may not resolve underlying electrical issues. A thorough inspection of the wiring and connections is advisable before installation.

4. **Learning Curve for DIY Installation** While the switch itself is straightforward to install, some users may encounter challenges with disconnecting the wiring harness or securing the switch properly. Those unfamiliar with automotive electrical work might need to consult a professional.

5. **Availability and Lead Times** Depending on the retailer, stock levels for this specific part may vary. In some cases, you might need to order it in advance, which could delay repairs if you re in a hurry.

6. **Compatibility with Modified Systems** If your Pathfinder has been heavily modified (e.g., custom wiring or non-standard climate control systems), the BW57N3 might not work as intended without additional adjustments.

7. **No Additional Features** Unlike some aftermarket switches, this part does not include features like LED backlighting, touch-sensitive controls, or integration with infotainment systems. If aesthetics or modern functionality are priorities, you may need to explore other options.

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### **Conclusion:**

The Standard Motor BW57N3 A/C selector switch is a **highly recommended** choice for owners of the 1987-1993 Nissan D21 Pathfinder experiencing issues with their original switch. Its direct replacement design ensures reliability, ease of installation, and compatibility with the vehicle s climate control system. The part s durability and cost-effectiveness make it a practical solution for restoring proper functionality to your A/C controls without the need for extensive modifications.

However, it is essential to purchase from a trusted source to avoid counterfeit products and to inspect the wiring and connections during installation to prevent recurring issues. While it lacks modern features, its simplicity and functionality make it ideal for those seeking a straightforward, OEM-style repair.

### **Recommendation:**

If your Pathfinder s A/C selector switch is malfunctioning (e.g., sticking, not responding, or failing to engage the A/C), the **Standard Motor BW57N3 is the best direct replacement option**. Follow these steps for the best results:

1. **Verify the part number** (BW57N3) matches your vehicle s requirements.

2. **Purchase from an authorized dealer or a reputable online retailer** (e.g., RockAuto, Amazon, or a local auto parts store with a good return policy).

3. **Inspect the wiring harness** before installation to ensure no corrosion or damage exists.

4. **Follow the installation instructions carefully**, paying close attention to the wiring connections.

5. **Test the switch thoroughly** after installation to confirm all functions (fan speeds, A/C engagement, temperature control) work as expected.

For most DIYers, this switch will provide a reliable and cost-effective fix. If you encounter persistent issues after replacement, consult a professional to diagnose any underlying electrical problems.

Details:

Wire Quantity:3. Switch Shape:Rectangular. Wiring Harness Included:Yes. A/C Selector Switch.

Nissan D21 1992 - 1993. Nissan Pathfinder 1987 - 1993.

specifications nssnheatcontrol:

  • for models: Pathfinder
  • for makes: Nissan
  • for years: 1987-1993
  • brand: Standard Motor Products
  • mpn: Bw57n3
  • part type: Switch Motor
  • product warranty: 12 Month Warranty
  • part info: A/c Selector Switch
  • years: 1993 1991 1992 1987 1988 1989 1990 93 91 92 87 88 89 90
  • models: D21 Pathfinder
  • important: Please Read All Notes Before Making This Purchase
  • cs-sku: 400

general nssnheatcontrol:

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

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for models: pathfinder, for makes: nissan, for years: 1987-1993, part type: switch motor, product warranty: 12 month warranty, part info: a/c selector switch, years: 1993 1991 1992 1987 1988 1989 1990 93 91 92 87 88 89 90, models: d21 pathfinder, important: please read all notes before making this purchase, cs-sku: 400,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 9493554123114891,
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