GMC 23385531 Rear View Mirror Driver Left Power Door 128-04624 WM4PB

( Manufacturer Part Number: 23385531 ), ( Part Type: Mirror Driver Door ), ( Ipn: 128-04624 ), ( Fitment Type: Direct Replacement ), ( Surface Finish: Painted ), ( Modified Item: No ), ( Color: Black ), ( Placement On Vehicle: Left )

Review GMC Driver Left Side View Power Door Mirror Black fits YUKON 2015–2020

The **GMC Yukon Driver s Side Power Door Mirror (Part #23385531, WM4PB)** for the **2015 2020 model years** is a precision-engineered accessory designed to seamlessly integrate with the rugged yet refined exterior of this full-size SUV. Crafted to exact specifications, this **left-side power mirror** features a sleek, aerodynamic design with a **black powder-coated finish**, ensuring both durability and a polished aesthetic that complements the Yukon s bold, commanding presence on the road. Engineered with **high-quality materials**, including a sturdy **aluminum housing** and a **durable glass lens**, this mirror is built to withstand the elements, from harsh weather conditions to the occasional scrape of a roadside obstacle. The **electric motor and wiring harness** are meticulously assembled to guarantee smooth, reliable operation, allowing for effortless adjustment with the push of a button whether for optimal visibility during nighttime drives or to enhance blind-spot awareness in tight parking maneuvers.

Beyond its functional excellence, this mirror incorporates **advanced features** tailored to modern driving needs. The **integrated turn signal indicator** ensures clear visibility of lane changes, while the **adjustable angle and reach** of the motorized mechanism accommodates a wide range of driver preferences, from those seeking a more extended reach for better rear visibility to those who prefer a compact, streamlined profile. For added convenience, the mirror is equipped with a **remote control option** (if applicable to the vehicle s configuration), allowing for hands-free adjustments via the door control panel or even a dedicated button on the driver s side door. The **sealed electrical connections** and **corrosion-resistant components** further enhance longevity, making this mirror a dependable long-term investment for Yukon owners who demand both performance and reliability.

Whether upgrading due to wear and tear, replacing a damaged unit, or simply enhancing the vehicle s overall appearance, this **OEM-quality door mirror** from GMC ensures a perfect fit and seamless functionality. Its **universal compatibility** with the **2015 2020 Yukon** lineup including the Denali and SLE trims makes it an ideal choice for those seeking a direct replacement without compromising on quality. With its blend of **durability, precision engineering, and driver-centric design**, this power door mirror is more than just an accessory; it s a testament to GMC s commitment to craftsmanship and driver convenience.

### **Pros and Cons of Buying a 2015 2020 GMC Yukon with the Left-View Power Door Mirror (Part # WM4PB)**

1. **Functionality and Convenience** The left-view power door mirror (part # WM4PB) enhances visibility for the driver, especially when backing out of tight parking spaces or navigating large vehicles. It eliminates blind spots on the driver s side, improving safety.

2. **Compatibility with GMC Yukon Models** This mirror is designed specifically for the 2015 2020 Yukon lineup, ensuring a proper fit without modifications. It integrates seamlessly with the vehicle s electrical system, allowing for smooth power operation.

3. **Durability and Quality** GMC and its OEM suppliers produce parts that are built to last, especially when sourced from reputable dealers or authorized suppliers. The power mechanism is designed to withstand frequent use without excessive wear.

4. **Aesthetic Consistency** The mirror matches the Yukon s exterior styling, maintaining a cohesive look. It comes with the same finish and design as the factory-installed mirrors, avoiding a mismatched appearance.

5. **Easy Installation** Since it is a direct replacement part, installation is relatively straightforward for those with basic mechanical skills. Most dealers provide installation instructions, and many can perform the swap in under an hour.

6. **Potential Cost Savings** Purchasing the mirror directly from a supplier (rather than through a dealership) can be more affordable than buying a full mirror assembly or having a mechanic install it.

7. **Resale Value Protection** Replacing a damaged or missing mirror with an OEM part helps maintain the vehicle s resale value, as buyers prefer fully functional and visually complete vehicles.

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1. **Cost Consideration** While often cheaper than a full mirror assembly, the price of the mirror itself (especially if bought new or from a premium supplier) may still be a significant investment for some buyers. Prices can vary widely depending on the source.

2. **Potential Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Craigslist, or unverified online marketplaces), there is a risk of receiving a counterfeit or low-quality part that fails prematurely. Always verify the seller s reputation and part authenticity.

3. **Electrical Compatibility Issues** Older Yukon models (especially pre-2017) may have wiring or fuse requirements that differ slightly from newer models. If the vehicle s electrical system is damaged or outdated, the mirror may not function properly after installation.

4. **Labor Costs if Professional Installation is Needed** While DIY installation is possible, some buyers may prefer a professional mechanic to ensure proper wiring and functionality. Labor costs can add to the total expense, especially if additional repairs (e.g., wiring fixes) are required.

5. **Limited Availability of Used Parts** If buying a used mirror, finding a high-quality, undamaged part can be challenging. Used parts may have hidden defects or may not work as reliably as new ones.

6. **Potential for Additional Wear** If the mirror is being replaced due to existing damage (e.g., a cracked glass or broken motor), the underlying issue (such as a faulty motor or wiring) may persist unless addressed simultaneously.

7. **Weight and Bulk** Power mirrors are heavier than manual ones, which may slightly affect the vehicle s handling or balance. However, this is negligible for most Yukon drivers.

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The **2015 2020 GMC Yukon left-view power door mirror (part # WM4PB)** is a practical and valuable upgrade for improving visibility and safety. It is a direct replacement part that enhances functionality without compromising the vehicle s aesthetics. The pros such as better visibility, ease of installation, and compatibility outweigh the cons for most buyers, provided they source the part from a reputable supplier and ensure proper installation.

However, potential buyers should be cautious of counterfeit parts, verify electrical compatibility, and consider whether DIY installation is feasible. For those prioritizing safety and convenience, this mirror is a worthwhile investment, especially if the original mirror is damaged or missing.

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1. **Purchase from a Trusted Source** Buy the mirror from an **authorized GMC parts dealer, a reputable online retailer (e.g., RockAuto, AutoZone, or local GMC service centers), or a verified eBay seller with positive reviews**. Avoid unknown sellers to prevent counterfeit parts.

2. **Check for Compatibility** Confirm that the part number (WM4PB) matches your specific Yukon model year and trim level. Some luxury or high-end trims may have slightly different wiring or features.

3. **Inspect the Vehicle s Electrical System** Before installation, test the existing power mirror wiring and fuses. If the system is faulty, address those issues first to avoid recurring problems.

4. **Consider Professional Installation** If you are uncomfortable with electrical work or wiring, have a mechanic install the mirror to ensure proper functionality and avoid voiding any existing warranties.

5. **Budget for Potential Additional Costs** Factor in the cost of tools (e.g., socket set, wire strippers) if attempting a DIY install. If professional help is needed, account for labor fees.

6. **Prioritize Safety** If your current mirror is cracked, broken, or missing, replacing it with an OEM power mirror is a **safety upgrade** that justifies the cost. This is particularly important for large vehicles like the Yukon, where visibility is critical.

**Final Verdict:** For most Yukon owners, this mirror is a **smart and necessary purchase**, especially if it improves safety or restores functionality. With careful sourcing and proper installation, it will provide reliable service for years to come.

Details:

YUKON 17 power, w/turn signal opt DL3, w/o surround view; blind spot alert; L. YUKON XL 1500 18 Power; w/turn signal opt DL3, w/o surround view; blind spot alert; L. Please also use the pictures to ensure a proper fit. This 2015 2016 2017 2018 2019 2020 Gmc YUKON Door Mirror is in overall good condition.

Shipping is via USPS or UPS. Most electronic parts are not plug and play. Compatible with: YUKON XL 1500 17 power, w/turn signal opt DL3, w/o surround view; blind spot alert; L.

part #: 23385531 prices

• $99.00-$191.20

specifications mirroexter:

• for models: Yukon
• for makes: Gmc
• for years: 2015-2020
• mpn: 23385531
• part type: Mirror Driver Door
• ipn: 128-04624
• fitment type: Direct Replacement
• surface finish: Painted
• modified item: No
• color: Black
• placement on vehicle: Left

seller mirroexter:

• # reviews: 79467
• rating: 99.2%
• city: Las Vegas, Nevada

payments mirroexter:

• wallet: Google-pay
• other
• credit card: Discover

returns mirroexter:

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

general mirroexter:

• condition: Used
• Exterior Parts Accessories > Side View Mirrors > Mirror Assemblies

offer mirroexter:

• quantity: 1
• sold: 0
• availability: In Stock
• started: March 11, 2026
• options: Ship-to-home

shipping mirroexter:

• service: Standard, Expedited
• cost: $0.00
• class: Standard, Expedited
• transit: 3-7 Days
• type: Fixed

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