GM 84977347 Driver Mirror 2021-24 15-PIN

( Brand: Gm ), ( Manufacturer Part Number: 84977347 ), ( Paint Code: Glu ), ( Type: Standard Mirror Assembly ), ( Color: Blue ), ( Mirror Adjustment Method: Power Fold ), ( Attachment Type: Bolt-on ), ( Features: Automatic Dimming, Flat, Heated, Side View, Camera, Turn Signal ), ( Material: Glass, Plastic ), ( Finish: Painted ), ( Placement On Vehicle: Front, Left, Lh, Driver Side )

Review GM 2021 24 Driver Side Mirror 15-pin Midnight Blue fits SUBURBAN TAHOE YUKON

The **GM 84977347 2021-24 Suburban, Yukon, and Tahoe Driver-Side Mirror Assembly (15-Pin Connector)** is a high-performance, factory-specification replacement part designed to restore both the aesthetic and functional integrity of your full-size Chevrolet SUV. This premium mirror assembly features a sleek, contoured design that seamlessly integrates with the vehicle s bodywork, ensuring a clean, factory-like appearance while maintaining optimal visibility for the driver. Engineered with a durable, corrosion-resistant construction, it is built to withstand harsh weather conditions, road debris, and the rigors of daily use, providing long-lasting reliability. The mirror incorporates a **15-pin electrical connector**, a critical component that interfaces with the vehicle s power and signal circuits, enabling smooth operation of the turn signals, hazard lights, and heated elements (if equipped). This connector is precision-molded to ensure a secure, corrosion-free fit, reducing the risk of electrical issues that can arise from improper or low-quality connections. The assembly also includes a **high-quality, UV-resistant mirror coating** that minimizes glare and enhances clarity, even under direct sunlight, while the integrated **heated element** (where applicable) prevents ice and snow buildup in cold climates, ensuring year-round usability. Whether you re navigating city streets or tackling off-road adventures, this mirror assembly delivers both form and function, making it an essential upgrade for maintaining your vehicle s performance and curb appeal. Perfect for OEM replacement, customization, or restoration projects, it adheres to strict manufacturing standards to guarantee a perfect match with the original equipment, ensuring a hassle-free installation and a polished finish.

### **Pros and Cons of Buying a 2021-2024 GMC Yukon/Tahoe (VIN: GM84977347) with a Driver Mirror 15-Pin Connector**

#### **Pros**

1. **Reliability and Durability** GMC s full-size SUVs are known for their robust build quality, strong engines, and durable drivetrains. The 2021-2024 models feature improved structural integrity compared to older generations.

- **5.3L V8 (gas)** Reliable, powerful, and well-suited for towing and hauling.

- **6.2L V8 (gas)** More refined and efficient than the older 6.6L Duramax diesel (which was phased out in 2021).

- **3.0L Turbo Diesel (2021 only)** If this vehicle has the Duramax, it offers excellent fuel efficiency and torque, though it has some known long-term concerns (see cons).

3. **Towing and Hauling Capability** The Yukon/Tahoe is designed for heavy-duty use, with max towing ratings around **9,600 12,000 lbs** (depending on trim and configuration), making it ideal for trailers, boats, or construction work.

4. **Comfort and Space** The interior is spacious, with high-quality materials in higher trims (Denali, High Country). The ride is smooth for a large SUV, though not as plush as some luxury competitors.

- Forward Collision Alert

- Blind Spot Monitoring

- Lane Keep Assist

- Automatic Emergency Braking

- Available advanced driver-assistance systems (ADAS) in higher trims.

6. **Resale Value** GMC holds its value reasonably well, especially for well-maintained examples. The 2021-2024 models are still in decent demand, though not as much as newer trucks.

7. **Driver Mirror 15-Pin Connector** This is a useful feature for connecting aftermarket cameras, backup monitors, or other accessories. It s a practical addition for towing or visibility enhancement.

- **Infotainment (GMC User Experience, or GUX)** Touchscreen with wireless Apple CarPlay/Android Auto.

- **Heated/ventilated seats** (Denali models).

- **Adaptive cruise control** (in higher trims).

- **Surround-view camera** (optional).

9. **Availability of Parts and Service** GMC dealerships and independent mechanics have ample parts for these models, and labor costs are generally reasonable.

10. **Potential for Customization** The size and platform allow for aftermarket modifications (lift kits, exhaust, towing packages) if desired.

---

#### **Cons**

1. **Fuel Efficiency (Especially V8 Models)**

- The **5.3L and 6.2L V8s** are thirsty, with MPG ratings around **14-16 city / 20-22 highway**.

- The **3.0L Turbo Diesel (if present)** is more efficient ( 20-25 MPG combined), but has reliability concerns (see below).

2. **Diesel Engine Concerns (2021 Duramax 3.0L)**

- **DPF (Diesel Particulate Filter) clogging** (common in stop-and-go driving).

- **EGR cooler failures** (leading to overheating and engine damage).

- **High repair costs** if major components fail.

- GMC has issued recalls and extended warranties for some diesel models, but long-term reliability is questionable.

3. **High Maintenance Costs**

- GMC trucks (especially V8 models) can be expensive to maintain over time.

- **Transmission issues** (6L80 in some cases) and **suspension wear** (struts, bushings) are common in high-mileage examples.

- **Brake system failures** (rear brake calipers) have been reported in some models.

4. **Comfort and Noise**

- The cabin can feel **noisy at highway speeds**, especially with V8 engines.

- **Ride quality** is firm compared to luxury SUVs (e.g., Mercedes GLE, Cadillac Escalade).

- **Seats** in base trims can be less supportive for long drives.

5. **Depreciation**

- While GMC holds value better than some brands, these models still lose **15-20% in the first three years**.

- If you plan to keep it long-term, factor in potential repair costs as it ages.

6. **Towing Limitations (If Not Properly Prepared)**

- While capable, **improper towing (exceeding weight limits, not using a weight distribution hitch)** can damage the suspension and transmission.

- **Transmission wear** is accelerated with heavy towing.

7. **Infotainment Glitches (GUX System)**

- **Slow response times**.

- **Software bugs** (freezing, lag).

- **Difficulty with wireless Apple CarPlay/Android Auto** in some cases.

8. **Potential for Rust (If Not Well-Maintained)**

- Older GMCs (pre-2020) had rust issues, but newer models have improved corrosion resistance. Still, check the **undercarriage, wheel wells, and frame rails** if buying used.

9. **Resale Market Competition**

- **Ford F-150, Chevrolet Silverado, and Ram 1500** dominate the used truck market, making it harder to sell a GMC if you upgrade later.

10. **Driver Mirror 15-Pin Connector Limitations**

- While useful, **not all aftermarket cameras or monitors** will work with this connector some may require additional adapters.

- If you rely on this feature, ensure compatibility before purchase.

---

### **Conclusion**

You need **heavy-duty towing/hauling** (9,000 lbs).

You prefer a **V8 engine** (5.3L or 6.2L) for power and reliability (if not diesel).

You want a **large, capable SUV** with good resale value.

You appreciate **practical features** like the **15-pin mirror connector** for aftermarket accessories.

**Poor fuel economy** (especially with V8 models).

**High maintenance costs** if not well-maintained.

**Diesel engine concerns** (if equipped with the 3.0L turbo).

**Comfort and noise** compared to luxury alternatives.

---

### **Recommendation**

- You **prioritize towing capability** over fuel efficiency.

- You **inspect the vehicle thoroughly** (check for rust, transmission fluid leaks, suspension wear).

- You **avoid the diesel engine** (if present) unless you re certain it has been well-maintained.

- You **budget for maintenance** (expect **$1,500 $3,000/year** in upkeep for a used example).

- You **plan to use it for work** (towing, construction, etc.) rather than daily commuting.

- You **need better fuel economy** (consider a **Toyota Tundra, Ford F-150 Hybrid, or Ram 1500 EcoDiesel**).

- You **prefer a quieter, more comfortable ride** (look at **Mercedes GLE, Cadillac Escalade, or Lincoln Navigator**).

- You **find a well-maintained Ford F-150 or Chevy Silverado** at a similar price with better long-term reliability.

This **2021-2024 GMC Yukon/Tahoe** is a **solid workhorse** for those who need **towing power and durability**, but buyers should **be prepared for higher running costs** and **avoid diesel models unless absolutely necessary**. If you **inspect it carefully, maintain it properly, and use it appropriately**, it can be a **great long-term vehicle**. Otherwise, alternatives like the **Ford F-150 or Toyota Tundra** may offer better balance between capability and reliability.

Details:

You are looking at a, 2021 2022 2023 2024, Chevy Suburban Tahoe, GMC Yukon XL, 15-pin Driver Side View Mirror Midnight Blue, OEM Original Part Number is: 84977347, This is an assembly made by GM, to their standards, not aftermarket.

part #: 84977347 price

• $450.00

specifications mirroexter:

• for models: Suburban, Tahoe, Yukon
• brand: Gm
• mpn: 84977347
• paint code: Glu
• type: Standard Mirror Assembly
• color: Blue
• mirror adjustment method: Power Fold
• attachment type: Bolt-on
• features: Automatic Dimming, Flat, Heated, Side View, Camera, Turn Signal
• material: Glass, Plastic
• finish: Painted
• placement on vehicle: Front, Left, Lh, Driver Side

seller mirroexter:

• # reviews: 27646
• rating: 100.0%
• city: Sterling height, Michigan

general mirroexter:

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

payments mirroexter:

• wallet: Paypal
• other
• credit card: Diners-club

shipping mirroexter:

• transit: 3-8 Days
• service: Standard
• type: Fixed
• class: Standard
• cost: $0.00

returns mirroexter:

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

offer mirroexter:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: February 9, 2026

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