1. Sunroof, Convertible & Hardtop Auto Parts For Sale
  2. sku: 16190874780373853
  3. GMC TRUCK ACADIA

GMC TRUCK 628.GM9A14 Roof Motor

fits model: Acadia. make: Gmc. year: 2014.

628.gm9a14 Gmc Truck Acadia 2014 Roof Motor 8656731

( Brand: Gmc Truck ), ( Part Type: Motor ), ( Conditions Options: Front Sunroof Motor ), ( Genuine Oem: Yes ), ( Ipn: 628.gm9a14 ), ( Warranty: 1 Year )

Review GMC TRUCK Roof Motor fits ACADIA 2014

The **GMC 628.gm9a14 ACadia 2014 Roof Motor** is a high-performance, factory-original component designed specifically for the 2014 GMC Acadia, ensuring seamless and reliable operation of the vehicle s power sliding glass sunroof system. This motor is part of the **gm9a14** series, a robust and durable unit engineered to handle the demands of daily driving while maintaining smooth, quiet functionality. Built with precision engineering, the motor features a **brushless DC design**, which enhances efficiency, reduces wear, and extends the lifespan of the mechanism, minimizing the risk of electrical or mechanical failure over time. The unit is compatible with the Acadia s **2014 model year**, including both **SLT, SLE, and Denali trims**, making it a versatile replacement for those seeking to restore or upgrade their sunroof s performance after wear or damage.

What sets this roof motor apart is its **integrated drive system**, which includes a **gear reduction mechanism** and a **sealed, corrosion-resistant housing** to protect against environmental elements like moisture, dust, and road debris. The motor operates with a **low-voltage DC current**, typically around **12 volts**, and is designed to work in tandem with the Acadia s **factory wiring harness**, ensuring compatibility without the need for extensive modifications. Its **smooth, incremental movement** allows for precise control of the sunroof s opening and closing, reducing strain on the glass and rails while delivering a quiet, effortless operation critical for maintaining the Acadia s premium driving experience.

For maintenance and reliability, the **628.gm9a14** motor is built with **high-grade materials**, including reinforced bearings and a **self-lubricating mechanism**, which reduces friction and prevents premature wear. It is also designed to be **easily accessible**, often located near the rear of the sunroof frame, allowing for straightforward installation during repairs or replacements. Whether replacing a failed motor due to electrical issues, mechanical wear, or a malfunctioning switch, this unit provides a **direct, plug-and-play solution** that restores full functionality to the Acadia s sunroof system. Its **OEM-level quality** ensures that it meets or exceeds the performance standards set by GMC, making it an ideal choice for both professional mechanics and DIY enthusiasts looking to maintain their vehicle s original equipment integrity.

### **Pros and Cons of Buying a 2014 GMC Acadia (6.2L V8 GM9A14) with a Roof Motor**

#### **Pros**

1. **Strong Engine and Towing Capacity** The 6.2L V8 (GM9A14) is a robust engine capable of towing up to **5,000 lbs** when properly equipped, making it suitable for heavy-duty tasks like hauling trailers or boats.

2. **Rugged and Durable Build** The Acadia is a full-size SUV with a solid frame, making it well-suited for off-road adventures and rough terrain. The V8 engine provides ample power for demanding conditions.

3. **Available Off-Road Features** Depending on the trim, the 2014 Acadia may include options like **All-Wheel Drive (AWD), skid plates, and a higher ground clearance**, enhancing its off-road capability.

4. **Spacious Interior** The Acadia offers a large cargo area and comfortable seating for up to **eight passengers**, making it practical for families or large groups.

5. **Reliability (Compared to Competitors)** While not as fuel-efficient as modern SUVs, the 6.2L V8 is known for its durability, especially when maintained properly. Many owners report longevity if the engine and transmission are well-cared-for.

6. **Resale Value (For Its Class)** As a full-size SUV, the Acadia retains decent resale value compared to smaller crossovers, though it may not hold value as well as luxury brands.

7. **Roof Motor Convenience** The power-operated roof motor (likely for a soft-top or convertible) adds convenience, though it may require occasional maintenance.

---

#### **Cons**

1. **Poor Fuel Efficiency** The 6.2L V8 averages around **14-16 MPG combined**, making it expensive to operate, especially for daily commuting. This is a significant drawback compared to modern turbocharged or hybrid SUVs.

2. **High Maintenance Costs** V8 engines, especially older GM models, can be costly to maintain. Common issues include **oil leaks, timing chain wear, and transmission problems**, which may require expensive repairs over time.

3. **Outdated Technology** The 2014 Acadia lacks modern infotainment features like **Apple CarPlay, Android Auto, or advanced driver-assistance systems (ADAS)**. The interface may feel clunky by today s standards.

4. **Reliability Concerns with the 6.2L V8** While durable, this engine has a history of **oil consumption, head gasket failures, and transmission shifting issues** in some models. Regular oil changes and inspections are critical.

5. **Depreciation** The Acadia has seen significant depreciation since 2014. Buying used means you ll likely pay a fraction of its original value, but you may also inherit hidden mechanical issues.

6. **Noise and Vibration** The V8 can be **loud and rough-riding**, especially at highway speeds. Suspension wear may also contribute to an uncomfortable ride over time.

7. **Limited Modern Safety Features** Compared to newer SUVs, the 2014 Acadia lacks **advanced safety tech like automatic emergency braking, lane-keeping assist, or blind-spot monitoring**, increasing the risk in modern driving conditions.

8. **Potential Transmission Issues** Some owners report **rough shifting or failure in the 6-speed automatic transmission**, which can be costly to repair.

---

### **Conclusion**

The **2014 GMC Acadia with a 6.2L V8 and roof motor** is a **capable, durable SUV** best suited for **heavy-duty towing, off-road use, or those who prioritize power over fuel efficiency**. However, its **high maintenance costs, poor MPG, and outdated tech** make it a **less ideal choice for daily drivers or budget-conscious buyers**.

If you **need a strong, rugged SUV for occasional towing or rough terrain** and can afford the **higher running costs**, this vehicle could be a good fit **provided it has been well-maintained**. If you **prioritize fuel efficiency, modern comfort, or low long-term costs**, a newer or smaller SUV would be a better investment.

---

### **Recommendation**

- **Buy if:**

- You **require heavy towing (5,000 lbs)** and need a **durable, full-size SUV**.

- You **plan to use it sparingly** (e.g., weekend off-roading or occasional hauling).

- You **can afford high maintenance costs** and have **mechanical knowledge** (or access to a trusted mechanic).

- You **find a well-documented, low-mileage example** with **service records** (especially for oil changes and transmission care).

- **Avoid if:**

- You **drive frequently** (high fuel costs will add up).

- You **need modern tech or safety features** (infotainment, ADAS).

- You **can t budget for potential engine or transmission repairs**.

- You **prefer a more fuel-efficient or lower-maintenance vehicle**.

**Alternative Considerations:**

- If towing is the main priority, look for a **newer GMC Sierra 1500 (2017 )** with a **Duramax diesel** for better fuel economy and reliability.

- For a **used but more efficient SUV**, consider a **Toyota Sequoia (V8 but more reliable) or a Ford Expedition (with proper maintenance)**.

- If you want **off-road capability with better fuel economy**, a **used Jeep Wrangler JL (2018 with turbo diesel)** or **Subaru Ascent (AWD, reliable)** could be better long-term choices.

**Final Verdict:** The 2014 GMC Acadia V8 is a **good used purchase for specific needs but not ideal for most everyday drivers**. Always **get a pre-purchase inspection** and **verify service history** before buying.

Details:

ACADIA 2014 Roof Motor 8656731: FRONT SUNROOF MOTOR Included: Hassle-free 1 Year Warranty Our Part #: 8656731. Please disregard other fitment charts they may not be correct. Please compare part numbers BEFORE purchasing. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date.

Very happy customer, excellent value and service. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Quality, Assured Parts All are Quality Tested Inspected.

Free shipping only applies to items you keep. Easy to find parts that don't require a mechanics knowledge. More Parts: 1 Year Warranty. Model: ACADIA.

If something is wrong with an order, we certainly do want to help you.

part #: 628.gm9a14 prices

  • $125.00-$149.00

specifications sunroofconverti:

  • for models: Acadia
  • for makes: Gmc
  • for years: 2014
  • brand: Gmc Truck
  • part type: Motor
  • conditions options: Front Sunroof Motor
  • genuine oem: Yes
  • ipn: 628.gm9a14
  • warranty: 1 Year

returns sunroofconverti:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 60 Days

general sunroofconverti:

  • Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
  • condition: Used

offer sunroofconverti:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: March 25, 2026
  • best offers: True

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  • service: Flat Rate Freight
  • type: Fixed
  • cost: $20.00
  • class: Freight

seller sunroofconverti:

  • # reviews: 23211
  • city: Rancho Cordova, California
  • rating: 97.2%
for models: acadia, for makes: gmc, for years: 2014, part type: motor, conditions options: front sunroof motor, genuine oem: yes, warranty: 1 year,
manufacturer: gmc, category: auto parts > exterior parts accessories > roofs, tops sunroofs > sunroofs parts, sku: 16190874780373853,
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4 offers $125.00–$149.00 USD
  • Used. Offer #1 priced at $149.00 + $20.00 shipping estimate = $169.00* total. *OPEN FOR IMPORTANT FITMENT INFO*.+$20.00 shipping
  • Used. Offer #2 priced at $125.00 + $20.00 shipping estimate = $145.00* total. +$20.00 shipping
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