BUICK 670.GM4A12 Air Shutter

( Conditions Options: Air Shutter ), ( Genuine Oem: Yes ), ( Ipn: 670.gm4a12 ), ( Descriptionpartcondition: Nof ), ( Manufacturer Warranty: 1 Year ), ( Partout Id: A-124654464 )

Review BUICK Air Shutter Oem fits ENCLAVE 2012

The **2012 Buick Enclave 6.7L GM4A12 Air Shutter** is a premium, high-performance engine designed to deliver a seamless blend of power, efficiency, and refined driving dynamics within Buick s signature luxury SUV lineup. This robust **6.7-liter V8** (codenamed GM4A12) is a member of General Motors **L96 family**, a line of high-output, fuel-injected V8 engines known for their durability and strong torque output. Engineered with advanced **direct-injection technology**, this powerplant ensures precise fuel delivery, optimizing both performance and fuel economy while maintaining Buick s commitment to smooth, quiet operation. The **air shutter system** integrated into this engine is a sophisticated feature that dynamically adjusts airflow into the intake manifold, enhancing throttle response and reducing turbo lag particularly beneficial in stop-and-go traffic or low-speed driving scenarios. This system works in tandem with the engine s **variable valve timing (VVT)** to fine-tune cylinder pressure, improving efficiency and reducing emissions without sacrificing power.

Under the hood, the **6.7L GM4A12** produces a robust **400 horsepower** and an impressive **420 lb-ft of torque**, figures that translate into a confident, responsive drive ideal for the Enclave s spacious yet agile platform. The engine s **cast-iron block and aluminum cylinder heads** provide exceptional durability, making it well-suited for both city commuting and highway cruising. Additionally, the **high-flowing intake and exhaust manifolds**, along with a **dual overhead camshaft design**, contribute to a broad power band, ensuring a linear and engaging driving experience. The **air shutter mechanism** itself is a standout feature, allowing the engine to modulate airflow based on driving conditions opening fully for high-performance scenarios and closing to optimize efficiency during lighter loads. This adaptability not only enhances drivability but also supports the engine s compatibility with Buick s **6-speed automatic transmission**, delivering smooth, seamless shifts even under heavy loads.

Beyond its mechanical prowess, the **2012 Buick Enclave s 6.7L GM4A12** is engineered with modern refinements that elevate the overall ownership experience. The engine is equipped with **GM s EcoBoost technology**, which, while not a turbocharger in the traditional sense, enhances air intake efficiency, further improving both power and fuel economy. The **direct-injection system** minimizes fuel waste, ensuring that every drop is utilized effectively, while the **high-pressure fuel pump** guarantees consistent performance across a wide range of operating conditions. The **air shutter system** also plays a role in noise reduction, dampening intake noise and contributing to the Enclave s signature quiet cabin environment a hallmark of Buick s luxury engineering. Whether navigating city streets, merging onto highways, or towing lightly, this engine delivers a harmonious balance of power, refinement, and reliability, making it a standout choice for those seeking a premium, performance-oriented SUV without compromising on comfort or sophistication.

### **Pros and Cons of Buying a 2012 Buick Enclave (6.2L GM4A1 V8, Air Shutters, 2012 Model)**

#### **Pros**

1. **Spacious and Comfortable Interior**

The 2012 Buick Enclave is a three-row SUV with generous seating for up to eight passengers. The second and third rows offer decent legroom, though headroom in the third row is limited. The cabin is well-insulated, providing a quiet and comfortable ride, which is particularly noticeable on highway trips.

2. **Strong and Reliable Engine**

The 6.2L V8 (GM4A1) is a robust powerplant, producing around 400 horsepower and 420 lb-ft of torque. It is known for its durability, especially when maintained properly. This engine is capable of handling heavy loads, towing (up to 5,000 lbs when properly equipped), and long-distance driving without major issues.

3. **Comfortable Ride and Handling**

The Enclave rides smoothly on well-maintained roads, thanks to its suspension tuning, which balances comfort and stability. The steering is precise, and the SUV handles well for its size, making it suitable for both city driving and highway cruising.

4. **Good Safety Features**

The 2012 model comes with standard safety features such as stability control, traction control, and anti-lock brakes. Higher trims may include additional safety tech like forward collision warning, blind-spot monitoring, and rear cross-traffic alert. The Enclave also earned good safety ratings from the NHTSA and IIHS for its time.

5. **Air Shutters (Optional Feature)**

If the vehicle includes the air shutter package, it allows for customizable airflow to the second and third rows, improving comfort for passengers in the back. This is a nice touch for families or those who frequently carry passengers in the rear.

6. **Resale Value and Brand Reputation**

Buick has historically held its value reasonably well, and the Enclave is a well-regarded model in its segment. While not as premium as some luxury SUVs, it offers a solid balance of features and reliability.

7. **Available Luxury Amenities**

Depending on the trim, the Enclave may include features like leather upholstery, power-adjustable seats, a premium sound system, and climate control for all rows. These amenities enhance the driving and passenger experience.

---

#### **Cons**

1. **Poor Fuel Economy**

The 6.2L V8 is a thirsty engine, with an EPA-estimated fuel economy of around 14-16 MPG in the city and 20-22 MPG on the highway. This is significantly lower than modern SUVs, making it expensive to operate, especially for long commutes or highway driving.

2. **High Maintenance and Repair Costs**

The 6.2L V8, while durable, is known for requiring frequent maintenance, such as oil changes (every 5,000 miles if using conventional oil), timing chain adjustments, and potential issues with the valve cover gasket or oil leaks. Parts and labor can be costly, especially if the vehicle has not been well-maintained.

3. **Third-Row Limitations**

The third row is tight, with limited headroom and shoulder space. It is more suited for children or short-term use rather than long-term passengers. The cargo space is also reduced when the third row is occupied.

4. **Outdated Technology**

The 2012 Enclave lacks modern infotainment and connectivity features. The radio system is basic, and there is no Apple CarPlay or Android Auto. Navigation, if included, may be outdated or require manual updates. Bluetooth connectivity and USB ports may also be limited or absent in lower trims.

5. **Rust and Corrosion Concerns**

Buicks from this era are prone to rust, particularly in areas like the wheel wells, rocker panels, and undercarriage. A thorough inspection of the vehicle s underbody is essential to avoid costly repairs down the line.

6. **Transmission Issues**

The 6-speed automatic transmission paired with the 6.2L V8 can develop problems over time, such as rough shifting or transmission fluid leaks. Regular transmission fluid changes are critical to prevent major failures.

7. **Resale Depreciation**

While the Enclave retains value better than some competitors, it has depreciated significantly since 2012. If you plan to sell or trade it in soon, you may not recover much of your initial investment.

8. **Noise and Wind Noise**

Some owners report noticeable wind noise at highway speeds, which can be distracting. The cabin is generally quiet, but this is an area where the Enclave falls short compared to newer models with better sound insulation.

---

### **Conclusion**

The 2012 Buick Enclave with the 6.2L V8 engine and air shutters is a capable and comfortable SUV that excels in terms of space, power, and ride quality. It is well-suited for those who prioritize durability, towing capacity, and a smooth ride over fuel efficiency or modern tech. However, its high maintenance costs, poor fuel economy, outdated features, and potential rust issues make it a less ideal choice for budget-conscious buyers or those seeking long-term value.

- **Inspect it thoroughly** for rust, engine condition, and transmission health.

- **Verify maintenance records** to ensure the engine and transmission have been properly serviced.

- **Budget for higher fuel and maintenance costs** to account for its less efficient nature.

- **Consider alternatives** if fuel economy or modern features are priorities, such as a hybrid SUV or a newer model with better tech and efficiency.

---

### **Recommendation**

- You need a spacious, comfortable SUV for family use or towing.

- You are prepared to invest in maintenance and fuel costs.

- You prioritize reliability and power over modern amenities.

- You find a well-maintained example with no major rust or mechanical issues.

- You are concerned about high fuel expenses or long-term ownership costs.

- You require advanced infotainment or connectivity features.

- You plan to keep the vehicle for more than 5-7 years without upgrading.

- You are looking for a more fuel-efficient or lower-maintenance alternative.

For those who can afford the trade-offs, the Enclave remains a solid choice for those who value comfort and capability over cutting-edge technology. However, if possible, consider a newer model or a different brand that offers better fuel economy and modern features.

Details:

Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Please disregard other fitment charts they may not be correct. Very happy customer, excellent value and service. More Parts: 1 Year Warranty.

Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Model: ENCLAVE. Please compare part numbers BEFORE purchasing.

If something is wrong with an order, we certainly do want to help you. Free shipping only applies to items you keep. AIR SHUTTER OEM 2012 BUICK ENCLAVE: NOF Included: Hassle-free 1 Year Warranty Our Part #: 9202004. Easy to find parts that don't require a mechanics knowledge.

Quality, Assured Parts All are Quality Tested Inspected.

specifications grilexte:

• for models: Enclave
• for makes: Buick
• for years: 2012
• conditions options: Air Shutter
• genuine oem: Yes
• ipn: 670.gm4a12
• descriptionpartcondition: Nof
• manufacturer warranty: 1 Year
• partout id: A-124654464

payments grilexte:

• credit card: Visa
• wallet: Apple-pay
• other

shipping grilexte:

• service: Flat Rate Freight
• class: Freight
• cost: $55.00
• type: Fixed

returns grilexte:

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

general grilexte:

• Car Truck Parts Accessories > Engine Cooling Components > Radiators
• condition: Used

offer grilexte:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: April 24, 2026

seller grilexte:

• # reviews: 23439
• rating: 97.3%
• city: Rancho Cordova, California

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