BUICK 546.GM4L07 Pedal Brake Clutch Brake/clutch

( Part Type: Pedal Brake Clutch ), ( Conditions Options: At, Gas Pedal ), ( Genuine Oem: Yes ), ( Ipn: 546.gm4l07 )

Review BUICK Pedal Brake/clutch fits LACROSSE 2007

The **2007 Buick LaCrosse (GM4L07) Pedal Brake/Clutch Assembly** is a meticulously engineered, high-performance component designed to deliver reliable and responsive braking and clutch operation in this iconic luxury sedan. Part of General Motors **546-series** transmission family, this assembly is engineered to withstand the demands of daily driving while ensuring smooth, precise engagement and braking performance. The **brake pedal** features a robust, durable construction with a polished aluminum or high-quality plastic housing, providing both a premium aesthetic and long-lasting durability. The pedal mechanism is designed with a progressive resistance curve, offering a balanced feel between effort and responsiveness, allowing the driver to modulate braking force with ease while maintaining control under varying road conditions. The **clutch pedal**, if applicable (depending on the specific model variant), follows a similar design philosophy, incorporating a sturdy metal or reinforced plastic housing with a smooth, ergonomic contour to reduce driver fatigue during extended use. Both pedals are built to meet or exceed GM s stringent quality standards, ensuring consistent performance and minimal wear over time.

Under the hood, this assembly integrates seamlessly with the **4L60-E or 6L90 4-speed automatic transmission**, depending on the engine configuration, providing a harmonious connection between the driver s input and the vehicle s drivetrain. The **brake pedal linkage** is engineered with precision to maintain optimal clearance and alignment, preventing premature wear on the master cylinder or hydraulic components. Meanwhile, the **clutch pedal** (where fitted) is designed to work in tandem with the transmission s hydraulic or cable-actuated clutch system, ensuring smooth shifts and reducing the risk of clutch slippage or premature failure. Both pedals are treated with corrosion-resistant coatings to protect against environmental elements, extending their lifespan even in harsh driving conditions.

For enthusiasts and mechanics alike, this pedal assembly represents a blend of **durability, precision, and reliability**, making it an essential component for maintaining the performance and safety of the 2007 Buick LaCrosse. Whether used in a restoration project or as a direct replacement for a worn-out assembly, this part ensures that the vehicle retains its signature blend of comfort and control. With its **OEM-quality construction**, it is built to match the exact specifications of the original equipment, guaranteeing a seamless fit and operation without compromising the LaCrosse s refined driving experience. Whether navigating city streets or cruising on the highway, this pedal assembly delivers the confidence and responsiveness drivers expect from a Buick.

### **Pros and Cons of Buying a 2007 Buick LaCrosse (5.3L V8, GM4L07, Pedal Brake/Clutch)**

#### **Pros**

1. **Reliability of the 5.3L V8 Engine**

- The 5.3L V8 (LQ9) is a well-known, durable engine known for longevity when properly maintained. Many examples exceed 200,000 miles with basic upkeep.

- It is a naturally aspirated engine, meaning fewer issues with turbocharger or EGR system failures compared to forced-induction engines.

- Strong towing capacity (up to 3,500 lbs with a proper hitch), making it suitable for light-duty towing if needed.

2. **Comfortable and Spacious Interior**

- The LaCrosse offers a roomy cabin with good legroom and headroom, making it comfortable for long drives.

- Upscale interior materials (for its time) with a relatively quiet cabin, especially in the higher trims.

- Standard features like power windows, locks, and climate control add to convenience.

3. **Decent Fuel Economy for a V8**

- While not great (around 14-16 MPG combined), it is more efficient than many other full-size V8 sedans of its era.

- The 5-speed automatic transmission (4L60-E) is smooth and reliable, though it lacks modern shift quality.

4. **Availability of Parts and Mechanics**

- As a GM vehicle from the mid-2000s, parts are still relatively accessible, though some specialty items may require searching.

- Many mechanics are familiar with the LQ9 engine and 4L60 transmission, reducing repair uncertainty.

5. **Potential for Modifications**

- The 5.3L V8 can be tuned for better performance, and aftermarket support (e.g., cold air intakes, exhaust upgrades) exists.

- The vehicle s size and drivetrain allow for easy modifications like lift kits or suspension upgrades if desired.

6. **Lower Purchase Price Compared to Modern Vehicles**

- A 2007 LaCrosse with this engine will cost significantly less than a new or even used luxury sedan, making it a budget-friendly option.

---

#### **Cons**

1. **Age and Wear Concerns**

- At 17 years old, the vehicle will likely require maintenance to stay reliable. Key components like the transmission, suspension, and cooling system may need attention.

- Rust is a common issue in older GM vehicles, particularly in the frame, subframe, and wheel wells. A thorough inspection is critical.

2. **Transmission and Drivetrain Reliability**

- The 4-speed automatic (4L60-E) is generally reliable but can develop slipping or rough shifting over time, especially if fluid changes were neglected.

- The rear differential may require attention if the vehicle has been driven hard or in rough conditions.

3. **Fuel Efficiency and Running Costs**

- The 5.3L V8 consumes fuel at a rate that will be expensive over time, especially if used for daily driving.

- Oil changes, cooling system maintenance, and potential engine repairs (e.g., valve cover gaskets, head gaskets) add to long-term costs.

4. **Safety and Modern Standards**

- The LaCrosse lacks modern safety features like advanced airbag systems, blind-spot monitoring, or lane-keeping assist. It also scores poorly in crash-test ratings compared to newer vehicles.

- Electronic systems (e.g., infotainment, power accessories) may be outdated or prone to failure.

5. **Rust and Structural Issues**

- Many GM vehicles from the late 2000s suffer from rust, particularly in the wheel wells, rocker panels, and undercarriage. A rust inspection is non-negotiable.

- Frame rust can compromise structural integrity, leading to handling issues or even catastrophic failure in severe cases.

6. **Resale Value and Depreciation**

- The LaCrosse has already depreciated significantly, and its value will continue to decline. If you plan to sell it later, you may not recover much.

- The market for used luxury sedans has shifted toward more modern, fuel-efficient vehicles, making this model less desirable to some buyers.

7. **Maintenance and Repair Costs**

- While parts are available, labor costs for repairs (especially on older GM dealerships) can be high. Independent mechanics may offer better rates but require vetting.

- The vehicle may require updates to meet modern emissions standards if it s used in areas with strict regulations.

8. **Comfort and Modern Amenities**

- The ride quality is firm compared to modern luxury sedans, which often prioritize comfort and noise reduction.

- The infotainment system (if equipped) is outdated and may not integrate with modern devices easily.

---

### **Ending Conclusion**

- Values **durability and towing capacity** over fuel efficiency.

- Is prepared for **regular maintenance and potential repairs**.

- Can afford **higher running costs** (fuel, oil changes, potential engine/drivetrain work).

- Prioritizes **space and comfort** over modern technology or safety features.

- Has **budgeted for rust inspections and structural checks** before purchase.

- Need a **fuel-efficient, low-maintenance daily driver**.

- Require **modern safety or infotainment features**.

- Want a vehicle that will hold value or resell easily.

- Cannot commit to **ongoing upkeep** (e.g., cooling system flushes, transmission fluid changes).

---

### **Recommendation**

1. You ve **inspected it thoroughly** for rust, engine condition, and transmission health (preferably with a trusted mechanic).

2. You re **prepared for higher maintenance costs** and have saved for potential repairs (e.g., cooling system, suspension, differential).

3. You **won t mind its age** in terms of fuel economy, safety, and modern amenities.

4. You **plan to use it sparingly** (e.g., weekends, occasional towing) rather than as a daily commuter.

- You re looking for a **long-term, low-cost vehicle** modern used sedans (e.g., Toyota Camry, Honda Accord) will be more reliable and efficient.

- You **can t afford unexpected repairs** this vehicle will require attention over time.

- You **prioritize safety and modern features** over legacy comfort and power.

- If you want a **similar experience with better reliability**, look at a **used Chevrolet Impala (2006-2013)** or **Oldsmobile Cutlass Supreme** (if available).

- If you need **better fuel economy**, consider a **used V6 or turbocharged sedan** (e.g., Ford Taurus, Nissan Maxima).

- If **rust is a concern**, opt for a **vehicle with a known rust-resistant body** (e.g., some Japanese or European models).

**Final Verdict:** The 2007 Buick LaCrosse with a 5.3L V8 can be a **fun, capable vehicle for the right owner**, but it demands **responsible ownership and budgeting**. If you re willing to put in the effort, it offers a rewarding driving experience. Otherwise, a more modern or lower-maintenance used car may be a smarter choice.

Details:

3.6L,AT, GAS PEDAL. Standard Warranty.

part #: 546.gm4l07 prices

• $25.00-$70.00

specifications pedalspadsaz:

• for models: Lacrosse
• for makes: Buick
• for years: 2007
• part type: Pedal Brake Clutch
• conditions options: At, Gas Pedal
• genuine oem: Yes
• ipn: 546.gm4l07

offer pedalspadsaz:

• options: Ship-to-home
• started: April 9, 2026
• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock

payments pedalspadsaz:

• wallet: Paypal
• other
• credit card: Mastercard

seller pedalspadsaz:

• # reviews: 1738
• city: Salt Lake City, Utah
• rating: 99.0%

shipping pedalspadsaz:

• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard
• transit: 4-7 Days

returns pedalspadsaz:

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

general pedalspadsaz:

• condition: Used
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

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