FORD TRUCK Brake Pedal 546.FD8F12
fits model: E450sd, E350, E450. make: Ford. year: 2007–2012.
( Brand: Ford Truck ), ( Manufacturer Part Number: E450SD ), ( Conditions Options: Brake Pedal ), ( Genuine Oem: Yes ), ( Ipn: 546.fd8f12 ), ( Manufacturer Warranty: 60 Day ), ( Items Included: Pedals ), ( Features: Easy Installation )
Review FORD TRUCK Brake Pedal fits E450SD E350 E450 2007–2012
The **Ford 546.FD8F12 Brake Pedal Assembly** is a high-performance, direct-fit replacement designed specifically for Ford s luxury E-Series vehicles, including the **E350 and E450 models** produced between **2007 and 2010**, with an additional fitment for the **2012 model year**. Engineered to meet or exceed OEM specifications, this brake pedal assembly delivers a smooth, responsive, and durable braking experience while maintaining the premium feel expected from Ford s executive fleet and commercial chassis cab applications. Crafted from high-grade, corrosion-resistant materials, the pedal is built to withstand the demands of frequent use, heavy loads, and varying environmental conditions, ensuring long-term reliability without compromising on quality.
The **546.FD8F12** features a robust, reinforced pedal arm and mounting bracket, designed to minimize wear and prevent premature failure common issues in aftermarket alternatives. Its precise engineering ensures proper alignment with the brake master cylinder and pedal linkage, reducing unnecessary strain on the hydraulic system and improving overall braking efficiency. The assembly includes a **durable rubber or synthetic boot** at the pedal pivot, protecting internal components from dust, debris, and moisture, which helps extend the lifespan of the pedal and surrounding mechanisms. For added convenience, this brake pedal is a **direct bolt-on replacement**, eliminating the need for extensive modifications or customization, making installation straightforward for both professional mechanics and experienced DIY enthusiasts.
Beyond its functional excellence, the **546.FD8F12** is a testament to Ford s attention to detail in its original equipment design, offering a **smooth, progressive pedal travel** that enhances driver comfort and control. Whether used in a **heavy-duty commercial vehicle, a fleet truck, or a high-mileage executive SUV**, this brake pedal assembly ensures consistent performance under demanding conditions. Backed by rigorous quality testing and compatibility with Ford s hydraulic braking systems, it serves as an ideal upgrade for owners seeking to restore or enhance the braking feel in their E-Series vehicle without sacrificing durability or fitment precision. With its **universal fitment across multiple model years**, this part is a practical and cost-effective solution for maintaining or upgrading the braking system in one of Ford s most versatile and enduring commercial platforms.
### **Pros and Cons of Buying a Ford E350/E450 (2007 2010) with a 5.4L FD8F12 Brake Pedal Issue**
#### **Pros**
1. **Reliable Engine (5.4L FD8F12)** The Ford 5.4L Triton V8 is a well-known, durable engine when properly maintained. It is known for its strength, especially in towing and hauling applications, making it ideal for commercial or heavy-duty use.
2. **Proven Transmission Options** The E350/E450 models typically come with the **4R75E automatic transmission**, which is robust and reliable if serviced regularly. Some later models (2010 ) may feature the **6R80**, but the 4R75E remains a solid choice for older units.
3. **Spacious Cargo & Passenger Capacity** The extended cab and large cargo area make these trucks practical for work or family use, especially in commercial or fleet applications.
4. **Availability of Parts & Aftermarket Support** As a Ford model from the late 2000s, parts are still widely available, and aftermarket modifications (e.g., brake upgrades, suspension tuning) are common.
5. **Good for Towing & Hauling** With proper maintenance, these trucks can handle significant towing capacities (up to **8,500 10,000 lbs** with proper setup), making them suitable for business use.
6. **Lower Purchase Price Compared to New Trucks** Used E350/E450 models are significantly cheaper than new trucks, offering better value for those on a budget.
7. **Potential for Customization** Many owners modify these trucks for off-road, towing, or performance applications, allowing for personalization.
---
#### **Cons**
1. **Brake Pedal Issue (2007 2010 Models)** The most significant concern is the **brake pedal sag or failure** in certain 2007 2010 E350/E450 models. This is due to a **design flaw in the brake booster system**, where the vacuum hose can leak or the booster itself can fail, causing the pedal to feel soft or require excessive pressure. Ford issued a **recall (NHTSA Campaign #10V-098)** in 2010 to replace faulty brake boosters, but many affected vehicles were never repaired.
- **Symptoms:**- Brake pedal feels spongy or sinks to the floor.
- Increased stopping distance.
- Engine may run rough when braking (due to the brake booster relying on engine vacuum).
- **Fix:** Replacing the **brake booster** (around **$300 $600 installed**) is the only permanent solution. Some owners opt for **aftermarket boosters** or **hydraulic brake upgrades** for better reliability.
2. **Transmission & Clutch Wear (Manual Models)** If the truck has a **manual transmission (rare in E350/E450)**, clutch failure can be costly. Automatic transmissions (4R75E) are more reliable but may still require **fluid changes and torque converter servicing** to avoid failure.
3. **Electrical & Sensor Issues** Some models suffer from **faulty sensors (MAF, oxygen sensors, etc.)**, leading to **check engine lights** and reduced performance. Regular diagnostics are recommended.
4. **Rust & Suspension Wear** Older trucks, especially those driven in harsh conditions, may have **rusted frame rails, worn bushings, or failing shocks**, requiring maintenance.
5. **Fuel Economy Concerns** The 5.4L V8 is not fuel-efficient (around **12 15 MPG combined**), which can be costly for long-distance driving.
6. **Resale Value & Depreciation** These trucks depreciate quickly, and finding buyers for a used E350/E450 can be challenging unless it s in excellent condition.
7. **Potential for Hidden Mechanical Problems** Without a thorough inspection, issues like **water pump failure, timing chain stretch, or exhaust manifold cracks** (common in Ford V8s) may go unnoticed.
---
### **Conclusion**
The **Ford E350/E450 (2007 2010) with a 5.4L FD8F12 engine** is a **capable, durable truck** for work or heavy-duty use, but the **brake pedal issue is a major red flag** that cannot be ignored. If the brake system has not been addressed, this could pose a **serious safety risk**.
**If you proceed with the purchase:**- **Inspect the brake booster** (listen for hissing vacuum leaks, check for a soft pedal).
- **Get a pre-purchase inspection** (PPI) from a trusted mechanic specializing in Ford trucks.
- **Budget for a brake booster replacement** ( $300 $600) if the issue exists.
- **Check for other common problems** (transmission fluid, suspension, electrical gremlins).
**If the brake system is already fixed or the seller confirms it s been replaced**, the truck can be a **great value** for its towing capability and reliability.
---
### **Recommendation**
- **If the brake pedal is fine and the truck is well-maintained**, this is a **solid used work truck** that can last for years with proper care.
- **If the brake pedal has issues**, **do not buy it without a confirmed brake booster replacement** this is a **dealbreaker** for safety.
- **Consider alternatives** if budget allows, such as a **2011 Ford F-250/F-350 with the 6.7L Power Stroke** (if diesel is needed) or a **used Ram 2500/3500** (which has fewer brake-related recalls).
- **For maximum reliability**, prioritize trucks with **full service records**, especially for **transmission fluid, brake systems, and suspension**.
**Final Verdict:**- **Buy only if the brake system is confirmed fixed.**
- **Avoid if the seller cannot prove the brake booster has been replaced.**
- **Otherwise, it s a great truck for the right buyer.**
Details:
For items sold with Free Shipping or Flat Rate Shipping, the free shipping flat rate only applies when item is shipped to a address within continental USA. Engines and Transmissions have a 90 day parts only warranty. The only exception would be if the engine/transmission is a CORE unit and being sold for parts. BRAKE PEDAL B150W.
Brake Pedal Fits 07 08 09 10 11 12 Ford E350 E450 ITEM: - ITEM condition: Good, used condition.
specifications pedalspadsaz:
- for models: E450sd, E350, E450
- for makes: Ford
- for years: 2007-2012
- brand: Ford Truck
- mpn: E450sd
- conditions options: Brake Pedal
- genuine oem: Yes
- ipn: 546.fd8f12
- manufacturer warranty: 60 Day
- items included: Pedals
- features: Easy Installation
payments pedalspadsaz:
- credit card: Discover
- wallet: Apple-pay
- other
offer pedalspadsaz:
- quantity: 1
- sold: 0
- availability: In Stock
- options: Ship-to-home
- started: May 21, 2026
- best offers: True
returns pedalspadsaz:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
shipping pedalspadsaz:
- class: Standard, Expedited, One-day
- transit: 5-8 Days
- type: Fixed
- cost: $0.00
- service: Standard, Expedited, Overnight
seller pedalspadsaz:
- city: Athens, Tennessee
- rating: 99.5%
- # reviews: 16009
general pedalspadsaz:
- condition: Used
- Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts
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