GM 22773441 Lower Dash Knee Bolster Panel Trailer Brake
fits model: Silverado, Sierra. year: 2007–2014.
( Brand: Gm ), ( Manufacturer Part Number: 22773441 ), ( Fitment Type: Direct Replacement ), ( Color: Gray ), ( Material: Plastic ), ( Vintage Part: No ), ( Placement On Vehicle: Dashboard, Left, Interior Drivers Knee Area Dashboard Lower ), ( Interchange: Chevy Gmc Cadillac Interior Dash Panel Left Drivers Side Lower ), ( Type: Dashboard Trim ), ( Oe/oem Part Number: Oem Knee Panel Bolster Dash Dashboard Panel Trim Cover Finish, With Hood Release Handle Opening, Trailer Brake, 22773441 ), ( Features: Durable, Easy Installation, Trailer Brake ), ( Finish: Cleaned, Inspected )
Review GM Oem Lower Dash Knee Bolster Trim Panel Trailer Brake Oe fits SILVERADO SIERRA 2007–2014
The **2007 2014 Chevrolet/GMC Silverado/Sierra Lower Dash Knee Bolster Panel for Trailer Brake System** is a precision-engineered aftermarket replacement part designed to restore functionality and durability to the lower dash panel area of your full-size pickup truck s trailer brake controller housing. Crafted from high-quality, corrosion-resistant materials, this bolster panel serves as a critical structural component that supports the trailer brake wiring harness, mounting brackets, and control module, ensuring a secure and reliable connection between your truck s electrical system and the trailer s braking mechanism. The panel is meticulously cut to fit the exact dimensions of the original equipment manufacturer (OEM) design, maintaining the sleek, integrated look of your truck s interior while providing the necessary reinforcement to prevent sagging or misalignment over time. Whether you re hauling heavy loads, towing a camper, or simply upgrading your trailer brake setup for improved safety and performance, this bolster panel eliminates the need for costly modifications or jury-rigged solutions. Its robust construction also helps shield internal wiring from dust, debris, and moisture, extending the lifespan of your brake controller and reducing the risk of electrical malfunctions. Ideal for both DIY enthusiasts and professional installers, this part is a straightforward, no-fuss upgrade that ensures a seamless fit and optimal functionality, allowing you to tow with confidence while keeping your truck s interior looking as sharp as the day it left the dealership.
Buying a **2007 Chevrolet/GMC Sierra 1500 with a lower dash knee bolster panel and trailer brake** can be a practical choice for those needing a reliable work or towing vehicle, but it also comes with several considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.
---
### **Pros**
1. **Reliability and Durability**
The 2007 Sierra 1500 is part of a generation known for its robust build quality, particularly in the full-size truck segment. The frame and drivetrain components are designed to handle heavy loads and frequent use, making it a solid choice for work or towing applications.
2. **Strong Towing and Hauling Capacity**
The 2007 model is equipped with a **5.3L V8 engine** (in most trim levels) or a **6.0L V8** (in higher trims), which provides ample power for towing trailers, especially when paired with the **trailer brake controller**. This feature enhances safety by allowing the truck to brake the trailer independently, reducing the risk of rear-end collisions or trailer sway.
3. **Lower Dash Knee Bolster Panel**
The knee bolster panel is a practical addition for drivers who spend long hours in the cab. It provides additional seating comfort and support, reducing fatigue during extended drives. This feature is particularly useful for commercial drivers or those who frequently transport goods over long distances.
4. **Proven Resale Value**
The 2007 Sierra 1500 holds its value relatively well compared to some modern trucks, especially if well-maintained. The durability of the platform means it can last for many years with proper care, making it a cost-effective long-term investment.
5. **Availability of Parts and Mechanics**
Being a well-established model, parts for the 2007 Sierra 1500 are widely available, and mechanics familiar with this generation are common. This makes repairs and maintenance more accessible and often less expensive than for newer, less common vehicles.
6. **Off-Road and Utility Features**
Depending on the trim, the 2007 Sierra 1500 may include features like **4x4 capability, skid plates, and heavy-duty suspension**, which are beneficial for off-road use or hauling rough terrain.
7. **Cost-Effective Upfront Purchase**
Compared to newer trucks, the 2007 model is significantly cheaper to buy, making it an attractive option for buyers on a budget who still need a capable work truck.
---
### **Cons**
1. **Age and Wear**
The truck is **17 years old** (as of 2024), which means it may have accumulated significant mileage or wear and tear. Rust, especially in the frame, suspension, and undercarriage, is a common issue in older trucks, particularly if it has been driven in snowy or salty climates. A thorough inspection is critical to avoid purchasing a vehicle with hidden structural problems.
2. **Outdated Technology and Safety Features**
The 2007 Sierra lacks modern safety features such as **advanced driver-assistance systems (ADAS), electronic stability control (ESC) in all trims, or modern infotainment systems**. While ESC was introduced in later years of this model, earlier versions may not have it. This can be a concern for safety-conscious buyers or those in areas with strict regulations.
3. **Fuel Efficiency**
The 5.3L and 6.0L V8 engines are not fuel-efficient by today s standards. Expect around **12-16 MPG combined** for the 5.3L and slightly better for the 6.0L, but still far below modern diesel or hybrid options. High fuel costs can add up over time, especially for frequent towing.
4. **Reliability of Older Engines**
While the 5.3L V8 is generally reliable, the **6.0L V8 (L16)** has had issues with **oil consumption, head gasket failures, and timing chain stretch** in some cases. If the truck has high mileage, these problems may have already occurred or could be imminent. Regular oil changes and maintenance records are essential to verify.
5. **Comfort and Modern Amenities**
The interior of the 2007 Sierra is functional but lacks the refinements of newer trucks, such as **better sound insulation, ergonomic controls, or advanced climate systems**. Long drives may be less comfortable compared to modern models with heated seats, adaptive cruise control, or larger touchscreen displays.
6. **Emissions and Environmental Regulations**
Older trucks may not meet current emissions standards in some regions, which could limit where they can be driven or require additional modifications. This is less of an issue for personal use but could be a concern for commercial applications.
7. **Potential for Higher Maintenance Costs**
While parts are easy to find, labor costs for repairs may be higher than for newer vehicles, especially if specialized mechanics are required. Older trucks also tend to require more frequent maintenance, such as **transmission fluid changes, suspension repairs, and brake system updates**.
8. **Resale Value Depreciation**
Even though the 2007 Sierra holds its value reasonably well, it will continue to depreciate over time. If you plan to upgrade later, the resale value may not cover the cost of a newer truck.
---
### **Conclusion**
The **2007 Chevrolet/GMC Sierra 1500 with a lower dash knee bolster panel and trailer brake** is a **practical and capable work truck** that excels in towing, durability, and cost-effectiveness for buyers who prioritize functionality over modern amenities. It is an excellent choice for:
- **Commercial use** (e.g., hauling equipment, construction, or delivery work).
- **Budget-conscious buyers** who need a reliable truck for heavy-duty tasks.
- **Owners who prioritize parts availability and mechanical simplicity**.
However, it is **not ideal** for buyers who:- Want **modern safety features, fuel efficiency, or comfort**.
- Plan to keep the truck for **15 years** without significant maintenance or repairs.
- Live in areas with **harsh climates** (e.g., heavy snow or salt exposure), as rust and corrosion can be major issues.
- Require **low operating costs** due to poor fuel economy.
---
### **Recommendation**
If you decide to purchase this truck, follow these steps to maximize its value and longevity:1. **Get a Professional Inspection**
Have a **trusted mechanic** thoroughly inspect the truck, focusing on:- **Frame rust** (especially around the wheel wells, rocker panels, and undercarriage).
- **Engine condition** (check for oil leaks, timing chain wear, or head gasket issues).
- **Transmission and drivetrain** (listen for unusual noises in gear shifts).
- **Suspension and brakes** (ensure shocks, struts, and brake components are in good condition).
- **Electrical system** (test trailer brake functionality and all lights).
2. **Verify Maintenance Records**
Request **service records** to confirm that the truck has been regularly maintained. Key services to check include:- **Oil changes** (especially for the 6.0L V8).
- **Transmission fluid changes** (critical for longevity).
- **Brake and suspension upgrades** (if applicable).
3. **Test Drive Under Load**
If possible, test drive the truck **with a trailer** to ensure the trailer brake controller works properly and that the truck handles well under load.
4. **Consider a Certified Pre-Owned (CPO) Option**
If available, a **CPO Sierra 1500** with a warranty could provide added peace of mind, though these are rare for this model year.
5. **Budget for Upgrades**
Plan to invest in:- **Rust repairs** if the truck shows signs of corrosion.
- **Modern safety upgrades** (e.g., backup camera, ESC if not already installed).
- **Comfort improvements** (e.g., seat upgrades, sound insulation).
6. **Evaluate Alternatives**
If the truck is in **excellent condition** with low mileage and full maintenance history, it may still be the best choice. However, if you re open to spending slightly more, consider a **used 2010-2015 Sierra 1500**, which offers better fuel efficiency, modern safety features, and improved reliability without sacrificing towing capacity.
---
### **Final Verdict**
The **2007 Sierra 1500 with trailer brake and knee bolster** is a **solid workhorse** for the right buyer someone who values durability, towing power, and cost efficiency over modern conveniences. With proper care, it can serve you well for many years. However, if you re looking for a truck that aligns more closely with today s standards in safety, comfort, and fuel economy, a slightly newer used model may be worth the investment. Always prioritize **condition, maintenance history, and inspection** to ensure you re making a sound purchase.
Details:
In nice shape. Or ups ground. Has a few minor scuffs but not horrible.
part #: 22773441 price
- $74.99
specifications interiocatruc:
- for models: Silverado, Sierra
- for years: 2007-2014
- brand: Gm
- mpn: 22773441
- fitment type: Direct Replacement
- color: Gray
- material: Plastic
- vintage part: No
- placement on vehicle: Dashboard, Left, Interior Drivers Knee Area Dashboard Lower
- interchange: Chevy Gmc Cadillac Interior Dash Panel Left Drivers Side Lower
- type: Dashboard Trim
- oe/oem part number: Oem Knee Panel Bolster Dash Dashboard Panel Trim Cover Finish, With Hood Release Handle Opening, Trailer Brake, 22773441
- features: Durable, Easy Installation, Trailer Brake
- finish: Cleaned, Inspected
seller interiocatruc:
- # reviews: 1393
- city: Moravia, New York
- rating: 100.0%
payments interiocatruc:
- wallet: Apple-pay
- other
- credit card: Mastercard
returns interiocatruc:
- policy: No Returns
general interiocatruc:
- Interior Parts Accessories > Dash Panels Glove Boxes > Dash Panels
- condition: Used
offer interiocatruc:
- availability: In Stock
- options: Ship-to-home
- quantity: 1
- sold: 0
- started: March 19, 2026
shipping interiocatruc:
- cost: $22.00
- carrier: USPS
- type: Fixed
- service: USPS Ground Advantage
- transit: 7-11 Days
- class: Standard
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