fits model: Denali. make: Gmc. year: 2004.

( Brand: Gmc Truck ), ( Part Type: Pedal Brake Clutch ), ( Conditions Options: Aot, Cl ), ( Genuine Oem: Yes ), ( Ipn: 546.gm9204 ), ( Manufacturer Warranty: 90 Day )
The **GMC 546.GM9204 Denali 2004 Pedal Brake/Clutch Assembly** is a high-performance, heavy-duty foot control system meticulously engineered for the 2004 GMC Denali, designed to deliver uncompromising reliability, precision, and durability under demanding driving conditions. This premium pedal assembly combines a robust **brake pedal** and **clutch pedal** into a single, integrated unit, featuring a **forged steel pedal arm** and **heavy-duty spring-loaded return mechanism** to ensure consistent, responsive operation with minimal wear over time. The brake pedal is constructed from **high-grade, corrosion-resistant materials**, including a **galvanized steel frame** and **durable rubber bushings** that absorb road vibrations while maintaining smooth, predictable pedal feel. The clutch pedal, meanwhile, incorporates a **precision-machined pivot point** and **adjustable throw linkage**, allowing for effortless engagement and disengagement of the transmission, even during aggressive driving or towing heavy loads. Both pedals are designed to withstand the rigors of daily use, off-road adventures, and extended periods of heavy braking, making them ideal for both urban commuters and adventurous overlanders who demand performance without compromise.
The **GM9204** designation ensures compatibility with the 2004 GMC Denali s **6.0L Vortec V8** powertrain, offering seamless integration with the vehicle s hydraulic brake and clutch systems. The pedal assembly is engineered to maintain optimal clearance and alignment, reducing the risk of premature wear on the master cylinder, brake calipers, or transmission components. The **brake pedal** features a **smooth, contoured design** for ergonomic comfort, while the **clutch pedal** includes a **reinforced spring** to counteract pedal creep, ensuring consistent pedal height and reducing the effort required for smooth shifting. Both pedals are treated with **anti-seize lubrication** at critical pivot points to prevent binding, even in extreme temperatures or after prolonged exposure to moisture. This assembly is built to last, often outperforming OEM components in longevity, and is a preferred upgrade for owners seeking to enhance the durability and responsiveness of their Denali s foot controls.
For those who prioritize both performance and longevity, the **546.GM9204 Denali 2004 Pedal Brake/Clutch Assembly** represents a superior alternative to standard aftermarket or OEM replacements. Its **heavy-duty construction** and **precision engineering** make it an excellent choice for vehicles subjected to frequent towing, off-road use, or high-performance driving. Whether installed in a stock Denali or a heavily modified truck, this pedal assembly delivers the confidence of knowing that your brake and clutch inputs will be crisp, reliable, and free from the slop or wear commonly associated with lower-quality components. With its robust build and attention to detail, this assembly is not just a functional upgrade it s a testament to the Denali s reputation for rugged, high-performance capability.
The 2004 GMC Denali (based on the Chevrolet Tahoe/Yukon) with the **5.3L V8 (GM9204, also known as the LQ9 or "546")** and a manual transmission (pedal brake/clutch) presents a mix of advantages and drawbacks. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros**
1. **Reliability and Durability**
The 5.3L V8 (GM9204) is a robust engine known for its longevity, especially when maintained properly. Many examples of this engine have exceeded 200,000 300,000 miles with minimal issues if the oil was changed regularly and other basic maintenance was performed. The block is cast iron, which is more durable than aluminum in extreme conditions.
2. **Strong Performance**
The 5.3L produces **285 310 horsepower** and **310 325 lb-ft of torque**, making it capable of towing heavy loads (up to **7,000 8,000 lbs** with proper equipment). It handles daily driving and highway cruising well, though it s not as fuel-efficient as smaller engines.
3. **Manual Transmission Option**
The availability of a manual transmission (4L60 or 4L65E) is a significant advantage for enthusiasts who prefer direct control or enjoy driving. Manual transmissions in this era are often more durable than automatics, especially if they ve been well-maintained. The clutch in a 2004 Denali is a heavy-duty dual-mass type, which can last a long time with proper use.
4. **Full-Size SUV Practicality**
The Denali is a spacious, full-size SUV with a comfortable ride, high seating position, and ample cargo capacity. It s well-suited for families, outdoor activities, or long-distance travel. The luxury features (leather seats, power windows, climate control, etc.) add to its appeal.
5. **Aftermarket Support**
The 5.3L V8 has a strong aftermarket presence, with availability of parts (e.g., intake manifolds, exhaust headers, performance chips) and tuning options. This makes upgrades or modifications easier if desired.
6. **Potential for Modifications**
The engine can be tuned for better performance (e.g., adding a cold air intake, performance exhaust, or ECU tuning) to improve throttle response and power. The manual transmission also allows for more engaging driving dynamics.
7. **Resale Value (Compared to Similar Vehicles)**
While not a high-value vehicle, the Denali holds up better than some of its competitors (e.g., older Ford Excursions or Dodge Durangos) due to its GM reliability and brand reputation.
8. **Off-Road Capability (With Proper Setup)**
The Denali can be equipped with optional off-road packages (e.g., skid plates, locking rear differential, all-terrain tires) to enhance its capability on rough terrain. The 5.3L s torque makes it suitable for light off-roading if modified appropriately.
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### **Cons**
1. **Fuel Efficiency**
The 5.3L V8 is **not fuel-efficient**. Expect around **12 15 MPG in the city** and **16 18 MPG on the highway** with manual transmission. This can be costly over time, especially with rising fuel prices.
2. **Manual Transmission Limitations**
While manual transmissions are durable, they require more engagement from the driver. The clutch may wear out faster if the driver is aggressive with shifting or doesn t maintain it properly. Additionally, manual transmissions are less common in modern vehicles, which can make repairs or part replacement more challenging over time.
3. **Maintenance Costs**
While the engine itself is reliable, maintenance costs can add up. Regular oil changes (every 5,000 7,500 miles), transmission fluid changes, and other upkeep (e.g., brakes, tires, suspension) are necessary. The Denali s luxury features may also require more frequent servicing than a basic SUV.
4. **Age and Wear**
The 2004 model is **20 years old**, meaning it may have accumulated significant mileage or wear. Common issues to check for include:- **Transmission wear** (slipping gears, delayed engagement).
- **Suspension components** (shocks, struts, bushings) may need replacement.
- **Rust** (especially in snowy or coastal climates, check the undercarriage, wheel wells, and frame).
- **Electrical issues** (older GM vehicles can develop problems with sensors, wiring, or infotainment systems).
- **Exhaust leaks** or catalytic converter failures (common in older V8s).
5. **Rust and Body Condition**
Many older GM vehicles from this era suffer from rust, particularly in the wheel arches, rocker panels, and undercarriage. A thorough inspection is critical to avoid buying a vehicle with structural issues.
6. **Safety and Modern Standards**
The Denali lacks modern safety features like **standard stability control, advanced airbag systems, or modern crash-test ratings**. It also doesn t have the latest driver-assistance technologies (e.g., lane-keeping, blind-spot monitoring).
7. **Depreciation**
The Denali has already depreciated significantly. Buying it new in 2004 would have cost around **$40,000 $50,000**, but today, a well-maintained example with low miles may only fetch **$5,000 $12,000**, depending on condition. This means the vehicle s value is already low.
8. **Towing and Hauling Limitations**
While the 5.3L can tow heavily, the Denali s frame and suspension are not as robust as newer models designed for heavy towing. Overloading can stress the drivetrain and suspension prematurely.
9. **Manual Transmission Driving Experience**
The manual transmission in this vehicle is **heavy and requires significant effort** to engage, especially in stop-and-go traffic. This can be tiring for some drivers and may not be ideal for daily commuting in urban areas.
10. **Parts Availability**
While parts are still available, they may become harder to find as the vehicle ages. Some specialty items (e.g., specific sensors, wiring harnesses) could require sourcing from salvage yards or online marketplaces.
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### **Conclusion**
The 2004 GMC Denali with the 5.3L V8 and manual transmission is a **capable, durable, and enjoyable vehicle** for the right buyer. It excels in **towing, off-roading (with modifications), and long-distance driving**, and its manual transmission offers a rewarding driving experience for enthusiasts. However, it comes with **significant drawbacks**, particularly in **fuel efficiency, maintenance costs, and age-related wear**.
This vehicle is best suited for:- **Enthusiasts who enjoy manual transmissions** and don t mind the effort.
- **Owners who prioritize durability and performance** over modern convenience.
- **Those who need a capable SUV for towing, hauling, or off-roading** and are willing to invest in maintenance.
- **Budget-conscious buyers** who can afford the upkeep and don t mind lower fuel economy.
It is **not ideal** for:- **Daily commuters** who prioritize fuel efficiency and ease of use.
- **Buyers who want modern safety features** or advanced driver-assistance technologies.
- **Those who dislike heavy manual transmissions** or prefer automatic transmissions.
- **People who cannot afford regular maintenance** (oil changes, transmission service, rust repairs).
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### **Recommendation**
If you are considering this vehicle, **prioritize a thorough inspection** by a trusted mechanic. Key areas to focus on include:- **Transmission condition** (check for slipping, delayed engagement, or fluid leaks).
- **Clutch health** (listen for grinding or excessive wear; ensure the dual-mass flywheel is intact).
- **Rust inspection** (especially undercarriage, wheel wells, and frame).
- **Suspension and steering components** (shocks, struts, bushings, tie rods).
- **Engine health** (listen for knocking, check for oil leaks, and verify compression if the engine has high mileage).
- **Electrical system** (test all lights, sensors, and infotainment if equipped).
**Budget accordingly** for potential repairs, especially if the vehicle has high mileage or a history of neglect. If you find a well-documented example with **under 150,000 miles, regular maintenance records, and no major rust or transmission issues**, it can be a fantastic project or daily driver for the right owner.
For most buyers today, **newer manual-transmission SUVs (e.g., Ford Expedition, Chevrolet Tahoe with manual, or even some European models)** offer better fuel efficiency, modern safety, and lower long-term costs. However, if you re drawn to the **classic GM V8 and manual driving experience**, the 2004 Denali can be a rewarding purchase with the right approach.
Engine warranty is contingent upon installation of new intake manifold gaskets. Transmissions: Replace the following with new parts: front pump and output shaft seals, pan gaskets filter. Failure caused by or related to collisions, theft, vandalism any act of God.
B Failure caused by towing a trailer unless your vehicle is rated the manufacturer for. Shearing or breaking of teeth in a standard transmission is not warranted under any circumstances. All the above installation should be in accordance with manufacturer guidelines including proper quantity and fill levels of fluids any technical service bulletins updates. The words un examined or unchecked on the delivery note/docket are not acceptable.
Manual transmissions follow the same procedure as above if applicable. Warranty is not transferable. Warranty covers slippage, shifting failures and/or bearing noise. Warranty is contingent upon oil and filter change per manufacturers specifications as to type at installation every 5,000 kilometres thereafter.
Warranty is valid to original purchaser only. All parts are covered by our 30-Day Money-Back Guarantee. M25019 1GKEK63U04J154181 2004 DENALI. Engine installations follow the procedures: Replace following parts if applicable: timing belt, water pump, thermostat, spark plugs, fluids, oil pan gasket, and filter.
Adjust shiftier and kick down cables linkage if applicable. This part may have accessories that are attached and must be removed or switched for proper installation. 100% TESTED PARTS. Clear all computer fault codes.
Flush or replace transmission cooler and lines.