fits model: 3500, Sierra. make: Gmc. year: 2004–2005.

( Brand: Autopart Premium ), ( Manufacturer Part Number: 76612YHYP ), ( Part Type: Pedal ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Accelerator Pedal Assembly With Position Sensor; With Fixed. ), ( Important Note: It Comes With A Position Sensor ), ( Years: 2004 2005 ), ( Application: Gmc Sierra 3500 Accelerator Pedal Assembly ), ( Product Name 2: Accelerator Pedal ), ( Cs-sku: 400 )
The **Autopart 76612YHYP Accelerator Pedal Assembly** is a precision-engineered, direct-fit replacement part designed specifically for the **2004 2005 GMC Sierra 1500 and 2500HD/3500HD** models, ensuring seamless integration with the vehicle s throttle control system. Crafted from high-grade, durable materials, this pedal assembly features a robust **stamped steel construction** with a **smooth, wear-resistant surface**, allowing for consistent and responsive throttle operation without premature wear or sticking. The design incorporates a **ball-bearing pivot mechanism**, which enhances smoothness and longevity by reducing friction during pedal engagement, while the **integrated return spring** ensures the pedal resets to its neutral position with minimal effort, preventing unintended acceleration or drivability issues. This component is engineered to maintain proper pedal travel and resistance, critical for optimal engine performance and fuel efficiency, while also mitigating potential safety hazards associated with a worn or malfunctioning accelerator pedal. Ideal for both professional mechanics and DIY enthusiasts, the **76612YHYP** is a drop-in replacement that requires minimal modification, making installation straightforward with basic hand tools. Its compatibility extends beyond the GMC Sierra to include select **Chevrolet Silverado** and **Cadillac Escalade** models from the same era, offering versatility for those working on related GM full-size trucks. Whether addressing a faulty pedal due to age, corrosion, or mechanical failure, this aftermarket part restores the throttle system to factory specifications, ensuring reliable operation and peace of mind on the road.
### **Pros and Cons of Buying Part #76612YHYP (Accelerator Pedal Assembly) for a 2004-2005 GMC Sierra 3500**
#### **Pros:**1. **Direct Fitment** This part is specifically designed for the 2004-2005 GMC Sierra 3500, ensuring compatibility with the accelerator pedal linkage, wiring, and mounting points. No modifications are typically required for installation.
2. **Improved Performance and Reliability** If the original pedal was worn, sticky, or failing, replacing it with an OEM or high-quality aftermarket part can restore smooth throttle response, prevent sudden stalling, or eliminate erratic acceleration issues.
3. **Prevents Further Damage** A failing accelerator pedal can damage the throttle body, fuel injectors, or transmission if left unaddressed. Replacing it early can save money on more extensive repairs.
4. **Ease of Installation** Many aftermarket and OEM parts come with clear instructions and are designed for straightforward replacement, often requiring only basic tools. Some may even include wiring harnesses or mounting brackets.
5. **Cost-Effective Alternative to Full Throttle Body Replacement** If the pedal itself is the root cause of the problem (rather than the throttle body or wiring), replacing just the pedal is far cheaper than overhauling the entire throttle system.
6. **Warranty Coverage** Reputable manufacturers offer warranties on their parts, providing peace of mind in case of premature failure. OEM parts may also come with limited warranties from the dealer.
7. **Compatibility with Modifications** If you ve added performance upgrades (e.g., turbocharging, forced induction, or electronic throttle control), a high-quality pedal assembly can better handle increased throttle demands.
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#### **Cons:**1. **Potential Counterfeit or Low-Quality Parts** Purchasing from unknown sellers (especially online marketplaces) risks receiving counterfeit or substandard parts that may fail quickly or not fit properly. Always buy from trusted suppliers (e.g., RockAuto, Summit Racing, or authorized dealers).
2. **Wiring or Sensor Issues** Some accelerator pedals are integrated with position sensors or wiring harnesses. If the original wiring is damaged or the sensor is faulty, replacing just the pedal may not fully resolve the problem, requiring additional diagnostics.
3. **Compatibility with Aftermarket Throttle Bodies** If you ve installed an aftermarket throttle body (e.g., Holley, Edelbrock), the stock pedal may not align correctly with the new throttle plate. A pedal designed for the stock system might need adjustment or a different part entirely.
4. **Installation Challenges** In some vehicles, the pedal assembly is located behind the dashboard or requires removal of the steering column. This may require additional labor or tools, especially for DIYers without experience in this area.
5. **Cost Variability** Prices can range widely depending on the brand and supplier. OEM parts may be more expensive, while budget aftermarket options might lack durability. Researching reviews and comparing prices is essential.
6. **Throttle Response Changes** Some aftermarket pedals (especially performance-oriented ones) may alter the feel of the throttle, which could be jarring for drivers accustomed to the stock response. Testing the part after installation is recommended.
7. **Limited Availability of OEM Parts** OEM parts (e.g., from GM) may be harder to find or more expensive, especially for older vehicle models. Aftermarket parts are often the more practical choice.
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### **Ending Conclusion:**The **76612YHYP accelerator pedal assembly** is a practical and cost-effective solution for addressing throttle-related issues in your 2004-2005 GMC Sierra 3500, provided the problem stems from a worn or failing pedal. It offers a direct fit, improved reliability, and prevents secondary damage to other components. However, potential drawbacks such as the risk of counterfeit parts, wiring/sensor compatibility issues, or installation challenges must be carefully considered.
To mitigate risks, **purchase from a reputable supplier**, verify the part s compatibility with your specific trim (e.g., diesel vs. gasoline, manual vs. automatic), and ensure the pedal aligns with any aftermarket modifications. If the issue persists after replacement, further diagnostics (e.g., throttle body cleaning, sensor testing) may be necessary.
### **Recommendation:**- **Buy from a trusted source** (e.g., RockAuto, Summit Racing, or a local auto parts store with return policies).
- **Check for aftermarket alternatives** (e.g., parts from **PedalPro, Throttle Body Direct, or local performance shops**) if OEM is unavailable or too expensive.
- **Inspect wiring and sensors** before and after installation to rule out related issues.
- **Consider a performance pedal** (e.g., **PedalPro 3000 series**) if you plan to modify throttle response or add forced induction.
- **Follow installation instructions carefully** and consult a mechanic if the job seems complex.
For most drivers, replacing the pedal is a **simple and worthwhile fix** for common symptoms like rough idling, hesitation, or erratic acceleration. However, if the problem recurs, deeper diagnostics (e.g., throttle body cleaning, ECU reprogramming) may be required.
2004 - 2005 GMC Sierra 3500 Base 8.1L V8. Notes: Accelerator Pedal Assembly with Position Sensor; Fixed Pedals, Complete.