
SMITLEY-337-31-621 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $46.99 | Condition is Used, 2004 GMC Yukon Engine Wiring Harness Fuse Box Bracket Frame, FREE SHIPPING | 99.9% |

The GMC Smitley-337-31-621 engine wiring harness fuse box bracket frame is an essential component for the electrical system of certain GMC Yukon models produced in 2004. This part is specifically designed to securely house and protect the fuse box and associated wiring harnesses, ensuring the reliable operation of various electrical components in the vehicle.
The bracket frame is made from high-quality materials, engineered to withstand the rigors of everyday use. The durability of this component is crucial, as it acts as a protective barrier for the sensitive electrical components it holds. The bracket frame is designed to fit perfectly into the engine compartment of the 2004 GMC Yukon, ensuring a secure and snug fit.
The fuse box is a critical component of the vehicle's electrical system, and the bracket frame provides it with the necessary support and protection. The fuse box contains various fuses, which are responsible for regulating the flow of electrical current to various components in the vehicle. The bracket frame ensures that the fuse box remains securely in place, preventing any potential damage from vibrations or other external forces.
The wiring harnesses that connect to the fuse box are also housed within the bracket frame. These harnesses carry electrical signals between various components in the vehicle, and their proper functioning is essential for the vehicle to operate correctly. The bracket frame protects these harnesses from damage, ensuring that they remain intact and functional.
In summary, the GMC Smitley-337-31-621 engine wiring harness fuse box bracket frame is an essential component for the electrical system of certain 2004 GMC Yukon models. It provides the necessary support and protection for the fuse box and associated wiring harnesses, ensuring their reliable operation and the overall functionality of the vehicle.
Buying a GMC Yukon engine wiring harness fuse box bracket frame (part number: SMITLEY-337-31-621) for a 2004 model can have both advantages and disadvantages, depending on the specific situation. Here are some potential pros and cons:
Pros:1. OEM part: This is an original equipment manufacturer (OEM) part, which means it is designed, manufactured, and tested to meet the exact specifications of your vehicle by the automaker.
2. Proper fit: Since it is an OEM part, it is guaranteed to fit your 2004 GMC Yukon perfectly, eliminating the need for modifications or adjustments.
3. Improved reliability: Replacing a faulty or damaged engine wiring harness fuse box bracket frame with a new OEM part can help ensure the reliability and longevity of your vehicle's electrical system.
4. Enhanced safety: A faulty electrical system can lead to various safety issues, such as malfunctioning airbags or faulty brake lights. Replacing the faulty part with a new OEM one can help mitigate these risks.
Cons:1. Cost: OEM parts tend to be more expensive than aftermarket parts due to their higher quality and manufacturing costs.
2. Availability: Depending on the supplier or dealer, availability of OEM parts may be limited, especially for older models like the 2004 GMC Yukon.
3. Installation: Installing an engine wiring harness fuse box bracket frame may require some technical knowledge and skills, which could add to the overall cost if you choose to have it installed by a professional.
In conclusion, the decision to buy a GMC Yukon engine wiring harness fuse box bracket frame (part number: SMITLEY-337-31-621) for a 2004 model depends on your individual circumstances. If you prioritize the reliability, safety, and proper fit of an OEM part, then purchasing this part may be the best choice for you, despite the higher cost. However, if you're on a tight budget, you may want to consider purchasing an aftermarket part instead. Ultimately, it's important to weigh the pros and cons carefully before making a decision.
Details:
Notes of the part or noticeable wear -, scuffs, scratches, dirty, broken tab, crack. Vehicle engine size: Na. Vehicle make: Gmc.
Vehicle year: 2004. View other parts from this vehicle. View other parts for this year make and model. Vehicle model: Gmc Yukon.
specifications perfoelectric:
- for models: Yukon
- for years: 2004
- brand: Gmc
- mpn: Smitley-337-31-621
- part type: Wiring Fuse Bracket Engine Harness Box Frame
shipping perfoelectric:
- class: standard
- service: standard
- type: fixed
- transit: 5-9 days
payments perfoelectric:
- credit card: discover
- other
- wallet: apple-pay
seller perfoelectric:
- city: orrville, ohio
- # reviews: 668
- rating: 99.8%
returns perfoelectric:
- time: 30 days
- paid by: buyer
- policy: returns accepted
general perfoelectric:
- category: Auto Parts > Electrical Components
offer perfoelectric:
- availability: in stock
- started: may 25, 2025
- price: $46.99
- item condition: Used
- in stock #: 1
- options: ship-to-home
- sold #: 29
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