SX-3673 DORMAN OE SOLUTIONS Ignition Switch Switches Uz 2500

Review DORMAN OE SOLUTIONS Ignition Switch For Gmc Switches Uz for GMC SIERRA 2500 2003–2004

The Dorman SX-3673 is a high-quality ignition switch specifically designed for select 2003-2004 GMC Sierra 2500 and 2500HD models with UZ transmission. This ignition switch is a direct OEM replacement part, meaning it meets or exceeds the original equipment's specifications in terms of performance, durability, and fitment.

The housing of the ignition switch is made from a robust, engineered thermoplastic material designed to withstand the rigors of heavy-duty use. The switch itself features a smooth, positive action that ensures reliable ignition system engagement every time the key is turned. The switch also includes an illuminated ignition position indicator, allowing the driver to easily identify the switch's position and enhance the vehicle's interior appearance.

The Dorman SX-3673 is engineered to fit securely and precisely in the original equipment location, eliminating the need for any modifications or additional hardware. It comes with a complete wiring harness, making the installation process straightforward and hassle-free. The switch is also designed to be compatible with the vehicle's security system, ensuring that the vehicle remains secure and protected.

The Dorman SX-3673 ignition switch is backed by a comprehensive warranty, providing peace of mind to the customer. The warranty covers any manufacturing defects for a specified period, ensuring that the customer is satisfied with their purchase.

In summary, the Dorman SX-3673 ignition switch is an excellent choice for those in need of a reliable and durable replacement part for their 2003-2004 GMC Sierra 2500 or 2500HD with UZ transmission. Its OEM-quality fitment, smooth action, and illuminated position indicator make it a superior alternative to aftermarket parts, while its comprehensive warranty offers peace of mind to the customer.

Replacing the Ignition Switch on a 2003-2004 GMC Sierra 2500 with a Dorman SX-3673: A Comprehensive Analysis

The ignition switch is a crucial component in any vehicle, as it controls the flow of power from the battery to various systems. When this part fails, it can lead to issues starting the engine, causing inconvenience and potentially stranding you. In this analysis, we will discuss the pros and cons of purchasing and installing the Dorman SX-3673 ignition switch for a 2003-2004 GMC Sierra 2500.

1. Cost-effective: The Dorman SX-3673 is a more affordable alternative to the original equipment manufacturer (OEM) part. This option can save vehicle owners a significant amount of money.

2. OEM-quality: The Dorman SX-3673 is designed to meet or exceed OEM specifications. This means that the switch should function as intended and last just as long as the original part.

3. Availability: Aftermarket parts like the Dorman SX-3673 are often more readily available than OEM parts. This can make the repair process quicker and more convenient for vehicle owners.

1. Potential compatibility issues: While the Dorman SX-3673 is designed to fit and function in the 2003-2004 GMC Sierra 2500, there may be instances where it does not work perfectly. This could be due to minor differences in the design of the vehicle or the part itself.

2. Installation complexity: Although the Dorman SX-3673 is a direct replacement for the OEM part, the installation process can be complex. This is due to the location of the ignition switch and the various wiring connections that must be properly secured.

3. Lack of warranty: While the Dorman SX-3673 is designed to last, there is no warranty provided with the part. This can be a concern for some vehicle owners who prefer the added security of a warranty.

The Dorman SX-3673 ignition switch is a viable and cost-effective solution for replacing the faulty part in a 2003-2004 GMC Sierra 2500. Its OEM-quality design ensures that it will function properly, and its availability makes the repair process more convenient. However, potential compatibility issues, installation complexity, and the lack of a warranty are factors that should be considered before making a purchase.

If you are comfortable with the potential risks and have the necessary tools and expertise to install the Dorman SX-3673 ignition switch, it can be an excellent choice for saving money on a repair. However, if you prefer the added security of a warranty or have concerns about compatibility, it may be worth considering an OEM part or seeking professional installation assistance. Ultimately, the decision comes down to your individual priorities and circumstances.

Details:

Dorman ignition switch for 2003 - 2004 Gmc Sierra 2500 switches uz: status: in stock.

specifications ignitioncomp:

• for models: 2500, Sierra
• for makes: Gmc
• for years: 2003–2004
• brand: Dorman Oe Solutions
• mpn: Sx-3673
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C590 38-58
• placement on vehicle: Ignition Switches
• compatible model: Sierra 2500
• compatible year: 2004 2003
• core charge: Free No Core Charge
• type: Ignition Switch
• universal fitment: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Ignition Switch

seller ignitioncomp:

• city: indianapolis, indiana
• rating: 98.7%
• # reviews: 562067

returns ignitioncomp:

• policy: returns accepted
• paid by: seller
• time: 30 days

payments ignitioncomp:

• credit card: visa
• wallet: apple-pay
• other

shipping ignitioncomp:

• class: standard, expedited
• service: standard, expedited
• type: fixed
• transit: 2-5 days

offer ignitioncomp:

• started: august 6, 2025
• in stock #: 5
• sold #: 16
• options: ship-to-home
• prices: $32.90–$34.74
• item condition: New
• availability: in stock

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components