GMC TRUCK TGMC1500 Headlight Switch 251.GM9575 1/1

( Brand: Gmc Truck ), ( Manufacturer Part Number: TGMC1500 ), ( Part Type: Headlight Switch ), ( Conditions Options: N//a ), ( Genuine Oem: Yes ), ( Ipn: 251.gm9575 ), ( Year: 1975 )

Review GMC TRUCK Headlight Switch Oem 1-1 fits SIERRA 1500 1973–1980

The GMC 251.GM9575 1-1 headlight switch for select 1500 Sierra models from 1973 to 1980 is an essential component of your vehicle's electrical system. This headlight switch not only controls the parking and driving lights but also activates the turn signals and windshield wipers.

Designed with durability in mind, this headlight switch is constructed with high-quality materials to ensure long-lasting performance. The switch features a robust, chrome-plated metal knob that not only adds an aesthetic touch to your dashboard but also offers a comfortable grip for easy use.

The switch mechanism is engineered to be precise and responsive. It offers multiple positions, including the parking lights position, the turn signal position, and the headlamp position. The headlamp position offers two settings - a dim position for normal driving conditions and a bright position for poor visibility.

The GMC 251.GM9575 headlight switch is manufactured to meet or exceed OEM specifications to ensure a perfect fit and function. It's important to note that due to the age of the vehicles it's designed for, the original headlight switch may have worn out or malfunctioned, causing issues with the vehicle's electrical system. Replacing it with a new, high-quality headlight switch like this one can help restore your vehicle to its optimal performance.

In conclusion, the GMC 251.GM9575 1-1 headlight switch for 1973 to 1980 Sierra 1500 models is a crucial replacement part for maintaining the electrical functionality of your vehicle. Its durable construction, precise mechanism, and OEM-grade performance make it an ideal choice for restoring the functionality and aesthetic appeal of your dashboard.

Pros and Cons of Buying a GMC Sierra 1500 Headlight Switch (1-1)

The GMC Sierra 1500 is a popular vehicle known for its durability and reliability. However, like any other vehicle, parts may need to be replaced over time. One such part is the headlight switch. In this article, we will discuss the pros and cons of buying a GMC Sierra 1500 headlight switch (1-1) to help you make an informed decision.

1. Availability: Aftermarket headlight switches for the GMC Sierra 1500 are readily available from various sources, including auto parts stores and online retailers.

2. Affordability: Aftermarket headlight switches are generally less expensive than OEM (Original Equipment Manufacturer) switches, making them a cost-effective solution.

3. Convenience: Buying an aftermarket headlight switch can save you time and money, as you can install it yourself without having to visit a dealership or pay for labor costs.

4. Variety: Aftermarket headlight switches come in different styles and designs, allowing you to choose one that best fits your preferences.

1. Quality Concerns: Some aftermarket headlight switches may not match the OEM quality, which could lead to issues such as flickering lights or premature failure.

2. Compatibility: Ensure that the aftermarket headlight switch you choose is compatible with your specific vehicle model and year to avoid any potential issues.

3. Warranty: Aftermarket parts, including headlight switches, usually do not come with the same level of warranty coverage as OEM parts.

In conclusion, buying an aftermarket GMC Sierra 1500 headlight switch (1-1) offers several advantages, such as convenience, affordability, and availability. However, it also comes with potential drawbacks, such as quality concerns and compatibility issues. To mitigate these risks, ensure that you purchase the switch from a reputable supplier and verify its compatibility with your vehicle. Ultimately, the decision to buy an aftermarket headlight switch depends on your specific needs, preferences, and budget.

If you are comfortable with the potential risks and want to save time and money, buying an aftermarket GMC Sierra 1500 headlight switch (1-1) from a reputable supplier can be a good option. However, if you prioritize OEM quality and warranty coverage, consider purchasing an OEM headlight switch from a dealership. Regardless of your choice, make sure to follow proper installation instructions to avoid any potential issues.

Details:

Part Number:N//A. Lowest Prices Quality. MENU Store Support. Part Being Sold:HEADLIGHT SWITCH.

Donor Vehicle:1975 GMC SIERRA 1500 350CT.

specifications othercarlight:

• for models: 1500, Sierra
• for makes: Gmc
• for years: 1973-1980
• brand: Gmc Truck
• mpn: Tgmc1500
• part type: Headlight Switch
• conditions options: N//a
• genuine oem: Yes
• ipn: 251.gm9575
• year: 1975

returns othercarlight:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments othercarlight:

• credit card: Visa
• wallet: Google-pay
• other

offer othercarlight:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: February 20, 2026

seller othercarlight:

• # reviews: 25755
• rating: 99.7%
• city: Mamou, Louisiana

shipping othercarlight:

• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• transit: 5-8 Days
• class: Standard
• type: Fixed

general othercarlight:

• Car Truck Parts Accessories > Interior Parts Accessories > Switches Controls
• condition: Used

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