GM 3973658 Rear Defrost Switch Defogger Z28
fits model: Lt, Camaro. year: 1970–1978.
( Brand: Gm ), ( Manufacturer Part Number: 3973658 ), ( Part Type: Switch ), ( To Control: Defroster ), ( Vintage Part: Yes ), ( Placement On Vehicle: Rear )
Review GM Rear Defrost Switch Z28 Defogger fits CAMARO LT 1970–1978
1970-1978 Chevrolet Camaro Rear Defrost Switch for Z28 Defogger (GM Part #3973658)
Description:The 1970-1978 Chevrolet Camaro Rear Defrost Switch for Z28 Defogger, specifically part number GM 3973658, is an essential component for maintaining comfort and visibility in your classic Camaro during inclement weather. Designed for use in the Z28 defogger system, this switch enables the rear defrost feature, which helps keep the rear window clear of frost and snow buildup.
This switch is a direct OEM replacement, ensuring a perfect fit and reliable operation for your Camaro. The switch is constructed from high-quality materials, with a durable design that can withstand the demands of regular use. The switch housing is made from a robust, heat-resistant material, while the internal components are carefully engineered for long-lasting performance.
The switch features a user-friendly design, with a simple on/off function that allows you to easily activate the rear defrost feature. A conveniently placed lever on the switch enables you to engage the defrost function with ease, while the off position ensures that the system is conserving energy when not in use.
Installation of this switch is a straightforward process, with clear instructions provided to help guide you through the procedure. Should you encounter any issues during installation, our dedicated team of customer service experts is always on hand to offer assistance and guidance.
By investing in this authentic GM 3973658 rear defrost switch for your 1970-1978 Chevrolet Camaro, you'll not only be enhancing the functionality and comfort of your vehicle, but you'll also be restoring it to its original glory. This switch is a must-have for any Camaro enthusiast looking to preserve the authenticity and performance of their classic muscle car.
In summary, the 1970-1978 Chevrolet Camaro Rear Defrost Switch for Z28 Defogger (GM Part #3973658) is an essential component that not only enhances the functionality and comfort of your classic Camaro but also adds to its authenticity. This switch is a direct OEM replacement, ensuring a perfect fit and reliable operation. Its user-friendly design, durable construction, and straightforward installation process make it an excellent investment for any Camaro enthusiast.
Buying a GM part number 3973658, which is a rear defrost switch for 1970-1978 Camaro Z28 models, can have its advantages and disadvantages, depending on your specific situation. Here are some potential pros and cons:
Pros:1. Functionality: Installing a new rear defrost switch can restore the functionality of the rear defogger in your Camaro, providing comfort and visibility during cold weather conditions.
2. Reliability: A new switch can help ensure the reliability of the defogger system, reducing the likelihood of unexpected issues and potential damage to other components.
3. Improved Safety: The rear defrost system can help clear fog and frost from the rear window, improving safety by enhancing visibility while reversing or driving in adverse weather conditions.
Cons:1. Cost: Replacing a single switch may seem like an unnecessary expense, especially if your car is older or if you're on a tight budget.
2. Availability: Depending on the availability of the part and the shipping time, it may take some time before you receive the switch and can install it in your car.
3. Installation Complexity: Installing a rear defrost switch may require some mechanical knowledge and experience, especially if you're not confident in your ability to work on your car's electrical system.
In conclusion, the decision to buy a new GM part number 3973658 for your 1970-1978 Camaro Z28 depends on your personal preferences and priorities. If you value the added functionality, reliability, and safety of the rear defogger system, and are willing to invest the time and cost, then purchasing the switch may be a worthwhile investment. On the other hand, if the cost and installation complexity outweigh the benefits for you, then it may be best to consider other options or live without the rear defrost feature. Ultimately, the choice is yours to make based on your specific circumstances and priorities.
If you have decided to proceed with the purchase, I would recommend buying the part from a reputable auto parts supplier, ensuring that it is the correct part for your specific vehicle model and year, and carefully following the installation instructions to avoid any potential complications.
Details:
Its placement on the vehicles rear panel adds to its functionality and convenience, making it a desirable item for enthusiasts looking restore or customize their classic Camaro. The 1970-1978 Camaro GM Rear Defrost Switch is a vintage part manufactured by specifically for the rear defroster system in vehicle. This switch, with manufacturer part number 3973658, is designed to control the defroster function and an essential component for maintaining performance of cars interior heating ventilation system.
part #: 3973658 prices
- $24.99-$55.00
specifications inswico:
- for models: Lt, Camaro
- for years: 1970-1978
- brand: Gm
- mpn: 3973658
- part type: Switch
- to control: Defroster
- vintage part: Yes
- placement on vehicle: Rear
seller inswico:
- # reviews: 19166
- rating: 99.0%
- city: Acworth, Georgia
general inswico:
- Car Truck Parts Accessories > Interior Parts Accessories > Switches Controls
- condition: Used
returns inswico:
- time: 30 Days
- paid by: Seller
- policy: Returns Accepted
payments inswico:
- credit card: Visa
- other
- wallet: Paypal
- money order
offer inswico:
- started: February 24, 2026
- quantity: 1
- sold: 0
- best offers: True
- availability: In Stock
- options: Ship-to-home
shipping inswico:
- service: USPS Ground Advantage
- type: Fixed
- class: Standard
- cost: $5.50
- transit: 4-8 Days
- carrier: USPS
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