SAAB 8584591 Rear Defrost Switch FT84-5

( Manufacturer Part Number: 8584591 ), ( Type: Push Button ), ( Color: Black ), ( Vintage Part: Yes )

Review SAAB Rear Defrost Switch fits 900

The SAAB 8584591 900 FT84-5 Rear Defrost Switch is a crucial component in maintaining proper visibility and comfort during cold weather conditions in SAAB 900 vehicles. This switch controls the rear defrost system, which helps to melt the snow and ice accumulated on the rear windshield and rear side windows.

This switch is designed as a compact unit, measuring approximately 2.5 inches in length, 1.5 inches in width, and 1 inch in height. It is mounted on the dashboard, usually located near the heater controls, and is operated using a rotary knob or toggle switch.

The switch has multiple functions. It includes a rear defrost mode, which activates the defrosting elements at the rear of the vehicle. Additionally, there is a rear defogger mode that helps to clear fog from the rear windshield. There is also a rear window heater mode that provides heat to the rear windows to help prevent frost buildup.

The SAAB 8584591 900 FT84-5 Rear Defrost Switch is made of high-quality materials to ensure durability and reliability. It is designed to fit perfectly into the existing wiring harness in the vehicle and is easy to install. It is also designed to work seamlessly with the existing climate control system in the vehicle.

This switch is an essential accessory for those living in areas with harsh winters or frequent snowfall. It helps to ensure a clear view of the road behind the vehicle, enhancing safety and making driving during winter conditions more comfortable and enjoyable.

Overall, the SAAB 8584591 900 FT84-5 Rear Defrost Switch is a must-have accessory for any SAAB 900 vehicle owner who wants to make their winter driving experience safer, more comfortable, and more convenient. It is a high-performing, reliable, and durable component that is easy to install and use.

Buying a SAAB 858/4591 900 FT84-5 rear defrost switch involves considering its potential benefits and drawbacks. Here's a brief analysis.

1. Improved Comfort: A faulty rear defrost switch can lead to uncomfortable driving conditions, especially during harsh winter weather. Replacing it ensures that the rear window defrosts effectively, enhancing your driving experience and visibility.

2. Enhanced Safety: Properly functioning rear defrost system ensures that the rear window is clear of ice and snow, allowing for unobstructed vision while reversing or driving in traffic. This can help prevent accidents caused by reduced visibility.

3. Long-term Cost Savings: Neglecting a faulty rear defrost switch could lead to more significant repair costs down the line. A proactive approach by replacing the switch now can save you from potential future repairs or maintenance issues.

1. Cost: The cost of a new SAAB 858/4591 900 FT84-5 rear defrost switch can be relatively expensive, especially for those on a tight budget. However, it's essential to weigh this cost against the potential risks and inconvenience of driving with a malfunctioning rear defrost system.

2. Installation Complexity: Installing a new rear defrost switch can be a complex process that requires some mechanical knowledge or professional expertise. This could involve additional labor costs or time spent troubleshooting and repairing any related issues.

3. Availability: Finding a new SAAB 858/4591 900 FT84-5 rear defrost switch may require some effort and research. It might not be readily available at local auto parts stores or online retailers, which could add to the overall time and cost of the replacement process.

In conclusion, while the cost and installation complexity of buying a SAAB 858/4591 900 FT84-5 rear defrost switch may be a concern, the benefits of improved comfort, enhanced safety, and long-term cost savings make it a worthwhile investment. If you find yourself driving in harsh winter conditions with a malfunctioning rear defrost system, consider replacing the switch as soon as possible to ensure safe and comfortable driving.

Details:

No push button rear defog/defrost for 1984 and 1985 Saab 900. Tested, new bulb.

part #: 8584591 prices

• $24.95-$44.88

specifications inswico:

• for models: 900
• for makes: Saab
• mpn: 8584591
• type: Push Button
• color: Black
• vintage part: Yes

general inswico:

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

payments inswico:

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

seller inswico:

• rating: 100.0%
• city: Norwalk, Connecticut
• # reviews: 2344

offer inswico:

• started: December 2, 2025
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True

shipping inswico:

• class: Standard, Expedited
• cost: $8.14
• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 3-8 Days
• carrier: USPS

returns inswico:

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

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