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Flex-a-lite Variable Speed Controller and Relay Kit with Thread-In Temperature Sensor, Fan Controller With Temperature Probe (31163), Black
Product ID: 87900688
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Details
- BrandFlex-a-lite
- MaterialMetal Plastic
- Item weight454 g
- StyleModern
- Lower temperature rating160 Degrees
⚡Built-in 45A relay, no external relay needed
⏱️Fans run 25s post-shutdown
🌡️Adjustable temp range 160-240°F
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Description
🌬️ Keep your engine cool, your ride smarter — don’t get left in the heat!
- SMART THERMAL CONTROL - Starts fans at 60% power, ramps to 100% as engine heats up for efficient cooling
- INTEGRATED RELAY POWER - Built-in relay eliminates bulky external components, streamlining your setup
- PLUG PLAY RELIABILITY - Complete kit with fuse, wiring, and terminals backed by a 1-year warranty for peace of mind
- POST DRIVE HEAT MANAGEMENT - Continues fan operation for 25 seconds after shutdown to protect your radiator
- PRECISION TEMPERATURE SENSING - Includes thread-in sensor with multiple adapters for perfect fit and accurate readings
The Flex-A-Lite 31163 Variable Speed Controller is a high-performance automotive fan controller designed for dual-fan systems. Featuring an adjustable activation temperature between 160-240°F, a built-in 45-amp relay, and a thread-in temperature sensor with versatile adapters, it optimizes cooling by starting fans at 60% power and scaling up as needed. It also runs fans for 25 seconds after engine shutdown to prevent overheating. This all-in-one kit includes wiring, fuse, and terminals, ensuring easy installation and reliable operation backed by a 1-year warranty.
Specifications
| Manufacturer | Flex-A-Lite |
| Brand | Flex-a-lite |
| Model | 31163 |
| Item model number | 31163 |
| Exterior | Machined |
| Manufacturer part number | 31163 |
| OEM Part Number | N |
| Special Features | Manual |
| Item Weight | 454 g |
Have a Question? See What Others Asked
I need a replacement temp sensor anyone have a part number?
How many fans is this rated to run at 12 volts each? I have 2 90 watt 12v fans and they don't seem to run at full speed with this switch.
Does this fit cherokee xj 2000?
is this compatable with a flex-a-lite 180?
Common Questions
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Trustpilot
TrustScore 4.5 | 7,300+ reviews
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.
1 day ago
Received my product in pristine condition. Great service overall.
1 month ago
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