40 Amp 12 Volt Plug-In Relay for Tesla Model S (2012-2021) OEM Part 1009577-00-A

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Payment Terms	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Delivery Time	5-10 work days
Packaging Details	744 one piece,Box
Type	Electric Vehicle Parts
Color	Black
Size	544
Durability	High
Weight	0.04kg
Brand Name	CFN
Model Number	1009577-00-A
Place of Origin	China

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Product Specification


Payment Terms	L/C, D/A, D/P, T/T, Western Union, MoneyGram	Delivery Time	5-10 work days
Packaging Details	744 one piece,Box	Type	Electric Vehicle Parts
Color	Black	Size	544
Durability	High	Weight	0.04kg
Brand Name	CFN	Model Number	1009577-00-A
Place of Origin	China
High Light	40 Amp Plug-In Relay ，12 Volt Relay ，OEM Part 1009577-00-A Relay

CFN Brand 40A 12V Plug-In Relay for Tesla Model S (2012–2021) | 1009577-00-A

If your 2012–2021 Tesla Model S is experiencing electrical glitches—like unresponsive accessories, intermittent power cuts to components (e.g., cabin fans, lighting), or failed system checks—this CFN 40-amp, 12-volt plug-in relay (matching OEM part 1009577-00-A) is the reliable fix to restore stable power distribution. As an engineered replacement (not Tesla OEM), it mirrors the original relay’s electrical specs, plug-and-play design, and load-handling capacity, ensuring seamless integration with Model S’s 12V electrical system.

This relay acts as a “power switch” for critical Model S components: it uses a low-voltage signal to control high-voltage current (up to 40A at 12V), protecting sensitive onboard electronics from direct high-amperage stress. Unlike generic relays that may overheat or fail under load, this CFN part meets the original’s thermal tolerance and contact durability—its copper alloy contacts resist arcing (a common cause of relay burnout) and handle continuous 40A current without degradation, perfect for Model S’s daily electrical demands.

Durability is built for long-term use: the relay’s housing is made of heat-resistant nylon (withstands up to 120°C), preventing damage from under-hood or cabin heat. Its precision-molded plug matches the Model S’s 12V system connector exactly—no wiring modifications needed; just pull out the old relay and push the new one into the socket until it clicks.

Installation takes minutes, no special tools required: Locate the relay in Model S’s electrical junction box (check your owner’s manual for exact placement—typically near the 12V battery or front trunk fuse panel), grip the old relay firmly and pull to remove, then insert the CFN relay into the empty socket. Test the affected component (e.g., turn on the cabin fan) to confirm stable operation.

Note: This 40A 12V relay is exclusive to 2012–2021 Tesla Model S. It won’t fit 2022+ Model S (revised electrical architecture) or other Tesla models (3/Y/X use different ampacity relays). It’s ideal for replacing faulty relays causing electrical malfunctions, ensuring your Model S’s accessories and systems get consistent power.

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2021 
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Company Profile Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd., located in the Guangzhou auto parts business district, adheres to the business philosophy of "quality first, pragmatic innovation, service-oriented, and co creation and win-win", and has estab... Company Profile Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd., located in the Guangzhou auto parts business district, adheres to the business philosophy of "quality first, pragmatic innovation, service-oriented, and co creation and win-win", and has estab...

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Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd.
2-4 Yunquan Zhi Street, Guangyuan East Road, Yuexiu District, Guangzhou City
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