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PTC Heater Replacement Electric Cabin Heater for Tesla Model 3(1088218-00)

$379.00 USD
$399.00 USD
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  • Free Shipping:Free standard shipping on orders over $129

  • Returns within 30 Days

Used parts are not refundable. Buyer have to make sure to buy the right part.

As these are used parts, there may be some minor cosmetic flaws, but the functionality is not affected. Please do not purchase if you mind this.

The air conditioner heater in the image is for the Model 3, not the Model X. The actual product may differ slightly from the image; please refer to the physical item you receive.

Restore your Tesla's cabin comfort with this high-efficiency PTC Cabin Air Heater. Engineered specifically for the Tesla Model 3 (2017-2023), this OEM-grade replacement (Part #1088218) ensures rapid defrosting and consistent warmth during freezing winters. Built to withstand extreme thermal cycles, it integrates seamlessly with your vehicle's thermal management system to provide reliable, high-voltage heating performance without compromising battery range.


Key Features

  • OEM Compatibility - Crafted to match OEM 1088218 specifications, it fits Tesla Model 3 perfectly. Ideal for owners seeking a dependable replacement that aligns with the vehicle’s original HVAC setup.
  • Low-Temp Performance - Enables quick cabin heating in cold conditions, complementing the heat pump system. Ideal for Tesla Model 3 drivers in northern U.S. regions with frigid winters.
  • HVAC Synergy - Works smoothly with the vehicle’s existing HVAC system, maintaining stable temperature control. Ideal for those prioritizing consistent comfort during daily commutes.
  • Durable Construction - Built to withstand regular use in varying climates. Ideal for Tesla owners looking for a long-lasting PCT heater to replace worn components.
  • Easy Integration - Designed for hassle-free installation into Tesla Model 3’s heating system. Ideal for independent repair shops and DIY enthusiasts in the U.S.

Installation (High-Voltage Safety):
The PTC heater is supplied by the high-voltage pack and sits inside the HVAC plenum. Replacement requires safely powering down the HV system, removing the frunk tub and cowl plastics, opening the HVAC case, swapping the heater core, and re-sealing the housing. We strongly recommend installation by a technician experienced with Tesla high-voltage systems and Model 3 interior trim removal.


Technical Specifications

Attribute Specification
Compatibility Tesla Model 3 (2017-2023)
OEM Part Number 1088218 / 1088218-00-H
Component Type Positive Temperature Coefficient (PTC) Heater
Voltage Range High Voltage (HV) Compatible
Material Ceramic/Aluminum Composite

This product is specifically designed for Tesla Model 3 vehicles (2017-2021) equipped with a PTC heating system. If your vehicle was manufactured after 2021 and features a heat pump system, please verify that the original equipment part number is 1088218 before placing your order.

Non-Heat Pump Models: This is a mandatory repair part for owners of 2017-2020 Model 3 vehicles.

Heat pump models: Vehicles produced in 2021 and later with heat pumps (identified by updates like battery cover plate and wireless charging in the center console) typically no longer use a separate PTC heater and rely on the heat pump system instead. Before purchasing, confirm whether your vehicle has a heat pump via the vehicle screen: [Control] > [Software] > [More Vehicle Information].

Installation Guide Outline

Caution: This component involves a high-voltage system. It is recommended that a qualified technician perform this work.
Safety Power Disconnection: Execute the “Power Off” procedure on the in-vehicle display and disconnect the 12V low-voltage battery and the high-voltage safety disconnect device (First Responder Loop).

Remove Trim: Remove the passenger-side center console side panel and lower trim panel to expose the HVAC (air conditioning) box.

Disconnect Connectors: Carefully unplug the high-voltage orange wiring harness connector and the low-voltage control signal connector.

Remove Old Part: Unscrew the mounting screws and slide the damaged old PTC heater out of the HVAC box.

Install New Part: Insert the new 1088218 heater into the slot, ensuring the seal is tight. Reconnect the plugs and secure them.

System Test: Reconnect the power supply, start the vehicle, and perform a heating cycle test. Verify no error codes are present (e.g., VCFRONT_a063).

Frequently Asked Questions

Q1: How do I know if my Tesla PTC heater needs to be replaced?

If your Tesla is blowing cold air while in "Heat" mode or you receive an "VCFRONT_a447" alert code, your PTC heater assembly likely requires replacement to restore cabin climate control.

Q2: Is this part compatible with the Model Y or newer Model 3 Refresh?

This specific part (1088218) is primarily designed for the Model 3 produced between 2017 and 2023. Please verify your original part number before purchasing to ensure a perfect match.

Q3: Is part number 1088218 PTC heater compatible with models equipped with a heat pump?

No. Heat pump systems introduced after 2021 employ different heating logic. This product is specifically designed for early Model 3 vehicles with resistive heating systems.

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