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CFN Brand Water Pump for Tesla Model 3/Model Y (2017–2023) | 1088245-00-J
If your 2017–2023 Tesla Model 3 or Model Y is showing signs of a failing water pump—such as overheating (visible on the touchscreen), unusual whining/bubbling noises from the front of the vehicle, or reduced battery range (due to inefficient thermal management)—this CFN water pump is the critical component to restore your Tesla’s cooling system functionality. As an engineered replacement (not Tesla OEM), it’s built to match the original 1088245-00-J pump’s specifications: from flow rate and voltage compatibility to mounting points and connector type, ensuring seamless integration with Model 3/Y’s electric vehicle (EV) cooling system.
Why This Water Pump Matters for Your Tesla
Unlike traditional gas-powered cars, Tesla’s Model 3/Y relies on a closed-loop liquid cooling system to regulate temperatures for three critical components: the high-voltage battery, electric motor, and power electronics. The water pump is the “heart” of this system—it circulates coolant through hoses and heat exchangers to prevent overheating (which can damage the battery or reduce motor efficiency) and maintain optimal operating temperatures (even during fast charging or highway driving). This CFN pump mirrors the OEM’s 5.2L/min flow rate and 12V operating voltage, ensuring it delivers the exact coolant pressure needed to keep your Tesla’s systems running smoothly—no under-circulation (risking overheating) or over-circulation (wasting energy).
Durability & Performance Tailored to EV Needs
EV water pumps face unique demands (constant operation during charging, exposure to high-voltage systems), so this CFN pump is built with Tesla-specific durability in mind:
Motor & Housing: A brushless DC motor (same as OEM) eliminates friction-related wear, delivering a 50,000+ hour lifespan (far longer than brushed motors in generic pumps). The housing is made of glass-reinforced nylon, which resists corrosion from coolant and stands up to extreme temperatures (-40°C to 120°C)—critical for withstanding winter cold and summer heat.
Sealing & Compatibility: EPDM rubber gaskets (pre-installed) create a leak-proof seal with Model 3/Y’s coolant hoses, preventing coolant loss (a common cause of sudden overheating). The pump’s electrical connector is a direct match for the OEM wiring harness—no splicing or adapter needed, reducing installation time and error risk.
Thermal Efficiency: Precision-machined impellers ensure consistent coolant flow, even at low speeds (e.g., during idle charging), keeping the battery within its ideal 25–40°C range to preserve long-term battery health and range.
Straightforward Installation (DIY or Professional)
While EV cooling systems require caution (due to high voltage), this pump is designed for hassle-free replacement:
Safety First: Disconnect the 12V battery and wait 10 minutes to discharge residual power (follow Tesla’s service guidelines for Model 3/Y).
Access the Pump: Locate the pump in the front trunk (frunk) compartment (mounted near the driver-side headlamp) and remove the plastic cover and coolant hoses (use a clamp tool to loosen hose clamps).
Swap the Pump: Remove the 3 mounting bolts holding the old pump, disconnect the electrical connector, and install the CFN pump in reverse order. Reconnect hoses (ensure gaskets are seated) and refill the cooling system with Tesla-approved coolant (G-48 ethylene glycol).
Test: Reconnect the 12V battery, start the vehicle, and check for leaks—then monitor the touchscreen’s temperature gauge to confirm coolant is circulating properly.
Key Compatibility Note
This water pump is exclusively for Tesla Model 3 (2017–2023) and Model Y (2020–2023). It will not fit 2024+ Model 3/Y (revised cooling system design) or other Tesla models (Model S/X use larger pumps). It’s ideal for replacing a failed OEM pump, fixing coolant leaks, or proactively upgrading an aging pump (common in high-mileage 2017–2019 Model 3s) to avoid unexpected breakdowns.
By restoring your Tesla’s cooling system to OEM standards, this CFN water pump ensures your Model 3/Y stays reliable, maintains its range, and protects its most valuable components—battery and motor—for years to come.
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...
