MiMi Auto Parts
WATER FLANGE HOSE TO THERMOSTAT, Arrowhead

WATER FLANGE HOSE TO THERMOSTAT

Brand: Arrowhead

SKU: 413011

Category: COOLING, WATER FLANGE

R393,30 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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Fitment: Fits selected BMW models. Confirm exact fitment before ordering.

Product Description

This Arrowhead water flange hose to thermostat is a crucial component in your BMW's cooling system. It connects the water flange to the thermostat, ensuring efficient coolant flow and accurate temperature regulation. The assembly includes a robust plastic water flange with mounting points, a long, curved rubber hose, and an integrated two-pin temperature sensor for precise monitoring.

Designed specifically for selected BMW models, this part is suitable for various F20 and F30 series vehicles equipped with N13 engines, such as 116i, 118i, 120i, 316i, and 320i, manufactured between 2010 and 2016. Always confirm your vehicle's model, year, engine size, and engine code before purchase to ensure correct fitment.

Common symptoms of a failing water flange hose to thermostat include coolant leaks, overheating, erratic temperature readings, and low coolant warning lights. You may also notice visible cracks in the hose, steam from the engine bay, or poor heater performance.

Replace this part if you experience any of these issues, especially if you notice leaks or temperature sensor faults. Timely replacement helps prevent engine overheating and costly damage to other cooling system components.

Order with confidence from MiMi Auto Parts, your trusted source for BMW cooling system parts. We offer nationwide delivery across South Africa, ensuring you receive the right part quickly and reliably.

Common signs this part may need replacement

  • Coolant leaks near the thermostat housing
  • Engine overheating
  • Erratic or inaccurate temperature gauge readings
  • Low coolant warning light
  • Visible cracks or swelling in the hose
  • Steam coming from the engine bay
  • Coolant smell inside or around the vehicle
  • Poor heater performance
  • Frequent need to top up coolant
  • Temperature sensor fault codes

Typical replacement guidance

Replace the water flange hose to thermostat if you notice leaks, cracks, or sensor faults, or during major cooling system maintenance. Timely replacement prevents overheating and ensures your BMW's cooling system operates as intended.

Why timely replacement matters

A faulty water flange hose to thermostat can lead to coolant loss and inaccurate temperature readings, risking engine overheating. Replacing it promptly protects your engine and maintains consistent performance.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW 1 (F20) 2011 – 2019 116 i (N13 B16 A) – 100 kW / 136 HP
  • BMW 1 (F20) 2011 – 2019 118 i (N13 B16 A) – 100 kW / 136 HP
  • BMW 1 (F20) 2011 – 2019 118 i (N13 B16 A) – 125 kW / 170 HP
  • BMW 1 (F20) 2011 – 2019 120 i (N13 B16 A) – 130 kW / 177 HP
  • BMW 1 (F21) 2011 – 2026 116 i (N13 B16 A) – 100 kW / 136 HP
  • BMW 1 (F21) 2011 – 2026 118 i (N13 B16 A) – 100 kW / 136 HP
  • BMW 1 (F21) 2011 – 2026 118 i (N13 B16 A) – 125 kW / 170 HP
  • BMW 1 (F21) 2011 – 2026 120 i (N13 B16 A) – 130 kW / 177 HP
  • BMW 3 (F30, F80) 2011 – 2018 316 i (N13 B16 A) – 100 kW / 136 HP
  • BMW 3 Touring (F31) 2012 – 2019 316 i (N13 B16 A) – 100 kW / 136 HP

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

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