Fitment: Fits selected models across BMW and Peugeot. Confirm exact fitment before ordering.
Product Description
Ensure the efficient operation of your vehicle's cooling system with the Arrowhead Water Pump Pulley 20X129X23MM. This pulley is a crucial component in the cooling water pump assembly, responsible for driving the water pump via the engine belt system. Proper function of the water pump pulley helps maintain optimal engine temperature during daily driving and demanding conditions.
This Arrowhead water pump pulley is compatible with selected BMW and Peugeot models. It is important to match the pulley dimensions (20x129x23mm) and mounting style to your specific vehicle. Always confirm your model, year, engine size, and engine code before purchasing, as compatibility may vary even within the same make.
Common symptoms of a failing water pump pulley include squealing or grinding noises from the engine bay, visible wobble or misalignment of the pulley, overheating engine, coolant leaks near the water pump, or excessive belt wear. You may also notice the engine temperature rising quickly or the water pump not spinning as it should.
If you observe any of these symptoms, it is advisable to inspect and replace the water pump pulley promptly. Timely replacement prevents further damage to the water pump, drive belt, and associated cooling components, helping to avoid costly repairs down the line.
Order your Arrowhead Water Pump Pulley from MiMi Auto Parts for reliable service and nationwide delivery anywhere in South Africa. Our team is ready to assist with fitment queries to ensure you get the right part for your vehicle.
Common signs this part may need replacement
Squealing or grinding noise from engine bay
Visible pulley wobble or misalignment
Engine overheating
Coolant leaks near water pump
Excessive drive belt wear
Water pump not spinning properly
Unusual vibrations from the front of the engine
Drive belt slipping off the pulley
Sudden loss of coolant circulation
Typical replacement guidance
Replace the water pump pulley if you notice noise, wobble, or visible damage, or during routine water pump or belt servicing. Early replacement ensures continued cooling system reliability and helps prevent further issues.
Why timely replacement matters
A worn or damaged water pump pulley can compromise engine cooling and lead to overheating or belt failure. Timely replacement helps protect your engine and maintains safe operating temperatures.
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
PEUGEOT 2008 I (CU_) 2013 – 2026 1.6 VTi (5FS (EP6C)) – 88 kW / 120 HP
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.