Fitment: Fits selected models across Nissan, Opel, and Renault. Confirm exact fitment before ordering.
Product Description
This brand new cooling pressure cap, rated at 1.4 bar, is designed for the expansion tank of select Nissan, Opel, and Renault vehicles. The cap plays a crucial role in maintaining the correct pressure within your vehicle’s cooling system, helping to prevent overheating and coolant loss during daily operation.
Specifically compatible with various models from Nissan, Opel, and Renault, this expansion tank cap is essential for vehicles that require a 1.4 bar pressure rating. Always confirm your vehicle’s model, year, engine size, and engine code before placing an order to ensure the correct fitment for your specific application.
Common symptoms of a faulty expansion tank cap include coolant leaks around the cap or tank, frequent overheating, a collapsed radiator hose, bubbling coolant, loss of coolant without visible leaks, or the smell of coolant inside the cabin. If you notice any of these issues, your pressure cap may need to be replaced.
Replacing a worn or damaged expansion tank cap is a straightforward maintenance task that can prevent more serious engine or cooling system problems. It is recommended to inspect and replace the cap if you observe signs of wear, reduced pressure retention, or after any major cooling system service.
Trust MiMi Auto Parts for reliable cooling system components and enjoy nationwide delivery throughout South Africa. Our team is always ready to assist you in finding the right part for your vehicle.
Common signs this part may need replacement
Coolant leaking from the expansion tank
Frequent engine overheating
Collapsed radiator hoses
Loss of coolant with no visible leaks
Bubbling or gurgling noises in the coolant reservoir
Coolant smell inside the vehicle
Warning lights for engine temperature
Difficulty maintaining correct coolant pressure
Typical replacement guidance
Replace the expansion tank pressure cap if you notice coolant leaks, pressure loss, or signs of overheating. Regular inspection is advised, especially after cooling system repairs or if the cap shows visible signs of wear.
Why timely replacement matters
A faulty pressure cap can lead to engine overheating and coolant loss, risking serious engine damage. Timely replacement helps maintain correct system pressure and reliable engine cooling.
Vehicle Compatibility
This part is confirmed to fit the following vehicles:
NISSAN INTERSTAR Van (X70) 2005 – 2010 dCi 115 (G9U 720|G9U 724|G9U 750|G9U 754) – 84 kW / 115 HP
RENAULT DUSTER (HS_) 2010 – 2026 1.5 dCi (K9K 896) – 81 kW / 110 HP
RENAULT DUSTER (HS_) 2010 – 2026 1.5 dCi 4×4 (HSMC) (K9K 896) – 81 kW / 110 HP
RENAULT DUSTER (HS_) 2010 – 2026 1.5 dCi 4×4 (HSMD) (K9K 856|K9K 858) – 80 kW / 109 HP
RENAULT DUSTER (HS_) 2010 – 2026 1.6 16V (H4M 438) – 84 kW / 114 HP
RENAULT DUSTER (HS_) 2010 – 2026 1.6 16V (HSAT) (K4M 616) – 75 kW / 102 HP
RENAULT DUSTER (HS_) 2010 – 2026 1.6 16V (HSAT) (K4M 616) – 77 kW / 105 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.