That misconception is costing drivers money.

Modern coolant does far more than stop water from freezing, as tap water alone can be detrimental to radiators and other cooling system components. It raises the boiling point of the coolant, protects against corrosion, lubricates components like the water pump, thermostat, pressure caps, and helps prevent overheating in harsh operating conditions. In a country known more for heat than cold, that protection matters year-round.

One of the biggest mistakes motorists make is topping up with plain tap water. Water alone offers no corrosion protection and the minerals and chemicals found in tap water can cause scale build-up inside radiators and engine passages. Over time, this reduces cooling efficiency and increases the risk of overheating and costly engine damage.

Another common myth is that all coolants are the same. They are not. Different antifreeze manufacturers use different coolant technologies and mixing incompatible products can create sludge, corrosion or reduced protection. Motorists should always follow manufacturer recommendations and compatibility guidelines.

Drivers will also notice different mix ratios such as 50/50 or premix. These refer to the balance between antifreeze and water. A 50/50 premix is the most common recommendation for daily driving, providing effective temperature control and corrosion protection with no additional water required. Concentrated coolant should always be mixed with distilled or demineralised water before use, unless otherwise specified.

South African driving conditions place enormous strain on cooling systems. Long-distance travel, heavy traffic, high temperatures, towing, and stop-start taxi operations all increase the importance of using quality coolant.

Cheap, low-quality coolant may save money initially, but poor formulations can lead to expensive repairs later. Replacing a radiator, water pump, head gasket or cylinder head costs far more than maintaining the cooling system properly from the start.

Antifreeze is not just a winter product. It is an essential year-round engine protection fluid and one of the simplest ways motorists can extend the life and reliability of their vehicles.

What Are OEM Parts?

OEM stands for Original Equipment Manufacturer. OEM parts are made by the same manufacturer that produced the parts originally installed in your vehicle when it left the factory. These parts are designed specifically for your vehicle’s make and model and are built to the exact specifications set by the vehicle manufacturer.

Key Characteristics of OEM Parts:

• Designed to match factory specifications exactly
• Guaranteed fit and compatibility
• Often come with a manufacturer-backed warranty
• Typically more expensive than aftermarket alternatives

OEM parts are often chosen by drivers who want absolute peace of mind, especially for newer vehicles or repairs that require precise tolerances.

What Are Aftermarket Parts?

Aftermarket parts are produced by independent manufacturers rather than the original vehicle manufacturer. These parts are designed to fit and function in a wide range of vehicles and often offer more variety in terms of price, quality, and performance options.

Key Characteristics of Aftermarket Parts

• Manufactured by third-party suppliers
• Usually more affordable than OEM parts
• Wide range of brands and quality levels available
• Often equal to or better than OEM in performance

Many aftermarket manufacturers specialise in specific components and invest heavily in research and testing, which can result in parts that meet or exceed OEM standards.

Quality and Reliability

A common misconception is that aftermarket parts are lower quality than OEM parts. In reality, quality depends on the brand and the supplier. Reputable aftermarket brands often supply parts to vehicle manufacturers themselves and adhere to strict quality controls.

The key is choosing parts from trusted suppliers that meet industry standards. High-quality aftermarket parts can deliver excellent durability, reliability, and performance at a more competitive price.

Cost Considerations

OEM parts are generally more expensive due to brand premiums and limited sourcing options. Aftermarket parts are typically more cost-effective because of competitive manufacturing and wider availability.

For older vehicles or routine maintenance, aftermarket parts often provide the best value without compromising safety or performance.

Warranty and Insurance

Many drivers worry that using aftermarket parts will void their vehicle warranty. Under South Africa’s Right to Repair guidelines, introduced to promote fair competition in the automotive aftermarket, you have the legal right to choose where you service your vehicle and which parts are used – including non-original or matching parts – without your warranty automatically being voided.

Which Option is Right for You?

The choice between OEM and aftermarket parts depends on several factors, including your vehicle’s age, your budget, and how you use your vehicle.

OEM parts may be best if:

• You want an exact factory match
• The repair is highly specialised

Aftermarket parts may be best if:

• You are looking for better value for money
• You want more choice in brands and performance levels

At AutoZone, we believe informed choices lead to better vehicle care. That is why we offer a wide range of trusted aftermarket parts that deliver quality, reliability, and value. Our team is always available to help you choose the right parts for your vehicle and driving needs.

If you are unsure which option is best, visit your nearest AutoZone branch or visit the Right to Repair website: https://www.right2repair.org.za/.

In our handy guide below, we discuss the differences between OEE and OEM parts, as well as pros & cons for each:

What are OEM automotive parts?

OEM parts are custom engineered by the vehicle manufacturer for a particular make and model of car. They’re produced to match the specifications of the vehicle with absolute precision and are often the only components offered by proprietary car dealerships.

What are OEE car parts and components?

OEE vehicle parts are often not made by the original manufacturer of a vehicle. Instead, what characterises them is that they’re made specifically for sale after a vehicle has been sold. This includes replacement parts and accessories, other than those designed to be included in a new vehicle at the time of its sale.

OEE parts may be produced by third-party manufacturers and can be designed for a diverse range of vehicles. As a result, the fitment and quality of OEE spares and components are not standardised. Despite not being recognised as being equivalent to OEM parts in terms of quality and functionality, OEE car parts are usually cheaper.

Advantages of OEM car parts

OEM parts supply you with the perfect match for your vehicle. Additionally, there is only one OEM component of a particular kind for your car, which means there is no need to compare the quality and price of dozens of different variants.

Typical disadvantages of OEM spares and parts

OEM parts can be pricey – expect to pay up to 60% more for OEM automotive parts than for generic OEE parts. Furthermore, OEM components are not always of a superior quality when compared to OEE components.

Potential advantages of OEE parts

The main advantage of most OEE parts is that they are a more cost-effective option when compared to OEM parts. Also, OEE parts are much more widely available. This is thanks to the fact that they are not limited to use by a select amount of authorised dealerships, who will often charge inflated prices. With OEE parts, customers can choose where they have their vehicles serviced, repaired or customised based on their budget.

Potential disadvantages of OEE parts

It is important to note that not all aftermarket parts are created equal. If you don’t stick with well-known, trusted brands, there’s the risk that you’ll end up with an inferior part – which may perform poorly or fail – compromising the performance and safety of your car. As a result, it’s important to choose only OEE spares and components made by reliable brands.

As long as the seller can provide traceability and integrity of the parts, the consumer is not at risk. For further information about how customers can protect themselves and ensure they are purchasing genuine auto parts, find out more via RightToRepair – https://bit.ly/40knB1y

Where to buy the best OEE parts for your car

AutoZone stock a comprehensive range of high-quality OEE automotive spares, parts and components from leading brands. Race on down to your nearest store to browse our range of products that are compatible with the majority of vehicle makes and models on South African roads today – https://bit.ly/2NgaKZn

INDEMNITY: These hints and tips are for information purposes only. For more details please consult the relevant workshop manual for your vehicle. Neither Auto Parts Distributors Pty (Ltd) nor any of the AutoZone outlets will be held liable for any damage or injury whatsoever resulting from the use of the information contained in this pamphlet.

A gasket is a mechanical seal that fills the space between two or more surfaces that are joined together to generally prevent leakage from or into the objects while under compression. Gasket sealers are used to hold the gasket in place between the flanges, reinforcing both the joint’s integrity and strength. Q-Bond have revolutionized the way gasket sealers work by innovatively creating a silicone based RTV flange sealant that combines medium viscosity, high strength with high flexibility to produce a stronger, more reliable adhesion product.

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