Penrite 8 Year 500,000km Red Coolant Premix 5L - COOLREDPMX005
Penrite Red OEM uses organic additive technology with silicate (Si-OAT) based inhibitors that doesnt contain amine, borate, phosphate and nitrite to provide excellent corrosion resistance and to extended service life up to 8 years or 500 000 km, whichever comes first. It is compatible with all plastics, rubbers and seals and will protect all surfaces from corrosion including aluminium and copper. Penrite Red OEM coolant is premixed with demineralised water at a ratio of 1:1 or 50% by volume offering the best coolant performance and corrosion protection. Penrite Red OEM coolant is also safe to mix with compatible types of Type A coolants. The mixing of coolant types and brands is not preferred practice. For top ups, ensure you select the same type/brand of coolant that your vehicle is currently using or select a coolant that is designed to be mixed. If you are performing a complete service or refill, ensure the system is thoroughly cleaned of existing coolant by using a radiator flush. A radiator flush will help remove built up sludge, scale and corrosion while also neutralising any existing coolant left behind, preparing the cooling system for a fresh, clean refill. To find the correct coolant suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.
Penrite Red OEM uses organic additive technology with silicate (Si-OAT) based inhibitors that doesnt contain amine, borate, phosphate and nitrite to provide excellent corrosion resistance and to extended service life up to 8 years or 500 000 km, whichever comes first. It is compatible with all plastics, rubbers and seals and will protect all surfaces from corrosion including aluminium and copper. Penrite Red OEM coolant is premixed with demineralised water at a ratio of 1:1 or 50% by volume offering the best coolant performance and corrosion protection. Penrite Red OEM coolant is also safe to mix with compatible types of Type A coolants. The mixing of coolant types and brands is not preferred practice. For top ups, ensure you select the same type/brand of coolant that your vehicle is currently using or select a coolant that is designed to be mixed. If you are performing a complete service or refill, ensure the system is thoroughly cleaned of existing coolant by using a radiator flush. A radiator flush will help remove built up sludge, scale and corrosion while also neutralising any existing coolant left behind, preparing the cooling system for a fresh, clean refill. To find the correct coolant suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.
Penrite Red OEM uses organic additive technology with silicate (Si-OAT) based inhibitors that doesnt contain amine, borate, phosphate and nitrite to provide excellent corrosion resistance and to extended service life up to 8 years or 500 000 km, whichever comes first. It is compatible with all plastics, rubbers and seals and will protect all surfaces from corrosion including aluminium and copper. Penrite Red OEM coolant is premixed with demineralised water at a ratio of 1:1 or 50% by volume offering the best coolant performance and corrosion protection. Penrite Red OEM coolant is also safe to mix with compatible types of Type A coolants. The mixing of coolant types and brands is not preferred practice. For top ups, ensure you select the same type/brand of coolant that your vehicle is currently using or select a coolant that is designed to be mixed. If you are performing a complete service or refill, ensure the system is thoroughly cleaned of existing coolant by using a radiator flush. A radiator flush will help remove built up sludge, scale and corrosion while also neutralising any existing coolant left behind, preparing the cooling system for a fresh, clean refill. To find the correct coolant suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.
Penrite Red OEM uses organic additive technology with silicate (Si-OAT) based inhibitors that doesnt contain amine, borate, phosphate and nitrite to provide excellent corrosion resistance and to extended service life up to 8 years or 500 000 km, whichever comes first. It is compatible with all plastics, rubbers and seals and will protect all surfaces from corrosion including aluminium and copper. Penrite Red OEM coolant is premixed with demineralised water at a ratio of 1:1 or 50% by volume offering the best coolant performance and corrosion protection. Penrite Red OEM coolant is also safe to mix with compatible types of Type A coolants. The mixing of coolant types and brands is not preferred practice. For top ups, ensure you select the same type/brand of coolant that your vehicle is currently using or select a coolant that is designed to be mixed. If you are performing a complete service or refill, ensure the system is thoroughly cleaned of existing coolant by using a radiator flush. A radiator flush will help remove built up sludge, scale and corrosion while also neutralising any existing coolant left behind, preparing the cooling system for a fresh, clean refill. To find the correct coolant suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.
in 10 offers
The lowest price for Penrite 8 Year 500,000km Red Coolant Premix 5L - COOLREDPMX005 right now is $14.25 at gssautoparts.com.au, compared across 10 retailers.
The all-time low was $13.79 on 28 June 2026 — today's price is 3% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 19 July 2026.
Last updated at 19/07/2026 12:16:06
Penrite Red OEM Coolant Premix 1L COOLREDPMX001
Delivery $15.22
PENRITE 8 YEAR 500,000km RED PREMIX COOLANT 1L COOLREDPMX001
Free delivery between 23–27 July
Penrite Red OEM Coolant Premix 1L COOLREDPMX001 fits Fiat 500 C 1.3 D Multijet (312CXB1A) 169 A1.000 FWD Diesel Convertible 09/09-12/09 55kw
Delivery between 20–30 July $10.95
Red OEM Coolant Premix - Penrite 1L
Delivery $14.95
Penrite 8 Year 500,000km Red Coolant Premix 1L - COOLREDPMX001
Delivery $9
Penrite Red Long Life Anti Freeze / Anti Boil Premix Coolant 1L - COOLREDPMX001
Penrite Red OEM Coolant Premix 1 Litre
Delivery $0
Penrite Red Oem Premix Engine Coolant 1L, COOLREDPMX001
Delivery between 24–27 July $15
Penrite Red Long Life Anti Freeze / Anti Boil Coolant Premix - 1 Litre
Delivery between 22–27 July $9.99
1 x Penrite Red OEM Coolant Premix Engine Coolant 1L - COOLREDPMX001
Delivery between Wed – Fri $15
originally posted on supercheapauto.com.au
Great product although capacity level according to the website was off for my BT50. Bought 3 bottles and only went through 1.5 of them. Will definitely use this over concentrate, less mess
originally posted on supercheapauto.com.au
Like the oil I reviewed before, it does what it is supposed to do. It matches the colour of coolant hat my car uses which is good. Being a premix means it is easy for anyone to use. None of that "how much do I need to mix to top up my radiator and overflow tank" nonsense. It keeps the engine cool with help from the radiator and the rest of the cooling system.
originally posted on supercheapauto.com.au
Easy and convenient product and great to have onboard when travelling long distances especially towing a caravan
| Premix/Concentrate | Premix 50% |
| Mixing Ratio | 50% |
| Temperature Range (50% Mix) | Freeze -38°C, Boil 109°C |
| Smart | MB-Approval 325.6 (from 05/2014) |
Penrite Red OEM Coolant Premix 1L COOLREDPMX001
Delivery $15.22
PENRITE 8 YEAR 500,000km RED PREMIX COOLANT 1L COOLREDPMX001
Free delivery between 23–27 July
Penrite Red OEM Coolant Premix 1L COOLREDPMX001 fits Fiat 500 C 1.3 D Multijet (312CXB1A) 169 A1.000 FWD Diesel Convertible 09/09-12/09 55kw
Delivery between 20–30 July $10.95
Red OEM Coolant Premix - Penrite 1L
Delivery $14.95
Penrite 8 Year 500,000km Red Coolant Premix 1L - COOLREDPMX001
Delivery $9
Great product although capacity level according to the website was off for my BT50. Bought 3 bottles and only went through 1.5 of them. Will definitely use this over concentrate, less mess
Like the oil I reviewed before, it does what it is supposed to do. It matches the colour of coolant hat my car uses which is good. Being a premix means it is easy for anyone to use. None of that "how much do I need to mix to top up my radiator and overflow tank" nonsense. It keeps the engine cool with help from the radiator and the rest of the cooling system.
Easy and convenient product and great to have onboard when travelling long distances especially towing a caravan
The child safety cap was broken. Had to cut a hole in the bottle and pour into a different fluid container before bleeding my cooling system. Was a bit messy and wasted some of the coolant in the process. Other than that the product itself is great can't go wrong with penrite
On point. Rather spend $20-30 more on these things than hundreds on preventable repair bills.
Excellent choice of coolant, its hard wearing and long lived. Have used a selection of coolants between extended services and have never had any problems with the red premix. Has excellent anti corrosion properties and cools the car cool and from freezing in the cooler regions of Australia. Recommended for all performance and grand touring applications.
Like Penrite oil their coolant is second to none it’s the best made in Australia by Australian people keep it local great long life great product
We suspected our coolant was level down just before taking a long journey. The first place we thought of was Supercheap, we parked up, checked and sure enough. The staff were very helpful, we saw exactly what we needed and were able to top up in the carpark and get on with it. The product itself did exactly what we wanted it to. 395km later the engine was purring like a kitten and loved the open road.
My most favourite coolant that I run in every car and will continue to turn back to. Ready to pour straight in without the fuss of having to mix with water and work out ratios
Penrite products speak for themselves. I bought this to top up the coolant in my European car following a low coolant message on the dash cluster. Works as intended and car is running smoothly once again. This premix coolant blends well with existing (red) coolant.
| Premix/Concentrate | Premix 50% |
| Mixing Ratio | 50% |
| Temperature Range (50% Mix) | Freeze -38°C, Boil 109°C |
| Smart | MB-Approval 325.6 (from 05/2014) |
