Get your parts delivered across Australia, with delivery options and costs shown at checkout before you pay. Have a delivery question before ordering? Contact our parts team for help planning your purchase.
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Buy with confidence knowing help is available after your purchase. Eligible items can be returned within 30 days of purchase, and our parts team can guide you through return or warranty enquiries.
The Original Seal-Up Metalic Radiator Sealant 646g - Bluemagic
The Blue Magic Original Seal-Up Metallic Radiator Sealant 646g is a heavy-duty cooling system repair solution designed to permanently seal cracks and leaks in engine components. Trusted by mechanics and DIYers worldwide, this advanced liquid glass and copper formula creates a durable copper-ceramic bond that helps repair leaks in engine blocks, radiators, heater cores and freeze plugs.
Engineered to withstand extreme operating conditions, Seal-Up performs in temperatures up to 2000°F (1093°C) and pressures up to 3000 psi, making it one of the most robust cooling system sealers available. Suitable for both petrol and diesel engines, it works with standard automotive cooling systems to form a tough, long-lasting barrier that helps prevent coolant loss, overheating and further damage. Whether you need an emergency roadside repair or a long-term solution, this pour-and-go formula offers fast, reliable performance without complex installation.
Permanent cooling system sealer
Forms a strong copper-ceramic repair bond
Seals cracks in engine blocks, radiators, heater cores & freeze plugs
Withstands temperatures up to 2000°F (1093°C)
Handles pressures up to 3000 psi
Liquid glass and copper metallic formula
Suitable for petrol & diesel engines
Quick and easy pour-in application
Reliable, durable and built for extreme conditions — Blue Magic Seal-Up provides serious protection when your cooling system needs it most.
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Google Reviews
Posted on Google
Easy to contact. Easy to purchase. Pick up or delivery available. We chose pick up as wanted the item quickly. Staff at shop when picking up were very friendly and helpful. Item is fantastic ( broke discs). Thank you. Will shop again if looking for car parts.
Posted on Google
Tony and the team at Universal Spares have been our go-to parts supplier for many years. Their parts knowledge and problem solving skills are second to none. Staff are always friendly, courteous & happy to help. Always affordably priced. Highly recommended good old fashioned service.
Posted on Google
Absolutely top-notch place for automotive spare parts! They have everything—from the most common items to those hard-to-find parts, all under one roof. Prices are super competitive, often cheaper than anywhere else, and the quality is spot-on.
Posted on Google
They are a professional team who will go above and beyond to make sure you get what you need without the high price. I have found their products to be cheaper and of higher quality than the other big brand auto shop just a few blocks away.
Posted on Google
Every step of my purchase was easy and strait forward , conformation of right part right vehicle, purchase, packaging, delivery very happy thank you.
Posted on Google
All I can say is thanks. Ordered an item from the other side of Sydney that they had in stock and no one else had. Had it delivered to my doorstep in just over an hour at peak times. Champion of a place, highly recommended and a big shout out to Nass.
Posted on Google
Ordered some bits for a ole Honda which were getting hard to find. These guys managed to source and at a good price. I did have to wait but that's understandable given these were a special order.
Posted on Google
Really excellent service, very competitive prices, extensive stock range, goods arrived rapidly and were packed very securely. An impressive customer experience in all respects.
Posted on Google
Been ordering from Universal Auto Spares for a while now, never disappointed. Huge range of parts, quick delivery, and friendly customer service. Belmore is lucky to have a shop like this. Highly recommended.
Posted on Google
Product was delivered very quickly and was very well wrapped to avoid any damage. Product was as described and the site was easy to navigate. Recommend this seller.
Posted on Google
Top service from Universal Auto Spares. The boys there know their parts, prices are solid, and delivery options make everything easy. If you need spares, this is the place to go.
Posted on Google
They are literally the go to for all things Automotive. I've been a long time customer and every time I've needed something other stores had to special order in, they already had in stock. The team there is hands down the best!
Posted on Google
Really excellent service, very competitive prices, extensive stock range, goods arrived rapidly and were packed very securely. An impressive customer experience in all respects.
Posted on Google
These guys are on the ball. Had my item in stock and dispatched it the same day. Very grateful. 5 stars
Posted on Google
All I can say is thanks. Ordered an item from the other side of Sydney that they had in stock and no one else had. Had it delivered to my doorstep in just over an hour at peak times. Champion of a place, highly recommended and a big shout out to Nass. Thanks legend.
Posted on Google
I have yet to have service, and such a fast delivery elsewhere. I will be certainly dealing with Universal Auto Spares again. Very good service. Thanks.
Posted on Google
Description and part exactly what I required, fair price and prompt service definitely will deal with this customer again.
Posted on Google
Fantastic company. Great service and price. Delivery time very good.. They had the product had i was after and in the colour I was after.
Posted on Google
Had what i wanted at a reasonable price and click and collect was easy as. will be back again.
Exclusive promotions, new arrivals, and product launches for car enthusiasts and professionals.
The Original Seal-Up Metalic Radiator Sealant 646g - Bluemagic
The Blue Magic Original Seal-Up Metallic Radiator Sealant 646g is a heavy-duty cooling system repair solution designed to permanently seal cracks and leaks in engine components. Trusted by mechanics and DIYers worldwide, this advanced liquid glass and copper formula creates a durable copper-ceramic bond that helps repair leaks in engine blocks, radiators, heater cores and freeze plugs.
Engineered to withstand extreme operating conditions, Seal-Up performs in temperatures up to 2000°F (1093°C) and pressures up to 3000 psi, making it one of the most robust cooling system sealers available. Suitable for both petrol and diesel engines, it works with standard automotive cooling systems to form a tough, long-lasting barrier that helps prevent coolant loss, overheating and further damage. Whether you need an emergency roadside repair or a long-term solution, this pour-and-go formula offers fast, reliable performance without complex installation.
Permanent cooling system sealer
Forms a strong copper-ceramic repair bond
Seals cracks in engine blocks, radiators, heater cores & freeze plugs
Withstands temperatures up to 2000°F (1093°C)
Handles pressures up to 3000 psi
Liquid glass and copper metallic formula
Suitable for petrol & diesel engines
Quick and easy pour-in application
Reliable, durable and built for extreme conditions — Blue Magic Seal-Up provides serious protection when your cooling system needs it most.
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