HoltsSpeedflush Coolant Flush, Universal Car Radiator Flush, High Performance Coolant Flush For Radiators & Cooling System, Quick & Easy To Use, Prevents Overheating, Suitable For All Cars, 250ml
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HoltsSpeedflush Coolant Flush, Universal Car Radiator Flush, High Performance Coolant Flush For Radiators & Cooling System, Quick & Easy To Use, Prevents Overheating, Suitable For All Cars, 250ml

4.5/5
Product ID: 49434147
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12 interest-free installments with tabby
šŸ”§Universal fit for all engines
ā±ļøQuick 5-min flush
šŸ›”ļøPrevents overheating

Description

šŸ› ļø Keep your engine cool, your wallet cooler!

  • TRUSTED LEGACY - Backed by 100+ years of Holts expertise, ensuring reliable, professional-grade performance.
  • COST CUTTING CAR CARE - Avoid expensive repairs by maintaining your cooling system with a pro-grade flush.
  • RAPID RADIATOR RESCUE - Flushes out harmful scale & deposits in minutes for instant cooling system revival.
  • EFFORTLESS MAINTENANCE - Simply add, run engine, drain, and refill—no mechanic needed, no hassle.
  • UNIVERSAL COMPATIBILITY - Engineered to work seamlessly with all car makes and models—metal and rubber safe.

Holts Speedflush Coolant Flush is a universal, high-performance radiator cleaner designed to quickly remove scale and deposits, preventing overheating and extending engine life. Easy to use in just minutes, it’s compatible with all car engines and safe for metal and rubber components, backed by over a century of Holts automotive expertise.

Specifications

ManufacturerHOLTS
BrandHolts
ModelLOYRK1R
Product Dimensions4.2 x 7.8 x 14.6 cm; 350 g
Item model numberRK1R
Manufacturer part numberRK1R
Item Weight350 g

Have a Question? See What Others Asked

Can this be mixed with tap water or is distilled water necessary?
can you mix the speed flush in the system with new coolant for long period
Is it possible to flush out 100% of liquid? if not is it ok to have a small amount of holts cleaner left in the cooling system? thanks!
How good is this removing oil from the coolant ?

Reviews

4.5

All from verified purchases

R**R

Good good šŸ‘šŸ½

Thank you 5*+ ā­ļøā­ļø

N**R

Holts radiator flush.

Does what it says and at a good price.

M**N

Think it works well. Can't hurt if your coolant is ancient.

I didn't have any real blockages but used some of this in a 20-year-old car before I changed the radiator.Lots of crusty bits came out with the coolant - but I had to change it again as another job meant draining coolant (and reusing is just jank!) and more definitely came out again. As it happens, the NEXT time I did this it was basically clean; so I wouldn't worry - maybe do a second flush with only coolant/de-ionised water if you are using this.I can't say for certain but the same car has had heating issues since - only half the vents will blow heat. Probably unrelated as I did flush the heater matrix and nothing came out.

M**N

Good product

Great item to use

K**S

Good

Not much I can say, done the job and was easy to do , good quality and was effective

J**B

Might need more time and temperature?

Had mayo in my coolant due to head gasket failure. I followed the instructions and it definitely shifted more muck than a water flush alone, but I think it would be better if run in the engine for longer and at higher temperature to shift any oil stuck. But cheap price so I'll probably buy more and give it another flush when I do the oil next.

W**E

Not much to say. Does as advertised

Does what it says

R**O

does the job well

Does the job well , would recommend

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Secure Transaction
12 interest-free installments with tabby

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Holtsspeedflush Coolant Flush Universal Car Radiator Flush High Performance Coolant | Desertcart UAE