

⛽ Unlock Peak Diesel Performance & Save Green While You’re at It!
Redex Diesel Fuel System Cleaner is a 250ml additive designed to remove harmful deposits from diesel engines, enhancing fuel economy and reducing emissions. Suitable for diesel and hybrid vehicles, it prolongs engine life and improves day-to-day performance with easy, regular use. Backed by over a century of automotive expertise, it’s a trusted solution for maintaining optimal diesel engine health.






| ASIN | B001QLX0TK |
| Best Sellers Rank | 69 in Automotive ( See Top 100 in Automotive ) 2 in Fuel Systems |
| Brand | Redex |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,021) |
| Date First Available | 27 Feb. 2010 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Weight | 230 g |
| Item model number | LOYRADD1201A |
| Manufacturer | AutoMotion Factors Limited |
| Manufacturer part number | RADD1201A |
| Model | LOYRADD1201A |
| Product Dimensions | 7 x 4.3 x 17.6 cm; 230 g |
S**K
A great product that restores power and looks after your engine.
I have another brand of diesel on repeat order every month with Amazon but it went up in price and this was on offer so we had this instead. Did the job perfectly! Our VW T5 camper was losing substantial power on hills, dispite regular oil and filter changes. Using a diesel system cleaner it flys up the hills. Will definitely buy again. No negatives. Just returned from the Brecon Beacon Mountains and the camper went like a dream.
W**.
Really pleased
Excellent quality and value for the money, no issues experienced delivery was spot on would recommend no problem
P**M
Good for Maintenance, But Don’t Expect Big noticeable Changes
I’ve used Redex Diesel System Cleaner a few times in my BMW 1 Series and, to be honest, I haven’t noticed any massive or immediate difference in performance. That said, it’s easy to use, quite cheap, and I still use it occasionally as a preventative maintenance product rather than a performance booster. A few friends have mentioned they’ve noticed improvements in the overall smoothness and running of their cars with regular use, so results may vary depending on the vehicle. For the price, it feels worth using once in a while to help keep the fuel system clean, but don’t expect dramatic changes overnight..
B**D
Cleared Diesel Smell
Used this on my Renault Clio just before the MOT and it made a noticeable difference. The engine ran smoother, and the strong diesel smell that had been lingering was gone after treatment. Easy to use — just pour it in with a full tank. It’s not a fix-all, but for a quick clean-up and emission boost, it did the job nicely. Definitely worth keeping a bottle handy.
A**H
Works on old diesels, better mpg.
I put one of these into my tank every second fill and doing the same commute every day I managed an extra 50miles out of the tank. (VW T4 1.9tdi, usually get 600miles, averaged closer to 650 using this)
D**H
A must have for diesel vehicles
I recently tried the Redex Diesel Fuel System Cleaner, and I have to say, I’m pretty impressed. With a 250ml bottle, it's easy to use, and I appreciated the clear instructions on how to add it to my tank. After using it, I noticed my engine seemed to run more smoothly. It felt like it was breathing better, if that makes sense. My fuel economy has slightly improved, too, which is always a plus! I didn’t experience any rough starts or stalling, and my engine noise was a bit quieter. One thing I really liked was that it didn’t leave any mess or residue; everything seems to work as it should. I’ve tried other fuel cleaners before, but this one feels like it really did the job. Plus, knowing that it helps keep the fuel system clean just gives me peace of mind. Overall, I’d definitely recommend giving the Redex Diesel Fuel System Cleaner a shot, especially if you're looking to enhance your vehicle's performance without any hassle. It’s a solid product that lives up to its claims!
S**A
It’s good, but will it solve all your problems?
So I do have an old 2008 C class, and this does definitely provide a slight boost in performance - making the car feel 10 years newer. I’m not entirely sold on the long term benefits as I feel the performance drops after 1-2 tanks when I stop using it, (I attempted 4 full tanks using redex) and I’ve never noticed a huge difference in noise. I would say in my experience it’s easy to use, and worth the boost in performance when the price is on offer, in most cases I would weigh up how much a premium diesel is vs adding this into a tank of cheap diesel. I am trialing Archoil brand of fuel additive to compare the difference, so I’m curious to see if there are any!
S**D
Decent additive for diesel engines
Brilliant this stuff, added to my fuel tank before the cars MOT... Feel engine less noisy just off 250ml. Recommended.
G**E
Excellent product increase in fuel efficiency noted
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