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Volume
18 ml
5,000 ml
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Additives reviews and tests

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Hundreds of categories, thousands of products, millions of details and user reviews for additives. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from additives rank are based solely on various data and feedback from actual people who have purchased the products.

328 Results
4.9 27×
Millers Oils Diesel Power ECOMAX 500 ml
Additive Substance for diesel - volume 500 ml
689,-
1,378 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR294531
4.7 51×
K2 DPF 50 ml - fuel additive, regenerates and protects filters
Additive Substance fuels for vehicles with DPF, bottle content suitable for 40-60l diesel fuel
79,-
1,580 Kč/l
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR326733
4.7 49×
LIQUI MOLY Oil additive 300ml
Additive Substance - additive for smooth operation of the whole unit
Buy with code ALZADNY5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky. 275,-
Discounted -26 % 289,- 393,-
963 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2635
4.9 26×
VELVANA Velfobin petrol treatment / anti-freeze water in petrol - 450ml
Additive Substance for gasoline treatment / anti-freezing water in gasoline - 450ml
98,-
218 Kč/l
Currently Unavailable
Order Code: AUPR277660
4.7 54×
K2 DIESEL 50 ml - fuel additive
Additive Substance - reduces fuel consumption, restores performance
from  65,-
1,560 Kč/l
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2390
4.7 48×
STP Additive for emission reduction - diesel 400ml
Additive Substance - removes deposits from the fuel system, cleans engine components, significantly reduces emissions
199,-
498 Kč/l
Currently Unavailable
Order Code: AUPR241062
4.7 50×
SHERON Fuel system cleaner - petrol 250 ml
Additive Substance - powerful formula that helps to restore your vehicle's fuel system to its maximum performance, helps by cleaning the carburettor, intake vaqlves, combustion chambers, valve guides and piston tops
119,-
476 Kč/l
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241074
4.8 37×
Millers Oils Petrol Power ECOMAX 500 ml
Additive Substance for petrol - volume 500 ml
689,-
1,378 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR294532
4.6 93×
K2 DOCTOR CAR SPEC - oil additive, 443ml
Additive Substance New generation product consisting of a special synthetic friction reducer ZDPP (ZineDithioPhosPhate). Seals motor, reduces excess oil combustion and thus reduces exhaust smoke, increased compression, reduces engine noise due to the reduced friction and prolongs its životnost.Je suitable for all engine types: petrol, diesel, LPG, CNG.
from  123,-
336 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2377
4.6 67×
METABOND Megasel Plus diesel additive 250ml
Additive Substance - for diesel engines of all types (direct fuel injection, particulate filter, etc.), can be used in diesel turbines, oil burners and steam boilers
719,-
2,876 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2567
4.5 166×
Autoprofi Catalytic converter and lambda sensor cleaner 250ml
Additive Substance for diesel, petrol - winter and summer, catalytic converter and lambda sensor cleaner, dissolves deposits, volume 250 ml
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 332,-
369,-
1,476 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR264053
4.8 33×
METABOND CL engine cleaner (rinse) 250ml
Additive Substance - To clean and decarbonise internal parts of internal combustion engines, transmissions and differentials
419,-
1,676 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2565
4.9 21×
STP Winter diesel additive with Anti-gel 200ml
Additive Substance - prevents fuel freezing, fights corrosion and sediment
159,-
795 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241056
4.8 33×
LIQUI MOLY Wear protection 125ml
Additive Substance - reduces friction, improves engine performance, saves fuel
Buy with code ALZADNY5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky. 256,-
269,-
2,152 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2624
4.7 37×
SONAX Injection and carburettor cleaner, 250ml
Additive Substance - serves to prevent problems such as starting, engine idling, weak engine response to throttle position, and power loss
225,-
900 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR3729
5.0 19×
Millers Oils Engine Flush 250 ml - Engine oil additive
Additive Substance - oil cleaner, engine cleaner, deposit dissolving, volume 250 ml
229,-
916 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR294518
4.7 48×
MOTUL Dpf Clean, 300 ml
Additive Substance - Additive for diesel for DPF cleaning
189,-
630 Kč/l
Currently Unavailable
Order Code: AUPR17009b
4.8 27×
SHERON Diesel additive 500 ml
Additive Substance - for diesel engines, suitable for winter, the additive is designed to improve the mechanical properties of fuel (filterability) at low temperatures, incorporates separated paraffin back into the diesel
169,-
338 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241065
4.8 25×
STP Petrol additive - 200 ml
Additive Substance - reduces petrol consumption, keeps engine clean, maintains intake valves
Great price 169,-
845 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241052
4.9 19×
Metaltec-1 1l
Additive Substance - for oil, fuel system cleaner and engine cleaner, friction reduction, volume: 1000ml
2,749,-
2,749 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: metal02
4.9 19×
LIQUI MOLY Diesel additive for improved acceleration 250ml
Additive Substance - additive to improve the combustion of diesel engines
Buy with code ALZADNY5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky. 256,-
Great price 269,-
1,076 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2648
4.7 38×
Liqui Moly Radiator Sealant, 250 ml
Additive Substance - for sealing water cooling systems, reliably seals hairline cracks and minor leaks, can also be used as a preventive measure to insure the cooling system is repaired, solid dispersion is stabilised in a special carrier liquid
Buy with code ALZADNY5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky. 256,-
269,-
1,076 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241109
5.0 15×
SONAX Diesel Protection System-Common Rail, 250ml
Additive Substance improves lower quality diesel and ensures the best performance for the modern diesel system, the lubrication of diesel fuel
258,-
1,032 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR3730
4.7 30×
JLM Diesel Extreme Clean effective decarbonisation, 1 l
DPF Cleaner - volume 1 l, increases power, dissolves deposits, for diesel engines, for summer and winter season
1,119,-
1,119 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR106978
 

Additives reviews and tests

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