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Volume
18 ml
5,000 ml
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Additives

Additives are ingredients that are added to the fuel or oil to improve their properties. Additives improve engine performance, reduce fuel consumption, and extend the service life of engine parts.

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Types of additives

Fuel additives

Prevent the engine from getting clogged up with carbon impurities from the fuel and reduce engine knocking. Keep the injectors clean and reduce fuel consumption, improve performance, increase acceleration, and prolong the engine lifespan. Make starting a car in cold winter weather easier, reduce emissions, and protect the fuel system from corrosion. The dosage is always listed on the packaging; the usual ratio is about 1:1000.

Oil additives

Reduce wear and tear inflicted on the engine and transmission and keep them in a good shape. Also reduce the car’s oil consumption (and the amount of exhaust smoke) and engine noise. The additive should be added during every oil change to make sure it removes unwanted residue.

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317 Results
4.7 26×
STP Additive for reducing emissions - petrol 400ml
Additive Substance - removes deposits from the fuel system, cleans engine components, significantly reduces emissions
189,-
473 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241061
4.5 31×
Millers Oils DPF Cleaner & Regenerator 250 ml
Additive Substance - for diesel, dpf cleaner, sludge dissolving, volume 250 ml
Great price 359,-
1,436 Kč/l
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR294554
4.9 20×
LIQUI MOLY Diesel additive for improved acceleration 250ml
Additive Substance - additive to improve the combustion of diesel engines
Great price 309,- Save 30,-
1,236 Kč/l
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2648
4.4 13×
JLM Diesel Turbo Cleaner, 500 ml
Additive Substance to diesel - winter and summer, for passenger cars, ERG valve and turbo cleaner, for manual and automatic transmissions, dissolves deposits and increases performance, 500 ml volume is sufficient for 70 l
679,-
1,358 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR106982
4.8 37×
Millers Oils Petrol Power ECOMAX 500 ml
Additive Substance for petrol - volume 500 ml
669,-
1,338 Kč/l
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR294532
4.3 28×
LIQUI MOLY Coolant Sealant 150ml
Additive Substance - for aluminium and plastic coolers, treats minor leaks
Great price 249,-
1,660 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2641
4.9
RAVENOL AdBlue® Clean & Protect Premix, 50 ml
Additive Substance for AdBlue - winter and summer, for cars and trucks, dissolves deposits, volume 50 ml for 12 l
203,-
4,060 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR110439
4.4
LIQUI MOLY Gear oil additive 20g
Additive Substance for oil - winter and summer, suitable for hybrid, LPG engine, reduces friction
Amazing Deal 269,- Save 75,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR329078
5.0 12×
RAVENOL Diesel Clean Extreme, 300 ml
Additive Substance to diesel - winter and summer, for cars and trucks, carburettor and throttle body cleaner, injection cleaner and fuel system cleaner, dissolves deposits, 300 ml volume is sufficient for 60 l
208,-
693 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR110436
3.5
Metabond Megalene+ for gasoline, 250ml
Additive Substance - for spark-ignition engines, for all types of spark-ignition engines (atmospheric, turbocharged, two-stroke, four-stroke, with or without catalytic converter)
720,-
2,880 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2566
4.8 93×
LIQUI MOLY Engine flush 300ml
Additive Substance - for cleaning oil residue in the engine during oil changes
346,-
1,153 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2637
4.7 53×
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 > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241074
4.5 41×
Liqui Moly Diesel additive, 300 ml
Additive Substance - for cleaning diesel fuel systems, reduces consumption and emissions, anticorrosive effects, improves engine performance
279,-
930 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241108
4.6 96×
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
4.4 11×
NANOTECH-EUROPE Diesel Oil Cleaner - Tungsten Nano Coating 140 ml
Additive Substance for oil - winter and summer, for passenger cars, engine cleaner, reduces friction, 140 ml volume for 4.5 l
817,-
5,836 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPRnano002
4.7 21×
JLM Diesel Injector Cleaner Pro Diesel Injector Cleaner, 250 ml
Injector Cleaner - 250 ml, increases performance, dissolves deposits, for diesel engines, for summer and winter season
279,-
1,116 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR106979
4.9 19×
Autoprofi Nano engine protection 250ml
Additive Substance for oil - winter, reduces friction, volume 250 ml
419,-
1,676 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR264055
4.7 97×
K2 BENZIN 50 ml - fuel additive
Additive Substance - reduces fuel consumption, restores performance and accelerates
from  63,-
1,520 Kč/l
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2389
5.0
LIQUI MOLY Lead substitute in fuel 250ml
Additive Substance for petrol - winter and summer, volume 250 ml
Amazing Deal 339,- Save 49,-
1,356 Kč/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR329084
4.4 13×
JLM Diesel DPF ReGen Plus - DPF regeneration support 250ml
DPF Cleaner supports DPF regeneration
359,-
1,436 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: MOTO97169
4.6 10×
LIQUI MOLY Octane Booster 200ml
Additive Substance for petrol - winter and summer, increases octane number, volume 200 ml
279,-
1,395 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR329092
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
4.7 24×
Millers Oils Diesel Injector Cleaner 250 ml
Additive Substance diesel fuel injection cleaner, dissolves deposits, volume 250 ml
269,-
1,076 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR294540
4.2 16×
Autoprofi Diesel engine intake and EGR cleaner 400ml
Additive Substance for diesel - winter, ERG valve and turbo cleaner, dissolves deposits, volume 400 ml
329,-
823 Kč/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR264074
In the category Additives on Alza.cz, we currently have a total of 317 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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