Best sellers, best additives

We also think that you deserve the best. That’s why on this page, we ranked additives from the most sold to the least sold. You have 298 products to choose from. Customers have the most interest in VIF Super Petrol Additive 500 ml, which you can buy for 206 Kč incl. VAT. If you’re intrested in additives in terms of the highest reviews, then look at the additives reviews and tests category.
All from 298
COYOTE Radiator sealant liquid 250ml - Additive
COYOTE Radiator sealant liquid 250ml
Amazing Deal 139,- Save 40,-
556 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 118,-
Additive - for sealing small leaks in radiator, cooling and heating systems, prevents coolant leaks, does not plug grommets and valves, volume 250 ml
STP Diesel additive - 200 ml - Additive Substance
STP Diesel additive - 200 ml
BLACK FRIDAY -22 % 139,- 179,-
695 Kč/l
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 118,-
Additive Substance - keeps injectors free from impurities and biofuels in fuel, maintains consistent engine power
LIQUI MOLY Gear oil additive 20g - Additive Substance
LIQUI MOLY Gear oil additive 20g
BLACK FRIDAY -10 % 242,- 269,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for oil - winter and summer, suitable for hybrid, LPG engine, reduces friction
RAVENOL DPF Cleaner, 300 ml - Additive Substance
RAVENOL DPF Cleaner, 300 ml
246,-
820 Kč/l
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - winter and summer, for cars and trucks, DPF cleaner, dissolves deposits, 300 ml volume for 30 l
JLM BluBoost 250 ml anti-crystallisation protection - Additive Substance
JLM BluBoost 250 ml anti-crystallisation protection
499,-
1,996 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - additive to protect the AdBlue system in the car, for use on 100l AdBlue
Autoprofi Cooling System Cleaner 250ml - Radiator Cleaner
Autoprofi Cooling System Cleaner 250ml
259,-
1,036 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Radiator Cleaner - suitable for the entire cooling system, removes limescale and rust, suitable for all water-cooled engines, 250ml
K2 BENZIN 50 ml - fuel additive - Additive Substance
K2 BENZIN 50 ml - fuel additive
from  61,-
1,480 Kč/l
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - reduces fuel consumption, restores performance and accelerates
SONAX Fuel System Cleaner petrol, 250ml - Additive Substance
SONAX Fuel System Cleaner petrol, 250ml
BLACK FRIDAY -20 % 189,- 237,-
756 Kč/l
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - for cleaning your fuel system, clean the carburettor and valves, for the impellers and passages and piston heads
LIQUI MOLY Lead substitute in fuel 250ml - Additive Substance
LIQUI MOLY Lead substitute in fuel 250ml
BLACK FRIDAY -10 % 305,- 339,-
1,220 Kč/l
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for petrol - winter and summer, volume 250 ml
Millers Oils Diesel Power ECOMAX 500 ml - Additive Substance
Millers Oils Diesel Power ECOMAX 500 ml
750,-
1,500 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for diesel - volume 500 ml
JLM Air Intake & EGR Cleaner 500ml - EGR Valve Cleaner
JLM Air Intake & EGR Cleaner 500ml
379,-
758 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
EGR Valve Cleaner cleans the intake and EGR valves

No longer sold