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Additives reviews and tests

Alza Test Ranks Additives Based on User Reviews and Other Data

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Additives – Test Results

The result for additives at several price levels is:

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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.

Mazací plány All additives
All from 294
Autoprofi Gift set of half-yearly treatment for petrol engines - injectors & catalytic converter - Additive Substance
Autoprofi Gift set of half-yearly treatment for petrol engines - injectors & catalytic converter
1,047,-
1,396 Kč/l
In stock 2 pcs
3 sizes
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for petrol - for passenger cars, catalytic converter and lambda sensor cleaner, dissolves deposits, volume 750 ml
MOTUL Valve & Injector Clean, 300 ml - Additive Substance
MOTUL Valve & Injector Clean, 300 ml
219,-
730 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gasoline additive for cleaning valves and injectors, for petrol engines
Autoprofi Gift regeneration set for HYBRID - Additive Substance
Autoprofi Gift regeneration set for HYBRID
1,099,-
1,465 Kč/l
In stock > 5 pcs
3 sizes
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance into the gasoline, for oil - winter and summer, for passenger cars and motorcycles, catalytic converter and lambda sensor cleaner, fuel system cleaner and engine...
EUROL Engine Oil Treat 250 ml - Additive Substance
EUROL Engine Oil Treat 250 ml
249,-
996 Kč/l
In stock 2 pcs at the supplier's
Additive Substance for oil - winter and summer, for passenger cars, reduces friction and increases performance, 250 ml volume for 6 l
Autoprofi DPF Flush 1l - DPF Cleaner
Autoprofi DPF Flush 1l
449,-
449 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
DPF Cleaner - for rinsing DPF/FAP filters, suitable for all vehicles with particulate filter, 1000ml
Autoprofi Ashless petrol additive 75ml - Additive Substance
Autoprofi Ashless petrol additive 75ml
109,-
1,453 Kč/l
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for petrol - winter and summer, engine cleaner, dissolves deposits, volume 75 ml
LIQUI MOLY Gear oil additive 20g - Additive Substance
LIQUI MOLY Gear oil additive 20g
269,-
In stock > 5 pcs
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
Autoprofi Stop oil smoke 250ml - Additive Substance
Autoprofi Stop oil smoke 250ml
269,-
1,076 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for oil - winter, volume 250 ml
CASTROL Engine Shampoo 300 ml - Additive Substance
CASTROL Engine Shampoo 300 ml
262,-
873 Kč/l
In stock 5 pcs at the supplier's
Additive Substance for oil - winter and summer, for passenger cars and motorcycles, rinsing oil, suitable for four-stroke engine, for manual and automatic transmissions, dissolves...
Autoprofi Cetane Boost - cetane number booster 250ml - Additive Substance
Autoprofi Cetane Boost - cetane number booster 250ml
239,-
956 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for diesel - winter, volume 250 ml
K2 Radiator Sealant 400ml - Additive
K2 Radiator Sealant 400ml
from  41,-
148 Kč/l
Currently Unavailable
Additive - for sealing radiators. It works immediately. It can be used in all types of coolers.
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JLM Air Intake & EGR Cleaner 500ml - EGR Valve Cleaner
JLM Air Intake & EGR Cleaner 500ml
359,-
718 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
Autoprofi Valve and injection cleaner 250ml - Additive Substance
Autoprofi Valve and injection cleaner 250ml
279,-
1,116 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - winter and summer, injection cleaner, dissolves deposits, volume 250 ml
Autoprofi Stop bacteria - Diesel 250ml - Additive Substance
Autoprofi Stop bacteria - Diesel 250ml
239,-
956 Kč/l
In stock > 10 pcs at the supplier's
Additive Substance for diesel - winter and summer, fuel system cleaner, dissolves deposits, volume 250 ml
JLM E10 Fuel Treatment Gasoline Stabilizer E10, 250 ml - Additive Substance
JLM E10 Fuel Treatment Gasoline Stabilizer E10, 250 ml
319,-
1,276 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for petrol - winter and summer, for passenger cars, against water freezing in petrol, for manual and automatic transmissions, increases the octane number, 250 ml...
Autoprofi Diesel system cleaner 250ml - Additive Substance
Autoprofi Diesel system cleaner 250ml
299,-
1,196 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance diesel fuel - winter, engine cleaner, dissolves deposits, volume 250 ml
Autoprofi E10! gasoline additive - engine protection for bioethanol fuels - Additive Substance
Autoprofi E10! gasoline additive - engine protection for bioethanol fuels
279,-
1,116 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for petrol - winter and summer, for passenger cars, fuel system cleaner, reduces friction and dissolves deposits, volume 250 ml for 300 l
JLM Petrol Injector Cleaner 250ml - Injector Cleaner
JLM Petrol Injector Cleaner 250ml
279,-
1,116 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Injector Cleaner universal injector cleaner
EUROL Visco Oil Plus 250 ml - Additive Substance
EUROL Visco Oil Plus 250 ml
220,-
880 Kč/l
In stock 3 pcs at the supplier's
Additive Substance for oil - winter and summer, for passenger cars, for manual and automatic transmissions, reduces friction and increases power, 250 ml volume for 6 l
EUROL Petrol Octane Improver 250 ml - Additive Substance
EUROL Petrol Octane Improver 250 ml
209,-
836 Kč/l
In stock 1 pcs at the supplier's
Additive Substance for petrol - winter and summer, for passenger cars, increases octane number and power, volume 250 ml
EUROL Petrol System Cleaner 250 ml - Engine Cleaner
EUROL Petrol System Cleaner 250 ml
229,-
916 Kč/l
In stock 3 pcs at the supplier's
Engine Cleaner - volume 250 ml, Additive designed for quick cleaning of the entire petrol fuel system. It is recommended for use if you find that the quality of the gasoline is...
AMSOIL Dominator Coolant Boost coolant additive 473 ml - Radiator Cleaner
AMSOIL Dominator Coolant Boost coolant additive 473 ml
430,-
909 Kč/l
In stock 3 pcs at the supplier's
Radiator Cleaner - increases cooling system efficiency, protects against deposits and corrosion, volume 473 ml
EUROL EGR Cleaner, 400 ml - EGR Valve Cleaner
EUROL EGR Cleaner, 400 ml
347,-
868 Kč/l
In stock 5 pcs at the supplier's
EGR Valve Cleaner - volume 400 ml, for removing excess carbon deposits from EGR valves
Autoprofi HYBRID Gasoline system cleaner, 250ml - Engine Cleaner
Autoprofi HYBRID Gasoline system cleaner, 250ml
339,-
1,356 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Engine Cleaner - volume 250 ml, - injection cleaner, fuel system cleaner, carbon remover, special for hybrids
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