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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 320
MOTUL Valve & Injector Clean, 300 ml - Additive Substance
MOTUL Valve & Injector Clean, 300 ml
219,-
730 Kč/l
In stock > 5 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 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
Millers Oils Gasoline additive VSPe Power Plus 250 ml - Additive Substance
Millers Oils Gasoline additive VSPe Power Plus 250 ml
329,-
1,316 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - for petrol, injection cleaner and engine cleaner, friction reduction, volume 250 ml
Metaltec - 1, 4 L - Additive Substance
Metaltec - 1, 4 L
8,499,-
From 195,- per month
2,125 Kč/l
In stock 2 pcs
3 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for oil, for winter and summer season, friction reduction, volume 4000 ml
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
Amazing Deal 269,- Save 32,-
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 HYBRID Catalytic converter and lambda sensor cleaner, 250ml - Additive Substance
Autoprofi HYBRID Catalytic converter and lambda sensor cleaner, 250ml
379,-
1,516 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - Catalyst and oxygen sensor cleaner, EGR valve and turbo cleaner, special for hybrids
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
Wynn's 12292 Diesel Extreme Cleaner, 500 ml - Injector Cleaner
Wynn's 12292 Diesel Extreme Cleaner, 500 ml
599,-
1,198 Kč/l
In stock 4 pcs at the supplier's
Injector Cleaner - extremely concentrated product for cleaning diesel engine fuel systems
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
CASTROL Engine Shampoo 300 ml - Additive Substance
CASTROL Engine Shampoo 300 ml
262,-
873 Kč/l
In stock 4 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...
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.
View
JLM Air Intake & EGR Cleaner 500ml - EGR Valve Cleaner
JLM Air Intake & EGR Cleaner 500ml
359,-
718 Kč/l
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
EGR Valve Cleaner cleans the intake and EGR valves
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 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 4 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 at the supplier's
Injector Cleaner universal injector cleaner
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 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
AMSOIL Dominator Coolant Boost coolant additive 473 ml - Radiator Cleaner
AMSOIL Dominator Coolant Boost coolant additive 473 ml
430,-
909 Kč/l
In stock 2 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 3 pcs at the supplier's
EGR Valve Cleaner - volume 400 ml, for removing excess carbon deposits from EGR valves
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
Wynn's 46751 Diesel System Cleaner, 325 ml - Injector Cleaner
Wynn's 46751 Diesel System Cleaner, 325 ml
289,-
889 Kč/l
In stock 4 pcs at the supplier's
Injector Cleaner - professional product designed as a diesel fuel additive, intended for fuel system cleaning and pump lubrication
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