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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.

231 Results
4.3
NANOTECH-EUROPE Diesel Oil Cleaner - Tungsten Nano Coating 1 l
Additive Substance for engine oil - Nano additives with tungsten coating. Up to 15% lower fuel consumption
214.33 €
214.33 €/l
Buy
In stock 1 pcs at the supplier's
Order Code: NTEadi014
4.8
RAVENOL Professional Engine Cleaner, 300 ml
Additive Substance - Tool for cleaning and flushing the entire engine system
9.29 €
30.97 €/l
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR246614
5.0
Metaltec - 1, 4 L
Additive Substance for oil, for winter and summer season, friction reduction, volume 4000 ml
343.90 €
85.98 €/l
Buy
In stock 3 pcs
Order Code: AUPR277841c
5.0
RAVENOL Diesel Cetane Booster, 300 ml
Additive Substance for diesel - winter and summer, for cars and trucks, fuel system cleaner, increases performance, 300 ml volume for 60 l
8.69 €
28.97 €/l
Buy
In stock 1 pcs
Order Code: AUPR110437
5.0
Autoprofi Gift regeneration set for HYBRID
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 cleaner, suitable for hybrid engine, for manual and automatic transmissions, reduces friction, dissolves deposits and increases performance, volume 750 ml
45.90 €
61.20 €/l
Buy
In stock > 5 pcs at the supplier's
Order Code: AUPR122502
5.0
MOTUL Valve & Injector Clean, 300 ml
Gasoline additive for cleaning valves and injectors, for petrol engines
9.04 €
30.13 €/l
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR17009g
4.4
LIQUI MOLY Gear oil additive 20g
Additive Substance for oil - winter and summer, suitable for hybrid, LPG engine, reduces friction
Buy with code ALZADNI5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 5 % s kódom ALZADNI5. Kliknite a kód sa uplatní automaticky. 10.54 €
Discounted -25 % 11.09 € 14.90 €
Currently Unavailable
Order Code: AUPR329078
4.7
JLM Emission Reduction Treatment Petrol - Additive for emission reduction, catalytic converter clean
Additive Substance for petrol - winter and summer, for passenger cars, catalytic converter and lambda sensor cleaner, increases octane number and power, volume of 250 ml is enough for 60 l
16.90 €
67.60 €/l
Buy
In stock > 10 pcs at the supplier's
Order Code: MOTO97172
4.7
Wynn's 12292 Diesel Extreme Cleaner, 500 ml
Injector Cleaner - extremely concentrated product for cleaning diesel engine fuel systems
22.91 €
45.82 €/l
Buy
In stock > 5 pcs at the supplier's
Order Code: AUPR69872
5.0
JLM Diesel DPF Spray - DPF Cleaning 400 ml
DPF Cleaner cleans clogged DPF
22.90 €
57.25 €/l
Buy
In stock > 10 pcs at the supplier's
Order Code: MOTO97170
5.0
JLM E10 Fuel Treatment Gasoline Stabilizer E10, 250 ml
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 volume is sufficient for 250 l
12.90 €
51.60 €/l
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR106983
5.0
JLM Petrol Injector Cleaner 250ml
Injector Cleaner universal injector cleaner
Great price 10.90 €
43.60 €/l
Buy
In stock > 10 pcs at the supplier's
Order Code: MOTO97178
5.0
AMSOIL Dominator Coolant Boost coolant additive 473 ml
Radiator Cleaner - increases cooling system efficiency, protects against deposits and corrosion, volume 473 ml
17.95 €
37.95 €/l
Buy
In stock 3 pcs at the supplier's
Order Code: CARaaa0734
5.0
EUROL EGR Cleaner, 400 ml
EGR Valve Cleaner - volume 400 ml, for removing excess carbon deposits from EGR valves
14.48 €
36.20 €/l
Buy
In stock 4 pcs at the supplier's
Order Code: AUPR82498
5.0
Wynn's 28679 Turbo Cleaner, 200 ml
Cleaner - highly effective product developed for cleaning and unblocking dirty turbochargers, effectively cleans and unblocks dirty turbocharger geometry without the need for disassembly
14.15 €
70.75 €/l
Buy
In stock 2 pcs at the supplier's
Order Code: AUPR69876
5.0
Wynn's 46751 Diesel System Cleaner, 325 ml
Injector Cleaner - professional product designed as a diesel fuel additive, intended for fuel system cleaning and pump lubrication
11.23 €
34.55 €/l
Buy
In stock > 5 pcs at the supplier's
Order Code: AUPR69866
5.0
Wynn's 51663 Diesel +Plus+ Treatment, 325 ml
Injector Cleaner - Increases cetane number, thereby improving diesel ignition and combustion quality facilitates cold starts reduces diesel engine knock reduces black smoke emissions
9.97 €
30.68 €/l
Buy
In stock 1 pcs at the supplier's
Order Code: AUPR69850
5.0
Millers Oils Gasoline additive VSPe Power Plus 250 ml
Additive Substance - for petrol, injection cleaner and engine cleaner, friction reduction, volume 250 ml
12.68 €
50.72 €/l
Buy
In stock > 10 pcs at the supplier's
Order Code: AUPR321022
5.0
MOTUL Engine Oil Stop Leak, 300 ml
- The oil additive prevents oil loss due to leakage, for both petrol and diesel engines
8.90 €
29.67 €/l
Currently Unavailable
Order Code: AUPR17009e
4.4
K2 BLUE+ anti-crystallisation additive for AdBlue, 50 ml
Additive Substance for AdBlue - winter and summer, for cars and trucks, injection cleaner and catalytic converter and lambda sensor cleaner, dissolves deposits, volume 50 ml for 20 l
5.89 €
117.80 €/l
Buy
In stock 4 pcs at the supplier's
Order Code: AUPR120289
4.4
Multi-purpose additive for ŠKODA/VW (original)
Additive Substance diesel injection cleaner, reduces friction, volume 150 ml
27.12 €
180.80 €/l
Buy
In stock > 5 pcs at the supplier's
Order Code: AUTskd08
4.5
Millers Oils Gasoline additiveTank Safe 250 ml
Additive Substance - for petrol, engine cleaner, friction reduction, volume 250 ml
18.36 €
73.44 €/l
Buy
In stock 2 pcs at the supplier's
Order Code: AUPR321025
5.0
JLM Air Intake & EGR Cleaner 500ml
EGR Valve Cleaner cleans the intake and EGR valves
14.90 €
29.80 €/l
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: MOTO97167
5.0
Metabond Diesel DETOX,250ml
Additive Substance
New arrival 31.90 €
127.60 €/l
Buy
In stock 4 pcs at the supplier's
Order Code: AUPR123857
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