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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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All from 303
SONAX Injection and carburettor cleaner, 250ml - Additive Substance
SONAX Injection and carburettor cleaner, 250ml
225,-
900 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Additive Substance - serves to prevent problems such as starting, engine idling, weak engine response to throttle position, and power loss
Added to cart
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JLM Petrol Extreme Clean - Effective Fuel System Cleaner 500 ml - Additive Substance
JLM Petrol Extreme Clean - Effective Fuel System Cleaner 500 ml
639,-
1,278 Kč/l
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 607,-
Additive Substance for petrol - winter and summer, for passenger cars, fuel system cleaner, increases the octane number, dissolves deposits and increases performance, 500 ml volume...
Added to cart
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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.
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Additive Substance - additive to protect the AdBlue system in the car, for use on 100l AdBlue
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Autoprofi Octane Boost - octane booster 250ml - Additive Substance
Autoprofi Octane Boost - octane booster 250ml
239,-
956 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 227,-
Additive Substance for petrol - winter, increases octane number, volume 250 ml
Added to cart
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LIQUI MOLY Motorcycle engine flush 250ml - Additive Substance
LIQUI MOLY Motorcycle engine flush 250ml
239,-
956 Kč/l
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 227,-
Additive Substance for oil - summer, rinse oil, volume 250 ml
Added to cart
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Millers Oils Stop Leak 250 ml - Additive for engine or gear oil - Additive Substance
Millers Oils Stop Leak 250 ml - Additive for engine or gear oil
229,-
916 Kč/l
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Add AlzaPlus+ and save instantly 218,-
Additive Substance - for oil, volume 250 ml
Added to cart
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K2 DOCTOR CAR SPEC - oil additive, 443ml - Additive Substance
K2 DOCTOR CAR SPEC - oil additive, 443ml
from  123,-
336 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance New generation product consisting of a special synthetic friction reducer ZDPP (ZineDithioPhosPhate). Seals motor, reduces excess oil combustion and thus reduces...
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SONAX Octane Boost, 250ml - Additive Substance
SONAX Octane Boost, 250ml
237,-
948 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - increases the octane number from 2 to 3 units, protects the catalytic converter and sensors, also suitable for turbo engines
Added to cart
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BG 225 DFC HP Diesel Fuel Conditioner 29ml - Additive Substance
BG 225 DFC HP Diesel Fuel Conditioner 29ml
103,-
3,433 Kč/l
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance -
Added to cart
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SONAX Fuel System Cleaner petrol, 250ml - Additive Substance
SONAX Fuel System Cleaner petrol, 250ml
237,-
948 Kč/l
In stock > 10 pcs
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
Added to cart
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SONAX Oil additive, 250ml - Additive Substance
SONAX Oil additive, 250ml
278,-
1,112 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - an anti-friction agent producing a highly resistant sebum on all friction and slippery surfaces
Added to cart
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Metabond 4T for motorcycles and four-stroke engines, 250 ml - Additive Substance
Metabond 4T for motorcycles and four-stroke engines, 250 ml
1,199,-
4,796 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 1,139,-
Additive Substance - ashless metal finisher designed for four-stroke motorcycle engines
Added to cart
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BG 2026 SC2 Supercharge II, 177 ml - Additive Substance
BG 2026 SC2 Supercharge II, 177 ml
249,-
1,407 Kč/l
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 237,-
Additive Substance
Added to cart
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RAVENOL Petrol Octane Booster, 300 ml - Additive Substance
RAVENOL Petrol Octane Booster, 300 ml
240,-
800 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, trucks and motorcycles, fuel system cleaner, increases the octane rating and boosts performance, 300 ml...
Added to cart
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LIQUI MOLY Diesel antifreeze additive 150ml - Additive Substance
LIQUI MOLY Diesel antifreeze additive 150ml
179,-
1,193 Kč/l
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - prevents the formation of paraffin in diesel, keeps the oil in liquid state
Added to cart
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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
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JLM Emission Reduction Treatment Petrol - Additive for emission reduction, catalytic converter clean - Additive Substance
JLM Emission Reduction Treatment Petrol - Additive for emission reduction, catalytic converter clean
419,-
1,676 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 398,-
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...
Added to cart
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Autoprofi Stop oil loss 250ml - Additive Substance
Autoprofi Stop oil loss 250ml
219,-
876 Kč/l
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 208,-
Additive Substance for oil - winter, volume 250 ml
Added to cart
- +
SONAX Diesel Fuel System Cleaner, 250ml - Additive Substance
SONAX Diesel Fuel System Cleaner, 250ml
237,-
948 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance - ensures optimal combustion, removes deposits from the injection and combustion chambers of the piston, cleans the entire fuel system, protects against...
Added to cart
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Autoprofi Cetane Boost - cetane number booster 250ml - Additive Substance
Autoprofi Cetane Boost - cetane number booster 250ml
239,-
956 Kč/l
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 227,-
Additive Substance for diesel - winter, volume 250 ml
Added to cart
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Autoprofi Stop oil smoke 250ml - Additive Substance
Autoprofi Stop oil smoke 250ml
269,-
1,076 Kč/l
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 256,-
Additive Substance for oil - winter, volume 250 ml
Added to cart
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K2 BLUE+ anti-crystallisation additive for AdBlue, 50 ml - Additive Substance
K2 BLUE+ anti-crystallisation additive for AdBlue, 50 ml
184,-
3,680 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Added to cart
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JLM Bortec Oil Additive - Ceramic Engine Protector 250 ml - Additive Substance
JLM Bortec Oil Additive - Ceramic Engine Protector 250 ml
529,-
2,116 Kč/l
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 503,-
Additive Substance for oil - winter and summer, for passenger cars, trucks and motorcycles, engine cleaner, suitable for hybrid engine, reduces friction, volume 250 ml
Added to cart
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LIQUI MOLY Gasoline additive E10, 150 ml - Additive Substance
LIQUI MOLY Gasoline additive E10, 150 ml
189,-
1,260 Kč/l
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Additive Substance for petrol - for cars and motorcycles, 150 ml volume for 70 l
Added to cart
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In the category Additives on Alza.cz, we currently have a total of 303 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. Continue

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