Black Friday - Petrol Additives

Black Friday

Black Friday is here! 🖤 Thousands of products with a fair discount.

  • The offer is valid from 30th October to 30th November 2026.
Continue
  • The offer is valid as long as the Goods are included in the Campaign or until the Goods are sold out during the Campaign. The Goods offer may be updated during the Campaign.
  • Stock for some products gets redistributed to customers in the Czech Republic, Slovakia, Austria, Hungary, and other countries where Alza delivers its products, based on the earlier order delivery time. This does not apply to regional/language-specific product versions.
  • Full Terms and Conditions of the campaign can be found here.
  • Alza reserves the right to change the terms and conditions of the campaign.
Hide description
Was this information useful?
This form is used only for evaluating the information in the description above.
If you have any question about our products, services, transport or any other request, please contact our customer support.
What should be improved? Is anything missing here? Is anything wrong? Share it with us.
Send Close
12 Results
Liqui Moly Injection Cleaner, 300 ml - Additive Substance
Discount
4.8 89×
Watch Price/Availability
Liqui Moly Injection Cleaner, 300 ml
Additive Substance - for cleaning gasoline injection systems, cleans valve deposits and distributions to reduce emissions and consumption
BLACK FRIDAY -10 % 17.91 € 19.90 €
59.70 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241112
STP Gasoline injection cleaner - 200 ml - Additive Substance
Discount
4.8 100×
Watch Price/Availability
STP Gasoline injection cleaner - 200 ml
Additive Substance - restores engine power, cleans injectors and intake valves
Add AlzaPlus+ and save instantly 5.48 €
BLACK FRIDAY -21 % 6.45 € 8.17 €
32.25 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241054
LIQUI MOLY Engine system cleaner - petrol - Engine Cleaner
Discount
4.8 88×
Watch Price/Availability
LIQUI MOLY Engine system cleaner - petrol
Engine Cleaner - volume 300 ml,
BLACK FRIDAY -10 % 10.34 € 11.49 €
34.47 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR293618
STP Petrol additive - 200 ml - Additive Substance
Discount
4.8 26×
Watch Price/Availability
STP Petrol additive - 200 ml
Additive Substance - reduces petrol consumption, keeps engine clean, maintains intake valves
Add AlzaPlus+ and save instantly 5.80 €
BLACK FRIDAY -16 % 6.82 € 8.17 €
34.10 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241052
SONAX Injection and carburettor cleaner, 250ml - Additive Substance
Discount
4.7 38×
Watch Price/Availability
SONAX Injection and carburettor cleaner, 250ml
Additive Substance - serves to prevent problems such as starting, engine idling, weak engine response to throttle position, and power loss
BLACK FRIDAY -15 % 7.90 € 9.39 €
31.60 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR3729
SONAX Octane Boost, 250ml - Additive Substance
Discount
4.5 17×
Watch Price/Availability
SONAX Octane Boost, 250ml
Additive Substance - increases the octane number from 2 to 3 units, protects the catalytic converter and sensors, also suitable for turbo engines
BLACK FRIDAY -20 % 7.90 € 9.89 €
31.60 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR3808
LIQUI MOLY Gasoline additive for improved acceleration 250ml - Additive Substance
Discount
4.7 21×
Watch Price/Availability
LIQUI MOLY Gasoline additive for improved acceleration 250ml
Additive Substance - for engine injection systems, improves engine thrust
BLACK FRIDAY -10 % 7.73 € 8.59 €
30.92 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR2647
LIQUI MOLY Lead substitute in fuel 250ml - Additive Substance
Discount
5.0 4×
Watch Price/Availability
LIQUI MOLY Lead substitute in fuel 250ml
Additive Substance for petrol - winter and summer, volume 250 ml
BLACK FRIDAY -10 % 14.39 € 15.99 €
57.56 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR329084
SONAX Fuel System Cleaner petrol, 250ml - Additive Substance
Discount
4.6 19×
Watch Price/Availability
SONAX Fuel System Cleaner petrol, 250ml
Additive Substance - for cleaning your fuel system, clean the carburettor and valves, for the impellers and passages and piston heads
BLACK FRIDAY -20 % 7.90 € 9.89 €
31.60 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR3715
Liqui Moly Gas Engine Valve Protection, 1 l - Additive Substance
Discount
5.0 11×
Watch Price/Availability
Liqui Moly Gas Engine Valve Protection, 1 l
Additive Substance - To reduce the possibility of engine overheating, protect cylinder heads, suitable for all LPG or CNG internal combustion engines
BLACK FRIDAY -10 % 21.14 € 23.49 €
21.14 €/l
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AUPR241111
Millers Oils Petrol Power ECOMAX 500 ml - Additive Substance
Discount
4.7 38×
Watch Price/Availability
Millers Oils Petrol Power ECOMAX 500 ml
Additive Substance for petrol - volume 500 ml
BLACK FRIDAY -30 % 19.34 € 27.99 €
38.68 €/l
Buy
In stock at the supplier's
Order Code: AUPR294532
MOTUL Gdi Clean, 300 ml - Additive Substance
Discount
5.0 1×
Watch Price/Availability
MOTUL Gdi Clean, 300 ml
Additive Substance for petrol - winter and summer, for passenger cars, trucks and motorcycles, injection cleaner and engine cleaner, for manual and automatic transmissions, reduces friction, dissolves deposits and increases performance, 300 ml volume is sufficient for 60 l
BLACK FRIDAY -16 % 8.67 € 10.40 €
28.90 €/l
Buy
In stock at the supplier's
Order Code: AUPR122941