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Black Friday - Winter Diesel Additives

Black Friday

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

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The offer is valid from 30th October to 30th November 2026.
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: CZ, SK, HU, AT, DE.
Alza reserves the right to change the terms and conditions of the campaign.

STP Diesel Injection Cleaner - 200 ml - Additive Substance

STP Diesel Injection Cleaner - 200 ml

Add AlzaPlus+ and save instantly 5.20 €

Additive Substance - restores engine power, cleans injectors and intake valves

Added to cart

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LIQUI MOLY Diesel engine cleaner 300ml - Additive Substance

LIQUI MOLY Diesel engine cleaner 300ml

Additive Substance - removes harmful deposits from diesel engine components

Added to cart

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STP Diesel Particulate Filter Cleaner - 200ml - Additive Substance

STP Diesel Particulate Filter Cleaner - 200ml

Add AlzaPlus+ and save instantly 5.20 €

Additive Substance - releases soot from the filter, protects in urban traffic, extends service life, reduces soot emissions

Added to cart

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JLM Diesel Extreme Clean effective decarbonisation, 1 l - DPF Cleaner

JLM Diesel Extreme Clean effective decarbonisation, 1 l

DPF Cleaner - volume 1 l, increases power, dissolves deposits, for diesel engines, for summer and winter season

Added to cart

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LIQUI MOLY SUPER 250ml oil additive - Additive Substance

LIQUI MOLY SUPER 250ml oil additive

Additive Substance - Cetan Plus for better performance of diesel engines

Added to cart

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JLM Diesel Injector Cleaner Pro Diesel Injector Cleaner, 250 ml - Injector Cleaner

JLM Diesel Injector Cleaner Pro Diesel Injector Cleaner, 250 ml

Injector Cleaner - 250 ml, increases performance, dissolves deposits, for diesel engines, for summer and winter season

Added to cart

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Liqui Moly Diesel additive, 300 ml - Additive Substance

Liqui Moly Diesel additive, 300 ml

Additive Substance - for cleaning diesel fuel systems, reduces consumption and emissions, anticorrosive effects, improves engine performance

Added to cart

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STP Diesel additive - 200 ml - Additive Substance

STP Diesel additive - 200 ml

Add AlzaPlus+ and save instantly 5.20 €

Additive Substance - keeps injectors free from impurities and biofuels in fuel, maintains consistent engine power

Added to cart

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Liqui Moly Diesel Particulate Filter (DPF) Protection, 250 ml - Additive Substance

Liqui Moly Diesel Particulate Filter (DPF) Protection, 250 ml

Additive Substance - to extend filter life, prevents soot deposits, suitable for all diesel engines

Added to cart

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STP Winter diesel additive with Anti-gel 200ml - Additive Substance

STP Winter diesel additive with Anti-gel 200ml

Add AlzaPlus+ and save instantly 4.64 €

Additive Substance - prevents fuel freezing, fights corrosion and sediment

Added to cart

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RAVENOL Diesel Clean Extreme, 300 ml - Additive Substance

RAVENOL Diesel Clean Extreme, 300 ml

Additive Substance to diesel - winter and summer, for cars and trucks, carburettor and throttle body cleaner, injection cleaner and fuel system cleaner, dissolves deposits, 300 ml...

Added to cart

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LIQUI MOLY Diesel additive for improved acceleration 250ml - Additive Substance

LIQUI MOLY Diesel additive for improved acceleration 250ml

Additive Substance - additive to improve the combustion of diesel engines

Added to cart

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SONAX Diesel Fuel System Cleaner, 250ml - Additive Substance

SONAX Diesel Fuel System Cleaner, 250ml

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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SONAX Diesel Protection System-Common Rail, 250ml - Additive Substance

SONAX Diesel Protection System-Common Rail, 250ml

Additive Substance improves lower quality diesel and ensures the best performance for the modern diesel system, the lubrication of diesel fuel

Added to cart

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LIQUI MOLY Diesel antifreeze additive 150ml - Additive Substance

LIQUI MOLY Diesel antifreeze additive 150ml

Additive Substance - prevents the formation of paraffin in diesel, keeps the oil in liquid state

Added to cart

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VIF Super Diesel Winter Additive 500 ml - Additive Substance

VIF Super Diesel Winter Additive 500 ml

In stock at the supplier's

Additive Substance - a multifunctional additive with an anti-corrosion effect, prolongs the life of the fuel pump and nozzles

Added to cart

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