I have it run straight through from the racor filter because i don’t know if this treatment will damage my fuel bladders. i’m i wrong?

To be added directly into the fuel tank! Contents (500 mL) is sufficient for 25-80 Liters (7 gal. to 21 gal.) fuel.

Does this go in the gas tank or do you have to run it off the feed line and the fuel filter like diesel purge?

To be added directly into the diesel fuel tank. The product mixes with the fuel automatically. Contents (500 mL) is sufficient for 25-80 Liters (7 gal. to 21 gal.) fuel.

Can it be used with liqui moly diesel particulate filter / dpf protector at the same time?

Our fuel additives should be used ideally one per treatment (one full fuel tank) only, means two additives should not be mixed together. Using one additive per treatment will guartantee the full product performance and effectiveness of the product without having the risk of a overdosage.

I’ve seen a lot of different answers in this so I’m asking again. This product is meant to add to the fuel tank correct?

Yes, just add to a full tank of Diesel and do your daily driving until it’s time to fill up again. Your system will be cleaned and efficient.

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🚀 Power up your diesel—clean smarter, drive smoother!

CONCENTRATED POWER BOOST - Just 500ml packs a potent punch to keep your engine running at peak performance.
ULTIMATE CORROSION SHIELD - Defend your diesel engine from costly wear and tear with advanced anti-corrosion tech.
WHISPER QUIET PERFORMANCE - Turn down the noise—enjoy a quieter, more refined engine operation.
MAXIMIZED ENGINE EFFICIENCY - Experience smoother rides and improved fuel economy with every use.
UNIVERSAL FIT FOR ALL DIESELS - One powerful formula that fits seamlessly into any diesel engine.

Liqui Moly Pro-Line Diesel Cleaner (500ml) is a concentrated fuel system additive designed to protect diesel engines from corrosion, enhance operational reliability, improve fuel economy, and reduce engine noise. Its universal fit makes it an essential maintenance product for all diesel-powered vehicles.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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