Highly concentrated, ready to use cleaning fluid. Removes deposits in the injection pump, on injection nozzles and in the combustion chamber and keeps them from forming again. Prevents jet needles from fusing and gumming. Improves engine running and optimizes the exhaust gas values. Eliminates starting problems, rough engine running, poor throttle response and power loss. Maintains and protects the entire fuel system from wear and corrosion. Clean engines need less fuel and reduce emissions.
Highly concentrated, ready to use cleaning fluid. Removes deposits in the injection pump, on injection nozzles and in the combustion chamber and keeps them from forming again. Prevents jet needles from fusing and gumming. Improves engine running and optimizes the exhaust gas values. Eliminates starting problems, rough engine running, poor throttle response and power loss. Maintains and protects the entire fuel system from wear and corrosion. Clean engines need less fuel and reduce emissions.
in 3 offers
The lowest price for Liqui Moly Pro-Line Diesel System Cleaner 500ml right now is $48.00 at Universal Auto Spares, compared across 3 retailers.
The all-time low was $21.12 on 11 Mar 2026 — today's price is 127% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 4 June 2026.
Liqui Moly Pro-Line Diesel System Cleaner 500ml
Highly concentrated, ready to use cleaning fluid. Removes deposits in the injection pump, on injection nozzles and in the combustion chamber and keeps them from forming again. Prevents jet needles from fusing and gumming. Improves engine running and optimizes the exhaust gas values. Eliminates starting problems, rough engine running, poor throttle response and power loss. Maintains and protects the entire fuel system from wear and corrosion. Clean engines need less fuel and reduce emissions.
Highly concentrated, ready to use cleaning fluid. Removes deposits in the injection pump, on injection nozzles and in the combustion chamber and keeps them from forming again. Prevents jet needles from fusing and gumming. Improves engine running and optimizes the exhaust gas values. Eliminates starting problems, rough engine running, poor throttle response and power loss. Maintains and protects the entire fuel system from wear and corrosion. Clean engines need less fuel and reduce emissions.
Last updated at 04/06/2026 15:58:41
Pro-line Diesel System Cleaner 500ml - Liqui Moly
Delivery $14.95
Liqui Moly - Pro-line Diesel System Cleaner K - Fuel Injection - 1l -
Delivery $24.11
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Pro-Line Diesel System Cleaner K | 1 L | Fuel additive for diesel | SKU: 5144
Free delivery between 15–18 June
Pro-line Diesel System Cleaner 500ml - Liqui Moly
Delivery $14.95
Liqui Moly - Pro-line Diesel System Cleaner K - Fuel Injection - 1l -
Delivery $24.11
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Pro-Line Diesel System Cleaner K | 1 L | Fuel additive for diesel | SKU: 5144
Free delivery between 15–18 June
