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.
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.
in 6 offers
The lowest price for Liqui Moly Pro-Line Diesel System Cleaner 500ml right now is $30.76 at Lymm Engine Components, compared across 6 retailers.
The all-time low was $19.37 on 15 Dec 2024 — today's price is 59% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 25 Oct 2026.
Last updated at 25/10/2026 07:27:44
Liqui Moly Pro Line Diesel System Injector Cleaner Flush Treatment 500ml | 5156
Pro-line Diesel System Cleaner 500ml - Liqui Moly
Delivery between 30 Oct – 3 Nov $13.25
Liqui Moly Pro Line Diesel System Cleaner 500ml 21602 Removes Deposits Protects Fuel System
Delivery $8
Liqui Moly Liqui Moly Pro-Line Diesel System Cleaner 500ML
Delivery between 2–5 Nov $9.70
LIQUI MOLY Pro-Line Diesel Cleaner - 500mL - 6 Pack
Free delivery between Tue – Wed
LIQUI MOLY Pro-Line Diesel System Cleaner Concentrate - Case of 6 x 1L
Delivery between 28 Oct – 5 Nov $28.45
| Engine Type | Petrol |
| Brand | LIQUI MOLY |
Liqui Moly Pro Line Diesel System Injector Cleaner Flush Treatment 500ml | 5156
Pro-line Diesel System Cleaner 500ml - Liqui Moly
Delivery between 30 Oct – 3 Nov $13.25
Liqui Moly Pro Line Diesel System Cleaner 500ml 21602 Removes Deposits Protects Fuel System
Delivery $8
Liqui Moly Liqui Moly Pro-Line Diesel System Cleaner 500ML
Delivery between 2–5 Nov $9.70
LIQUI MOLY Pro-Line Diesel Cleaner - 500mL - 6 Pack
Free delivery between Tue – Wed
| Engine Type | Petrol |
| Brand | LIQUI MOLY |
