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Castrol - Win a chance to race Esteban Ocon

Oil System Additives & Flushes

High Quality, Oil Flush & System Additives from Opie Oils.

Historically we haven't recommended engine oil flushes or system additives during servicing, but these days solvent-free, detergent-based engine flush and additives is available which does a much better job without the disadvantages of solvent-based engine flush.
Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment
Millers Oils Stop Leak Engine and Gear Oil Treatment
Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based
Castrol Engine Shampoo (Pre-Oil Change Treatment)
Comma Engine Flush for Petrol & Diesel Engines
Wynns Stop Smoke for Oil - Petrol & Diesel Engines
Wynns Super Charge Oil Treatment for Petrol & Diesel Engines
WYNNS Engine Oil Stop Leak
WYNNS Hydraulic Valve Lifter Concentrate
WYNNS Super Charge
On Sale

325ml

Was £11.95
£7.99
Price Beater
10K Boost Hydraulic Valve Lifter Treatment
10K Boost Diesel Oil Treatment (1432A)
Power Maxed Engine Flush Treatment
STP Oil Treatment for Petrol Engines (60450EN06)
Comma X-Flow Flush Out - Mineral Flushing Oil

15 Products

Review Opie Oils

Review Stars

Rated Excellent