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Oil System Additives & Flushes

Historically, we haven't recommended engine oil flushes or system additives during servicing, but these days, solvent-free, detergent-based engine flush and additives are available which does a much better job without the disadvantages of solvent-based engine flush.

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37 Products

Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment
 
Liqui Moly Engine Flush Plus
Isopon Leak Stop For Petrol Tanks Radiators & Sumps
Millers Oils Stop Leak Engine and Gear Oil Treatment
Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based
Liqui Moly Motor Oil Saver
Castrol Engine Shampoo (Pre-Oil Change Treatment)
EXOPRO ENGINE FLUSHING OIL (U350)
Comma Engine Flush Oil Additive for Petrol & Diesel Engines
Comma X-Flow Flush Out Mineral Engine Oil Flush
Wynns Automatic Transmission Flush
WYNNS Engine Oil Stop Leak
Wynns Hydraulic Valve Lifter Concentrate
JLM BorTec Friction Reduction Oil Additive
Wynns Petrol Total Action Treatment
Wynns Total Action Diesel Cleaner
Wynns Total Action Petrol Cleaner
Lucas Oil - Engine Oil Stop Leak
Opie Price
£32.95
Price Beater
Lucas Oil Heavy Duty Oil Stabiliser
Opie Price
£8.95
Price Beater
Lucas Oil Pure Synthetic Heavy Duty Oil Stabiliser
Opie Price
£22.99
Price Beater
Wynns HPLS Transmission Treatment (+ Stop Leak Properties)
Wynns Stop Smoke for Oil - Petrol & Diesel Engines
Wynns Super Charge Oil Treatment for Petrol & Diesel Engines
Valvoline Engine Oil System Cleaner
Valvoline Engine Oil Stop Leak ML V1
Valvoline Engine Oil Treatment ML V1
STP Oil Treatment for Petrol Engines (60450EN06)
STP Smoke Treatment for Petrol Engines (64450EN06)
Amsoil Break-In Oil SAE 30

1 US Quart

Opie Price
£11.95
Price Beater
Kalimex JLM Engine Oil Flush
Kalimex JLM Oil Stop Smoke Treatment
Revive Turbo Cleaner & Power Restorer Preventatice Treatment Service Shot
Wynns CV Super Charge Oil Treatment
Wynns CV Starter Kit (Inc. Free Display)
Free Shipping

Single

Opie Price
£349.99
Price Beater
STP Engine Flush - Petrol & Diesel Engines

450ml

Opie Price
£4.99

Currently Unavailable

Price Beater
Wynns Hydraulic Valve Lifter Treatment

325ml

Opie Price
£10.99

Currently Unavailable

Price Beater
Wynns Oil System Cleaner

325ml

Opie Price
£10.99

Currently Unavailable

Price Beater