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Monograde Engine Oil

Choose from a great range of Monograde, or commonly referred to as "Straight" engine oil / automotive lubricants aimed at generally classic applications.

Engine oil plays a massive role in your vehicle's daily running. It lubricates, cools and cleans the internal motor components ensuring maximum protection and peak running performance.

We only stock oils we trust, so you can buy with confidence

If you're unsure if Monograde engine oil is correct for your vehicle, get a custom oil recommendation from the Opie Experts.

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22 Products

Castrol Classic XL30 High Quality Monograde Engine Oil
On Sale
Was £42.95
£40.80
Price Beater
 
Castrol Classic XXL40 High Quality Monograde Engine Oil
On Sale
Was £45.95
£43.66
Price Beater
Millers Oils Classic Pistoneeze 40 Mineral Engine Oil
On Sale
Was £10.99
£10.44
Price Beater
Silkolene Hardwick Classic / Vintage SAE 50 Monograde Mineral Oil
Millers Oils Classic Running In Oil 30
On Sale
Was £36.95
£35.10
Price Beater
Comma Classic SAE 30 Monograde Mineral Car Engine Oil
Comma Classic SAE 40 Monograde Mineral Car Engine Oil
Elf HTX Prestige SAE 40 Classic Mineral Engine Oil
Millers Oils Liquid Glaze Bust
On Sale

5 Litres

Was £39.95
£37.96
Price Beater
Millers Oils Vintage Millerol 30 Monograde Mineral Engine Oil
On Sale
Was £9.95
£9.46
Price Beater
Millers Oils Vintage Millerol 50 Monograde Mineral Engine Oil
On Sale
Was £31.99
£30.40
Price Beater
Fuchs Titan Universal HD 20W-20 MONOGRADE MINERAL Engine Oil
Millers Oils Classic Pistoneeze 50 Mineral Engine Oil
On Sale
Was £10.99
£10.44
Price Beater
Millers Oils Vintage Millerol 40 Monograde Mineral Engine Oil
On Sale
Was £12.95
£12.30
Price Beater
Millers Oils Classic Pistoneeze 30 Mineral Engine Oil
On Sale
Was £10.99
£10.44
Price Beater
Castrol Classic GP50 Low Detergent SAE 50 Monograde Engine Oil
On Sale
Was £44.95
£42.71
Price Beater
Fuchs Titan Universal HD SAE 30 - HD30 - Mineral Engine Oil
Motul Classic SAE 30 Low Detergent Mineral Car Engine & Gear Oil
Millers Oils Motorsport CB40 SAE 40 Competition Castor Based Engine Oil
On Sale
Was £36.95
£35.10
Price Beater
Fuchs Titan Universal HD 10w Monograde Engine Oil
Silkolene Chatsworth SAE 40 Classic & Vintage Monograde Mineral Engine Oil
Silkolene Chatsworth SAE 30 Classic & Vintage Monograde Mineral Engine Oil