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20w-50 Engine Oil SJ/CE


Duckhams Classic Q 20W-50, true to its history as “the engine’s choice” and recommended in a wide range of original owners’ handbooks, is the classic SAE 20W-50 engine oil.


Fulfilled by OPIE Oils

EAN: N/A SKU: 20w-50-Engine-Oil Categories: , ,

Please note that if you purchase any goods on our site you will be purchasing from Opie Oils Limited and you thereby agree to be legally bound by the terms and conditions of Opie Oils Limited which can be found on their website


Duckhams Classic Q 20W-50 features an optimal level of ZDDP (“zinc”) anti-wear capability, moderate detergency and stay-in-grade shear stability designed specifically for petrol and diesel fuelled classic vehicles manufactured between 1950 and 1989 and is also suitable for older vehicles where full-flow cartridge filters have been retro-fitted.

Duckhams Classic Q 20W-50 is unsurpassed in controlling oil consumption, minimising deposits and maintaining oil pressure in older engines.



Performance Level


Oil Type

Hydrofinished mineral oil




1 Litre 1 Gallon 20 Litres

Engine Diesel


Engine Petrol


Size (Litres)

1L 4.54L 20L


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  • Duckhams Classic Q 20W-50 is formulated to provide excellent low temperature pumpability so that the oil flows freely and minimises wear at start-up, even at very low temperatures.
  • Protection at operating temperature is assured. For reference, Duckhams invented, and perfected, multigrade oils in Europe.
  • Timing gear and bearing life is maximised on account of the product’s excellent performance across the engine’s full operating temperature range, from cold start to operating temperature –Duckhams Classic Q 20W-50 is truly “the engine’s choice”
  • Through careful selection of oxidation-stable base oils and additive technology, Duckhams Classic Q 20W-50 protects from bearing corrosion and prevents sludge build-up.
  • Duckhams Classic Q 20W-50 is formulated specifically for vehicles manufactured from 1950 – 1989 and also older vehicles where full-flow cartridge filters have been retro-fitted.
  • Optimised ZDDP (“zinc”) level for engine component wear protection is a leading feature of Duckhams Classic Q 20W-50
  • API SJ/CE performance level
  • Original, distinctive “Duckhams green” colour


Please note that orders placed after 4pm, will be
processed the following day, adding 1 working day to the delivery service.