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Castrol Magnatec DX 5W-40 Diesel Engine Oil 1 L
Castrol Magnatec DX 5W-40 Diesel Engine Oil 1 L
Castrol Magnatec DX 5W-40 Diesel Engine Oil 1 L

Castrol Magnatec DX 5W-40 Diesel Engine Oil 1 L

Castrol Magnatec DX 5W-40 Diesel Engine Oil 1 L

$26.99

(127 reviews)

Castrol Magnatec Diesel DX 5W-40 Engine Oil 1L Castrol Magnatec Diesel DX 5W-40 Engine OilDPF compatible technology with intelligent molecules for an extra layer of protection, reducing wear during the critical warm-up period. Its unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel. Up to 75% of engine wear happens while your engine warms up. When the engine stops oils drain off critical engine parts, however Castrol Magnatec’s intelligent molecules don’t. They cling to the engine like a magnet providing an extra layer of protection. Castrol Magnatec’s unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel.

Castrol Magnatec Diesel DX 5W-40 Engine Oil 1L Castrol Magnatec Diesel DX 5W-40 Engine OilDPF compatible technology with intelligent molecules for an extra layer of protection, reducing wear during the critical warm-up period. Its unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel. Up to 75% of engine wear happens while your engine warms up. When the engine stops oils drain off critical engine parts, however Castrol Magnatec’s intelligent molecules don’t. They cling to the engine like a magnet providing an extra layer of protection. Castrol Magnatec’s unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel.

(127 reviews)

Castrol Magnatec Diesel DX 5W-40 Engine Oil 1L Castrol Magnatec Diesel DX 5W-40 Engine OilDPF compatible technology with intelligent molecules for an extra layer of protection, reducing wear during the critical warm-up period. Its unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel. Up to 75% of engine wear happens while your engine warms up. When the engine stops oils drain off critical engine parts, however Castrol Magnatec’s intelligent molecules don’t. They cling to the engine like a magnet providing an extra layer of protection. Castrol Magnatec’s unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel.

Castrol Magnatec Diesel DX 5W-40 Engine Oil 1L Castrol Magnatec Diesel DX 5W-40 Engine OilDPF compatible technology with intelligent molecules for an extra layer of protection, reducing wear during the critical warm-up period. Its unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel. Up to 75% of engine wear happens while your engine warms up. When the engine stops oils drain off critical engine parts, however Castrol Magnatec’s intelligent molecules don’t. They cling to the engine like a magnet providing an extra layer of protection. Castrol Magnatec’s unique formulation protects from the moment you start, dramatically reducing engine wear. Now with ultra-refined molecules, for protection you can see, hear and feel.

$26.99 - $35.99

in 4 offers

The lowest price for Castrol Magnatec DX 5W-40 Diesel Engine Oil 1 L right now is $26.99 at Autobarn, compared across 4 retailers.

The all-time low was $13.56 on 12 Aug 2023 — today's price is 99% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 4 Nov 2026.

Size:

1 L
5 L
10 L
20 L

Price comparison

Price data powered by pricesAPI.io

Last updated at 04/11/2026 23:43:49

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=autobarn.com.au&sz=64Autobarn

$26.99

Castrol Magnatec DX 5W-40 Diesel Engine Oil - 3383628

https://www.google.com/s2/favicons?domain=autopro.com.au&sz=64autopro.com.au

$26.99

Castrol Magnatec DX 5W-40 Diesel Engine Oil - 3383628

https://www.google.com/s2/favicons?domain=universalautospares.com.au&sz=64Universal Auto Spares

$28.99

MAGNATEC Diesel DX 5W-40 1L - Castrol

Delivery between 6–14 Nov $10.07

https://www.google.com/s2/favicons?domain=supercheapauto.com.au&sz=64Supercheap Auto AU

$35.99

Castrol MAGNATEC Diesel DX 5W-40 Full Synthetic Engine Oil 1 Litre

Delivery between 9–12 Nov $9.99

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Best oil for your diesel engines keep handy in car
12 October 2021Thirsty

originally posted on supercheapauto.com.au

Castrol always top quality oil for diesel engines Package is very handy size

Castrol
25 May 2015Sam

originally posted on supercheapauto.com.au

Very good

Convenience
25 May 2015Ross

originally posted on supercheapauto.com.au

This has always been a great oil and the convenience of the 1 litre bottle when traveling is great.

Specification

Form ConfigurationOil, Liquid
FormLiquid
Viscosity5W-40
Operating TemperatureExtreme cold start-up conditions
Intended UseAutomotive, Lubrication

Price comparison

Updated 3 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=autobarn.com.au&sz=64
Autobarn

$26.99

Castrol Magnatec DX 5W-40 Diesel Engine Oil - 3383628

https://www.google.com/s2/favicons?domain=autopro.com.au&sz=64
autopro.com.au

$26.99

Castrol Magnatec DX 5W-40 Diesel Engine Oil - 3383628

https://www.google.com/s2/favicons?domain=universalautospares.com.au&sz=64
Universal Auto Spares

$28.99

MAGNATEC Diesel DX 5W-40 1L - Castrol

Delivery between 6–14 Nov $10.07

https://www.google.com/s2/favicons?domain=supercheapauto.com.au&sz=64
Supercheap Auto AU

$35.99

Castrol MAGNATEC Diesel DX 5W-40 Full Synthetic Engine Oil 1 Litre

Delivery between 9–12 Nov $9.99

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Best oil for your diesel engines keep handy in car
12 October 2021

Castrol always top quality oil for diesel engines Package is very handy size

Thirsty originally posted on supercheapauto.com.au
Castrol
25 May 2015

Very good

Sam originally posted on supercheapauto.com.au
Convenience
25 May 2015

This has always been a great oil and the convenience of the 1 litre bottle when traveling is great.

Ross originally posted on supercheapauto.com.au
Good value for quality product. Highly recommended
17 April 2022

Good price for an awesome product for Diesel engines with DPF.

Mikey 069 originally posted on supercheapauto.com.au
Great oils
6 February 2021

Have always liked and used Castrol products ever since I was an apprentice

originally posted on repco.co.nz
Great size
7 December 2017

Perfect size to keep in the car for a top up

costy originally posted on supercheapauto.com.au
MR
27 May 2015

excellent product

Brett originally posted on supercheapauto.com.au
The good oil
17 December 2022

Suits my vehicle, solid manufacturer with great products

Fred originally posted on supercheapauto.com.au
diesel oil
27 May 2015

Fast servicw

stephen originally posted on supercheapauto.com.au
oil
26 January 2021

oil top up for the car friendly service great staff at Moe branch

kim originally posted on supercheapauto.com.au

Specification

Form ConfigurationOil, Liquid
FormLiquid
Viscosity5W-40
Operating TemperatureExtreme cold start-up conditions
Intended UseAutomotive, Lubrication

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