Castrol is here to serve every driver, every motorcyclist and every industry on Earth. That means creating high performance oils, lubricants, fluids and greases for every application you can imagine.
Castrol is here to serve every driver, every motorcyclist and every industry on Earth. That means creating high performance oils, lubricants, fluids and greases for every application you can imagine.
Castrol MAGNATEC 5W-40 Diesel DX Engine Oil 20L - 3384168
Castrol is here to serve every driver, every motorcyclist and every industry on Earth. That means creating high performance oils, lubricants, fluids and greases for every application you can imagine.
Castrol is here to serve every driver, every motorcyclist and every industry on Earth. That means creating high performance oils, lubricants, fluids and greases for every application you can imagine.
in 18 offers
The lowest price for Castrol MAGNATEC 5W-40 Diesel DX Engine Oil 20L - 3384168 right now is $94.00 at 4wd247.com, compared across 13 retailers.
The all-time low was $77.56 on 6 Oct 2026 — today's price is 21% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 31 Oct 2026.
Last updated at 31/10/2026 04:29:39
Castrol Magnatec DX 5W-40 Diesel Engine Oil 10 Litre
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Castrol Magnatec Diesel Dx 5W-40 Engine Oil 10L - 3383630
Delivery $9
Castrol Magnatec Diesel DX 5W40 Engine Oil 10L 3422230 fits Isuzu D-Max III 3.0 DDI RWD (TFR40J) 4JJ3-TCX RWD Diesel Ute 06/20-/ 140kw
Delivery between 2–12 Nov $10.95
Castrol Magnatec Diesel DX 5W40 Engine Oil - 10 Litre (3422230)
Free delivery between 5–13 Nov
Castrol Magnatec Diesel DX 5W40 Engine Oil - 10 Litre
Delivery between 4–12 Nov $24.80
Castrol MAG DIESEL DX 5W-40 10L
Delivery between 5–13 Nov $25
Castrol MAGNATEC Diesel DX 5W-40 Engine Oil - 10L 3422230
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
MAGNATEC Diesel DX 5W-40 10L - Castrol
Delivery between 2–10 Nov $15.69
Castrol Magnatec Diesel Dx 5W40 10L Full Synthetic Engine Oil Diesel Particulate Filter Compatible 3422230
Delivery $14
Castrol MAGNATEC Diesel DX 5W-40 Full Synthetic Engine Oil 10 Litre
Delivery between Tue – Fri $12.99
originally posted on repco.com.au
Have used this product repeatedly and find it is value for money when bought on sale. Happy to buy large quantity to save even more. As my wife's vehicle has a 7 liter sump capacity I nearly get 3 oil changes form this product.
originally posted on repco.com.au
That's what I need for diesel oil 20 litres than 5 litres
| Form Configuration | Oil, Liquid |
| Form | Liquid |
| Viscosity | 5W-40 |
| Operating Temperature | Extreme cold start-up conditions |
| Intended Use | Automotive, Lubrication |
Castrol Magnatec DX 5W-40 Diesel Engine Oil 10 Litre
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Castrol Magnatec Diesel Dx 5W-40 Engine Oil 10L - 3383630
Delivery $9
Castrol Magnatec Diesel DX 5W40 Engine Oil 10L 3422230 fits Isuzu D-Max III 3.0 DDI RWD (TFR40J) 4JJ3-TCX RWD Diesel Ute 06/20-/ 140kw
Delivery between 2–12 Nov $10.95
Castrol Magnatec Diesel DX 5W40 Engine Oil - 10 Litre (3422230)
Free delivery between 5–13 Nov
Castrol Magnatec Diesel DX 5W40 Engine Oil - 10 Litre
Delivery between 4–12 Nov $24.80
Have used this product repeatedly and find it is value for money when bought on sale. Happy to buy large quantity to save even more. As my wife's vehicle has a 7 liter sump capacity I nearly get 3 oil changes form this product.
That's what I need for diesel oil 20 litres than 5 litres
| Form Configuration | Oil, Liquid |
| Form | Liquid |
| Viscosity | 5W-40 |
| Operating Temperature | Extreme cold start-up conditions |
| Intended Use | Automotive, Lubrication |
