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Castrol GTX 15W-40 Diesel Engine Oil 20 L
Castrol GTX 15W-40 Diesel Engine Oil 20 L
Castrol GTX 15W-40 Diesel Engine Oil 20 L

Castrol GTX 15W-40 Diesel Engine Oil 20 L

Castrol GTX 15W-40 Diesel Engine Oil 20 L

$189.59

(265 reviews)

Castrol GTX is one of the world s most trusted engine oils. It s more than just oil. It s liquid engineering that provides extra protection against diesel engine problems like soot and harsh deposits that your engine faces every day. Why is this important? Because soot and harsh deposits can make your oil thicker block oil ways cause wear and decrease performance. Castrol GTX Diesel 15W-40 is part-synthetic engine oil suitable for use in automotive petrol LPG CNG and diesel (excl. DPF) vehicles where the manufacturer recommends an ACEA A3/B4 API SP or earlier specification 15W-40 lubricant. Help extend the life of your engine with Castrol GTX DIESEL.

Castrol GTX is one of the world s most trusted engine oils. It s more than just oil. It s liquid engineering that provides extra protection against diesel engine problems like soot and harsh deposits that your engine faces every day. Why is this important? Because soot and harsh deposits can make your oil thicker block oil ways cause wear and decrease performance. Castrol GTX Diesel 15W-40 is part-synthetic engine oil suitable for use in automotive petrol LPG CNG and diesel (excl. DPF) vehicles where the manufacturer recommends an ACEA A3/B4 API SP or earlier specification 15W-40 lubricant. Help extend the life of your engine with Castrol GTX DIESEL.

(265 reviews)

Castrol GTX is one of the world s most trusted engine oils. It s more than just oil. It s liquid engineering that provides extra protection against diesel engine problems like soot and harsh deposits that your engine faces every day. Why is this important? Because soot and harsh deposits can make your oil thicker block oil ways cause wear and decrease performance. Castrol GTX Diesel 15W-40 is part-synthetic engine oil suitable for use in automotive petrol LPG CNG and diesel (excl. DPF) vehicles where the manufacturer recommends an ACEA A3/B4 API SP or earlier specification 15W-40 lubricant. Help extend the life of your engine with Castrol GTX DIESEL.

Castrol GTX is one of the world s most trusted engine oils. It s more than just oil. It s liquid engineering that provides extra protection against diesel engine problems like soot and harsh deposits that your engine faces every day. Why is this important? Because soot and harsh deposits can make your oil thicker block oil ways cause wear and decrease performance. Castrol GTX Diesel 15W-40 is part-synthetic engine oil suitable for use in automotive petrol LPG CNG and diesel (excl. DPF) vehicles where the manufacturer recommends an ACEA A3/B4 API SP or earlier specification 15W-40 lubricant. Help extend the life of your engine with Castrol GTX DIESEL.

$189.59 - $282.00

in 4 offers

The lowest price for Castrol GTX 15W-40 Diesel Engine Oil 20 L right now is $189.59 at Automotive Superstore, compared across 4 retailers.

The all-time low was $130.05 on 7 July 2025 β€” today's price is 46% above the lowest ever. It has been notably cheaper before β€” worth setting a price alert.

Prices last updated 3 Nov 2026.

Size:

15w-40 1L
1 L
5 L
10 L
20 L

Volume:

0.26 US gal
1.32 US gal

Price comparison

Price data powered by pricesAPI.io

Last updated at 03/11/2026 05:01:49

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

$189.59

Castrol GTX Diesel 15W-40 20L 3437067 fits Toyota Dyna 400 4.6 TDi (XZU404 XZU342 XZU414 XZU424 XZU434) S05C-TB RWD Diesel Cab Chassis 06/03-09/06

Delivery between 4–16 Nov $17.50

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

$209.99

GTX Diesel 15W-40 20L - Castrol

Delivery between 4–12 Nov $16.30

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

$262.95

Castrol Gtx Diesel 15w-40 Engine Oil 20l 3437067

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!

https://www.google.com/s2/favicons?domain=repco.com.au&sz=64Repco Auto Parts Smithfield

$282.00

Castrol GTX Diesel 15W-40 Engine Oil 20L - 3437067

Delivery $12

Price history

Price history

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

Specification

Form ConfigurationOil
FormLiquid
MaterialMineral
Viscosity15W-40
Operating Temperature202Β°C (flash point)

Price comparison

Updated 1 day 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=automotivesuperstore.com.au&sz=64
Automotive Superstore

$189.59

Out of stock

Castrol GTX Diesel 15W-40 20L 3437067 fits Toyota Dyna 400 4.6 TDi (XZU404 XZU342 XZU414 XZU424 XZU434) S05C-TB RWD Diesel Cab Chassis 06/03-09/06

Delivery between 4–16 Nov $17.50

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

$209.99

GTX Diesel 15W-40 20L - Castrol

Delivery between 4–12 Nov $16.30

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

$262.95

Castrol Gtx Diesel 15w-40 Engine Oil 20l 3437067

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!

https://www.google.com/s2/favicons?domain=repco.com.au&sz=64
Repco Auto Parts Smithfield

$282.00

Castrol GTX Diesel 15W-40 Engine Oil 20L - 3437067

Delivery $12

Price history

Price history

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

Specification

Form ConfigurationOil
FormLiquid
MaterialMineral
Viscosity15W-40
Operating Temperature202Β°C (flash point)

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