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Castrol GTX 15W-40 Diesel Engine Oil 1 L

Castrol GTX 15W-40 Diesel Engine Oil 1 L

For petrol, diesel applications. View specifications and choose the correct grade for your application.

For petrol, diesel applications. View specifications and choose the correct grade for your application.

$13.46 - $65.00

in 9 offers

The lowest price for Castrol GTX 15W-40 Diesel Engine Oil 1 L right now is $13.46 at Automotive Superstore, compared across 8 retailers.

The all-time low was $13.46 on 3 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.

Prices last updated 3 Nov 2026.

Size:

15w-40 1L
1 L

Castrol GTX 15W-40 Diesel Engine Oil 1 L

$13.46

For petrol, diesel applications. View specifications and choose the correct grade for your application.

For petrol, diesel applications. View specifications and choose the correct grade for your application.

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 23:26:55

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

$13.46

Castrol GTX Diesel 15W-40 Engine Oil 1L 3437070 fits GMC Suburban 6.5 Tdi L56 AWD Diesel SUV 10/93-09/99 135kw

Delivery between 4–16 Nov $10.95

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

$17.94

GTX DIESEL15/40 1 LT - Shoalhaven Oil Supplies

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

$23.00

Castrol GTX Diesel 15W-40 Engine Oil 1L - 3383439

Delivery $12

https://www.google.com/s2/favicons?domain=checkout.4wd247.com&sz=644wd247.com

$24.00

Castrol GTX 15W-40 Diesel Premium Mineral Engine Oil 1L - 3383439

Delivery $9

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

$24.99

GTX Diesel 15W-40 1L - Castrol

Delivery between 5–13 Nov $10.07

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

$29.99

Castrol GTX 15W-40 Diesel Engine Oil 1L

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

$59.99

Castrol GTX Diesel 15W-40 Engine Oil — 1L 3437070

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

$65.00

Castrol Gtx Diesel 15w-40 1l - 3437070 Car Service Workshop Tool

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!

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 Temperature202°C (flash point)

Price comparison

Updated 4 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=automotivesuperstore.com.au&sz=64
Automotive Superstore

$13.46

Out of stock

Castrol GTX Diesel 15W-40 Engine Oil 1L 3437070 fits GMC Suburban 6.5 Tdi L56 AWD Diesel SUV 10/93-09/99 135kw

Delivery between 4–16 Nov $10.95

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

$17.94

Out of stock

GTX DIESEL15/40 1 LT - Shoalhaven Oil Supplies

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

$23.00

Out of stock

Castrol GTX Diesel 15W-40 Engine Oil 1L - 3383439

Delivery $12

https://www.google.com/s2/favicons?domain=checkout.4wd247.com&sz=64
4wd247.com

$24.00

Out of stock

Castrol GTX 15W-40 Diesel Premium Mineral Engine Oil 1L - 3383439

Delivery $9

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

$24.99

GTX Diesel 15W-40 1L - Castrol

Delivery between 5–13 Nov $10.07

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 Temperature202°C (flash point)

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