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- 11%
Castrol GTX High Mileage 15W-50 Engine Oil 1L - 3413803
Castrol GTX High Mileage 15W-50 Engine Oil 1L - 3413803
Castrol GTX High Mileage 15W-50 Engine Oil 1L - 3413803

Castrol GTX High Mileage 15W-50 Engine Oil 1L - 3413803

(55 reviews)

Castrol GTX High Mileage 15W-50 oil provides extra protection for engines with over 100,000 kilometres and are starting to show signs of wear. As an engine gets older gaskets become brittle, seals can deteriorate and oil can burn faster. Castrol GTX High Mileage helps extend engine life by providing superior protection against deposit build-up, increased seal performance and protection against oil burn off. Castrol GTX High Mileage is the perfect oil to help extend the life of your engine.Castrol GTX High Mileage 15W-50 is suitable for use in automotive petrol engines where the manufacturer recommends an API SN or earlier specification 15W-50 oil is used. To find the oil type and viscosity suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.

Castrol GTX High Mileage 15W-50 oil provides extra protection for engines with over 100,000 kilometres and are starting to show signs of wear. As an engine gets older gaskets become brittle, seals can deteriorate and oil can burn faster. Castrol GTX High Mileage helps extend engine life by providing superior protection against deposit build-up, increased seal performance and protection against oil burn off. Castrol GTX High Mileage is the perfect oil to help extend the life of your engine.Castrol GTX High Mileage 15W-50 is suitable for use in automotive petrol engines where the manufacturer recommends an API SN or earlier specification 15W-50 oil is used. To find the oil type and viscosity suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.

$18.74 - $134.43

in 14 offers

last seen 11 Oct 2026

The lowest price we last saw for Castrol GTX High Mileage 15W-50 Engine Oil 1L - 3413803 was $18.74 at Amazon.com.au, compared across 7 retailers (last seen 11 Oct 2026). Prices may have changed since.

The all-time low we recorded was $8.07 on 25 Aug 2025.

Prices last updated 11 Oct 2026.

Volume:

0.26 US gal

Castrol GTX High Mileage 15W-50 Engine Oil 1L - 3413803

$18.74

last seen 11 Oct 2026
(55 reviews)

Castrol GTX High Mileage 15W-50 oil provides extra protection for engines with over 100,000 kilometres and are starting to show signs of wear. As an engine gets older gaskets become brittle, seals can deteriorate and oil can burn faster. Castrol GTX High Mileage helps extend engine life by providing superior protection against deposit build-up, increased seal performance and protection against oil burn off. Castrol GTX High Mileage is the perfect oil to help extend the life of your engine.Castrol GTX High Mileage 15W-50 is suitable for use in automotive petrol engines where the manufacturer recommends an API SN or earlier specification 15W-50 oil is used. To find the oil type and viscosity suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.

Castrol GTX High Mileage 15W-50 oil provides extra protection for engines with over 100,000 kilometres and are starting to show signs of wear. As an engine gets older gaskets become brittle, seals can deteriorate and oil can burn faster. Castrol GTX High Mileage helps extend engine life by providing superior protection against deposit build-up, increased seal performance and protection against oil burn off. Castrol GTX High Mileage is the perfect oil to help extend the life of your engine.Castrol GTX High Mileage 15W-50 is suitable for use in automotive petrol engines where the manufacturer recommends an API SN or earlier specification 15W-50 oil is used. To find the oil type and viscosity suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.

1.32 US gal

Price comparison

Price data powered by pricesAPI.io

Last updated at 11/10/2026 06:20:58

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

$18.74

Castrol GTX High Mileage 15W-50 Engine Oil 1 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!

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

$20.95

Castrol GTX High Mileage Premium Mineral 15W-50 Engine Oil 1L 3413803 fits MG MAGNETTE 1.6

Delivery between 15–23 Oct $9.90

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

$24.99

Castrol GTX High Mileage 15W-50 Mineral Petrol Engine Oil 1L

14-day returns

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

$46.90

Castrol GTX High Mileage 15W-50 Engine Oil 5L - 3413802

Delivery $12

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

$58.79

Castrol Gtx High Mileage 15w-50 Engine Oil 5 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!

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

$64.44

GTX HIGH MILEAGE15W-50 5L - Shoalhaven Oil Supplies

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

$69.99

Castrol Gtx High Mileage 15W-50 Mineral Petrol Engine Oil 5L, 3413802

Price history

Price history

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

Specification

Viscosity15W-50
Form ConfigurationOil
FormLiquid
Compatible MaterialEngine seals
Compatible Vehicle TypeCar

Price comparison

Updated 27 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=amazon.com.au&sz=64
Amazon.com.au

$18.74

Castrol GTX High Mileage 15W-50 Engine Oil 1 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!

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

$20.95

Castrol GTX High Mileage Premium Mineral 15W-50 Engine Oil 1L 3413803 fits MG MAGNETTE 1.6

Delivery between 15–23 Oct $9.90

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

$24.99

Castrol GTX High Mileage 15W-50 Mineral Petrol Engine Oil 1L

14-day returns

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

$46.90

Castrol GTX High Mileage 15W-50 Engine Oil 5L - 3413802

Delivery $12

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

$58.79

Castrol Gtx High Mileage 15w-50 Engine Oil 5 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!

Price history

Price history

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

Specification

Viscosity15W-50
Form ConfigurationOil
FormLiquid
Compatible MaterialEngine seals
Compatible Vehicle TypeCar

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