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Castrol GTX 5W-30 C4 Engine Oil 20L - 3433322
Castrol GTX 5W-30 C4 Engine Oil 20L - 3433322
Castrol GTX 5W-30 C4 Engine Oil 20L - 3433322

Castrol GTX 5W-30 C4 Engine Oil 20L - 3433322

Castrol GTX 5W-30 C4 Engine Oil 20L - 3433322

$306.00

(657 reviews)

Castrol GTX 5W-30 C4 Engine Oil 20L Castrol GTX is one of the world&rsquo,s most trusted engine oils. The modern world creates difficult challenges for engines. Poor fuel quality, heat and frequent short trips can all lead to sludge that potentially shortens engine life. Sludge is a sticky deposit that can block your engine&rsquo,s vital oilways and if untreated it can rob an engine of power and, ultimately, its life. Castrol GTX with 3X CLEAN formula works to Catch - Control &ndash, Clean dirt from engine oilways, keeping your engine cleaner for longer and helping to extend engine life. Castrol GTX also protects against new sludge formation better than tough industry standards*. Help extend the life of your engine with Castrol GTX. * vs. ACEA C4 limits When choosing oil, please refer to your owner's handbook. The product specifications required may also be suitable for other vehicles Browse online using our handy Rego Search tool to find the best Castrol oils for your application or come in store today and speak to one of our friendly staff. Changing your oil will also need you changing your oil filter to fully protect your engine and maximise the performance of your Castrol oil. When it comes to Oils and Fluids, the range doesn't just stop at Magnatec, GTX or Edge, Repco stock a range of quality Castrol Grease, Transmission Fluid, Gear Oil, Lawnmower and Motorbike Oil, Marine Oil and Additives all designed to protect and maximise the performance of any application.

Castrol GTX 5W-30 C4 Engine Oil 20L Castrol GTX is one of the world&rsquo,s most trusted engine oils. The modern world creates difficult challenges for engines. Poor fuel quality, heat and frequent short trips can all lead to sludge that potentially shortens engine life. Sludge is a sticky deposit that can block your engine&rsquo,s vital oilways and if untreated it can rob an engine of power and, ultimately, its life. Castrol GTX with 3X CLEAN formula works to Catch - Control &ndash, Clean dirt from engine oilways, keeping your engine cleaner for longer and helping to extend engine life. Castrol GTX also protects against new sludge formation better than tough industry standards*. Help extend the life of your engine with Castrol GTX. * vs. ACEA C4 limits When choosing oil, please refer to your owner's handbook. The product specifications required may also be suitable for other vehicles Browse online using our handy Rego Search tool to find the best Castrol oils for your application or come in store today and speak to one of our friendly staff. Changing your oil will also need you changing your oil filter to fully protect your engine and maximise the performance of your Castrol oil. When it comes to Oils and Fluids, the range doesn't just stop at Magnatec, GTX or Edge, Repco stock a range of quality Castrol Grease, Transmission Fluid, Gear Oil, Lawnmower and Motorbike Oil, Marine Oil and Additives all designed to protect and maximise the performance of any application.

(657 reviews)

Castrol GTX 5W-30 C4 Engine Oil 20L Castrol GTX is one of the world&rsquo,s most trusted engine oils. The modern world creates difficult challenges for engines. Poor fuel quality, heat and frequent short trips can all lead to sludge that potentially shortens engine life. Sludge is a sticky deposit that can block your engine&rsquo,s vital oilways and if untreated it can rob an engine of power and, ultimately, its life. Castrol GTX with 3X CLEAN formula works to Catch - Control &ndash, Clean dirt from engine oilways, keeping your engine cleaner for longer and helping to extend engine life. Castrol GTX also protects against new sludge formation better than tough industry standards*. Help extend the life of your engine with Castrol GTX. * vs. ACEA C4 limits When choosing oil, please refer to your owner's handbook. The product specifications required may also be suitable for other vehicles Browse online using our handy Rego Search tool to find the best Castrol oils for your application or come in store today and speak to one of our friendly staff. Changing your oil will also need you changing your oil filter to fully protect your engine and maximise the performance of your Castrol oil. When it comes to Oils and Fluids, the range doesn't just stop at Magnatec, GTX or Edge, Repco stock a range of quality Castrol Grease, Transmission Fluid, Gear Oil, Lawnmower and Motorbike Oil, Marine Oil and Additives all designed to protect and maximise the performance of any application.

Castrol GTX 5W-30 C4 Engine Oil 20L Castrol GTX is one of the world&rsquo,s most trusted engine oils. The modern world creates difficult challenges for engines. Poor fuel quality, heat and frequent short trips can all lead to sludge that potentially shortens engine life. Sludge is a sticky deposit that can block your engine&rsquo,s vital oilways and if untreated it can rob an engine of power and, ultimately, its life. Castrol GTX with 3X CLEAN formula works to Catch - Control &ndash, Clean dirt from engine oilways, keeping your engine cleaner for longer and helping to extend engine life. Castrol GTX also protects against new sludge formation better than tough industry standards*. Help extend the life of your engine with Castrol GTX. * vs. ACEA C4 limits When choosing oil, please refer to your owner's handbook. The product specifications required may also be suitable for other vehicles Browse online using our handy Rego Search tool to find the best Castrol oils for your application or come in store today and speak to one of our friendly staff. Changing your oil will also need you changing your oil filter to fully protect your engine and maximise the performance of your Castrol oil. When it comes to Oils and Fluids, the range doesn't just stop at Magnatec, GTX or Edge, Repco stock a range of quality Castrol Grease, Transmission Fluid, Gear Oil, Lawnmower and Motorbike Oil, Marine Oil and Additives all designed to protect and maximise the performance of any application.

$306.00 - $424.99

in 3 offers

The lowest price for Castrol GTX 5W-30 C4 Engine Oil 20L - 3433322 right now is $306.00 at Repco Auto Parts Smithfield, compared across 3 retailers.

The all-time low was $30.45 on 4 June 2026 — today's price is 905% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 7 June 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 07/06/2026 03:27:17

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

$306.00

Castrol GTX C4 5W-30 Engine Oil 20L - 3433322

Delivery $12

Oila - Oil and Grease Centre

$312.00

Castrol EDGE PROF C4 5W30 20L

Delivery between 8–15 June $22

Automotive Superstore

$424.99

Castrol GTX 5W-30 C4 20L 3433322 fits Renault Megane II 1.9 dCi F9Q 804 F9Q 818 FWD Diesel Wagon 05/05-07/09 81kw

Delivery between 8–18 June $10.95

Price history

Price history

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

Specification

ACEA specificationC4
WarrantyLimited

Price comparison

Updated 3 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Repco Auto Parts Smithfield

$306.00

Castrol GTX C4 5W-30 Engine Oil 20L - 3433322

Delivery $12

Oila - Oil and Grease Centre

$312.00

Castrol EDGE PROF C4 5W30 20L

Delivery between 8–15 June $22

Automotive Superstore

$424.99

Castrol GTX 5W-30 C4 20L 3433322 fits Renault Megane II 1.9 dCi F9Q 804 F9Q 818 FWD Diesel Wagon 05/05-07/09 81kw

Delivery between 8–18 June $10.95

Price history

Price history

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

Specification

ACEA specificationC4
WarrantyLimited

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