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Castrol RX Super 15W 40 CJ 4 E9 Engine Oil 5L (3418278)
Castrol RX Super 15W 40 CJ 4 E9 Engine Oil 5L (3418278)
Castrol RX Super 15W 40 CJ 4 E9 Engine Oil 5L (3418278)

Castrol RX Super 15W 40 CJ 4 E9 Engine Oil 5L (3418278)

(165 reviews)

Castrol Australia

Castrol Australia

$51.70 - $63.80

in 5 offers

The lowest price for Castrol RX Super 15W 40 CJ 4 E9 Engine Oil 5L (3418278) right now is $51.70 at Eyre Trading, compared across 5 retailers.

The all-time low was $46.20 on 24 Feb 2026 — today's price is 12% above the lowest ever. That's a little above the best price we've seen.

Prices last updated 9 June 2026.

Castrol RX Super 15W 40 CJ 4 E9 Engine Oil 5L (3418278)

$51.70

(165 reviews)

Castrol Australia

Castrol Australia

Price comparison

Price data powered by pricesAPI.io

Last updated at 09/06/2026 03:08:53

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

$53.64

Castrol 15W-40 CJ-4/E9 RX Super 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!

Eyre Trading

$51.70

RX SUPER 15W-40 5L

Free delivery by 19 June

sparesbox.com.au

$53.64

Castrol RX Super 15W-40 CJ-4/E9 Engine Oil 5L 3418278 fits HOLDEN SUBURBAN 2500 4x4

Delivery between 12–22 June $9.90

MaxiPARTS

$59.00

CASTROL RX SUPER 15W-40 CJ-4/E9 5L

Delivery between 12–18 June $40

Automotive Superstore

$63.80

Castrol RX Super Engine Oil 15W40 CJ4/E9 5L 3418278 fits Toyota Dyna 200 4.1 TDi (BU223 BU102 BU222) 15B-FTE 15B-FT RWD Diesel Cab Chassis 06/95-05/99

Delivery between 9–19 June $10.95

Price history

Price history

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

Reviews

Japanese Specification
4 August 2019ianglo

originally posted on supercheapauto.com.au

This highly rated diesel oil is one of very few that meet the JASO DH-1 or 2 specification that is often called up by Japanese 4WD manufacturers.

Specification

Product dimensions20 x 10 x 35 cm; 5 Kilograms
Country of originAustralia
Viscosity15w-40
Liquid volume5 Litres
Vehicle service typeCar

Price comparison

Updated 1 day ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$53.64

Castrol 15W-40 CJ-4/E9 RX Super 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!

Eyre Trading

$51.70

RX SUPER 15W-40 5L

Free delivery by 19 June

sparesbox.com.au

$53.64

Castrol RX Super 15W-40 CJ-4/E9 Engine Oil 5L 3418278 fits HOLDEN SUBURBAN 2500 4x4

Delivery between 12–22 June $9.90

MaxiPARTS

$59.00

CASTROL RX SUPER 15W-40 CJ-4/E9 5L

Delivery between 12–18 June $40

Automotive Superstore

$63.80

Castrol RX Super Engine Oil 15W40 CJ4/E9 5L 3418278 fits Toyota Dyna 200 4.1 TDi (BU223 BU102 BU222) 15B-FTE 15B-FT RWD Diesel Cab Chassis 06/95-05/99

Delivery between 9–19 June $10.95

Price history

Price history

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

Reviews

Japanese Specification
4 August 2019

This highly rated diesel oil is one of very few that meet the JASO DH-1 or 2 specification that is often called up by Japanese 4WD manufacturers.

ianglo originally posted on supercheapauto.com.au

Specification

Product dimensions20 x 10 x 35 cm; 5 Kilograms
Country of originAustralia
Viscosity15w-40
Liquid volume5 Litres
Vehicle service typeCar

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