National Warranty
Fast Delivery
Click & Collect
Australian Owned
4% OFF
Castrol

Radicool P-OAT Premix 5L - Castrol

SKU: 3431624
Sale price $65.99 Regular price $68.99
Secure checkout with
American Express Apple Pay Google Pay Mastercard PayPal Visa
Fast Delivery
Australia-wide
Click & Collect
In-store pickup
National Warranty
Manufacturer warranty
Easy Returns
Hassle-free returns

Get it delivered

Australia-wide delivery

Get your parts delivered across Australia, with delivery options and costs shown at checkout before you pay. Have a delivery question before ordering? Contact our parts team for help planning your purchase.

Download your tax invoice

Buying for your workshop, business or personal vehicle? Download your tax invoice after purchase for your records. Keep your purchase details handy for bookkeeping, warranty enquiries or future reference.

Returns & warranty

Buy with confidence knowing help is available after your purchase. Eligible items can be returned within 30 days of purchase, and our parts team can guide you through return or warranty enquiries.

Radicool P-OAT Premix 5L

Castrol Radicool P-OAT Premix is an engine coolant, supplied as one 5L pack. This premixed coolant is supplied ready for use at its stated concentration. This premixed P-OAT coolant combines phosphated organic inhibitors with protection for compatible mixed-metal cooling systems.

Key benefits

  • Premixed supply avoids concentrate dilution during filling.
  • Supports corrosion protection across the listed cooling-system materials.
  • Helps protect compatible cooling-system metals from corrosion.
  • Helps limit cavitation-related damage in suitable cooling systems.

Applications and compatibility

For vehicles requiring the listed P-OAT specifications, including appropriate Japanese and Korean applications.

Check coolant compatibility before filling or topping up. Follow the concentrate or premix instructions below and the vehicle manufacturer’s service procedure.

Application note: Match the required coolant technology and specification; coolant colour alone does not establish compatibility.

Specifications and performance claims

  • ASTM D3306 (III) (Premix)
  • ASTM D6210
  • JASO JIS K2234
  • Suitable for use in vehicles from Japanese and Korean manufacturers
  • Suitable for use where a coolant meeting Ford WSS-M97B57-A2 is required (Premix)

Product details

Brand Castrol
Part number / MPN 3431624
Pack size 5L
Quantity supplied 1
Product function Engine coolant
Supply form Premix

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

GoogleGoogle Reviews Excellent★★★★★4.90 average
Universal Auto Spares mascot holding an envelope

Get deals in your inbox

Exclusive promotions, new arrivals, and product launches for car enthusiasts and professionals.

Exclusive deals New arrivals Trade specials