Good day! I found some excellent options for 5-litre 15W-40 engine oils that you might find interesting. First up, we have the **Castrol GTX Diesel Engine Oil 15W-40 5L** for just **R399.99**—a reliable choice for diesel engines that helps reduce engine wear and enhance performance. Another great option is the **Mineral Engine Oil 15W40 - CI4 DH-1 5L** priced at **R498**, known for its durability and effectiveness in prolonging engine life. Both of these choices will surely meet your engine's needs, so you can't go wrong! Happy shopping!
