MARINE DIESEL 4 STROKE 15W-40 (Semi Syn.)
MARINE DIESEL 4 STROKE 15W-40 (Semi Syn.)
in 22 offers
The lowest price for Penrite Marine Diesel 4 Stroek 15W-40 20L - MARD15W40020 right now is $47.99 at Autobarn, compared across 16 retailers.
The all-time low was $44.95 on 3 June 2026 — today's price is 7% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 12 Sept 2026.
Penrite Marine Diesel 4 Stroek 15W-40 20L - MARD15W40020
MARINE DIESEL 4 STROKE 15W-40 (Semi Syn.)
MARINE DIESEL 4 STROKE 15W-40 (Semi Syn.)
Last updated at 12/09/2026 12:39:07
Penrite Marine 4 Stroke 15W-40 Semi Synthetic Engine Oil 5L
14-day returns
Penrite Marine Diesel Oil 15W-40 Semi Synthetic 20 Litres
Free delivery between Tue – Wed
PENRITE Marine Diesel 15W40 Semi Syn, 20L, Penrite, SAE 15W-40, Semi-Synthetic, Marine Diesel Engine Oil
Delivery $18.95
Penrite Marine Diesel 15W40 Semi Syn 20L | MARD15W40020
Free delivery
Marine Diesel 4 Stroke 15W-40 (Semi Syn.) 20L - Penrite
Delivery between 17–21 Sept $6.95
Penrite Semi SYN Marine Diesel 4 Stroke 15W-40 Engine Oil 20L - MARD15W40020
Delivery between Wed – Fri $15
1 x PENRITE MARINE DIESEL 4 STROKE 15W-40 20L MARD15W40020
Delivery between Wed – Fri $120
1 x PENRITE Marine Diesel Semi Synthetic 15W-40 Engine Oil 205L MARD15W40205
Delivery between Wed – Fri $15
Penrite Marine Diesel 4-Stroke 15W40 Semi-Synthetic Engine Oil 20L MARD15W40020
Delivery between 14–24 Sept $10.95
Penrite Marine Diesel 15W40 4-Stroke Semi-Synthetic Engine Oil 205L MARD15W40205
Delivery between 14–24 Sept $145
originally posted on supercheapauto.com.au
Perfect for my aging Cummins VT555's! I wanted a dedicated semi-synthetic marine oil at the correct weight.
| Density at 15°C, kg/L | 0.873 |
| Viscosity, Kinematic, cSt at 40°C | 112 |
| Viscosity, Kinematic, cSt at 100°C | 15.1 |
| Viscosity Index | 141 |
| Cold Cranking Viscosity, cP at -20°C | 5372 |
Penrite Marine 4 Stroke 15W-40 Semi Synthetic Engine Oil 5L
14-day returns
Penrite Marine Diesel Oil 15W-40 Semi Synthetic 20 Litres
Free delivery between Tue – Wed
PENRITE Marine Diesel 15W40 Semi Syn, 20L, Penrite, SAE 15W-40, Semi-Synthetic, Marine Diesel Engine Oil
Delivery $18.95
Penrite Marine Diesel 15W40 Semi Syn 20L | MARD15W40020
Free delivery
Marine Diesel 4 Stroke 15W-40 (Semi Syn.) 20L - Penrite
Delivery between 17–21 Sept $6.95
Perfect for my aging Cummins VT555's! I wanted a dedicated semi-synthetic marine oil at the correct weight.
| Density at 15°C, kg/L | 0.873 |
| Viscosity, Kinematic, cSt at 40°C | 112 |
| Viscosity, Kinematic, cSt at 100°C | 15.1 |
| Viscosity Index | 141 |
| Cold Cranking Viscosity, cP at -20°C | 5372 |
