Engine oil technical data · Castrol
Castrol MAGNATEC 5W-30 DX (Professional DX)
Castrol MAGNATEC 5W-30 DX (Professional DX) is a 5W-30 dexos1 engine oil (API SQ · ILSAC GF-7). According to the manufacturer's data sheet it has a viscosity of 64 mm²/s at 40 °C, 11 mm²/s at 100 °C, a viscosity index of 174, a TBN of 8.2 mg KOH/g, a pour point of −45 °C and sulphated ash of 0.92 %.
Data sheet ↗ Data verified: 4 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-30 dexos1 |
|---|---|---|
| Viscosity 40 °C | 64 mm²/s | 62.8 mm²/s |
| Viscosity 100 °C | 11 mm²/s | 11 mm²/s |
| Viscosity index | 174 | 171 |
| TBN | 8.2 mg KOH/g | 8.2 mg KOH/g |
| CCS −30 °C | 3900 mPa·s | 3990 mPa·s |
| Pour point | −45 °C | −45 °C |
| Flash point | 203 °CMeasured in a closed cup (PMCC), so lower than the COC values in the other rows. | 224 °C |
| Density | 0.848 g/cm³ | 0.847 g/cm³ |
| HTHS 150 °C | not stated | |
| Sulphated ash | 0.92 % | 0.9 % |
All 5W-30 dexos1 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- API SQ · ILSAC GF-7
- Approvals and recommendations
- GM dexos1 Gen 3 (D330AEDA082), Opel OV 040 1547-G30, VW 530 34, Ford WSS-M2C946-A/946-B1/961-A1
Similar oils
Oils in the 5W-30 dexos1 class with the closest parameters and the same specification.
- MOL DYNAMIC GOLD DX 5W-30API SP · ILSAC GF-6A
- Exol OPTIMA DX1 5W-30 (M497)API SP, SP-RC, SN Plus · ILSAC GF-6A
- Q8 Formula Special D1 5W-30API SN, SP · ILSAC GF-5, GF-6A
- Bardahl XTEC 5W-30 RCAPI SP-RC · ILSAC GF-6A
- 77 Lubricants Motor Oil DX1 5W-30API SP, SN, SN+RC · ILSAC GF-6A
- MPM Oil 5W-30 Premium DX1API SN Plus/SN-RC/SP/SP-RC · ILSAC GF-5, GF-6A