Engine oil technical data · Shell
SHELL HELIX ULTRA ECT C3 5W-30
SHELL HELIX ULTRA ECT C3 5W-30 is a 5W-30 C3 engine oil (ACEA C3 · API SN). According to the manufacturer's data sheet it has a viscosity of 69.02 mm²/s at 40 °C, 12.11 mm²/s at 100 °C, a viscosity index of 174 and a pour point of −45 °C.
Data sheet ↗ Data verified: 3 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-30 C3 |
|---|---|---|
| Viscosity 40 °C | 69.02 mm²/s | 70 mm²/s |
| Viscosity 100 °C | 12.11 mm²/s | 12 mm²/s |
| Viscosity index | 174 | 169 |
| TBN | not stated | |
| CCS −30 °C | not stated | |
| Pour point | −45 °C | −42 °C |
| Flash point | 238 °C | 230 °C |
| Density | 0.836 g/cm³ | 0.851 g/cm³ |
| HTHS 150 °C | not stated | |
| Sulphated ash | not stated |
All 5W-30 C3 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA C3 · API SN
- Approvals and recommendations
- MB 229.51, 229.31; BMW LL-04; GM dexos2; Chrysler MS-11106
Same oil, different name
Identical lab values to: SHELL HELIX ULTRA PROFESSIONAL AG 5W-30, SHELL HELIX ULTRA PROFESSIONAL AM-L 5W-30
Similar oils
Oils in the 5W-30 C3 class with the closest parameters and the same specification.
- SHELL HELIX ULTRA PROFESSIONAL AG 5W-30ACEA C3 · API SN
- SHELL HELIX ULTRA PROFESSIONAL AM-L 5W-30ACEA C3 · API SN/CF
- Aral HighTronic G 5W-30ACEA C3 · API SN/CF
- CASTROL EDGE PROFESSIONAL BMW LL04 5W-30ACEA C3 · API SN
- CASTROL EDGE TITANIUM FST C3 5W-30ACEA C3 · API SN/CF
- 77 lubricants MOTOR OIL XT 5W-30ACEA C3 · API SN