
Light-duty
COPTON Full Synthetic CK-4 5W-40
- SAE
- 5W-40
- API
- API CK-4 · ACEA E11
- L
- 4 L
Oil for light-duty diesel vehicles — light trucks, pickups, minibuses and MPVs that require API CK-4 or lower. For China 6b and older engines.
Details

Diesel & commercialLight-duty
Fully synthetic oil for light-duty diesel vehicles — light trucks, pickups, minibuses and MPVs that require ACEA C3. For China 6b and older engines.
| ACEA | C3 |
|---|---|
| Meets requirements — declared by the manufacturer | MB 229.31The oil manufacturer's declaration of compliance. This is not an official approval by the vehicle maker. |
| Category | Diesel and commercial vehicle oils |
|---|---|
| Series | Light-duty |
| SAE viscosity | 5W-40 |
| Base | Fully synthetic |
| Parameter | Value | Method |
|---|---|---|
| Density at 20 °C, kg/m³ | 835.5 | SH/T 0604 |
| Kinematic viscosity at 100 °C, mm²/s | 13.88 | GB/T 265 |
| Pour point, °C | −41 | GB/T 3535 |
| Flash point (open cup), °C | 236 | GB/T 3536 |
| Total base number, mg KOH/g | 6.41 | SH/T 0251 |
| Sulfated ash, % | 0.70 | GB/T 2433 |
Partnership terms and partner support are agreed individually.

Light-duty
Oil for light-duty diesel vehicles — light trucks, pickups, minibuses and MPVs that require API CK-4 or lower. For China 6b and older engines.

Light-duty
Fully synthetic oil for light-duty diesel vehicles — light trucks, pickups, minibuses and MPVs that require ACEA C3. For China 6b and older engines.

Light-duty
Oil for light-duty diesel vehicles — light trucks, pickups, minibuses and MPVs that require API CK-4 or lower. For China 6b and older engines.