API CK-4 – diesel engine oil

API's service category for compression-ignition engines. Current category.

Name: Diesel engine oil, API CK-4 performance level
Issued by: API (American Petroleum Institute)
Category: Engine oil performance
Status: Current
Verified: 30 August 2026

Products covered by this standard

Eni

4 products

Eni Engine oils

Eni i-Sigma top MS 5W-30
Mid SAPS synthetic oil for commercial vehicles, easy cold starting
- Heavy-duty diesel
SAE 5W-30
Eni i-Sigma top MS 10W-30
Mid SAPS synthetic oil for diesel engines with aftertreatment systems
- Heavy-duty diesel
SAE 10W-30
Eni i-Sigma top MS 10W-40
Mid SAPS synthetic oil for diesel engines with aftertreatment systems
- Heavy-duty diesel
SAE 10W-40
Eni i-Sigma top MS 15W-40
Mid SAPS multigrade oil for modern heavy-duty diesel engines
- Heavy-duty diesel
SAE 15W-40

Petronas

13 products

Petronas Engine oils

Petronas Akcela Unitek Plus 10W40
Synthetic engine oil for Stage V diesel engines with extended drain intervals, API CK-4
- Heavy-duty diesel
SAE 10W-40
Petronas Arbor Alfaprime 15W-40 CK-4
Low-SAPS engine oil for Stage V farm and construction machinery, API CK-4, ACEA E11
- Heavy-duty diesel
SAE 15W-40
Petronas Arbor Alfaprime Synth 10W-40
Low-SAPS engine oil for Stage V farm and construction machinery, API CK-4, MB 228.51
- Heavy-duty diesel
SAE 10W-40
Petronas Urania 3000 LS 10W-30
Low-SAPS oil for Euro VI diesels with DPF and SCR, API CK-4, ACEA E11, MB 228.31
- Heavy-duty diesel
SAE 10W-30
Petronas Urania 3000 LS 15W-40
Low-ash API CK-4 engine oil for Euro V and Euro VI heavy-duty trucks
- Heavy-duty diesel
SAE 15W-40
Petronas Urania 5000 LS 10W-40
Synthetic low-SAPS oil for Euro VI diesels with DPF, API CK-4, ACEA E11, MB 228.51
- Heavy-duty diesel
SAE 10W-40
Petronas Urania 5000 LSF 5W-30
Fully synthetic low-SAPS oil for Euro VI and Euro V heavy-duty diesel engines, API CK-4
- Heavy-duty diesel
SAE 5W-30
Petronas Urania Elite 10W30
Premium low-ash API CK-4 engine oil for Euro IV-VI trucks
- Heavy-duty diesel
SAE 10W-30
Petronas Urania Elite 15W40
Premium low-ash API CK-4 engine oil for Euro IV-VI trucks
- Heavy-duty diesel
SAE 15W-40
Petronas Urania Elite Long Drain 5W-30
Fully synthetic fuel-economy heavy-duty oil for Euro VI and Euro V trucks
- Heavy-duty diesel
SAE 5W-30
Petronas Urania Elite Long Drain 10W40
Synthetic-technology low-SAPS heavy-duty oil for Euro VI/V trucks and CNG vehicles
- Heavy-duty diesel
SAE 10W-40
Petronas Urania FE LS 5W-30
Low-SAPS synthetic oil for Euro VI, V and Proconve P8 engines with particulate filters
- Heavy-duty diesel
SAE 5W-30
Petronas Urania LD9 10W-40 CK-4
Synthetic low-SAPS oil for Euro V/VI engines with particulate filters, API CK-4
- Heavy-duty diesel
SAE 10W-40

Divinol

2 products

Divinol Engine oils

Divinol
Divinol Multimax High Tech 10W-30
Heavy-duty oil for truck diesel engines with exhaust aftertreatment, ACEA E9/E7, API CK-4
- Heavy-duty diesel
SAE 10W-30
Divinol
Divinol Multimax Truck LS 10W-40
Low-SAPS oil for truck diesel engines with exhaust aftertreatment, API CK-4, ACEA E11
- Heavy-duty diesel
SAE 10W-40

Shell

6 products

Shell Engine oils

Shell Rimula R4 L 15W-40
Low-SAPS oil for heavy duty diesel engines with particulate filters
- Heavy-duty diesel
SAE 15W-40
Shell Rimula R4 NG Plus 15W-40
Oil for heavy duty engines running 100% on LNG or CNG
- Heavy-duty diesel
SAE 15W-40
Shell Rimula R5 LE 10W-30
Low-SAPS oil for heavy duty diesel engines with exhaust after-treatment
- Heavy-duty diesel
SAE 10W-30
Shell Rimula R5 LE 10W-40
Low-SAPS oil for heavy duty diesel engines with exhaust after-treatment
- Heavy-duty diesel
SAE 10W-40
Shell Rimula R6 LM 10W-40
Synthetic low-SAPS oil for heavy duty diesel engines, with long oil life
- Heavy-duty diesel
SAE 10W-40
Shell Rimula R6 LME Plus 5W-30
Fully synthetic low-SAPS diesel engine oil, with fuel economy
- Heavy-duty diesel
SAE 5W-30

Mobil

7 products

Mobil Engine oils

Mobil Delvac Modern 5W-30 Extreme Protection
Synthetic-technology oil for Daimler Truck DPF engines, DTFR 15C110, API CK-4, ACEA E8/E11
- Heavy-duty diesel
SAE 5W-30
Mobil Delvac Modern 10W-30 Full Protection
Synthetic-technology diesel oil for EGR and DPF engines, API CK-4, Volvo VDS-4.5
- Heavy-duty diesel
SAE 10W-30
Mobil Delvac Modern 10W-40 Advanced Protection
Low-SAPS oil for Euro V/VI DPF engines, ACEA E6/E9, MAN M 3775
- Heavy-duty diesel
SAE 10W-40
Mobil Delvac Modern 15W-40 Full Protection
Synthetic-technology diesel oil for EGR and DPF engines, API CK-4, Cat ECF-3, ACEA E11
- Heavy-duty diesel
SAE 15W-40
Mobil Delvac Ultra 5W-30 Ultimate Protection V2
Synthetic oil for Euro V/VI DPF diesel engines with long drains, API CK-4, ACEA E6/E8/E11
- Heavy-duty diesel
SAE 5W-30
Mobil Delvac Ultra 5W-40 Ultimate Protection V1
Low-ash full synthetic heavy-duty diesel engine oil for after-treatment systems, API CK-4
- Heavy-duty diesel
- Cars
SAE 5W-40

Mobil Marine lubricants

Mobilgard 1 HSD 5W-40
Fully synthetic low-ash oil for high-speed marine diesel engines, API CK-4
- Heavy-duty diesel
- High-speed marine
SAE 5W-40

API standards

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