Valvoline Heavy Duty Synthetic Blend 15W-40 Diesel Engine Oil (2.5 GA), Case of 2
Heavy duty synthetic-blend diesel engine oil for extreme operating conditions. Designed to control wear, deposits, and oil breakdown while extending oil life in high heat. Customer insight: mixed/none
Highlights
- targeted additive technology
- wear protection in extreme temps
- meets low emission requirements
Pros
- heavy duty synthetic blend
- controls wear in extreme conditions
- extended oil life in high heat
- deposits and oil breakdown resistance
- engineered for diesel engines
Cons
- customer insight text: None
- no explicit user-reported drawbacks
Best For
Features
- Heavy duty synthetic blend with targeted additive technology for critical protection in extreme conditions
- Improved wear protection with performance claims tested in Cummins ISB engine
- Designed for extended oil life under high heat conditions
- Controls wear, deposits, and oil breakdown while meeting low emission requirements
- Meets or exceeds API CK-4, CJ-4, CI-4 PLUS, and CI-4 specifications
