Home > Product Catalog > Automotive lubricants > Engine Oil > Diesel engine oil > API CI-4 Plus 15W-40 heavy-duty diesel engine oil
API CI-4 Plus 15W-40 engine oil for heavy-duty diesel engines in trucks and mining equipment.
Engine Oil for Heavy-Duty Diesel Engines

API CI-4 Plus 15W-40 heavy-duty diesel engine oil

Bulk supply for trucks, mining equipment, and heavy machinery fleets

API CI-4 Plus SAE 15W-40

API CI-4 Plus SAE 15W-40 heavy-duty diesel engine oil, formulated for suitable turbocharged diesel engines and engines equipped with EGR systems operating under severe conditions. Ningbo MOS Chemical Co., Ltd. supports bulk supply, OEM production, private label cooperation, and export deliveries through production resources backed by MOSINTER GROUP.

Wear protection Helps Protect Critical Engine Components
Soot and deposit control Helps Maintain Engine Cleanliness
Oxidation Stability Delivers performance at high operating temperatures
Applications in Turbocharging and EGR For suitable turbocharged diesel engines with EGR
Send Inquiry

API CI-4 Plus 15W-40 Diesel Engine Oil Description

This API CI-4 Plus SAE 15W-40 engine oil is intended for appropriate heavy-duty diesel engines used in commercial trucks, mining, and construction equipment. Its detergent, dispersant, anti-wear, and antioxidant properties help control soot, deposits, and lubricant degradation under severe operating conditions.

The product is suitable for appropriate turbocharged diesel engines with EGR systems where API CI-4 Plus performance and SAE 15W-40 viscosity are required. Before use, buyers should always check the required oil specification in the engine or equipment operating manual.

Key performance benefits

  • API CI-4 Plus High-Performance Diesel Engine Oil Characteristics
  • SAE 15W-40 viscosity grade
  • Helps control soot, deposits, and sludge formation
  • Provides Wear Protection under Severe Operating Conditions
  • Suitable for corresponding turbocharged diesel engines with EGR system
  • Designed for use in trucks, mining, and construction equipment

Application Area

Heavy-duty trucks
Mining Equipment
Construction equipment
Turbocharged Diesel Engines with EGR
Heavy-Duty Diesel Engine Lubricant for Trucks and Mining Equipment

Engine Protection in Severe Operating Conditions

Provides engine cleanliness, wear control, and stable lubrication for applicable heavy-duty diesel engines operating under severe conditions in trucking, mining, and construction equipment.

Packaging specifications

API CI-4 Plus 15W-40 diesel engine oil 4L wholesale packaging
4 L × 6 bottles
API CI-4 Plus 15W-40 Diesel Engine Oil 18L Bulk Packaging
Pail 18 L

API CI-4 Plus 15W-40 Diesel Oil Wholesale and OEM Supply

Ningbo MOS Chemical Co., Ltd. supplies API CI-4 Plus SAE 15W-40 heavy-duty diesel engine oil to lubricant distributors, commercial fleet operators, mining equipment service companies, and international automotive aftermarket importers.

Leveraging production resources invested and supported by MOSINTER GROUP, we provide factory coordination for manufacturing, bulk procurement, OEM lubricant production, private-label packaging, and export order support for international B2B clients.

  • Bulk Supply for Distributors and Importers
  • Private Label and OEM Lubricant Manufacturing
  • SAE 15W-40 Supply of Heavy-Duty Diesel Engine Oil
  • Packaging: 4 L and 18 L
  • Custom Label and Packaging Collaboration
  • Export Documentation and International Order Support
Send Inquiry

API CI-4 Plus 15W-40 Diesel Engine Oil FAQ

What is diesel engine oil API CI-4 Plus used for?

Diesel engine oil API CI-4 Plus is designed for corresponding heavy-duty diesel engines requiring improved soot control, deposit control, and wear protection. It can be used in engines of relevant trucks, mining, and construction equipment if permitted by the equipment manufacturer.

Is this product suitable for turbocharged diesel engines with EGR system?

It is intended for suitable turbocharged diesel engines equipped with EGR systems requiring API CI-4 Plus performance and SAE 15W-40 viscosity. Always check the engine manufacturer's lubricant specification before use.

Do you supply diesel oil API CI-4 Plus 15W-40 in bulk?

Yes. Ningbo MOS Chemical Co., Ltd. supports large-volume procurement, bulk supply, and export cooperation for lubricant distributors, mining equipment service companies, fleet operators, and international importers.

Is the diesel engine oil available under OEM or private label?

OEM and private-label cooperation can be arranged depending on order volume, packaging format, label design, and destination market requirements. Available services may include packaging customization and export order support.