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API CK-4 10W-40 diesel engine oil with extended drain interval for heavy-duty diesel engines.
Engine Oil for Heavy-Duty Diesel Engines

API CK-4 10W-40 Diesel Engine Oil with Extended Drain Interval

Chaobawang K6 Synthetic Diesel Engine Oil

API CK-4 API SN ACEA E7/E9/E11 SAE 10W-40

Synthetic diesel engine oil 10W-40, formulated for heavy-duty engines requiring API CK-4 performance, wear protection, deposit control, and stable lubrication under severe operating conditions. Available for wholesale supply, bulk procurement, OEM manufacturing, and private label export.

Wear protection Helps Protect Critical Engine Components
Deposit Control Helps control deposits and sludge
Thermal stability Stable Lubrication at High Temperature
Stable engine operation Developed for Heavy-Duty Diesel Engine Operation
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API CK-4 10W-40 Diesel Engine Oil

This SAE 10W-40 synthetic diesel engine oil is designed for heavy-duty diesel engines operating under high loads, extended service intervals, and demanding temperature conditions. Its formulation delivers wear protection, deposit control, oil cleanliness, and stable lubrication throughout the drain interval.

The product is intended for applications requiring API CK-4, API SN, and ACEA E7/E9/E11 performance levels. Buyers must confirm the required viscosity grade, performance specification, and oil drain interval in accordance with the engine manufacturer's manual and the final product documentation.

Ningbo MOS Chemical Co., Ltd. manages international corporate sales, wholesale supply, and lubricant export cooperation. MOSINTER GROUP operates as an investment group and supports a network of invested lubricant and chemical product manufacturing enterprises.

Key Operational Benefits

  • Wear Protection for Highly Loaded Diesel Engine Components
  • Deposit and sludge control for improved engine cleanliness
  • Stable lubrication under high-temperature operating conditions
  • Suitable for severe-duty operation of commercial and fleet vehicles
  • Available for wholesale purchases, OEM and private label cooperation

Recommended Applications

Heavy-duty trucks
Long-Haul Transport
Construction equipment
Commercial diesel fleets
Lubrication and Protection of Heavy-Duty Diesel Engines

Engine Protection in Severe Operating Conditions

Designed to provide wear protection, engine cleanliness, and stable lubrication during diesel operation under high loads, high temperatures, and extended driving conditions.

Packaging specifications

API CK-4 10W-40 Diesel Engine Oil 4L x 6 Carton Packaging
4L×6
API CK-4 10W-40 Diesel Engine Oil 18L Packaging
18L

Diesel Engine Oil Manufacturer and B2B Wholesale Supplier

Ningbo MOS Chemical Co., Ltd. supplies API CK-4 10W-40 diesel engine oil to international distributors, wholesale lubricant suppliers, importers, fleet maintenance companies, auto repair workshops, and industrial procurement organizations.

MOSINTER GROUP acts as an investment group with interests in manufacturing facilities for lubricants and chemical products. Ningbo MOS Chemical Co., Ltd. coordinates international sales, bulk supply, OEM projects, private label partnerships, and export services.

Bulk supply

Bulk supply of diesel engine oil for distributors, importers, regional wholesalers, and fleet customers.

Bulk Purchase

Support for large-volume wholesale orders based on confirmed product specifications, packaging requirements, and target market needs.

OEM Manufacturing

OEM lubricant production based on confirmed viscosity grades, performance requirements, packaging formats, and order volumes.

Private Label Service

Private label support: label development, packaging coordination, carton requirements, and export documentation.

Distributor Partnership

Long-term supply cooperation for lubricant distributors, auto service networks, and regional trading companies.

Export Deliveries

International trade support, including packaging confirmation, documentation coordination, and export shipment organization.

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API CK-4 10W-40 Diesel Engine Oil Frequently Asked Questions

What is API CK-4 10W-40 diesel engine oil used for?

API CK-4 10W-40 diesel engine oil is intended for heavy-duty diesel engines operating under high loads, long-haul transport, and severe service conditions. Buyers should confirm the required performance level and viscosity grade in the engine manufacturer's manual.

Do you supply diesel engine oil API CK-4 10W-40 in bulk?

Yes. Ningbo MOS Chemical Co., Ltd. supports wholesale orders, distributor supplies, bulk purchases, and international export cooperation for B2B buyers.

Can you provide OEM and private label services for diesel engine oil?

Yes. OEM and private label cooperation may include packaging selection, label approval, carton requirements, and export documentation based on approved project specifications.

Which customers do you supply diesel engine oil to?

We supply lubricant distributors, wholesalers, importers, fleet operators, auto repair shops, and industrial procurement companies.