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Improved Fuel Economy

Up to 1.3% improvement vs. SAE 15W-40 oils in Class 8 vehicle diesel engine bench testing programs.

Better Low Temperature Pumpability

Excellent cold flow properties help with rapid oil circulation to minimize wear during cold temperature starting.

Exceptional Deposit Control

Superb oxidation resistance, thermal stability and detergency minimize piston and turbocharger deposits.

Minimized Operating Costs

Exceptional anti-wear, deposit and soot control. Cylinders, pistons, rings and valve train components are well protected against wear and corrosion, providing optimum service life and minimal maintenance. Contributes to maximum vehicle utilization and minimal downtime.

Excellent Emission Control System Life

Provides optimum Diesel Particulate Filter (DPF) life for minimal downtime and cleaning, thus managing maintenance costs.

Managed Inventory Costs

Suitable for use in four-stroke gasoline and naturally aspirated turbocharged and modern electronically controlled/low emission diesel engines where API FA-4 or SN performance oils are required. Allows users with a wide mix of engine brands to enjoy simplified inventory and dispensing systems that may contribute to saving money, space and handling time.

Warranty Plus Protection

Bumper-to-bumper warranty protection from the engine to the drive train. Payment for Chevron lubricant-related damage to your equipment, including parts and labor.  Problem resolution and technical advice from Chevron’s lubrication experts.

Access to Chevron’s Lubrication and Industry Knowledge

Helps maximize your bottom line business results.

Available Sizes

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Product SDS


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Delo 400 ZFA SAE 10W-30 with ISOSYN Advanced Technology is a fuel economy and mixed fleet engine oil recommended for naturally aspirated and turbocharged four-stroke diesel engines and four-stroke gasoline engines in which the API FA-4 or SN service categories and SAE 10W-30 viscosity grade are recommended. It is formulated for engines operating under severe service and in a wide range of climatic conditions.


Delo 400 ZFA SAE 10W-30 with ISOSYN Advanced Technology is formulated for exceptional performance with ultra low sulfur diesel (ULSD) and other low sulfur diesel fuels.


This product is recommended for use in:

Today’s most modern on-highway low emission designs, as well as some previous generation model diesel engines (Detroit Diesel DD15/DD13 EPA 13 and EPA 10 model diesel engines) that are authorized to use API FA-4 SAE 10W-30 engine oils.


SKU CHZFA10301CHZFA10302CHZFA103063 Category Tag
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