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76 Firebird Heavy Duty EC 15W40

76 Firebird Heavy Duty EC 15W40 engine oil from ConocoPhillips has been upgraded to meet lubrication requirements of the 2007 and later model year, low-emissions diesel engines equipped with exhaust aftertreatment devices.

• Made from re-refined base oils and a tailored, low SAPS (sulfated ash, phosphorus and sulfur) additive
• Back serviceable for use in pre-2007 engines
• Provides optimal soot control and wear and corrosion protection, as well as enhanced oxidation resistance and thermal stability

Conoco, Inc.

Delo 400 LE Synthetic SAE 5W-40

Delo 400 LE Synthetic SAE 5W-40 is a 100% synthetic CJ-4 engine oil specifically formulated for use in pre- and post-2007 heavy-duty diesel engines and light-duty diesel pickup trucks.

• Meets or exceeds all major API, ACEA and diesel engine manufacturers' requirements, as well as JASO DH-2 classification
• Offers optimal cold startup capabilities and potential for improved fuel economy
• Provides increased corrosion and wear protection and reduced valve and piston crown deposits
• Backwards compatible with previous API categories

Chevron Texaco Corp

DURON-E 10W-30

DURON-E 10W-30 API CJ-4 heavy-duty engine oil is specially formulated for both on- and off-road fleets.