Red Line 15W40 Synthetic Diesel Motor Oil 21405 – 1 Gallon

Red Line 15W40 Diesel Motor Oil 21405 is a premium full-synthetic diesel engine oil formulated to provide outstanding protection, cleanliness and performance in light-duty, medium-duty and heavy-duty diesel engines. Its synthetic ester-based formulation provides excellent lubrication across a wide range of operating conditions while offering exceptional high-temperature stability and oxidation resistance.

Red Line 15W40 is an excellent choice for Chevrolet Duramax, Dodge Cummins and Ford Power Stroke diesel engines, as well as commercial trucks and other diesel-powered equipment requiring a 15W-40 engine oil.

Features & Benefits

• Full-synthetic ester-based diesel motor oil

• SAE 15W-40 viscosity

• Excellent wear protection under demanding conditions

• Excellent high-temperature stability and oxidation resistance

• High natural viscosity index helps maintain a strong oil film

• High detergency helps keep engines clean

• Helps protect against deposits and sludge

• Excellent resistance to oil oxidation and breakdown

• Low evaporation helps improve oil consumption and ring seal

• Designed for extended drain intervals

• Compatible with conventional and synthetic motor oils

Recommended Applications

Red Line 15W40 Diesel Motor Oil is suitable for a wide range of diesel applications, including:

• Chevrolet Duramax diesel engines

• Dodge Cummins diesel engines

• Ford Power Stroke diesel engines

• Light-duty diesel trucks

• Medium- and heavy-duty diesel engines

• Commercial fleet vehicles

• Diesel-powered equipment

Specifications

Brand: Red Line Synthetic Oil
Product: 15W40 Diesel Motor Oil
Part Number: 21405
Size: 1 Gallon (3.78 L)
Viscosity: SAE 15W-40
Base Oil: Full Synthetic / Ester-Based

API: SN/SM/CF, CK-4, CJ-4, CI-4
ACEA: A3/B4/E5/E7/E9

Typical Properties

• Viscosity @ 100°C: 14.5 cSt

• Viscosity @ 40°C: 97 cSt

• Viscosity Index: 155

• HTHS Viscosity @ 150°C: 4.7 cP

• Pour Point: -49°F

• NOACK Evaporation Loss: 6%

Red Line 15W40 Diesel Motor Oil is formulated to provide strong protection for diesel engines operating under heavy loads, high temperatures and demanding service conditions.

Always verify the vehicle or equipment manufacturer's required oil viscosity and specifications before use.