Castrol 15F813 GTX Diesel 15W-40 Conventional Heavy Duty Engine Oil 1 Quart

Castrol GTX Diesel 15W-40 is a multipurpose, conventional heavy-duty engine oil engineered to deliver superior protection and long, healthy engine life across a wide variety of applications and duty cycles. Formulated to conform to the strict requirements of PC-11 engine oil technology, it is suitable for use in diesel engines requiring API CK-4, CJ-4, and below.

Key Features:

• Protects against oil thickening and deposit build-up in critical engine parts
• Better shear stability and protection against viscosity loss for reliable, consistent engine protection
• Flows like a 15-weight oil at cold start-up, then provides the protection of a 40-weight oil at full operating temperature
• Special formulation helps keep engines cleaner, prolonging engine life
• Versatile formula suitable for heavy-duty commercial vehicles, pick-up trucks, and mixed fleets
• Protects against the wear and tear of severe weather, rough roads, and heavy towing

This 1-quart bottle of Castrol GTX Diesel 15W-40 (Part No. 15F813) is an ideal solution for fleet operators and individual drivers who need proven, heavy-duty diesel engine protection. Its multipurpose design makes it well-suited for a broad range of diesel-powered vehicles and duty cycles.