2599992C91 | Genuine International® Cylinder Head DT466E/DT530E 1999–03

Looking for International^® 2599992C91? This is a new, genuine International cylinder head 12V DT466E, DT530E, and HT530 1999–2003. It's a major engine component that sits on top of the engine block and closes the top of the cylinders. It contains important parts that control airflow, fuel combustion, and exhaust gases.

General Specifications

Purpose & Function

• Seals the Cylinders: Closes the top of the engine cylinders and maintains proper compression.

• Controls Airflow: Allows air to enter the combustion chambers.

• Controls Exhaust: Provides passages for exhaust gases to exit the engine.

• Supports Engine Valves: Holds valves, valve springs, and often camshafts.

• Dissipates Heat: Uses coolant passages to help prevent engine overheating.

Signs of a Bad Control Module

• Engine overheating.

• Coolant leaking or mixing with engine oil.

• White smoke coming from the exhaust.

• Loss of engine power.

• Engine misfires or runs rough.

• Low engine compression.

• Visible cracks or warping.

About International / Navistar

International, a brand of Navistar International Corporation, is a leading American manufacturer of commercial trucks, buses, and diesel engines. With a history dating back to the early 1900s, International is known for producing durable and reliable vehicles used in freight, construction, and municipal operations.

Navistar has built a strong reputation in the trucking industry by focusing on innovation, performance, and long-term dependability. Their vehicles and components are trusted by fleets and drivers across North America and beyond.