The Navistar DT466E is an inline-six diesel engine widely used in medium-duty trucks, buses, MJ Gasket offers a variety of Navistar DT466/DT466E engine gaskets, including cylinder head gaskets, front-rear-cover-gasket ,oil pan gaskets, and more.
What is a DT466E Engine
The Navistar DT466E is a 7.6L (466 cubic inches) inline-6 turbocharged diesel engine with electronic fuel injection, introduced in 1995. Designed for heavy-duty applications, it is widely used in medium-duty trucks and buses, including school buses and delivery trucks. Known for its reliability, the DT466E typically produces between 175 and 300 horsepower.
One notable feature is its wet-sleeve design, which enhances serviceability by allowing for easier rebuilding without requiring engine removal from the vehicle.
DT466E Wet-Sleeve Design
The DT466E wet-sleeve design enhances durability and serviceability. The cylinder liners, typically made of hardened ductile iron or steel, offer superior wear resistance. Direct cooling improves heat dissipation, maintaining stable temperatures and reducing overheating risks.
The replaceable liners simplify maintenance, allowing in-frame rebuilds without removing the engine, reducing downtime and costs. This design also extends engine life by protecting the block from wear.
DT466 VS DT466E (The “E” in DT466E stands for Electronic.)
The “E” in DT466E stands for Electronic.
It signifies that the engine features an electronic fuel injection system, distinguishing it from earlier mechanical injection versions of the DT466 engine. The DT466E was introduced in the mid-1990s as part of Navistar’s transition to electronically controlled diesel engines, improving fuel efficiency, emissions control, and diagnostics.
Failures in the DT466E Engine
The DT466E engine is renowned for its exceptional durability, yet some users have reported issues with gasket and seal failures, leading to leaks and cross-contamination among the oil, coolant, and fuel systems. Key problems include: poor cylinder liner sealing causing coolant to seep into the oil pan, leaks from the timing cover due to design flaws or stripped bolts, and oil pump mounting bolts stripping and compromising the seal. In the fuel system, damaged injector cups and fuel rail seals may result in fuel leaking into the coolant, causing hard starts and reduced engine power. During maintenance, it is recommended to replace all relevant gaskets and seals simultaneously. Regular inspections and proper installation of these components are essential to prevent fluid cross-contamination and to prolong engine life.
About MJ Gasket
We offer gaskets for various industries and devices, and our list of offerings continues to expand. We remain open-minded and adaptable, constantly embracing change in the pursuit of making your gasket needs a reality. Our unwavering dedication to innovation allows us to meet the ever-changing demands of our customers.As we move forward, we eagerly anticipate further advancements, envisioning a future where our gaskets come to life in even more remarkable ways.
MJ Gasket offers gaskets for various components of the DT466E engine. In the following sections, we will introduce all the gaskets we provide.
Navistar Cylinder Head Gasket 1885879C1 / 1885880C2
The cylinder head gasket in a Navistar engine plays a critical role in sealing the interface between the cylinder head and engine block, preventing combustion-gas and coolant leaks that can cause overheating, loss of compression, and costly engine damage.
MJ Gasket offers cylinder head gasket 1885879C1 for Navistar DT466E and 1885880C2 for Navistar DT466/570. Both gaskets are manufactured from premium graphite material, providing superior heat resistance, conformability, and long-lasting sealing performance under heavy-duty operating conditions.
Navistar Front & Rear Cover Gasket Kits 1822365C99 / 1842663C93 / 1842662C91
The front and rear cover gaskets in a Navistar engine ensure a reliable seal between the engine block and front cover assembly, preventing oil and coolant leaks that can lead to engine overheating, contamination, and premature wear.
MJ Gasket offer three Navistar cover gasket solutions: 1822365C99 Front Cover Gasket Set (fits Navistar DT466E/530E), 1842663C93 Front Cover Front Half Kit (fits Navistar DT466E), and 1842662C91 Rear Front Cover Gasket Kit (fits Navistar DT466E/570E) — the latter constructed from durable rubber for enhanced sealing under high‑pressure conditions.
Navistar EGR Gasket / Seal Kit 1842592C91 / 1875808C1 / 1842351C1
The EGR gasket in a Navistar engine plays a critical role in sealing the exhaust gas recirculation system, preventing exhaust‑gas leaks, maintaining optimal backpressure, and reducing harmful emissions for improved engine performance and longevity.
MJ Gasket offer three Navistar EGR sealing solutions: 1842592C91 is an EGR Mixer Seal Kit for Navistar DT466E, DT570E, and DT530E; 1875808C1 is an EGR Gasket for Navistar DT466/DT466E constructed from steel with a MoS₂ coating ; and 1842351C1 is an embossed EGR Gasket for Navistar DT466E featuring advanced coated steel for enhanced durability and leak‑proof performance.
Navistar Oil Pan Gasket 1836197C1
The oil pan gasket in a Navistar engine creates a critical seal between the oil pan and engine block, preventing oil leaks, ensuring consistent lubrication, and protecting internal components from damage.
MJ Gasket offer the 1836197C1 Oil Pan Gasket for Navistar DT466E, engineered from plastic‑bonded rubber for superior flexibility, chemical resistance, and long‑lasting leak‑proof performance.
Navistar Fuel Injector Seal Kit 1842624C92 / MJ‑1833564C92
Fuel injector seals in a Navistar engine ensure a precise, leak‑free connection between each injector and the cylinder head, maintaining correct fuel pressure and spray pattern for optimal combustion efficiency and reduced emissions.
MJ Gasket offer two Navistar injector seal solutions: 1842624C92 Single Fuel Injector O‑Ring Kit, for Navistar MaxxForce 9/10, DT466, and DT466E engines, featuring durable steel‑reinforced rubber O‑rings; and MJ‑1833564C92 Injector Seal Kit for Navistar DT466E, containing all necessary seals crafted from premium rubber materials for reliable, long‑lasting fuel system integrity.
Navistar High Pressure Oil Pump Gasket 1836005C1
The high‑pressure oil pump gasket in a Navistar engine seals the mating surface between the oil pump and engine block, preventing oil leaks and maintaining consistent oil pressure for reliable lubrication and injector operation.
MJ Gasket offer the 1836005C1 High Pressure Oil Pump Gasket for Navistar DT466E, constructed from premium rubber to deliver superior flexibility, chemical resistance, and long‑lasting, leak‑proof performance.
Navistar Turbo Gasket 1883181C1 / 1883182C1
The turbo gasket in a Navistar engine seals critical connections within the turbocharger system, preventing exhaust‑gas leaks, maintaining boost pressure, and ensuring reliable turbo performance under high‑temperature conditions.
MJ Gasket offer two Navistar turbo gasket solutions: 1883181C1 Turbo Mounting Gasket, for Navistar DT466E, DT570, and MaxxForce DT engines, and 1883182C1 Turbo Outlet Gasket, compatible with the same engine lineup. Both gaskets are fabricated from steel with a MoS₂ coating for exceptional heat resistance, conformability, and long‑lasting leak‑proof performance.
Navistar Engine Seal 1836235C1 / 1841479C1
Engine seals in a Navistar engine are essential for preventing oil, coolant, and combustion‑gas leaks, maintaining proper fluid containment, and ensuring reliable engine operation under high‑pressure and high‑temperature conditions.
MJ Gasket offer two Navistar engine seal solutions: 1836235C1 Seal, compatible with Navistar DT466E, DT530E, and DT570 series engines, made from premium rubber for superior flexibility and leak‑proof durability; and 1841479C1 Coolant Port Seal, made for Navistar DT466E, also crafted from high‑quality rubber to ensure effective coolant sealing and long‑lasting performance.
If you’re interested in these items and would like a quote, simply click on them and submit your request. Our sales team will contact you by email shortly.
We are constantly expanding our product range, and our selection of Navistar DT466E gaskets includes more than what’s listed here. If you need additional items, please send us a message with the Navistar part numbers, and we’ll get back to you promptly.
