Exhaust Outlet Connection Gasket Cummins 3684359 | 3684255

High-Performance Exhaust Outlet Connection Gasket for Cummins Engines

The Cummins 3684359 exhaust outlet connection gasket is a premium-quality sealing component designed to restore your exhaust system to its optimal working condition. Engineered specifically for heavy-duty applications, this gasket provides the necessary rigidity for radial strength and ensures a reliable, long-lasting seal even in the most demanding environments. This part is also available under the numbers: 3684255.

Constructed from high-grade, temperature-resistant materials, this gasket is built to withstand extreme thermal cycles and prevent exhaust leaks. It is precision-manufactured to efficiently seal minor surface irregularities, offering a snug fitment and straightforward installation during in-field repairs or routine maintenance.

Product Specifications & Fitment

• Compatible Engines: Cummins ISX and QSX 15-liter series (including EPA13 automotive applications)
• Inner Diameter (ID): 4.00 inches
• Outer Diameter (OD): 4.625 inches
• Material: High-temperature resistant graphite/metal composite
• Function: Seals the connection between the exhaust outlet and the aftertreatment/DPF system

Features & Benefits

• Superior Thermal Resistance: Made with advanced manufacturing technology to withstand extreme exhaust temperatures without degrading.
• Excellent Sealing Capabilities: Designed by industry experts to conform to minor surface imperfections, preventing dangerous exhaust leaks.
• Robust Construction: Provides the radial strength and rigidity required for heavy-duty diesel operations.
• Easy Installation: Precision-engineered for a perfect, snug fit, reducing downtime during replacement.

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 3684359
• 3684255