5I7914 Muffler Direct Fit for E110B E120B E311 E312 E312B 311B (replaces 5I7911) Overview A directreplacement muffler designed to fit listed equipment models. Restores proper exhaust routing and noise attenuation for the compatible machines, helping maintain reliable engine operation and acceptable sound levels during normal use. Key benefits Direct compatibility: Engineered to fit models E110B, E120B, E311, E312, E312B, and 311B for straightforward replacement without major modification. Restores exhaust function: Reestablishes correct exhaust flow and muffling characteristics to help the engine run as intended. Durable construction: Built for heavy equipment use to withstand typical operating conditions and vibration. Simple installation: Designed for direct swap with existing unit using standard mounting points and connections, reducing downtime during . Part number clarity: Supersedes part number 5I7911 and is listed as 5I7914 for easy identification during maintenance or parts ordering. What this part does Muffles engine exhaust to reduce noise during operation. Directs exhaust gases away from engine components and operator areas. Provides a replaceable component that helps maintain overall exhaust system integrity. Compatibility and fit Fits models: E110B, E120B, E311, E312, E312B, 311B. Replaces part number: 5I7911. Designed as a directfit replacement to match original mounting points and connections for the listed equipment. Typical applications Onboard during field service for excavators and similar construction equipment when the original muffler is damaged or leaking. Scheduled maintenance replacement in a workshop to restore exhaust performance and reduce noise levels. Fleet service programs to worn or corroded mufflers across multiple machines of the same model series. Installation notes Intended for professional technicians or experienced maintenance personnel familiar with heavy equipment exhaust systems. Inspect mounting hardware, seals, and adjacent exhaust components during replacement and any damaged parts for a secure fit. with confidence This muffler provides a practical, directreplacement option for the listed equipment models and part number. It is intended to restore exhaust function and sound control with minimal installation complexity.