CATERPILLAR 491-1831 Cylinder Head AS 4911831

Caterpillar 491-1831 Cylinder Head AS – OEM-Grade Durability for Heavy Equipment Engines

The Caterpillar 491-1831 Cylinder Head AS is a precision-engineered replacement part designed for a wide range of Caterpillar heavy machinery, including articulated dump trucks (models 2L6-725C2, 2T3-725C2, LFB-725C, TFB-725C, 3T9-725), cold planers (models KWA-PM310, NM9-PM310, NMA-PM310, RH8-PM310, LJ9-PM312, NA9-PM312, NJ9-PM312, NJX-PM312, DK9-PM313, J63-PM313, JH9-PM313, JHZ-PM313), industrial engines (RC2-C9.3, C9N-C9.3, CS9-C9.3, D9N-C9.3), and excavators (models FJH-336E L, JRJ-336E L, DFY-336F L XE, KGH-336F L XE, LTP-336F L XE, PFL-336F L XE, MTW-336F LN XE, YBH-336F LNXE, DKF-336F LN, KFT-336F LN, RBC-336F LN, DSW-336F L, LCL-336F L, NBS-336F L, RKB-336F L, SSN-336F L, TZA-336F L, WTZ-336F L, ZBJ-336F L, NAJ-336F XE). Crafted from high-grade metallurgy, this cylinder head offers exceptional resistance to thermal stress and mechanical wear, ensuring optimal combustion chamber sealing and engine performance under extreme load conditions.

Engineered to meet or exceed OEM specifications, the 491-1831 Cylinder Head features precise valve seat machining, robust cooling passages, and reinforced structural integrity to support high-pressure combustion cycles typical in heavy-duty Caterpillar engines. Its compatibility across multiple machine models makes it a versatile solution for maintaining drivetrain efficiency and minimizing downtime. The part’s metallurgy and dimensional accuracy contribute to improved fuel efficiency, reduced emissions, and extended engine life, making it an indispensable component for operators demanding reliability and peak performance in mining, construction, and industrial applications.

For professional-grade replacement parts that guarantee durability and performance, explore the full specifications and availability of the Caterpillar 491-1831 Cylinder Head AS at 🔗 AllParts Expert Caterpillar 491-1831 Cylinder Head AS. This ensures you receive genuine, OEM-quality components tailored for your heavy equipment needs, optimized for long-term operational success.