Multiquip 8970777930 Metal Set Conn Rod Std

The Multiquip 8970777930 Metal Set Conn Rod Std is a genuine OEM connecting rod bearing metal set designed for the DCA25USI ultra-silent diesel generator. As a direct OEM replacement, this set is manufactured to the exact material and dimensional specifications required by the Isuzu 4LE2 engine fitted in the DCA25USI. Sourced from Multiquip's authorized parts program, 8970777930 ensures proper bearing clearance and surface finish for this engine family. If your DCA25USI is exhibiting low oil pressure, knocking, or unusual engine noise, the connecting rod bearing metals are a primary diagnostic area and this set delivers the correct OEM answer.

Key Features

• OEM-Grade Bearing Material — Manufactured to the precise alloy composition and surface finish specification required by the Isuzu 4LE2 engine, ensuring correct oil film support at the connecting rod journal.
• Standard Clearance Specification — Supplied in standard (Std) sizing, making this set the correct choice for engines operating with unworn or freshly ground crankshaft journals within OEM tolerances.
• Direct Engine Compatibility — Engineered specifically for the Isuzu 4LE2 engine as installed in the DCA25USI ultra-silent diesel generator; installs into the existing connecting rod and cap without modification.
• Protects Crankshaft Journal Integrity — Correct bearing clearance maintains a consistent hydrodynamic oil film, preventing metal-to-metal contact that causes accelerating journal wear and crankshaft damage.
• Critical Engine Rebuild Component — Replacing bearing metals at the recommended service interval or during an overhaul restores proper oil pressure and prevents catastrophic engine failure during generator operation.

Connecting rod bearing metals — also called bearing shells or inserts — are precision-machined semi-circular liners that sit between the connecting rod big-end bore and the crankshaft journal. They create a controlled clearance gap that allows pressurized engine oil to form a thin, load-bearing film, preventing direct metal contact as the rod reciprocates at high speed. When these metals wear, that clearance increases, oil pressure drops, and an audible knock develops; left unaddressed, journal scoring and connecting rod failure follow. The Multiquip 8970777930 Metal Set Conn Rod Std restores that critical clearance to OEM specification, forming the foundation of a sound engine rebuild on the DCA25USI.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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