Multiquip 8970716730 Push Rod DCA-45USJ 4JG1

The Multiquip 8970716730 Push Rod DCA-45USJ 4JG1 is a genuine OEM push rod designed for the DCA-45USJ ultra-silent diesel generator. As a direct-source OEM component, it is manufactured to the exact dimensions and material specifications required by the 4JG1 engine powering this unit. Verified fitment covers the DCA-45USJ series, making it the correct choice when servicing or rebuilding the valvetrain on this machine.

Key Features

• OEM-Grade Valvetrain Precision — Manufactured to the exact length, diameter, and hardness tolerances required by the 4JG1 engine, ensuring correct valve lift and timing geometry.
• Drop-In Engine Fitment — Engineered specifically for the DCA-45USJ valvetrain layout, seating correctly between the lifter and rocker arm without adjustment.
• Confirmed Compatibility — Directly fits the DCA-45USJ ultra-silent generator series powered by the Isuzu 4JG1 diesel engine.
• Sustained Power Output — A correctly dimensioned push rod maintains proper valve actuation, preserving full combustion efficiency and stable generator output under load.
• Engine Safety Under Load — A worn or bent push rod can cause valve float, loss of compression, or catastrophic valvetrain contact — replacing with a genuine part eliminates that risk during continuous generator operation.

A push rod transfers motion from the camshaft lobe — via the lifter — upward to the rocker arm, which then opens the intake or exhaust valve at precisely the right moment in the engine's firing cycle. In a diesel engine like the 4JG1, correct push rod length and straightness are critical: even minor dimensional deviation affects valve timing, compression, and fuel combustion efficiency. A bent, worn, or incorrect push rod can result in misfires, loss of power, overheating, or internal engine damage if left unaddressed.

For fitment questions or help confirming compatibility with your DCA-45USJ, contact the DHS Equipment team directly.

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.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.