Multiquip 8970833370 Shim Front Cover DCA-45USJ 4JG1

The Multiquip 8970833370 is a genuine OEM Shim Front Cover DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent generator. As a direct OEM component sourced from Multiquip, this shim delivers the exact thickness and material specification required to maintain correct front cover alignment on the 4JG1 engine. This part is confirmed for the DCA-45USJ series, making it a straightforward service replacement when reconditioning or reassembling the engine front end.

Key Features

• OEM-Exact Thickness Specification — Manufactured to the precise dimensional tolerance required for proper front cover seating on the 4JG1 engine, ensuring correct clearance and alignment every time.
• Direct Drop-In Replacement — Engineered to install in the same position and orientation as the original, fitting flush against the front cover mating surface without additional fitting or rework.
• Confirmed Fitment for DCA-45USJ — Specifically validated for the Multiquip DCA-45USJ ultra-silent generator, so you can order with confidence for that machine.
• Engine Assembly Integrity — A correctly shimmed front cover maintains proper crankshaft endplay and oil seal contact; an incorrect or worn shim can lead to oil leaks and premature seal failure.
• Genuine Multiquip OEM Quality — Sourced directly through the Multiquip parts network, this component meets the same material and dimensional standards as the part originally installed at the factory.

A front cover shim is a precision spacer used during engine assembly to set the correct axial clearance between the front cover and the crankshaft or timing components on the 4JG1 engine. Getting this dimension right is critical — too much or too little clearance affects oil seal compression, timing cover alignment, and overall engine sealing integrity. When this shim is worn, damaged, or improperly sized, the result can be oil weeping from the front cover or misalignment of rotating components that accelerates wear elsewhere in the engine.

For questions about fitment or to confirm this is the right part for your DCA-45USJ, contact the DHS Equipment parts team before ordering.

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.