Wacker Neuson 5000081043 Exhaust Port Liner Insert

The Wacker Neuson Exhaust Port Liner Insert is a genuine OEM component designed for the GPS8500 and GPS9700 portable generator series, as well as the RD880V double drum vibratory roller. Sourced directly through Wacker Neuson's authorized parts program, this insert delivers an exact match to the original factory component it replaces. Fitment spans multiple GPS9700 configurations — including EPA-compliant and premium variants — along with the GS8.5V and GS9.7V portable generator models. When you need the right part the first time, the delivers the confidence of a verified OEM replacement.

Key Features

• Genuine OEM Material Integrity — Manufactured to Wacker Neuson's original specification, ensuring the insert maintains the correct heat resistance and dimensional tolerance required for exhaust port sealing.
• Drop-In Port Fitment — Engineered to seat directly into the exhaust port of the cylinder liner, matching the original bore geometry for a secure, leak-free installation.
• Broad Model Coverage — Compatible with the GPS8500, GPS9700 (multiple configurations), GS8.5V, GS9.7V portable generators, and the RD880V double drum vibratory roller.
• Protects Exhaust Flow Efficiency — A correctly seated liner insert maintains proper exhaust gas routing; a worn or cracked insert can cause exhaust leakage, power loss, and accelerated wear to surrounding components.
• Exhaust System Safety — Maintaining the integrity of the exhaust port liner is critical to preventing hot gas bypass and ensuring safe, compliant operation of the engine.

The exhaust port liner insert is a hardened sleeve fitted into the cylinder head or exhaust port opening to protect the surrounding material from the extreme heat and erosive gases that exit the combustion chamber. By providing a durable, wear-resistant surface at the point where exhaust gases leave the cylinder, the insert extends the service life of the cylinder assembly and helps maintain a consistent exhaust seal. When this insert becomes cracked, eroded, or loose, exhaust gases can escape past the intended flow path — leading to power loss, overheating, and potential damage to adjacent engine components.

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.