Multiquip 45492 Header Briggs 23HP MRX

The Multiquip 45492 Header Briggs 23HP MRX is a genuine OEM replacement part designed for LD6, LD6SL, and LD60 series light-duty hydrostatic ride-on power trowels. Sourced directly from Multiquip, this part meets the exact specifications of the original component installed at the factory. Fitment covers the LD6, LD6SL, and LD60 models, so you can order with confidence knowing this is the correct header for your machine's 23HP Briggs engine. DHS Equipment stocks genuine Multiquip OEM parts to help you get your trowel back to work as quickly as possible.

Key Features

• Genuine OEM Construction: — Manufactured to Multiquip's original design tolerances for the 23HP Briggs MRX engine, ensuring correct port geometry and sealing surface integrity.
• Direct-Fit Replacement: — Engineered as a drop-in replacement that aligns with existing mounting points and gasket surfaces on compatible trowel engines, streamlining the swap.
• Confirmed Fitment: — Verified compatible with Whiteman light-duty hydrostatic ride-on trowel models LD6, LD6SL, and LD60.
• Exhaust Flow Integrity: — A correctly fitted header maintains proper exhaust scavenging for the 23HP Briggs engine, preserving power output and combustion efficiency during finishing operations.
• Exhaust System Safety: — A cracked or failed header can redirect hot exhaust gases toward the operator or nearby components; replacing it promptly with a genuine OEM part keeps exhaust routed safely away from the machine and crew.

The exhaust header is the primary exhaust manifold fitting that collects combustion gases from the engine's cylinder head and channels them into the exhaust system. On a ride-on trowel powered by a 23HP Briggs engine, the header must maintain a tight seal against the cylinder head to prevent exhaust leaks that would reduce engine performance, increase noise levels, and create a heat hazard near the operator. When a header cracks, warps, or the gasket surface deteriorates, power loss and exhaust leaks follow — making prompt replacement essential to keeping the trowel running at full finishing capacity.

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.