Multiquip 1477 Valve Spring Retainer

The Multiquip 1477 is a genuine OEM Valve Spring Retainer designed for a wide range of Honda-powered Multiquip equipment across multiple product families. This OEM component ensures correct valve train geometry and spring retention, matching the original engineering specifications of the engine it serves. Confirmed fitment spans plate compactors including MVH208GH, MVH308GH, MVH408GH, MVC82VHW, MVC88VTHW, and MVC64VH; rammers including MTX50HD, MTX60HD, MTX70HD, MTX70HDR, MTX80HDR, and MTR40HF; Whiteman and Essick mortar and concrete mixers including WM70S/P, WM120SH, WM120PH, MC94P/S, MC64P/S, and MC12PH; gasoline-powered generators including GA3.6HR, GA6HEB, and GA9.7HE; walk-behind and ride-on rollers including MRH800GS, V305EH, AR13H, AR13HC, and AR14H; masonry saws including MP2090HP, MP2050E3, and MP275E3; pumps including QP402H, QP3TH, and QP205SH; gasoline arc welders including GAW180HE; concrete vibrators including G55H and BPX; power trowels including STX6H, HTX6H, PRX, LD60, and B46; and truss screeds in the WSHE-A Series. Source part number 1477 directly to ensure an exact match for your engine build.

Key Features

• Genuine OEM Valve Train Integrity — Manufactured to the same tolerances as the original retainer, maintaining correct spring seat height and keeper engagement across Honda small-engine platforms.
• Drop-In Engine Fitment — Installs directly into the valve train without modification, seating against the valve stem keeper and spring as designed for the original engine assembly.
• Broad Cross-Family Compatibility — A single OEM part number covering Honda-powered equipment across plate compactors, rammers, mixers, generators, pumps, rollers, trowels, saws, and screeds in the Multiquip lineup.
• Protects Valve Spring Function — A correctly seated retainer holds spring tension and keeps valve timing consistent; a worn or cracked retainer can allow valve float, loss of compression, or catastrophic engine failure.
• Fuel and Combustion System Safety — Proper valve spring retention is critical to maintaining consistent combustion sealing; using the correct OEM retainer reduces the risk of valve drop or uncontrolled combustion events during operation.

The valve spring retainer is a small but critical engine component that locks the valve spring in place against the valve stem using a pair of keepers. It maintains the correct spring preload that allows intake and exhaust valves to open and close with precise timing during each combustion cycle. When a retainer cracks, distorts, or loses its grip on the keeper grooves, the valve spring can release, causing immediate and severe internal engine damage — making timely replacement with a correct OEM part essential to engine longevity.

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.