Multiquip 03786300 Valve Collet

The Multiquip 03786300 Valve Collet is a genuine OEM component designed for RAMMAX walk-behind roller models including RW1404, RW1404MR, and RW1504HF. As a direct Multiquip OEM part, 03786300 is manufactured to the exact tolerances required to maintain proper valve retention and engine integrity on these roller machines. Fitment covers RW1404MR units from S/N 326075 and up, RW1504HF units up to S/N, as well as standard RW1404 models — always confirm your serial number range before ordering.

Key Features

• Genuine OEM Valve Retention Tolerancing — Manufactured to the exact dimensional spec required to lock and seat valves correctly, preventing valve float or drop under engine load.
• Direct Drop-In Fitment — Designed to install into the valve train in the same position and orientation as the original collet, with no reworking of surrounding components.
• Confirmed Roller Compatibility — Verified for RW1404, RW1404MR (S/N 326075 and up), and RW1504HF (up to S/N 1534188) RAMMAX walk-behind rollers.
• Engine Valve Integrity — A correctly seated valve collet holds the valve spring retainer in place; a worn or failed collet can allow valves to drop, causing immediate and severe engine damage.
• Fuel and Combustion System Safety — Proper valve seating directly affects combustion sealing; a failed collet compromises compression and can allow unburned fuel into the oil system.

A valve collet — sometimes called a valve keeper — is a small but critical split retaining clip that locks the valve spring retainer onto the valve stem in an internal combustion engine. It works in a matched pair to clamp into a groove machined into the valve stem, holding the entire valve spring assembly under tension. Without a properly functioning collet, the valve spring retainer can release, allowing the valve to drop into the combustion chamber and causing catastrophic engine failure. Replacing worn or damaged collets during a valve job or top-end rebuild is essential to restoring safe, reliable engine operation on your RAMMAX roller.

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.