The Multiquip 90551ZE1000 is a genuine OEM 18MM Piston Pin Clip designed for a wide range of Multiquip and Whiteman equipment, including plate compactors, concrete mixers, ride-on trowels, rollers, pumps, generators, and masonry saws. This small but critical retaining clip is a direct Honda engine component, sourced to exact OEM specification and confirmed for use across model families including MVC82VHW, MVH158GH, MVH208GH, MVH308GH, MC94P/S, WM70S/P, JWN24HTCSL, QP3TH, and many more. As a genuine OEM part, it carries the same specifications as the original hardware installed at the factory. Having the correct clip on hand keeps engine teardowns on schedule and prevents costly reassembly delays.
Key Features
- Genuine OEM Retention Spec — Manufactured to the exact diameter and spring-tension profile required for an 18MM piston pin, ensuring the pin stays fully seated under engine load.
- Drop-In Engine Fitment — Installs directly into the piston pin groove without modification, matching the original clip channel dimensions on Honda-powered Multiquip equipment.
- Broad Model Coverage — Confirmed for plate compactors (MVC82VHW, MVH158GH, MVH208GH, MVH308GH), concrete mixers (MC94P/S, MC64P/S, WM70S/P), ride-on trowels (JWN24HTCSL), pumps (QP3TH, QP402H), generators, rollers, saws, and vibrators.
- Engine Integrity at the Core — A failed or missing piston pin clip allows lateral piston pin migration, which causes scoring on the cylinder wall and rapid engine failure — replacing this clip during any top-end service is essential.
- Service-Ready Single Component — Stocking this clip means piston or ring replacement jobs are never stalled waiting on a missed hardware item.
The piston pin clip — also known as a circlip or snap ring — is a small spring-steel retaining ring that locks the piston pin in place inside the connecting rod. Its job is to prevent the pin from walking sideways within the piston, which would allow it to contact and score the cylinder bore. During any engine top-end rebuild or piston replacement, these clips must be removed and replaced with new ones, since reusing a clip that has been sprung open risks improper seating. A missing or improperly installed clip leads to rapid internal engine damage, making this an inexpensive part with outsized importance to engine longevity.
Part Details
| Part Number | 90551ZE1000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | 18MM Piston Pin Clip |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Mixers | MC94P/S |
| Plate Compactors | MVC82VHW |
| Plate Compactors | MVC82VH |
| Plate Compactors | MVH158GH |
| MQ Mixers | MC94SK/MC94PK |
| Plate Compactors | MVH208GH |
| Plate Compactors | MVH128GH |
| Plate Compactors | MVH308GH |
| Plate Compactors | MVC88VTHW |
| Plate Compactors | MVC88VTH |
| Whiteman Ride-On Power Trowels | JWN24HTCSL/HSCSL |
| Gasoline Powered Generators | GAC2.5HR |
| Saws | SP1G |
| Rollers | AR14H |
| Gasoline Powered Generators | GA3.6HR |
| Gasoline Powered Generators | GA2.5HR |
| Gasoline Powered Generators | GAC2.2HZ |
| MQ Mixers | MC64P/S |
| Whiteman Mixers | WM70S/P |
| Saws | MP1455HP |
| Saws | MP120E |
| Saws | MP115E |
| Saws | MP1H |
| Rollers | R2000H |
| Vibrators | G55H |
| Gasoline Powered Generators | GA9.7HE |
| Saws | MP2090HP |
| Saws | MP2050E3 |
| Saws | MP2050E1 |
| Saws | MP2H |
| Saws | MP275E3 |
| Saws | MP25E3 |
| Saws | MP25E1 |
| Plate Compactors | MVC90H |
| Gasoline Powered Generators | GA3.6HA |
| Gasoline Powered Generators | GA3.6HZ |
| Centrifugal Pumps | QP3TH |
| Centrifugal Pumps | QP402H |
| Centrifugal Pumps | QP205SH |
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.
