The Multiquip 28443ZH8003 Return Spring is a genuine OEM component designed for a wide range of Multiquip and Whiteman equipment, including CA4HM and CA-4-4H walk-behind power trowels, WM70S and WM70P Whiteman mixers, MC64P, MC64S, and MC44S concrete mixers, MVC90H plate compactors, QP205SH centrifugal pumps, MP1455HP, MP120E, MP115E, and MP1H masonry saws, GAC2.2HZ gasoline generators, and G55H concrete vibrators. Sourced directly from Multiquip, this part carries the same specifications as the original component installed at the factory. Cross-equipment compatibility makes it a practical stocking item for contractors and dealers running mixed Multiquip fleets. Confirm your model code against the fitment list before ordering to ensure an accurate match.
Key Features
- Genuine OEM Spring Tension Spec — Manufactured to the exact load and return rate of the original, ensuring consistent mechanical response across every application.
- Drop-In Replacement — Engineered to the same mounting geometry as the part it replaces, so installation follows the original service procedure without modification.
- Broad Multiquip Fleet Compatibility — Fits CA4HM, CA-4-4H, WM70S, WM70P, MC64P, MC64S, MC44S, MVC90H, QP205SH, MP1455HP, MP120E, MP115E, MP1H, GAC2.2HZ, and G55H equipment.
- Consistent Control Response — A correctly functioning return spring snaps controls back to their neutral or rest position cleanly, preventing sluggish operation and operator input errors.
- Operator Safety Relevance — Return springs play a direct role in control neutralization; a fatigued or broken spring can prevent a lever or throttle from returning to the off position, creating a genuine hazard.
A return spring is a mechanical component that stores energy when a control — such as a throttle lever, linkage arm, or clutch mechanism — is actuated, then releases that energy to pull the control back to its default resting position once the operator releases it. Without a properly functioning return spring, controls may stick, hang mid-travel, or fail to disengage, leading to unintended machine operation or difficulty shutting down. Over time, springs fatigue from repeated cycling, lose their tension rating, or break entirely, at which point replacement is required to restore safe and predictable machine response.
For help confirming fitment or to place an order, contact the DHS Equipment team directly.
Part Details
| Part Number | 28443ZH8003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Return Spring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Walk-Behind Power Trowels | CA4HM |
| MQ Mixers | MC64P/S |
| Whiteman Mixers | WM70S/P |
| MQ Mixers | MC44S |
| Centrifugal Pumps | QP205SH |
| Saws | MP1455HP |
| Saws | MP120E |
| Saws | MP115E |
| Saws | MP1H |
| Gasoline Powered Generators | GAC2.2HZ |
| Plate Compactors | MVC90H |
| International Walk-Behind Power Trowels | CA-4-4H |
| Vibrators | G55H |
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.
