The Honda 28422-ZG3-004 Starter Ratchet is a genuine OEM component designed for GD320 and GD410 horizontal shaft diesel engines. As a direct OEM replacement sourced from Honda, this part carries the exact geometry and engagement specifications the recoil starter system requires. Honda supersedes parts at serial breaks, so confirm your engine's serial number against the fitment table before ordering to make sure part number 28422-ZG3-004 is the correct match for your unit.
Key Features
- Genuine OEM Engagement Accuracy — manufactured to Honda's own specifications, ensuring the ratchet teeth engage and release the starter cup with the correct geometry — critical on a diesel engine where compression resistance is significantly higher than a petrol unit.
- Direct Replacement for GD-Series Diesels — built specifically for GD320 and GD410 horizontal shaft diesel engines, dropping directly into the existing recoil starter assembly without modification.
- Serial Number Verification Recommended — Honda issues part supersessions at defined serial breaks; always cross-reference your engine's serial number with the fitment table to confirm this is the right ratchet for your specific production run.
- Compression-Load Starting Performance — a worn or damaged ratchet slips under the high compression load of a diesel, resulting in failed starts or uncontrolled snap-back. A sound ratchet ensures clean, positive engagement every pull.
The starter ratchet is the one-way engagement component inside the recoil starter assembly. When the operator pulls the starter rope, the ratchet locks against the starter cup and transfers that pulling force to crank the engine; once the engine fires and the rope is released, the ratchet disengages so the spinning engine does not drive the rope back. On a diesel engine, where compression resistance is considerably greater than on a petrol engine, the ratchet faces a heavier load on every pull. When the ratchet teeth wear, chip, or lose their engagement spring tension, the mechanism slips instead of catching, making the engine impossible to start by hand and potentially exposing the operator to rope snap-back.
Part Details
| Part Number | 28422-ZG3-004 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Starter Ratchet |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Diesel Engine | GD320, GD410 | 1000114-9999999 |
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.
