The Honda 90001-ZN1-000 Connecting Rod Bolt (6X37) is a genuine OEM fastener designed for Honda GCV520, GCV530, GX610, GX620, GX670, GXV520, GXV530, GXV610, GXV620, GXV670 engines, and the EB11000 generator. As a genuine Honda part, this bolt is manufactured to the exact specifications called out in Honda's engineering drawings, ensuring it meets the clamping requirements of the connecting rod application. Always confirm your engine's serial number against the fitment table before ordering, as Honda updates part numbers at defined serial breaks.
Key Features
- Genuine OEM Fastener — Honda-sourced hardware held to the thread form, shank diameter, and length (6X37) specified for this connecting rod application — no guesswork on dimensional conformance.
- Critical Clamping Integrity — the connecting rod bolt is a high-load fastener; a correct, undamaged bolt maintains the rod cap joint under combustion loads, while a stretched or incorrectly sized bolt risks rod bearing failure and engine damage.
- Broad Engine Coverage — listed for GCV520, GCV530, GX610, GX620, GX670, GXV520, GXV530, GXV610, GXV620, and GXV670 engines, as well as the EB11000 generator.
- Serial Number Verification Recommended — Honda revises fitment at specific serial breaks; check your engine's serial number against the compatibility table to confirm this is the correct bolt for your unit.
The connecting rod bolt secures the rod cap to the connecting rod, clamping the rod around the crankshaft journal and keeping the piston-to-crank assembly together under the repeated stress of combustion. Because this bolt is torqued to a precise specification during assembly, it must not be reused after removal — a connecting rod bolt that has been stretched beyond its yield point cannot reliably maintain clamping load, which can lead to rod cap separation and catastrophic internal engine damage. Replacing it with the correct Honda part number 90001-ZN1-000 ensures the joint is restored to its original integrity.
Part Details
| Part Number | 90001-ZN1-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Connecting Rod Bolt (6X37) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EB11000 | All |
| Horizontal Shaft Engine | GX610, GX620, GX670 | All |
| Vertical Shaft Engine | GCV520, GCV530, GXV520, GXV530, GXV610, GXV620, GXV670 | All |
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.
