The Honda 90045-890-000 Stud Bolt (10X70) is a genuine OEM fastener designed for a wide range of Honda generators, welder generators, engines, and lawn tractors, including the E4500, EB4000, EM4000, EMS4000, EMS4500, ES4500, EV4000, EW170, G400, GV400, and HT3810. As a direct Honda OEM part, it is manufactured to the exact dimensions and specifications Honda requires, ensuring a proper fit without modification. Because Honda supersedes fastener part numbers at production breaks, always verify your unit's serial number against the fitment table before ordering.
Key Features
- Genuine OEM Fastener — sourced directly from Honda, this stud bolt meets the exact thread pitch, length, and shank diameter Honda specifies for these applications, keeping assemblies properly clamped and torqued.
- 10 x 70 mm Specification — the (10X70) designation identifies a specific size variant; confirm this matches the bolt called for in your Honda parts diagram before installing.
- Broad Fitment — listed for Honda E4500, EB4000, EM4000, EMS4000, EMS4500, ES4500, EV4000, and EW170 generators and welder generators, as well as G400 horizontal shaft engines, GV400 vertical shaft engines, and HT3810 lawn tractors.
- Serial Number Verification Recommended — Honda introduces superseding part numbers at production serial breaks, so cross-check your machine's serial number against the fitment table to confirm part number 90045-890-000 is correct for your unit.
A stud bolt is a fully threaded or partially threaded rod that anchors components together by threading into a tapped bore on one end and accepting a nut on the other. This configuration allows a mating part to be removed and reinstalled repeatedly without disturbing the threads in the base casting, which is especially important on aluminum housings where thread wear is a concern. When a stud bolt stretches, corrodes, or breaks, the clamping force it provides is lost, which can allow gaskets to leak, covers to loosen, or components to shift under load.
Part Details
| Part Number | 90045-890-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Stud Bolt (10X70) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EB4000, EM4000, EMS4000, EMS4500 | 1011783-9999999 |
| Generator | E4500, ES4500, EV4000 | 1297698-9999999 |
| Horizontal Shaft Engine | G400 | 1297698-9999999 |
| Lawn Tractor | HT3810 | All |
| Vertical Shaft Engine | GV400 | 2011826-9999999 |
| Welder Generator | EW170 | 1011783-9999999 |
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.
