The Honda 91602-ZE1-781 Oil Seal is a genuine OEM component designed for Honda HS-series snow blowers, including single-stage models HS520, HS521, and HS621 as well as two-stage models HS55, HS80, HS828, HS928, HS1132, and HS1332. As a direct Honda OEM part, this oil seal is manufactured to the exact specifications Honda engineering requires, ensuring the correct fit and function across the full range of compatible machines. Always confirm your model and serial number against the fitment table before ordering, as Honda supersedes parts at specific serial breaks and more than one version of this seal may be listed across the HS lineup.
Key Features
- Genuine OEM Sealing Integrity — manufactured by Honda to the exact dimensional tolerances required for consistent oil retention in HS-series snow blowers, where an undersized or hardened seal allows oil to escape and contaminates the auger or drive system.
- Broad HS-Series Coverage — listed for single-stage snow blowers including HS520, HS521, and HS621, and two-stage models including HS55, HS80, HS828, HS928, HS1132, and HS1332.
- Serial Number Verification Recommended — Honda updates part supersessions at serial breaks, so confirm your unit's serial number against the fitment table to ensure part number 91602-ZE1-781 is the correct seal for your specific machine.
- Direct Drop-In Replacement — engineered to install in the same position as the original, with no machining or modification needed to the housing.
An oil seal prevents lubricating oil from escaping past a rotating shaft — in a snow blower, this typically means keeping oil inside the gearcase or auger drive housing where it belongs. When this seal wears, hardens, or cracks, oil migrates out of the housing and onto surrounding components, leading to accelerated wear from insufficient lubrication and potential contamination of belts or auger assemblies. Replacing a failed oil seal with the correct OEM part restores proper lubrication containment and protects the surrounding drivetrain components from the damage that follows oil loss.
Part Details
| Part Number | 91602-ZE1-781 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Oil Seal |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Single-Stage Snow Blower | HS520, HS521, HS621 | All |
| Two-Stage Snow Blower | HS55, HS80, HS828, HS928, HS1132, HS1332 | 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.
