The Honda 16100-Z0J-H03 Carburetor Assembly (BB70A C) is a genuine OEM carburetor built for HS520 and HS720 single-stage snow blowers. As a direct Honda OEM component, this carburetor is manufactured to the same specification as the original unit, ensuring correct fuel metering and air-fuel mixture delivery for dependable cold-weather starting and smooth throttle response. The BB70A C variant designation identifies this specific calibration — confirm it matches your existing carburetor before ordering, especially if your snow blower has been in service across multiple seasons with varying part revisions.
Key Features
- OEM Fuel Metering Accuracy — Calibrated jets and needle settings match Honda's original specification for the BB70A C carburetor, delivering the precise air-fuel mixture these single-stage snow blowers require for reliable cold-weather starts.
- Correct Variant for Your Machine — The BB70A C designation identifies a specific carburetor calibration. Matching this variant to your unit's existing part number 16100-Z0J-H03 is the key step before installation.
- Fits HS520 and HS720 Single-Stage Snow Blowers — Designed specifically for Honda HS520 and HS720 single-stage snow blowers; check your serial number against the fitment table to confirm this is the right revision for your unit.
- Restores Full Power and Throttle Response — A worn or gummed carburetor causes hard starting, rough idling, and loss of throwing power. Replacing it with this genuine OEM assembly brings fuel delivery back to spec and restores full auger performance.
The carburetor is the component responsible for mixing air and fuel in the correct ratio before delivery to the engine's combustion chamber. On a single-stage snow blower like the HS520 and HS720, consistent fuel metering is especially critical because these machines are started and run in cold, often frigid conditions where even minor carburetor wear or varnish buildup can cause hard starting, surging, or stalling mid-use. When a carburetor fails — whether from ethanol-related gumming, worn needle seats, or cracked diaphragms — the engine loses the stable fuel supply it needs, and the rubber paddle auger that gathers and throws snow cannot perform at full capacity. Replacing this assembly with a genuine Honda OEM unit restores the fuel system to its original operating condition.
Part Details
| Part Number | 16100-Z0J-H03 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Carburetor Assembly (BB70A C) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Single-Stage Snow Blower | HS520, HS720 | 3762886-9999999 |
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.
