The Honda 14100-ZH7-B20 Camshaft Assembly is a genuine OEM component designed for GX120 horizontal shaft engines. Sourced directly from Honda, this assembly delivers the exact lobe profiles, journal dimensions, and timing specifications the GX120 requires for correct valve operation. Genuine OEM status means the Camshaft Assembly matches the original part precisely — no adapting, no guesswork. Confirm your engine's serial number against the fitment table before ordering to ensure this is the correct application for your unit.
Key Features
- Correct Lobe Geometry — as a genuine Honda OEM assembly, this camshaft carries the exact lift and duration profiles specified for the GX120, ensuring intake and exhaust valves open and close at the right moment in the combustion cycle
- Direct OEM Replacement — engineered to drop into the GX120 valvetrain without modification, maintaining the original journal clearances and gear mesh that Honda designed into the engine
- Serial Number Verification Recommended — Honda supersedes parts at production breaks, so check your engine's serial number against the fitment table to confirm part number 14100-ZH7-B20 is correct for your specific GX120
- Valve Timing Integrity — a worn or damaged camshaft causes erratic valve timing, leading to lost compression, hard starting, rough running, and accelerated wear on the rocker arms and valves it drives
The camshaft is the component that controls when the engine's intake and exhaust valves open and close. Driven by the crankshaft through a gear set, it rotates at half the crankshaft speed and uses its precision-ground lobes to push the valves open at the exact point in each combustion cycle. When a camshaft wears — whether through oil starvation, extended service intervals, or simple age — lobe profiles deteriorate, valve timing drifts, and the engine loses the crisp starting and consistent power output it was built to deliver. Replacing a worn camshaft with a genuine Honda assembly restores correct valve events and protects the rest of the valvetrain from cascading wear.
Part Details
| Part Number | 14100-ZH7-B20 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Camshaft Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX120 | 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.
