The Honda 22521-772-010 Tensioner Arm is a genuine OEM replacement designed for the H1011 riding mower. Sourced directly from Honda, this part matches the original specification exactly, so it installs without guesswork and restores proper belt tension to the drive system. Honda supersedes parts at serial number breaks, so confirm your mower's serial number against the fitment table before ordering to ensure this is the correct version for your unit.
Key Features
- Genuine Honda OEM — manufactured to Honda's original specification, ensuring correct geometry and pivot action for the H1011 riding mower's drive system.
- Direct Replacement — this tensioner arm is a like-for-like swap that reinstates proper belt tension without adaptation or rework.
- Serial Number Verification — Honda updates part numbers at production breaks; check your H1011's serial number against the fitment table to confirm this arm is right for your machine.
- Drive System Performance — a correctly functioning tensioner arm keeps belt slip and premature belt wear in check, maintaining consistent power delivery to the mower's drive.
The tensioner arm is a pivoting component in the H1011 riding mower's belt drive system. It applies consistent pressure against the drive belt, keeping it taut enough to transfer power efficiently without slipping or jumping. When the tensioner arm wears, bends, or loses its pivot action, belt tension becomes erratic — leading to slipping, increased belt wear, and loss of drive engagement. Replacing a worn arm restores the controlled, steady tension the belt needs to perform correctly.
Part Details
| Part Number | 22521-772-010 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Tensioner Arm |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Riding Mower | H1011 | 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.