The Honda 41321-750-000 Differential Pinion Shaft is a genuine OEM component designed for H5013 and H5518 multi-purpose tractors, HT3810, HT3813, and HT4213 lawn tractors, and the RT5000 multi-purpose tractor. As a direct Honda OEM part, it is manufactured to the same specification as the shaft installed at the factory, ensuring a proper fit within the differential assembly. Confirm your machine's serial number against the fitment table before ordering, as Honda periodically supersedes components at production breaks.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this shaft meets the same dimensional and material standards as the original, keeping the differential operating as designed.
- Exact Differential Fit — engineered to drop into the differential housing of the covered tractor models without rework, preserving correct gear mesh and load transfer.
- Broad Tractor Compatibility — fits H5013 and H5518 multi-purpose tractors, HT3810, HT3813, and HT4213 lawn tractors, and the RT5000 multi-purpose tractor; verify your serial number against the fitment table to confirm the correct variant for your unit.
- Drivetrain Integrity — a worn or damaged pinion shaft disrupts differential action, causing uneven power delivery to the drive wheels and accelerating wear on surrounding gear components; replacing it promptly restores smooth, controlled traction.
The differential pinion shaft is a core element of the tractor's differential gearset. It carries and positions the pinion gears that allow the left and right drive wheels to rotate at different speeds when the machine turns — a function essential for smooth, controlled maneuvering without scrubbing or binding. When the shaft wears, becomes scored, or fails, the differential loses the ability to distribute torque evenly, resulting in handling problems, increased stress on adjacent components, and potential drivetrain damage if left unaddressed.
Part Details
| Part Number | 41321-750-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Differential Pinion Shaft |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | HT3810, HT3813, HT4213 | All |
| Multi-Purpose Tractor | H5013, H5518, RT5000 | 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.
