The Genie 1266638GT is a genuine OEM Kohler Rocker Arm designed for the Genie RL4 Vertical Mast. As a factory-sourced component, this rocker arm is manufactured to the same specifications as the original part, ensuring a correct fit with no guesswork. Cross-reference part number 1266638GT against your machine's parts manual to confirm it is the right part for your unit before ordering.
Key Features
- Genuine OEM Construction — Sourced directly from Genie and engineered to Kohler's original dimensional and material standards for this engine application.
- Direct-Fit Replacement — Installs in place of the original rocker arm with no modification, restoring the engine to its proper operating condition.
- Confirmed RL4 Fitment — Verified for the Genie RL4 Vertical Mast; always confirm against your parts manual before ordering.
- Restored Engine Performance — A worn or failed rocker arm disrupts valve timing and reduces engine output; replacing it with the correct OEM part restores proper operation.
- Valvetrain Integrity — Correct rocker arm geometry is essential for consistent valve lift and engine efficiency — a critical consideration for equipment that depends on reliable power output in the field.
A rocker arm is a pivoting component in an engine's valvetrain that transfers motion from the camshaft — via a pushrod — to open and close the intake and exhaust valves. When it functions correctly, valve timing remains precise and the engine runs efficiently. A worn, cracked, or failed rocker arm causes misfires, loss of power, excessive valve noise, or an engine that will not start. Replacing a damaged rocker arm promptly with the correct OEM part keeps the engine operating as intended and avoids more extensive valvetrain damage.
Part Details
| Part Number | 1266638GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Kohler Rocker Arm |
Compatibility & Fitment
| Name | Model |
|---|---|
| RL4 Vertical Mast | RL4 Vertical Mast |
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.
