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Transmission Assembly

Transmission

Transmission

Transmission

Transmission

Transmission

Transmission

Transmission

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Transmission

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Transmission

Transmission

Transmission

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A responsive transmission keeps your Simplicity mower moving smoothly across the yard. When shifting becomes sluggish or the drive system falters, genuine OEM transmission parts restore that reliable power transfer. Repair Clinic stocks factory-engineered parts built to Simplicity's exact specifications— to ensure the right fit and lasting performance.
Whether you need a complete transaxle assembly, individual clutch plates, or brake parts, we carry the specific parts your model demands. Buying OEM parts protects your mower's integrity and keeps repair costs predictable.
Find your exact Simplicity lawn mower transmission parts by entering your model number above.
Transmission and brake issues affect how your Simplicity mower performs. Below are answers to help you diagnose problems and find the right replacement parts.
If your mower won't move forward or reverse, makes grinding or whining noises, or the engine runs but wheels don't engage, the transaxle or clutch is likely failing. Loss of hydraulic fluid or visible leaks also signal internal damage. Inspect the shift linkage first—sometimes a loose rod prevents proper gear engagement without requiring full replacement.
Model numbers appear on a metal tag bolted to the frame, usually near the engine or under the seat. Write down the full model and serial number; they're needed for ordering the correct transaxle assembly. Simplicity's engineering changed by year, so exact identification prevents costly shipping errors.
Absolutely. If only the clutch is slipping or brake pads are worn, you can buy individual parts. However, if the transaxle case is cracked or gears are stripped, full assembly replacement becomes necessary. Inspect internal damage before deciding—sometimes a single seal replacement solves the problem.
OEM parts are engineered to exact tolerances and matched to your mower's hydraulic system. Aftermarket transaxles sometimes fit loosely or shift imprecisely, creating safety hazards and creating compatibility or performance problems. Genuine parts cost slightly more but deliver reliability and manufacturer protection.


Ensure your Simplicity Lawn Mower operates smoothly with genuine OEM transmission replacement parts from Repair Clinic. Lawn mower transmissions are important for transferring power from the engine to the wheels, ensuring efficient movement and control. Regular maintenance and timely replacement of transmission parts help prevent breakdowns and extend the life of your lawn mower. Utilize our model number lookup to find the exact transmission part for your Simplicity mower, and benefit from our same-day shipping, No-Hassle 365-Day Returns, and Price Match Guarantee. For detailed repair guidance, visit our Lawn Mower Repair Help page or find a variety of Lawn Mower Chassis Parts for additional support.
On Simplicity lawn mowers, look for the model number on a metal tag attached to the frame, often near the engine or beneath the seat. Some models place the identification label on the mower deck or engine housing, so check those areas if you do not see it right away. Record the complete model number, including letters and decimals, rather than relying on the serial number alone. Enter that number in the model number search to pull up the parts matched to your unit. The model number filters the full Simplicity lawn mower catalog, not just transmission parts, so you can identify the correct part for any repair. Accurate identification streamlines ordering and helps prevent costly fitment mistakes.

When something goes wrong with your Simplicity Lawn Mower, Repair Clinic's online repair help is the fastest way to sort out the cause. Diagnostic articles cover the symptoms you are seeing, part testing videos verify the failed component, and step-by-step written and video guides cover the installation. Use the model number lookup to confirm the exact OEM part before you order.

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