Pentair Great White Idler Gear Kit | GW9509 - Cleaner Parts - img - 1

Pentair Idler Gear Kit for Great White Pool Cleaner GW9509 - Cleaner Parts - img-1

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Pentair Great White Idler Gear Kit | GW9509

The Pentair Great White Idler Gear Kit (GW9509) is a replacement drivetrain kit designed to restore smooth motion and reliable power transfer in the Pentair Great White suction-side automatic pool cleaner. The idler gear helps transfer rotation from the turbine drive to the wheel and steering assemblies, and replacing worn or stripped gears helps eliminate slippage and improve cleaner navigation.

Compatible Pool Cleaner

Pentair Great White Suction-Side Pool Cleaner

Key Features

Idler gear replacement for drivetrain power transfer
Durable design built for continuous underwater use
Direct OEM replacement for worn, stripped, or damaged gears
Helps improve wheel traction and propulsion efficiency
Essential for restoring smooth cleaner movement

Specifications

Brand: Pentair
Part Number: GW9509
Component: Idler gear kit
Application: Great White suction-side automatic pool cleaner

Application & Use

This idler gear kit replaces the intermediate gear that links the drive train to the wheel and steering gears. Over time, idler gears can wear or strip, leading to slipping, rough movement, or skipped rotations. Installing this kit helps restore consistent transmission of drive force for smoother coverage and improved cleaner performance.

Related Products

Maintenance Tips

Inspect the idler gear during routine cleaner service, particularly if you notice slipping, grinding noises, or uneven motion. Replacing worn idler gears helps maintain smoother movement and enhances overall cleaner performance.

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

We do not ship on Saturday or Sunday.
Orders totaling more than $300 will require signature confirmation upon delivery.
We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
Expedited shipping options are available at checkout.

Return Policy:

Products that are received damaged will receive a refund in store credit.
Most products are eligible for return within 30 days of receipt, except where noted below.
To initiate a return, please complete an RMA form prior to sending your item back.
Original shipping costs are non-refundable and will be deducted from the return credit.
Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
Some returns will be charged an automatic 15% restocking fee.
We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
Please complete the return form to receive your RMA number and return shipping label.
Chemical products are not eligible for return under any circumstances.
The Pentair Colorsync 618031 is not eligible for return.
Pool cleaners are not eligible for return.
Opened seals and o-rings are not eligible for return.
Capacitors are not eligible for return.
Plastic popup tools are not eligible for return.
Automation components and circuit boards are not eligible for return.
If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.