Polaris Pool Cleaner 3900 Automatic Swimming Sport Tune Up Rebuild Kit R0543200
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<b>[Product Information]</b><br>
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<li>New Polaris R0543200 3900 Tune-Up Kit</li>
<li>Chain guard: Acts as a guide to ensure the drive chain is always aligned on the drive pulley</li>
<li>Redesigned tensioner pulley & spring: Keeps chain engaged with wheel sprockets to maximize torque transfer</li>
<li>Gear box upgrade: Bearing shield incorporated for superior cleaning, durability, extended lifespan, and improved longevity</li>
<li>8-point mechanical upgrade: Provides strength, durability, and ad hassle-free experience.</li>
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