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HardDrive Throttle Slide Vacuum Membranes

5.0 out of 5 stars 2 Customer Reviews

Maintain the performance of your CV carburetor with solutions from HardDrive. They have individual throttle slide vacuum membranes, offering you a cost-effective repair not available from the OEM. Your Keihin CV carburetor will not work properly when these rubber membranes are punctured or torn. Now you no longer need to buy a complete slide assembly. Thanks to HardDrive, you can purchase and replace just the rubber seal.

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HardDrive Throttle Slide Vacuum Membranes 820-50920

Carburetor Diaphram, Throttle Slide Vacuum Membrane, Rubber, Harley-Davidson®, Each

Part Number: HDD-820-50920

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

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