Air Pump Diaphragm Gasket Suction Cup | LP-20/40/60/100 Parts

Keep Your Air Pump Running Like New

Restore full performance to your LP-20, LP-40, LP-60, or LP-100 air pump with this genuine rubber replacement diaphragm gasket and suction cup (leather cup). Precision-engineered from durable, high-quality rubber, this part creates the airtight seal your pump needs to deliver consistent, reliable airflow — whether you're aerating an aquarium, running a garden irrigation system, or powering any compatible air pump application.

Made in Mainland China.

Product Highlights

• Universal Fit: Compatible with LP-20, LP-40, LP-60, and LP-100 series air pumps
• Premium Rubber Construction: High-elasticity rubber material for long-lasting, airtight performance
• Color: Black
• 100% Brand New: Manufactured to strict quality standards
• Easy DIY Replacement: Drop-in fit makes maintenance quick and hassle-free
• No Batteries Required: Purely mechanical component — no electrical parts
• Package Includes: 1 × Diaphragm Gasket / Suction Cup (Leather Cup)

Specifications

• Material: Rubber
• Color: Black
• Compatible Models: LP-20, LP-40, LP-60, LP-100
• High-Concern Chemicals: None
• Brand: HELTC

Important Notes

• Photos are for reference only and may not reflect actual size — please refer to your pump's model specifications for exact dimensions.
• Please allow 5–10 mm tolerance due to manual measurement.
• Actual color may vary slightly from images due to monitor settings and lighting.

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For more information on aquarium aeration and water quality, visit the U.S. EPA WaterSense Resource Center.

Frequently Asked Questions

Q: Which air pump models is this diaphragm gasket compatible with?

A: This replacement diaphragm gasket and suction cup is designed to fit LP-20, LP-40, LP-60, and LP-100 series air pumps. Always verify your pump's model number before ordering to ensure compatibility.

Q: What material is the diaphragm gasket made from?

A: The gasket is made from high-quality rubber, providing excellent elasticity and durability for a long-lasting, airtight seal in your air pump.

Q: How many pieces are included in the package?

A: Each package includes 1 × diaphragm gasket / suction cup (leather cup). If you need multiple units, simply adjust the quantity at checkout.

Q: Is this part easy to install myself?

A: Yes! This is a straightforward drop-in replacement part. No special tools or electrical knowledge are required — simply open your pump housing, swap out the old gasket, and reassemble.