Your Dolphin robotic pool cleaner works hard all season, but when it is not in use, it needs proper protection. Exposure to sun, rain, dust, and wind can degrade its components and shorten its lifespan. A high quality caddy cover solves this problem, and choosing an OEM or compatible cover ensures a precise fit. In this guide, we review the best OEM Dolphin caddy cover options for 2026, from genuine Dolphin bundles to reliable aftermarket alternatives. Whether you want the original manufacturer part or a cost effective replacement, we have you covered. For more on protecting your pool cleaner, check out our guide on the best dolphin caddy and cover bundle.

Buying Guide: How to Choose the Best OEM Dolphin Caddy Cover

Material and Durability

The fabric of your caddy cover determines how well it resists weather and wear. Genuine Dolphin covers use heavy duty vinyl or polyester with UV protection. Aftermarket options often use 420D Oxford cloth or similar materials. Look for waterproof coatings and reinforced seams to ensure the cover lasts for multiple seasons. If you need a cover that can handle harsh sun, the Dolphin Premium Universal Pool Cleaner Caddy Cover is built with extra thick vinyl that resists cracking.

Fit and Compatibility

Not all covers fit every Dolphin model. OEM covers are designed specifically for Dolphin Universal Caddies, while aftermarket covers often claim universal fit. Check the part number: 9991794-R1 and 9991795-R1 are common. For a snug fit, the TonGass Swimming Pool Cleaner Cover is an exact replacement for 9991794-R1 and fits all residential Dolphin caddies. Always measure your caddy before purchasing. See our roundup of top Dolphin universal caddy covers for more options.

Weather Protection and Ventilation

A good cover shields your robot from rain, snow, and UV rays while preventing moisture buildup. Vents or breathable fabrics like polyester allow air circulation, reducing humidity inside the cover. The Dolphin Premium Caddy Cover includes vents that keep moisture away, while the KYHHL cover uses ventilated polyester fabric. For outdoor storage in humid climates, choose a cover with active airflow to prevent mold or mildew.

Ease of Use and Extra Features

Convenience matters when you are moving your robot. Look for covers with handle slots or grab handles so you can transport the caddy without removing the cover. The Replacement Cover for Dolphin 9991795-R1 has upgraded slots for easy handling, and the PEATOVIE cover includes adhesive straps to secure it in windy conditions. A storage bag is a bonus for keeping the cover tidy when not in use. For more on covers with handle access, read our review of Dolphin premium caddy covers.

Final Thoughts

After evaluating the top options, the best overall choice for year round protection is the Dolphin Genuine Accessory bundle, which includes both a Universal Caddy and a Premium Caddy Cover made from heavy duty vinyl with excellent weather resistance and ventilation. For budget conscious buyers who still want OEM level quality, the TonGass Swimming Pool Cleaner Cover offers a precise fit, durable polyester fabric, and a storage bag at a fraction of the cost. Either way, investing in a proper cover will extend the life of your Dolphin robot and keep it performing at its best season after season.

Frequently Asked Questions

Will a non-OEM cover fit my Dolphin caddy?

Many aftermarket covers are designed to fit Dolphin Universal Caddies. Check the part number compatibility; for example, covers labeled 9991794-R1 or 9991795-R1 are direct replacements. Always measure your caddy dimensions to ensure a snug fit. The TonGass and KYHHL covers are popular aftermarket options that match OEM specifications.

Is the Dolphin Premium cover worth the extra cost?

If you want maximum durability and a perfect fit, the Dolphin Premium cover is a solid investment. It uses heavy duty vinyl with UV resistance and ventilation vents, making it ideal for year round outdoor storage. For occasional use or indoor storage, a less expensive aftermarket cover may suffice. See our comparison of Dolphin classic caddy covers for more details.

How do I clean my caddy cover?

Most covers can be wiped down with a damp cloth and mild soap. Avoid harsh chemicals that may degrade the fabric. For vinyl covers, a gentle rinse with a hose works well. Allow the cover to air dry completely before storing to prevent mildew. Always check the manufacturer’s care instructions.

Can I use the cover year round?

Yes, a quality caddy cover is designed for all seasons. Look for waterproof and UV resistant materials to withstand summer sun and winter rain. Covers with ventilation help prevent moisture buildup during humid months. The Dolphin Genuine Accessory bundle is specifically built for year round protection, as is the PEATOVIE cover with its windproof straps.