GEAIN 10.5" Fan Blade Replacement for Dometic Brisk Air II RV AC — 1/2" D Shaft, Durable Plastic

This GEAIN 3310709.005 fan blade is a direct-fit 10.5" replacement for Dometic Brisk Air II RV air conditioners, restoring proper airflow and cooling performance.

If your rooftop Dometic Brisk Air II unit is running louder than usual or the condenser airflow seems weak, a worn or damaged fan blade is often the cause. The GEAIN 3310709.005 is designed to match the original equipment dimensions and shaft profile so you can swap it in quickly and reliably. It’s molded from a durable plastic formulation to resist fatigue and keep operation quieter than metal alternatives.

How will this fan blade affect my RV air conditioner’s performance?

Replacing a bent or cracked blade restores even, efficient airflow across the condenser coils, which helps the unit maintain set temperatures and reduces strain on the compressor. A properly balanced blade also minimizes vibration and noise during operation.

• Matches the original 10.5" diameter for correct airflow pattern
• 3" blade thickness provides structural stability under load
• "D" shaped 1/2" shaft bore fits Dometic Brisk Air II coupling
• Lightweight plastic reduces sound and motor wear

Which Dometic models is the 3310709.005 compatible with?

This replacement was produced to fit multiple Brisk Air II model numbers so you can confidently use it when servicing these common rooftop units. Always double-check the part shape and shaft type before installation.

• Compatible with B57915, B59146, B59186, B59196, B59516, B59530
• Fits units using a 1/2" "D" shaped shaft coupling
• Designed specifically for Dometic Brisk Air II condensers—verify model label

What are the physical specifications and material benefits?

The blade measures 10.5 inches across and is constructed to withstand typical rooftop operating conditions while remaining light enough to limit motor load. Its dimensions and shaft bore match OEM geometry for straightforward replacement without modification.

• Overall diameter: 10.5 inches for correct coil coverage
• Blade thickness: 3 inches for rigidity and balanced airflow
• Shaft mounting: 1/2" "D" shaped hole for secure coupling
• Material: engineered plastic for quieter, corrosion-resistant operation

How difficult is installation and what should I prepare?

Installation is a standard maintenance task that most handy RV owners or technicians can complete in under an hour. You’ll need basic hand tools and should follow safety steps like disconnecting power and supporting the roof unit during access.

• Tools: screwdriver, pliers, possibly a small wrench depending on clamp types
• Safety: disconnect 12V/120V power and stabilize the AC housing
• Procedure: remove top shroud, loosen fan retaining fastener, slide old blade off shaft and press new blade onto the "D" shaft
• Test run: check for balance and unusual noise before re-securing shroud

Who is this replacement blade for? If you own or maintain a Dometic Brisk Air II rooftop air conditioner listed above and are experiencing reduced airflow, excess vibration, or visible blade damage, this GEAIN 3310709.005 part is intended for you. It’s aimed at RV owners, fleet maintenance teams, and HVAC technicians who want an OEM-fit plastic blade that restores quiet, reliable condenser operation without extensive modifications. As with any replacement component, confirm compatibility with your unit’s model number and shaft configuration before purchase.