UPPAbaby Aria Infant Car Seat Base (Extra Base)
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The UPPAbaby Extra Aria Base, product 0901-ARB-US, creates a second installed docking point for Aria, Aria V2 or Mesa Max infant car seats. SmartSecure red-to-green indicators, auto-retracting LATCH, a built-in seat-belt lockoff, bubble levels, a load leg and an Anti-Rebound+ Panel support a clear vehicle setup. It does not fit Mesa or Mesa V2.
At a Glance
Why It Helps
- A second base can stay installed in another approved family, caregiver or spouse vehicle instead of being moved between cars.
- SmartSecure and red-to-green visual indicators help show progress during installation.
- Auto-retracting LATCH supports lower-anchor installation, while the built-in lockoff supports an approved vehicle-seat-belt installation.
- Bubble levels on both sides, a four-position adjustable foot and the printed 0-4-month angle label help establish the required installation angle.
- The adjustable load leg and Anti-Rebound+ Panel are designed to manage movement as part of the complete base system.
- A finished black bottom helps protect the vehicle seating surface, and GREENGUARD Gold certification addresses low chemical emissions.
Key Details
| Exact product | UPPAbaby Extra Aria Base, 0901-ARB-US |
| Compatible carriers | Aria, Aria V2 and Mesa Max infant car seats |
| Not compatible | Mesa and Mesa V2 infant car seats |
| Lower-anchor installation | Auto-retracting LATCH with SmartSecure red-to-green indicators |
| Seat-belt installation | Built-in lockoff; use only the approved routing in the carrier, base and vehicle manuals |
| Leveling | Bubble indicators on both sides and a four-position adjustable foot |
| Stability features | Adjustable load leg and Anti-Rebound+ Panel |
| Included | One extra car-seat base; infant carrier is sold separately |
Compatibility is model-specific: this base is not for Mesa or Mesa V2. Install it only in an approved vehicle seating position and follow the current carrier, base and vehicle manuals for angle, belt or LATCH routing, load-leg contact and indicator checks. The base is not approved for aircraft use.
Is This the Right Choice?
Frequently Asked Questions
Which infant car seats fit the Extra Aria Base?
UPPAbaby lists Aria, Aria V2 and Mesa Max infant car seats.
Does it fit Mesa or Mesa V2?
No. UPPAbaby explicitly says this base is not compatible with Mesa or Mesa V2.
Is an infant car seat included?
No. This listing includes one extra base only. A compatible infant carrier is required and sold separately.
Can it stay installed in a second car?
Yes. That is the main purpose, provided the second vehicle and seating position allow a correct installation under both manuals.
Can the base be installed with a vehicle seat belt?
Yes, where approved. The base has a built-in lockoff; follow the exact belt path and vehicle instructions.
Can the Extra Aria Base be used on an airplane?
No. UPPAbaby says the Aria base is not approved for aircraft use.
