Upgrade your Chevrolet Sonic cooling system with this one-piece aluminum coolant reservoir tank designed as a stronger alternative to traditional plastic expansion tanks.
Factory plastic coolant reservoirs may become brittle, crack, or deform after years of exposure to repeated engine heat cycles. This upgraded aluminum coolant expansion tank features durable one-piece cast aluminum construction, precision-machined aluminum fittings, and reinforced mounting points to provide improved strength, heat resistance, and long-term reliability.
Designed as a direct replacement for Chevrolet Sonic coolant reservoir tanks, this aluminum coolant tank fits 2012-2020 Chevrolet Sonic models equipped with 1.4L, 1.6L, and 1.8L engines.
Compatible replacement numbers include 603-386, GM3014167, 95048411, 13502353, and 42609220.
Features:
One-piece cast aluminum construction
Improved resistance against heat aging, cracking, and deformation
Precision-machined aluminum fittings for reliable sealing
Includes 21 PSI / 145 kPa pressure cap
Direct replacement fit for Chevrolet Sonic applications
Upgrade from a conventional plastic coolant reservoir to a durable aluminum coolant expansion tank built for improved durability, reliability, and long-term cooling system protection.
On Sep 16, 2026 at 06:23:59 PDT, seller added the following information:
