Autotecnica SC0718888 Engine Coolant Reservoir

Engine Coolant Reservoir for Scion tC

Replace a cracked or leaking coolant tank with this Autotecnica engine coolant reservoir, part number SC0718888. It is built for the 2005-2010 Scion tC and includes a vented cap for direct replacement service on the cooling system.

Key Features

• Engine coolant reservoir for the Scion tC
• Fits 2005-2010 Scion tC, N/A
• Autotecnica part number SC0718888
• Plastic (HDPE) construction
• Cap included; vented cap type
• Non-pressurized design
• No level sensor included
• Mounting hole quantity: 1

Product Details

This Autotecnica coolant reservoir is designed as an OE-style replacement for the factory expansion tank used on the Scion tC. The HDPE plastic construction is selected for cooling-system use, while the non-pressurized layout and vented cap match the reservoir’s intended function in the vehicle’s coolant recovery system. Part number SC0718888 is also cross-referenced to Dorman OE Solutions 603-073 for the same application.

Common Problems This Part Can Address

• Coolant loss from a cracked or split reservoir
• Visible coolant staining around the tank or cap area
• Overflow or recovery tank damage from heat cycling
• Improper coolant level retention caused by a failing reservoir
• Replacement needs after brittle plastic deterioration

Installation Notes

Verify reservoir shape, mounting point, and hose connections against the original unit before installation. This replacement uses one mounting hole and includes the cap, but mounting hardware is not included. Transfer any reusable hoses or related components from the original setup as needed, and inspect the cooling system for leaks before refilling.

Quality Assurance

Autotecnica manufactures aftermarket parts to ISO/TS 16949 QMS specifications and backs this product line with a two-year, unlimited mileage warranty. SC0718888 is a practical replacement choice for DIY repairs and professional service work on 2005-2010 Scion tC cooling systems.