Apex AWO2003 Engine Coolant Outlet O-Ring

Engine Coolant Outlet O-Ring for OE-Style Sealing

The Apex AWO2003 engine coolant outlet O-ring is a direct-fit sealing component for cooling system service on a wide range of Ford, Mercury, Lincoln, Buick, Oldsmobile, Pontiac, and Kia applications. It is used at the coolant outlet, inlet tube, or thermostat housing/seal location where a reliable seal is needed to help maintain coolant pressure.

Key Features

• Engine coolant outlet O-ring for cooling system sealing
• Fits select 1986-1997 Ford, Mercury, Lincoln, Buick, Oldsmobile, Pontiac, and Kia vehicles
• Application-specific fitment for coolant outlet, inlet tube, thermostat housing, and thermostat seal locations
• Part number AWO2003 for catalog and service reference
• Compatible with vehicles including Ford Escort, Ford Taurus, and Mercury Sable applications

Detailed Description

Apex AWO2003 is a sealing O-ring used in engine coolant outlet service to help maintain a secure connection between cooling system components. This part is listed for multiple vehicle platforms, including Fits 1991-1996 Ford Escort, Fits 1988-1995 Ford Taurus, and Fits 1988-1995 Mercury Sable, with notes that identify inlet tube, thermostat housing, or thermostat seal applications where applicable. The AWO2003 part number is also referenced for other coverage such as Ford Aspire, Mercury Tracer, Lincoln Continental, Buick LeSabre, Oldsmobile 98, and Pontiac Bonneville.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems It May Address

• Coolant seepage at the outlet, inlet tube, or thermostat housing
• Loss of sealing at a worn or flattened O-ring surface
• Coolant odor or visible residue around the thermostat area
• Service leaks after cooling system maintenance
• Seal deterioration from age and heat cycling

Installation Notes and Tips

Inspect the mating surfaces before installation and clean away old coolant residue, corrosion, or debris. Match the replacement to the exact application notes for your vehicle, since some listings use inlet tube, thermostat housing, or thermostat seal locations. Verify the part number AWO2003 against the original seal location before reassembly.

Quality Assurance

Apex cooling system sealing components are cataloged for specific OE-style applications and fitment coverage. Confirm vehicle year, make, model, and sealing location against the listing before installation.