One Stop Solutions 98053 HVAC Heater Core

OE-Style Heater Core Replacement

This One Stop Solutions HVAC heater core is built for direct replacement in select Buick, Pontiac, and Oldsmobile applications. Part number 98053 is engineered to match original equipment form and function, with aluminum construction and pressure testing for dependable heater performance.

Key Features

• Direct replacement HVAC heater core for select GM vehicles
• Aluminum construction for OE-style fit and thermal performance
• Cadmium-plated tubes inside and out to help resist premature failure
• Individually pressure tested before shipment
• Foam and related accessories included with the unit
• Cross-reference part numbers: 394212, 93053

Detailed Description

One Stop Solutions part number 98053 is a premium new heater core designed for vehicles that use an OE-style aluminum replacement. It is compatible with 2000-2005 Buick LeSabre, 2000-2005 Pontiac Bonneville, and 2001-2003 Oldsmobile Aurora. This heater core is built to restore cabin heat by replacing a leaking, restricted, or damaged core with a unit made to original equipment form and function.

For shoppers searching for a 2000-2005 Buick LeSabre heater core, 2000-2005 Pontiac Bonneville heater core, or 2001-2003 Oldsmobile Aurora heater core, part number 98053 provides a direct-fit solution. It is also a fitment-based replacement for drivers looking up 98053 heater core applications across these GM platforms.

Common Issues This Part Can Address

• Weak or no heat from the HVAC system
• Coolant odor inside the cabin
• Coolant loss from a leaking heater core
• Fogging or film on the inside of the windshield caused by coolant vapor
• Restricted coolant flow through the heater core

Installation Notes

Verify vehicle fitment by year, make, and model before installation. Heater core replacement typically requires access to the HVAC case, so inspect related seals, hoses, and coolant condition during service. Follow the vehicle service manual for coolant draining, system refill, and air bleeding procedures after installation.

Quality Assurance

Each heater core is individually pressure tested, and the aluminum tubes are cadmium plated inside and out to help reduce early failure. OSC Premium New Automotive Heater Cores are built to OE-style form and function for consistent replacement performance.