Bring warm air back to the cabin with the Agility Auto Parts HVAC Heater Core 9010220. This coolant-fed core routes hot engine coolant through its tubes and fins so blower air passing over it is warmed for cabin heat and defrost. It drops in as a direct-fit replacement for the 1991 Buick Commercial Chassis, 1991-1992 Buick Roadmaster, 1991 Chevrolet Caprice, and 1991-1992 Oldsmobile Custom Cruiser — see the Buyer's Guide tab for engine-level fitment.
- Enhanced fin-and-tube design: the latest fin and tube technology is intended to increase thermal performance and resist corrosion.
- Certified to meet or exceed OE specifications: each core is fitment-checked in the actual vehicle's HVAC heater module for a drop-in fit right out of the box.
- Quality-built: engineered and manufactured under ISO TS16949 quality systems and 100% leak tested.
If a leaking or clogged original heater core is the cause of weak cabin heat, coolant smell inside, foggy windows, or coolant loss, this unit replaces it. Diagnose the cause before replacing.
Interchange: 18-12182
1812182 · 60049 · 8302 · 52453645 · 98770 · 398271 · 94770 · 90641
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this heater core do?
It routes hot engine coolant through its tubes and fins so the blower air passing over it is warmed, supplying the cabin heat and defrost function.
Which vehicles does the 9010220 fit?
It's a direct-fit replacement for the 1991 Buick Commercial Chassis, 1991-1992 Buick Roadmaster, 1991 Chevrolet Caprice, and 1991-1992 Oldsmobile Custom Cruiser. See the Buyer's Guide tab for engine-level details.
What are signs my heater core may need replacing?
Weak or no cabin heat, a sweet coolant smell inside, fogged-up windows, or unexplained coolant loss. Diagnose the cause before replacing.
Is it tested before shipping?
Yes. Each core is 100% leak tested and fitment-checked in the actual vehicle's HVAC heater module, and is built to meet or exceed OE specifications.
What interchange numbers does it replace?
18-12182, 1812182, 60049, 8302, 52453645, 98770, 398271, 94770, and 90641.
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