2020 Buick Parts — Select Your Model
In 2020, Buick offered 5 models in this catalog, covering 9 engine configurations and 6,377 replacement parts. Choose your model below to see the engines available that year.
From your model you'll pick the engine, then browse fitment-matched parts by category — brakes, cooling, suspension, electrical and more — each with part numbers you can cross-reference against your old part or a repair quote.
All 2020 Buick Models
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Looking for a different year? See all Buick model years →
Buying Parts for a 2020 Buick: What to Check First
The single most common reason a "2020 Buick" part gets returned is the engine. Buick's 2020 lineup spans 9 engine configurations across 5 models, and fitment for brake, cooling, drivetrain and electrical parts follows the engine, not the badge on the trunk. Confirm yours before ordering — it's printed on the emissions label under the hood, and the 8th character of the VIN usually encodes it.
Each part downstream carries a manufacturer part number you can check against the old part, the factory catalog or a shop quote. Where both exist, OEM-supplier and aftermarket options appear side by side for the same fitment, so the price-versus-longevity call is yours to make with the numbers in front of you.
Frequently Asked Questions
Which 2020 Buick models does this page cover?
All 5 models listed for 2020, covering 9 engine configurations and 6,377 parts. Select a model above to see its engines and parts categories.
Do all 2020 Buick models use the same parts?
No — and often even the same model doesn't, if it was offered with more than one engine. Fitment is published per year, model and engine, which is exactly how this catalog is organized. Two 2020 Buicks with different engines usually need different filters, belts, brake components and sensors.
How do I know which engine my 2020 Buick has?
Check the emissions/emission-control label on the underside of the hood or the radiator support — it states the engine displacement. The 8th character of the VIN also encodes the engine on most vehicles. Once you know it, every parts list here filters to that exact configuration.
Can I cross-reference an OEM part number for my 2020 Buick?
Yes. Every part includes the manufacturer part number, and the site search accepts part numbers directly. Searching a number shows every configuration it fits — the quickest way to confirm an OEM number's aftermarket equivalent, or to check a number from a repair estimate.
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.