2004 Cadillac Deville Parts

The 2004 Cadillac Deville shipped with one engine — the 4.6L V8 — and 1,175 matched parts listed for it. Pick a parts category below to see every part matched to it.

Every part carries its brand and manufacturer part number, so you can compare OEM-grade and aftermarket options for the same fitment and cross-reference the number against the part you're replacing before anything goes in the cart.

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Not sure which engine you have? Check the emissions label under the hood, your registration, or decode the VIN — the 8th character usually identifies the engine.

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Other Cadillac Deville Years

Getting Fitment Right on the 2004 Cadillac Deville

The 2004 Cadillac Deville shipped with a single engine — the 4.6L V8 — which keeps fitment straightforward: all 1,175 parts listed for this model year are matched to that configuration. What still deserves attention is the notes column on each part, where position (front/rear, left/right), trim and production-date qualifiers live.

Every part across the 4 categories shows its brand and manufacturer part number. Use the number to cross-reference: match it to the part coming off the vehicle, compare an OEM-supplier part against its aftermarket equivalent, or verify a shop's estimate line by line. When a number is discontinued, the same-fitment parts around it are the fastest path to a current replacement.

Frequently Asked Questions

How many parts fit the 2004 Cadillac Deville?

We list 1,175 parts for the 2004 Cadillac Deville, organized into 4 categories. Every part includes the brand, manufacturer part number and fitment notes.

Which engine does the 2004 Cadillac Deville have?

A single engine is listed for this model year: the 4.6L V8. Every part listed for the 2004 Cadillac Deville is matched to it, so there's no engine ambiguity — just check the notes column for position and trim qualifiers.

Are OEM and aftermarket parts both available for the 2004 Cadillac Deville?

Yes — parts come from original-equipment suppliers and established aftermarket brands, shown side by side with their part numbers where both cover the same fitment. Cross-referencing those numbers is how you confirm an aftermarket part genuinely replaces the OEM one.

How do I verify a part number fits my 2004 Cadillac Deville?

Search the number on this site: the result shows the part, its brand and every configuration with published fitment. If your exact year, model appear in that list, the number is a match. The notes column carries any remaining qualifiers — position, trim or production date.

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.