The 2021 Aston Martin DBX has 3 engine parts with verified fitment on this page — 2 part types and 2 brands, covering the 4.0L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The engine on the 2021 Aston Martin DBX covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. All 3 listed parts are Oil (2 parts) and Oil Filter (1 part).
Every part on this page is matched to the 4.0L V8 Turbocharged — the only engine offered in the 2021 Aston Martin DBX.
The most listed brands for 2021 Aston Martin DBX engine parts are IDEMITSU (2 parts) and VARIOUS MFR (1 part).
Each part number listed for the 2021 Aston Martin DBX opens a page with every vehicle that part fits.
Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU | 30041116750 | 🇺🇸 US | Racing Engine Oil Full Synthetic 5W-401 Quart | View on Amazon |
| IDEMITSU | 30041116953 | 🇺🇸 US | Racing Engine Oil Full Synthetic 5W-405 Quart | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
IDEMITSU supplies both parts for the 2021 Aston Martin DBX.
Listed part numbers: IDEMITSU 30041116750 and IDEMITSU 30041116953.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG99221EX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Life | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
One part is listed for the 2021 Aston Martin DBX — VARIOUS MFR PG99221EX.
Buying Engine Parts for a 2021 Aston Martin DBX
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 4.0L V8 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 2021 Aston Martin DBX?
Our catalog currently lists 3 engine parts for the 2021 Aston Martin DBX across 2 subcategories and 2 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2021 Aston Martin DBX?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2021 Aston Martin DBX?
Oil rows on this page include SAE 5W-40. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Aston Martin DBX was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Aston Martin DBX?
Every part on this page is matched to the 4.0L V8 Turbocharged engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Aston Martin DBX
Engine Parts for Other Aston Martin DBX Years
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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.