24 Engine parts are listed for the 2001 Peugeot 406, in 12 part types, covering the 2.0L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The engine on the 2001 Peugeot 406 covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Oil Filter (6 parts), Crankshaft Seal (5 parts) and Valve Stem Seal (3 parts). The other 9 part types cover the remaining 10 parts.
The 2001 Peugeot 406 came with a single engine, the 2.0L L4, and every part is verified against it.
9 brands supply engine parts for the 2001 Peugeot 406, led by AJUSA (14 parts), ELRING (2 parts) and VICTOR REINZ (2 parts), plus 6 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2001 Peugeot 406. 2 parts have it, including PRO-TEC PXL51381 (Oil Filter) and WIX 51381 (Oil Filter). Each part number opens a page with every vehicle that part fits.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15014700 | 🇲🇽 MX | 36 x 50 x 7Clockwise | View on Amazon |
This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: AJUSA 15014700.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54116900 | 🇲🇽 MX | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2001 Peugeot 406 — AJUSA 54116900.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15044900 | 🇲🇽 MX | Rear90 x 110 x 7 | View on Amazon |
| AJUSA | 15063900 | 🇲🇽 MX | FrontClockwise | View on Amazon |
| ELRING | 148230 | 🇲🇽 MX | Front | View on Amazon |
| ELRING | 509930 | 🇲🇽 MX | Transmission Side | View on Amazon |
| VICTOR REINZ | 812592610 | 🇲🇽 MX | Front | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
5 Crankshaft Seal parts for the 2001 Peugeot 406 come from 3 brands — AJUSA, ELRING and VICTOR REINZ.
Listed part numbers: AJUSA 15044900, AJUSA 15063900 and ELRING 148230, plus the other parts above.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81029300 | 🇲🇽 MX | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
One part is listed for the 2001 Peugeot 406 — AJUSA 81029300.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10136900 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2001 Peugeot 406 — AJUSA 10136900.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52196200 | 🇲🇽 MX | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2001 Peugeot 406 — AJUSA 52196200.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50212100 | 🇲🇽 MX | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2001 Peugeot 406 — AJUSA 50212100.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13167400 | 🇲🇽 MX | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2001 Peugeot 406 — AJUSA 13167400.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRO-TEC Popular | PXL51381 | 🇲🇽 MX | View on Amazon | |
| CHAMP / LUBER-FINER | PH2903 | 🇲🇽 MX | Anti-Drain Back Valve: YES | View on Amazon |
| PUROLATOR | L17662 | 🇲🇽 MX | Outer Diameter Bottom: 2.98 InStyle: Spin-On Lube Filter | View on Amazon |
| VARIOUS MFR | PG193 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular | 51381 | 🇲🇽 MX | Bypass Relief Valve Setting: 13-19 PSIMedia Material: Enhanced Cellulose | View on Amazon |
| ACDELCO | PF57 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentGasket Inner Diameter (mm): 60.7mm | 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.
6 Oil Filter parts for the 2001 Peugeot 406 come from 6 brands — PRO-TEC, CHAMP / LUBER-FINER, PUROLATOR and 3 other brands. The "Popular" part is PRO-TEC PXL51381.
The Economy section lists 4 options from PRO-TEC, CHAMP / LUBER-FINER, PUROLATOR and 1 other brand — the catalog's value-priced group. PRO-TEC PXL51381 is listed in this group.
In the Standard Replacement grade, WIX and ACDELCO supply 2 parts: built to original-equipment specification. A representative part number is WIX 51381.
Part numbers include PRO-TEC PXL51381, CHAMP / LUBER-FINER PH2903 and PUROLATOR L17662, among others listed above.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 11086600 | 🇲🇽 MX | Intake | View on Amazon |
| AJUSA | 11086700 | 🇲🇽 MX | Exhaust | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Valve Cover Gasket parts for the 2001 Peugeot 406 come from AJUSA.
This group includes AJUSA 11086600 and AJUSA 11086700.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 85005800 | 🇲🇽 MX | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
This group shows a single part: AJUSA 85005800.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 12014800 | 🇲🇽 MX | 5.5 x 9.7 x 17 | View on Amazon |
| AJUSA | 57030900 | 🇲🇽 MX | View on Amazon | |
| VICTOR REINZ | 123130607 | 🇲🇽 MX | Set | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Valve Stem Seal parts for the 2001 Peugeot 406 come from 2 brands — AJUSA and VICTOR REINZ.
This group includes AJUSA 12014800, AJUSA 57030900 and VICTOR REINZ 123130607.
Buying Engine Parts for a 2001 Peugeot 406
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 2.0L L4 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 Filter and Crankshaft Seal .
Frequently Asked Questions
How many engine parts fit the 2001 Peugeot 406?
Our catalog currently lists 24 engine parts for the 2001 Peugeot 406 across 12 subcategories and 9 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2001 Peugeot 406?
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 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 2001 Peugeot 406 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 2001 Peugeot 406?
Every part on this page is matched to the 2.0L L4 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 2001 Peugeot 406
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