19 Engine parts are listed for the 2021 Fiat Ducato, in 15 part types, covering the 2.3L L4 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Fiat Ducato, 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. 7 parts of the 19 listed are Cylinder Head Gasket (3 parts), Crankshaft Seal (2 parts) and Valve Stem Seal (2 parts). The other 12 part types cover the remaining 12 parts.
Every part on this page is matched to the 2.3L L4 DIESEL Turbocharged — the only engine offered in the 2021 Fiat Ducato.
The most listed brands for 2021 Fiat Ducato engine parts are AJUSA (18 parts) and QUALCAST (1 part).
Each part number listed for the 2021 Fiat Ducato opens a page with every vehicle that part fits.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15083300 | 🇲🇽 MX | 34 x 60 x 10Clockwise | 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.
One part is listed for the 2021 Fiat Ducato — AJUSA 15083300.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54239700 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | 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.
This group shows a single part: AJUSA 54239700.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15106300 | 🇲🇽 MX | FrontClockwise | View on Amazon |
| AJUSA | 15109200 | 🇲🇽 MX | Rear83 x 113 x 13 | 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.
AJUSA supplies both parts for the 2021 Fiat Ducato.
Part numbers include AJUSA 15106300 and AJUSA 15109200.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81033800 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
This group shows a single part: AJUSA 81033800.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10153500 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10153510 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10153520 | 🇲🇽 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.
3 Cylinder Head Gasket parts for the 2021 Fiat Ducato come from AJUSA.
Part numbers include AJUSA 10153500, AJUSA 10153510 and AJUSA 10153520.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 53107500 | 🇲🇽 MX | Does Not Include Cylinder Head Gasket | 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.
This group shows a single part: AJUSA 53107500.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 51112900 | 🇲🇽 MX | Does Not Include Cylinder Head Gasket | 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.
This group shows a single part: AJUSA 51112900.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13262500 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | 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.
This group shows a single part: AJUSA 13262500.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST | 1030838 | 🇲🇽 MX | 1.181 Head DIA. 0.235 Stem. 4.742 OAL | View on Amazon |
This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
One part is listed for the 2021 Fiat Ducato — QUALCAST 1030838.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 22010300 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. 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.
This group shows a single part: AJUSA 22010300.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 14090500 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | View on Amazon |
This table covers the gaskets between the oil pan and the block. 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 2021 Fiat Ducato — AJUSA 14090500.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | JTC12753 | 🇲🇽 MX | Mounting Gasket Set | View on Amazon |
This table covers the gaskets that seal the Turbocharger. 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.
This group shows a single part: AJUSA JTC12753.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | OP11356 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113Supply Tube | View on Amazon |
This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early.
One part is listed for the 2021 Fiat Ducato — AJUSA OP11356.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 11121300 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | 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.
One part is listed for the 2021 Fiat Ducato — AJUSA 11121300.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 12021900 | 🇲🇽 MX | 5 x 10.5 x 19Engine # F1AGL4112,F1AGL4113 | View on Amazon |
| AJUSA | 57042200 | 🇲🇽 MX | Engine # F1AGL4112,F1AGL4113 | 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.
AJUSA supplies both parts for the 2021 Fiat Ducato.
This group includes AJUSA 12021900 and AJUSA 57042200.
Buying Engine Parts for a 2021 Fiat Ducato
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 2.3L L4 DIESEL 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: Cylinder Head Gasket and Crankshaft Seal .
Frequently Asked Questions
How many engine parts fit the 2021 Fiat Ducato?
Our catalog currently lists 19 engine parts for the 2021 Fiat Ducato across 15 subcategories and 2 brands, covering the 2.3L L4 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2021 Fiat Ducato?
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 2021 Fiat Ducato 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 Fiat Ducato?
Every part on this page is matched to the 2.3L L4 DIESEL 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 Fiat Ducato
Engine Parts for Other Fiat Ducato Years
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