28 Engine parts are listed for the 2018 Nissan NT400 Cabstar, in 12 part types, covering the 2.5L L4 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Nissan NT400 Cabstar, 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. Most of the listed parts are Cylinder Head Gasket (5 parts), Oil Drain Plug Gasket (3 parts) and Conversion / Lower Gasket Set (2 parts). The other 9 part types cover the remaining 18 parts.
Every part on this page is matched to the 2.5L L4 DIESEL Turbocharged — the only engine offered in the 2018 Nissan NT400 Cabstar.
Every engine part listed for the 2018 Nissan NT400 Cabstar comes from AJUSA.
Each part number listed for the 2018 Nissan NT400 Cabstar opens a page with every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54205000 | 🇲🇽 MX | Engine # YD25DDTI | View on Amazon |
| AJUSA | 54272600 | 🇲🇽 MX | Engine # YD25K3LD | 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.
2 Conversion / Lower Gasket Set parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
Part numbers include AJUSA 54205000 and AJUSA 54272600.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15060100 | 🇲🇽 MX | RearCounter Clockwise | View on Amazon |
| AJUSA | 15079100 | 🇲🇽 MX | FrontClockwise | 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 2018 Nissan NT400 Cabstar.
Listed part numbers: AJUSA 15060100 and AJUSA 15079100.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81031000 | 🇲🇽 MX | Engine # YD25K3LD | View on Amazon |
| AJUSA | 81031400 | 🇲🇽 MX | Engine # YD25DDTI | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
2 Cylinder Head Bolt parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
This group includes AJUSA 81031000 and AJUSA 81031400.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10160200 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10160210 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10160220 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10160230 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10160240 | 🇲🇽 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.
5 Cylinder Head Gasket parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
Part numbers include AJUSA 10160200, AJUSA 10160210 and AJUSA 10160220, among others listed above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 53050900 | 🇲🇽 MX | Does Not Include Cylinder Head Gasket | View on Amazon |
| AJUSA | 53110100 | 🇲🇽 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.
2 Cylinder Head Gasket Set parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
Part numbers include AJUSA 53050900 and AJUSA 53110100.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 51054500 | 🇲🇽 MX | Does Not Include Cylinder Head Gasket | View on Amazon |
| AJUSA | 51115100 | 🇲🇽 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.
2 Engine Kit Gasket Set parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
Listed part numbers: AJUSA 51054500 and AJUSA 51115100.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13220800 | 🇲🇽 MX | Engine # YD25K3LD | View on Amazon |
| AJUSA | 13258700 | 🇲🇽 MX | Engine # YD25DDTI | 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.
2 Intake Manifold Gasket parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
This group includes AJUSA 13220800 and AJUSA 13258700.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 01140600 | 🇲🇽 MX | Engine # YD25DDTIwith Original Equipment (OE) # 11026-BX000 | View on Amazon |
| AJUSA | 21011300 | 🇲🇽 MX | Engine # YD25K3LD | View on Amazon |
| AJUSA | 21011400 | 🇲🇽 MX | Engine # YD25DDTIwith Original Equipment (OE) # 01351-1204M | 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.
3 Oil Drain Plug Gasket parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
Part numbers include AJUSA 01140600, AJUSA 21011300 and AJUSA 21011400.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | JTC11623 | 🇲🇽 MX | Mounting Gasket Set | View on Amazon |
| AJUSA | JTC11870 | 🇲🇽 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.
2 Turbocharger Gasket parts for the 2018 Nissan NT400 Cabstar come from AJUSA.
This group includes AJUSA JTC11623 and AJUSA JTC11870.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | OP10412 | 🇲🇽 MX | Engine # YD25K3LDSupply Tube | View on Amazon |
| AJUSA | OP11095 | 🇲🇽 MX | Engine # YD25DDTISupply 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.
AJUSA supplies both parts for the 2018 Nissan NT400 Cabstar.
Listed part numbers: AJUSA OP10412 and AJUSA OP11095.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 11125500 | 🇲🇽 MX | Engine # YD25K3LD | View on Amazon |
| AJUSA | 11135900 | 🇲🇽 MX | Engine # YD25DDTI | 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.
AJUSA supplies both parts for the 2018 Nissan NT400 Cabstar.
Part numbers include AJUSA 11125500 and AJUSA 11135900.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 12012100 | 🇲🇽 MX | 5 X 9.7 X 11.5Engine # YD25DDTI,YD25K3LD | View on Amazon |
| AJUSA | 57024800 | 🇲🇽 MX | Engine # YD25DDTI,YD25K3LD | 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 2018 Nissan NT400 Cabstar.
Part numbers include AJUSA 12012100 and AJUSA 57024800.
Buying Engine Parts for a 2018 Nissan NT400 Cabstar
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 2.5L 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 Oil Drain Plug Gasket .
Frequently Asked Questions
How many engine parts fit the 2018 Nissan NT400 Cabstar?
Our catalog currently lists 28 engine parts for the 2018 Nissan NT400 Cabstar across 12 subcategories and 1 brand, covering the 2.5L L4 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2018 Nissan NT400 Cabstar?
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 2018 Nissan NT400 Cabstar 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 2018 Nissan NT400 Cabstar?
Every part on this page is matched to the 2.5L 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 2018 Nissan NT400 Cabstar
Engine Parts for Other Nissan NT400 Cabstar Years
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