YD25 Engine Long Block

2.5 L diesel engine for Nissan and Infiniti

A remanufactured replacement long block, shipped worldwide by NANXI POWER from Zhengzhou, China.

Inline-four, common rail direct injection
2.5 L
4000 kW
2000 N·m
Condition
Remanufactured
Warranty
6 months
Minimum order
1 unit
Lead time
7–30 days

Fits Nissan Navara (D22, D40), Nissan Pathfinder (R51), Nissan Frontier and Nissan Murano, 1998–2015

Request a quoteWhatsApp

Or email info@nanxipower.com

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Engine assembly line at NANXI POWER
Engine assembly at NANXI POWER, Zhengzhou

What is the YD25 engine?

The YD25 is a 2.5 L diesel engine used by Nissan and Infiniti: a turbocharged inline-four with common rail direct injection, a timing chain and a cast iron block.

NANXI POWER supplies it as a remanufactured long block — the core engine you install with your existing intake, fuel and electrical parts.

Compression ratio
17.5:1
Bore × stroke
89.0 × 100.0 mm
Timing drive
Timing chain
Emission standard
Euro 4 / Euro 5

Technical specifications

Engine

Engine code
YD25
Brand
Nissan and Infiniti
Displacement
2.5 L
Layout
Inline 4 Cylinder
Drive
Rear-wheel Drive, Front-engine Four-wheel Drive
Max power
4000 kW
Max torque
2000 N·m
Bore × stroke
89.0 × 100.0 mm
Compression ratio
17.5:1

Build and supply

Fuel
Diesel
Fuel system
Common Rail Direct Injection
Aspiration
Single turbocharger with intercooler
Timing
Timing Chain System
Cylinder block
Cast Iron Cylinder Block
Cylinder head
Aluminum
Cooling
Water-Cooled
Emission standard
Euro 4 / Euro 5
Production years
1998–2015
Condition
Remanufactured
Supply form
Engine long block
Packing
Non-fumigation wooden box

Which vehicles use the YD25?

The YD25 was fitted to these vehicles (1998–2015). Versions differ by market, so we check every order against your VIN before it ships.

  • NissanNavara (D22
  • NissanD40)
  • NissanPathfinder (R51)
  • NissanFrontier
  • NissanMurano

Confirm the fit in three steps

  1. Check the engine codeFind "YD25" stamped on the cylinder block or shown on the engine label.
  2. Send your VINThe 17-digit VIN tells us the model year and market version of your vehicle.
  3. Add a few photosPhotos of the old engine's front, intake side and oil pan help us match mounts and connectors.
Identification guide. The VIN and OE numbers shown are examples, not this engine's codes.

What's included in the long block

Included

  • Cylinder block
  • Crankshaft
  • Pistons
  • Connecting rods
  • Cylinder head
  • Valve train
  • Timing system
  • Valve cover
  • Oil pan

Available on request

  • Intake and exhaust manifolds
  • Fuel injection pump and injectors
  • Turbocharger and intercooler pipes
  • Glow plugs and sensors
  • Alternator, starter and A/C compressor
  • Gasket and installation kit

Need more than a long block? List the parts in your inquiry and we will quote them together.

Tested before it ships

6 month warranty

Every YD25 is fully inspected before shipment and covered by a 6-month warranty written into your order. Before your engine leaves, you can ask for photos of:

  • The YD25 engine code on the block
  • Cylinder head and timing cover
  • Oil pan and gearbox interface
  • Final packing in the wooden case
Engines inspected before shipment
100%
Engineering drawings
288+
Key fit clearances checked
155+
Process standards
637+

Packed for export, shipped worldwide

Each long block is sealed, fixed to a pallet and packed in a non-fumigation wooden case, so it clears customs without extra treatment. NANXI POWER branded or neutral packing is available.

Lead time
7–30 days
Minimum order
1 unit
Freight
Sea, air or land
Trade terms
EXW, FOB, CIF, DDP
Documents
Invoice and packing list

Common questions

Which vehicles use the YD25 engine?

The YD25 is used in the Nissan Navara (D22, D40), Nissan Pathfinder (R51), Nissan Frontier and Nissan Murano, produced 1998 to 2015. Versions differ by market, so send your VIN and we will check the exact version for your vehicle.

What are the main specifications of the YD25?

2.5 L diesel, inline-four, 4000 kW, 2000 N·m, timing chain, common rail direct injection.

Is the YD25 long block brand new or remanufactured?

It is a remanufactured long block. Every engine is inspected before shipment, and you can ask for photos before it leaves.

Is this YD25 a complete engine or a long block?

It is a long block: the assembled cylinder block and cylinder head with the crankshaft, pistons, connecting rods, valve train and timing system. Intake, fuel-system and electrical parts can be added to your quotation.

What warranty comes with the YD25 long block?

6 months. Coverage and conditions are written into your order.

Do I need to replace the timing chain when installing?

No. The long block is supplied with its timing chain already fitted. Fit new gaskets and check the cooling and fuel connections when you install it.

Can I order one engine, and how long does delivery take?

Yes, the minimum order is one unit. Orders usually ship within 7 to 30 days depending on quantity.

Which trade terms do you offer?

EXW, FOB, CIF and DDP. Tell us your destination port or address and we will quote the terms that suit your order.

About NANXI POWER

Zhengzhou Nanxi Engine Co., Ltd. has been in the engine business since 1998, supplying brand-new and remanufactured engines and long blocks to buyers in Russia, Central Asia, Africa, the Middle East, Europe and the Americas.

In the engine business since
1998
Engines supplied each year
50,000+

About usQuality and warrantyContact

Get a quote for the YD25

Tell us the quantity and destination. Add your VIN if you would like us to confirm the fit.

Prefer to talk directly? WhatsApp +86 138 3718 4958 info@nanxipower.com

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