OEM-grade Cylinder Liner for Nissan SD25 2.5D Engine with Plateau Honed Surface and Centrifugal Casting
| Bore (Semi-Finished): | 88.0 Mm | Surface Finish: | Plateau Honed |
| Bore (Finished): | 89.0 Mm | Collar Diameter: | 98.0 Mm |
| Outer Diameter: | 92.0 Mm | Total Length: | 172 Mm |
| Material: | Alloy Cast Iron | Liner Type: | Dry Cylinder Sleeve |
| High Light: | OEM-grade Nissan SD25 cylinder liner,Nissan 2.5D engine cylinder liner,Centrifugal casting cylinder liner Nissan |
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The Cylinder Liner with OEM reference number 11012-L2002 is a verified direct-fit replacement for the Nissan SD25 2.5L four-cylinder diesel engine. This dry cylinder sleeve is a critical component of the engine block, providing a durable, wear-resistant surface for the piston rings to seal against, ensuring optimal compression and engine performance.
The SD25 engine is a naturally-aspirated, indirect-injection diesel unit producing approximately 54kW (72hp) at 4,000rpm and peak torque of 160 Nm (118 lb-ft) at 2,000rpm. This engine is widely used across various applications, including the Nissan Atlas / Condor light trucks, large forklifts, marine applications, small generators, as well as International Scout offerings (1976-1979) and Jeep CJ-10 / CJ-10a flightline tow vehicles (1985-1986).
A worn or damaged cylinder liner can lead to loss of compression, excessive oil consumption, blow-by, and reduced engine performance. This OE-spec replacement liner restores factory cylinder bore dimensions and ensures proper piston ring sealing, extending the service life of your SD25 engine.
Manufactured from high-grade alloy cast iron, this dry cylinder liner features a stiffened nitride layer on the inner surface where sliding friction occurs, providing improved wear resistance and anti-galling properties. The liner is centrifugally cast for better hardness and cohesive strength, and is plateau honed to optimize the surface finish for piston ring seating and oil retention.
This cylinder liner is a dry type sleeve, meaning it is pressed into the engine block without direct coolant contact, and is available as a semi-finished component requiring final machining and honing after installation.
| Part Number: | 11012-L2002 | Product Name: | Cylinder Liner |
|---|---|---|---|
| Car Model: | Nissan Atlas / Condor / Forklift | Engine Model: | Nissan SD25 2.5D |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | Package: | Neutral Packing Or Make It As Requested |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Primary Applications (Nissan SD25 / SD23 Engine):
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| Nissan | Atlas | EF22 | SD25 | 02.1982 - 11.1986 |
| Nissan | Atlas / Condor | EH40 | SD25 | 12.1981 - 11.1986 |
Additional Applications:
| Application Type | Details |
|---|---|
| Forklifts | Nissan EH01, EH02, K01 |
| Marine | SD25 marine diesel engines |
| Generators | Small generator sets |
| Light Trucks | UD 3400 series |
| Off-Road Vehicles | International Scout (1976-1979) |
Common Failure Symptoms:
- Loss of compression — hard starting, reduced power, poor fuel economy
- Excessive oil consumption — blue smoke from exhaust, frequent oil top-ups
- Blow-by — excessive crankcase pressure, oil leaks from breathers
- Scoring or wear — visible damage to the cylinder wall surface
- Piston seizure — from overheating or inadequate lubrication
- Complete engine failure
- Damaged pistons and piston rings
- Cracked engine block
- Expensive engine replacement
Liner Type: This is a dry cylinder sleeve. It is pressed into the engine block and does not contact engine coolant directly. The liner is supplied as a semi-finished component.
Installation Guidelines (Reference Nissan workshop manual for complete steps):
- Safety first — ensure the engine block is clean and free of debris
- Remove the old cylinder liner using appropriate extraction tools
- Thoroughly clean the liner bore in the engine block — remove all old gasket material, debris, and corrosion
- Measure the block bore to ensure proper interference fit for the new liner
- Inspect the engine block for cracks or damage
- Press the new liner into the block using a hydraulic press and appropriate tooling — ensure proper depth and orientation
- Machine and hone the liner to the finished bore size of 89.0mm — this is a critical step that must be performed by a professional machine shop
- Plateau hone the finished bore to achieve the correct surface finish for piston ring seating
- Clean the finished bore thoroughly before engine assembly
- Install new pistons and rings following manufacturer specifications
Pro Tips:
- Always have the cylinder head and block checked for flatness during an engine rebuild
- Use only high-quality engine oil and filters to protect the new cylinder liners
- Follow the manufacturer's break-in procedure for new cylinder liners and piston rings
- This liner is also available as part of a full liner kit including pistons and piston rings
- Individually sealed in protective packaging
- Packed in carton or wooden box
- Export-worthy packaging
- Bulk wholesale available in master cartons
- Supply capacity: High volume available
- Suitable for: Nissan specialist repair shops, engine rebuilders, forklift service centers, marine and generator maintenance depots, auto parts distributors
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