LR073684 Piston Oil Cooling Solenoid Valve for Land Rover Ingenium
The LR073684 Piston Oil Cooling Solenoid Valve is an OE-reference engine oil-control component used in selected Jaguar Land Rover Ingenium engine applications. Installed in the engine block oil gallery, the valve regulates lubricating-oil flow to the piston cooling jets.
| Item | Details |
|---|---|
| Primary OE reference | LR073684 |
| Related reference | AJ813393 — confirm the application before ordering |
| Product type | Piston oil cooling solenoid valve |
| Engine family | Selected Jaguar Land Rover Ingenium AJ20 applications |
| Typical location | Engine-block oil-gallery area; exact position varies |
| Match with | OE number, engine code or VIN, connector, oil ports, mounting structure and original-part photos |
Technical Specifications
Vehicle ApplicationsIngenium AJ20P4 / AJ20D4 2.0T
| Specification | Details |
|---|---|
| Product Name | LR073684 Piston Oil Cooling Solenoid Valve |
| OE Part Numbers | LR073684, AJ813393 |
| Engine Platform | Ingenium AJ20P4 / AJ20D4 2.0T, AJ20P3 1.5T, AJ20P6 3.0T |
| Vehicle Applications | Jaguar Land Rover Ingenium applications including Defender, Discovery Sport, Range Rover Evoque and Velar |
| Application Function | Piston oil cooling control valve |
| System | Engine lubrication and thermal management |
| Matching Information | Confirm by OE reference and engine application |
| Warranty | 12 months or 12,000 miles from the date of Ex-factory |
| Packing | Neutral Packing or Customer Required |
| MOQ | 5 pcs |
| Place for Origin | Ningbo City of China |
| Brand | Wellgine |
LR073684 / AJ813393 Part Number and Fitment Confirmation
Before ordering LR073684 or the related reference AJ813393, buyers should confirm:
- OE reference
- Engine platform
- Vehicle application
- Connector design
- Valve-body and mounting structure
Matching should be based on confirmed application and product specifications rather than appearance alone.
Fitment Checks for Discovery Sport, Evoque, Velar and Defender
LR073684-related searches include Discovery Sport, Range Rover Evoque, Velar and Defender applications. However, the vehicle name alone does not confirm fitment because engine version, production year and market specification may differ.
Before ordering, confirm:
- LR073684 or AJ813393 reference
- AJ20 engine code and displacement
- Vehicle model and production year
- VIN, where available
- Connector and pin layout
- Valve-body and inserted-section dimensions
- Oil-port and seal position
- Mounting flange
- Original-part and installed-position photos
For the relationship between the oil pump, piston cooling solenoid and electric water pump, review the Ingenium AJ200 oil and cooling circuit guide.
OEM-Quality LR073684 Piston Oil Cooling Solenoid Valve Features
The LR073684 Piston Oil Cooling Solenoid Valve is designed for reliable oil flow regulation in modern Jaguar Land Rover engines. Key features include:
- Precision electromagnetic oil control
- High temperature resistant internal components
- Stable response to ECU signals
- Long service life under high engine load
These characteristics ensure that the LR073684 Piston Oil Cooling Solenoid Valve performs consistently in demanding engine conditions.
How the LR073684 Piston Oil Cooling Solenoid Valve Works
The LR073684 Piston Oil Cooling Solenoid Valve operates as part of the engine lubrication control system.
When engine load increases, the engine control unit activates the valve. The solenoid opens the oil passage inside the cylinder block and allows pressurized oil to flow toward the piston cooling jets.
This oil absorbs heat from the piston crown and transfers it back to the engine oil circulation system. By regulating this oil flow, the LR073684 Piston Oil Cooling Solenoid Valve prevents excessive piston temperature and helps maintain combustion efficiency.
Without proper piston cooling, engines may experience increased wear, piston distortion or reduced performance. The LR087668 oil pump supplies the lubrication circuit and should not be confused with the piston cooling solenoid or electric coolant pump. Their system relationships are explained in the Ingenium AJ200 oil and cooling circuit guide.
For a broader explanation of the system function, identification points and application checks, read our piston oil cooling solenoid guide.
LR073684 Location on Jaguar Land Rover Ingenium Engines
The LR073684 piston cooling solenoid is installed in the engine oil-gallery area on selected Jaguar Land Rover Ingenium engines. From this position, it controls oil flow to the piston cooling jets according to signals from the engine management system.
The exact installation position and access route may vary by engine version, vehicle model, production year and market specification. Buyers and technicians should therefore confirm the engine code, OE reference and vehicle application before ordering or replacing the valve.
Location alone is not sufficient for part identification. Compare the LR073684 or AJ813393 reference, electrical connector, valve-body shape, mounting point and oil-port arrangement with the original component. For B2B fitment confirmation, provide the VIN or engine code together with clear photos of the original valve and its installed position.
LR073684 Piston Cooling Solenoid Failure Symptoms
A defective LR073684 Piston Oil Cooling Solenoid Valve may lead to several issues:
- Engine overheating under heavy load
- Oil pressure irregularities
- Engine warning lights related to oil control
- Reduced lubrication efficiency
- Increased piston wear
Timely replacement of the LR073684 Piston Oil Cooling Solenoid Valve helps prevent severe engine damage and maintains stable engine performance.
When to Replace the LR073684 Piston Cooling Solenoid
Under normal conditions, the LR073684 Piston Oil Cooling Solenoid Valve can operate for many years without failure. However, replacement may be necessary if:
- the valve becomes stuck due to contamination
- internal seals fail
- oil leakage occurs
- electrical failure prevents proper operation
Routine engine maintenance and oil system inspection can help extend the service life of this component.
Manufacturing and Supply Support
Wellgine supplies LR073684 piston oil cooling solenoid valves for automotive aftermarket buyers. Support includes:
- OE-reference checking
- Product specification confirmation
- Quality inspection support
- Batch supply support
- Technical communication
Products are manufactured according to applicable OEM drawings with controlled production processes, inspection procedures and end-of-line testing requirements.
FAQ
1. What does the LR073684 piston oil cooling valve do?
The valve regulates engine oil flow to piston cooling channels inside the engine block, helping control piston temperature and protect the engine from overheating.
2. Which engines use the LR073684 piston oil cooling valve?
It is commonly used in Jaguar Land Rover Ingenium engines including AJ20P3, AJ20P4, AJ20D4 and AJ20P6.
3. Can a faulty piston cooling valve damage the engine?
Yes. Insufficient piston cooling can lead to excessive heat buildup, which may accelerate piston wear and reduce engine reliability.
4. Is LR073684 an OE-reference replacement part?
LR073684 is an OE reference used for Jaguar Land Rover applications. Buyers should confirm application, engine platform and technical specifications before ordering.
5. Does P25A9-00 or P25AB-12 confirm that LR073684 has failed?
No. A diagnostic trouble code does not confirm the replacement part by itself. Code definitions and diagnostic procedures may vary by model, engine and market. Check the applicable Jaguar Land Rover diagnostic information, wiring, connector, oil circuit and component response before selecting LR073684.