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.
Within the piston cooling system, the LR073684 valve works with the engine control system to open or restrict the oil passage according to operating requirements such as engine load, speed and temperature. When activated, pressurised oil is directed through the piston cooling circuit to help manage piston temperature and engine thermal conditions.
The LR073684 reference is associated with selected Jaguar Land Rover Ingenium applications, including vehicles within the Defender, Discovery Sport, Range Rover Evoque and Range Rover Velar ranges. Engine type, production year and market specification may vary, so application should be confirmed by OE reference, engine code and product specifications before ordering.
For automotive aftermarket distributors, importers, engine rebuilders and professional parts buyers, Wellgine supports LR073684 product matching through OE-reference checking, engine application review, connector and product-structure comparison, and quotation confirmation.
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 OE Reference and Application 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.
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.
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.


