Land Rover Discovery L494 Engine Oil Pump Inlet Tube 3.0 SDV6 9H2Q-6615-BA

Land Rover Discovery L494 Engine Oil Pump Inlet Tube 3.0 SDV6 is a specialized lubrication system component designed for 3.0 SDV6 diesel engines in Range Rover and Land Rover Discovery vehicles. It is responsible for the stable intake of oil from the oil pan, which is crucial for engine durability and safe operation under a wide range of loads. Choosing an original component from the Oil coolers and lines category allows you to maintain factory flow parameters and reliability.

Specifications and technical data

• SKU: LR013527
• Mark: Range Rover
• Condition: Used
• OEM Part Number: 9H2Q-6615-BA
• Substitutable numbers: LR013527, 9H2Q-6615-BA, 9H2Q6615BA
• Part type: Oil Cooler Line
• Category: Engine Oil Coolers & Lines

Function and role of the oil pump inlet tube in the 3.0 SDV6 engine

The oil pump inlet tube in the 3.0 SDV6 engine is responsible for drawing oil from the bottom of the oil pan and delivering it to the oil pump, and subsequently to the lubrication channels. A correctly selected component ensures:

• stable oil pressure across the entire RPM range,
• proper flow of the lubricating medium during cold starts and at high operating temperatures,
• protection against the intake of contaminants thanks to a properly designed filtering part. In SDV6 engines, which often operate under heavy loads, a functional oil pump inlet tube has a direct impact on the service life of bearings, turbochargers, and the entire crank-piston system; therefore, its technical condition should not be underestimated.

Compatibility with Range Rover and Land Rover Discovery L494

The presented oil pump inlet tube has been designed for use in Range Rover and Land Rover Discovery L494 generation vehicles with the 3.0 SDV6 engine. This means factory-perfect fitment for:

• the geometry of the oil pan used in this power unit,
• the mounting system on the engine block and accessories,
• the flow parameters required by the oil pump in this configuration. As a result, installation is predictable, without the need for modifications or the use of non-factory solutions, and the lubrication system maintains the characteristics intended by the manufacturer.

Connection to the Oil coolers and lines category

The oil pump inlet tube operates in the same circuit as components from the Oil coolers and lines group, which are responsible for maintaining the proper temperature and circulation of the oil. In practice, this means that its condition affects:

• oil cooling efficiency under high engine load,
• even supply to the oil cooler and oil lines,
• reduction of the risk of pressure drops throughout the lubrication system. When planning maintenance of the lubrication system, it is worth considering a comprehensive verification of the oil pump inlet tube, oil cooler, and lines to avoid costly failures resulting from insufficient lubrication or overheating of the power unit.

Used condition and benefits of choosing OE parts

The offered oil pump inlet tube is in used condition, sourced from the dismantling of a Range Rover vehicle. This type of OE component retains its factory geometry, material quality, and fitment for the specific engine, which in practice translates into:

• secure fitment with the original oil pan and accessories,
• compliance with factory operating parameters of the lubrication system,
• more predictable behavior than many aftermarket replacements of unknown origin. For users who value a reasonable compromise between repair costs and quality, a used OE component is often a technically sound choice, especially in high-performance diesel engines.

Operation, diagnostics, and technical knowledge

When replacing the oil pump inlet tube, it is recommended to simultaneously check the condition of the oil, the oil pan, and the components responsible for cooling and circulating the lubricating medium. Proper system diagnostics help reduce the risk of engine overheating and seizure. If you want to deepen your knowledge about the impact of the cooling system and oil circuit on the durability of the power unit, it is worth reading the article Engine cooling system – overheating, repair, and used radiators, which discusses practical aspects of operation and repair. If you are planning a comprehensive repair or upgrade of the engine area in your Range Rover and need other components from the same group, such as oil coolers, oil lines, or additional lubrication system parts, check the available parts in the Range Rover Oil coolers and lines category.