The oil pump applicator for the Discovery 4 L319 is a precision tool or delivery component used during the installation or priming of the engine oil pump, ensuring correct oil distribution to critical lubrication pathways on initial startup. On the L319 platform, inadequate oil priming during assembly or pump replacement can result in accelerated wear to crankshaft bearings, camshaft journals, and timing components. Using the correct applicator ensures oil reaches sealing surfaces and internal galleries before the engine is first cranked. Key Features Designed specifically for oil pump installation procedures on the Discovery 4 L319 platform Ensures consistent oil application to pump internals and mating surfaces during assembly Matches OEM specification reference LR013487AP for accurate fitment and procedure compliance Typically used alongside oil pump replacement - inspect the oil pressure relief valve and pickup tube strainer at the same service interval Vehicle Fitment This part is compatible with the Land Rover Discovery 4 (L319 chassis). Not sure about fitment? Feel free to get in touch at [email protected]