HPD Transmission Cooler Kit — Suitable for Nissan Patrol GU (ZD30, 300×300 core)

HPD's oil-to-air transmission cooler kit for the Nissan Patrol GU ZD30 (CRD/DI) keeps automatic transmission oil within safe operating temperatures under heavy towing loads. Its bar-and-plate 300×300×50mm core is built to hold cool, stable oil temperatures in extreme conditions, reducing strain on the transmission and lowering engine coolant temperatures.

The complete kit includes the cooler, laser-cut stainless steel mounting brackets, a CNC-machined billet adaptor plate, hose-tail fittings, 10mm oil hose, support clamps, insulation, fasteners and installation instructions. Benefits include stable temperatures, prolonged transmission oil life, reduced stress on the transmission and improved fuel economy. Fitting by a qualified mechanic is recommended, and the kit is backed by a 1 year warranty.