Billet Thermostat Outlet Housing for Nissan RB EnginesThis billet aluminium thermostat housing replacement has been designed by Franklin Performance to replace the factory housing on all Nissan RB engines. Whether fitting an aftermarket radiator or electric water pump & requiring AN fittings, or simply a replacement for the often badly corroded factory item this part by Franklin Performance will be sure to add a touch of class to your engine bay. The billet thermostat housing is available in black

Please choose the adaptor you require from the menu

The external oil feed is intended to be sourced from a sandwich plate or tee'd into the oil pressure sender port on the block

2 L Capacity with Internal Baffles: Prevents oil surge and improves breathing efficiency

ensuring a secure and leak-free connection

1/4"NPT to 10AN Banjo (Installed height: 28

ensuring efficient oil flow

Machined from high-strength steel and finished in black oxide

Sold individually

plug-and-play ignition upgrade for serious rotary builds — Vinny Fab reliability

5A fused supply

preventing oil pooling and turbocharger damage

Direct replacement for the weak factory die-cast part