Infiniti G35 / 350Z 5-Speed Automatic Transmission | RE5R05A | 2003-2008 VQ35DE RWD | OEM Replacement | Smooth & Reliable

This is the genuine Nissan/Infiniti RE5R05A 5-speed automatic transmission used in every RWD 2003-2008 350Z and 2003-2007 G35 Coupe/Sedan, and it’s the same Jatco-built 5AT that Nissan put in the Titan, Armada, and FX35 because it’s overbuilt for the VQ35DE and known for smooth, reliable shifts with minimal drama, and the RE5R05A uses full electronic control with a standalone TCM that handles line pressure, shift timing, and lockup based on throttle, load, and speed, so you get consistent shifts whether you’re daily driving in Abuja traffic or doing highway pulls, and the gear ratios are 3.842 1st, 2.353 2nd, 1.529 3rd, 1.000 4th, and 0.839 5th with a 3.3 final drive in most Z33/V35 applications, which gives strong off-the-line torque and relaxed cruising at 120km/h under 2500rpm, and the torque converter has a lockup clutch in 4th and 5th for better fuel economy and lower trans temps, and the valve body uses 7 solenoids to control each clutch pack and brake band, so shifts are buttery when stock and can be firmed up with a valve body mod or TCM tune if you want quicker response, and the 5AT is popular because it handles bolt-on VQ35DE power and mild boost without issues, with most stock units living happily at 350-400whp if you keep fluid temps down and service it on time, and the case is aluminum with an integrated bellhousing for the VQ35DE, so it bolts directly to any 2003-2006 350Z, 2007 350Z HR AT, or 2003-2007 G35 with no adapters, and it uses the standard Nissan 6-bolt flexplate and factory cooler lines, and the output is a 31-spline slip yoke that matches the OEM driveshaft, and the harness plugs right into the Z33/V35 body harness and TCM, so it’s the direct replacement if your 5AT is slipping, flaring between gears, stuck in limp mode, or has over 200k km, and you want to restore smooth OEM drivability without swapping to manual, and these transmissions are also used for VQ35DE swaps into other chassis because the RE5R05A is compact, strong, and doesn’t need a separate controller when you run the stock ECU/TCM, and with a trans cooler, fresh Nissan Matic S fluid, and an external filter, they’re known to go 300k+ km with just solenoid and valve body service, and if your goal is comfort, reliability, and consistent performance for a daily-driven G35 or 350Z, the RE5R05A 5AT gives you factory shift logic, manual mode via the shifter, and the durability that made it one of Jatco’s best automatics for the VQ platform.