OEM Radiator Sub-Tank Revision C for Mazda RX8 (Series 1 & 2, 2003-2012)

Radiator sub-tank revision C provides improved cooling efficiency and durability. Ensures stable engine temperature management and long-lasting reliability during daily and spirited driving.

$250

This OEM Revision C radiator sub-tank improves cooling reliability for your RX8.

  • Latest Revision C design for improved durability.
  • Replaces older tanks prone to cracking or leaking.
  • Maintains proper coolant levels under all conditions.
  • Direct fitment for Series 1 & 2 RX8 models.
  • Genuine Mazda Japan OEM part.

You’ll love the confidence and reliability this upgrade brings to your cooling system.

Additional information

RX8 Model

,

Colour

SKU OM-RTC-S1S2 Category Type Brand:

Related RX8 Upgrades

Adds a secondary oil cooler on the right-hand side to improve thermal management. Reduces oil temperatures under load, protecting rotary reliability during spirited or track driving.

$750

Genuine Japanese quality starter motor surpasses OEM Series 2 output. Provides strong cranking power, high rotational energy, and long-lasting reliability from trusted ARD manufacturing.

$390

We’ve put together what we think is the best value (band-for-buck) cold-air intake system for the RX8. It combines a KTS induction suction tube, ODULA big racing funnel & ram air intake with a GReddy Sports air filter.

Price range: $90 through $390 inc GST

High-output 150A alternator in red finish delivers more power than OEM 90A. Enhances idle stability, improves low-mid torque, ensures cleaner spark, smoother starts, and reliable combustion.

$780

High-output 150A alternator in blue finish delivers more power than OEM 90A. Improves idle stability, boosts low-mid torque, cleaner spark, smoother starts, and efficient combustion.

$780