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GENUINE MAZDA OEM Fuel Pump for Mazda RX8 (Series 1, 2003-2008)

Restore consistent fuel delivery with a brand-new genuine Mazda fuel pump. Ends hard starting, hesitation and pump whine on Series 1 models.

$450 inc GST

The RX8 Series 1 fuel pump is a brand-new genuine Mazda replacement designed to restore factory fuel pressure and delivery to 2003-2008 models. An ageing pump is a common cause of hard starting, mid-range hesitation and an audible whine at idle. Fitting a new genuine unit removes that uncertainty entirely. The Renesis engine gets exactly the pressure and flow it expects from the first turn of the key.

RX8 Series 1 Fuel Pump Key Features

  • Factory-correct fitment means the pump seats and connects exactly as the original, with no adaptation or modification required.
  • Engineered to Mazda’s fuel-delivery specification, so pressure and flow match what the Renesis engine expects across the full rev range.
  • Covers the complete Series 1 production run from 2003 to 2008, making this a single solution for every RX8 fuel pump replacement in that generation.
  • As a new genuine component, it delivers known-condition reliability. Any doubt about previous service history or internal wear, the kind a second-hand unit carries, is eliminated.
  • Finally, a genuine OEM part carries documented new-part quality, something a used replacement simply cannot offer.

For RX8 enthusiasts, a fresh OEM fuel pump pays off every time the engine fires cleanly. Consistent fuel pressure is critical to the Renesis at cold start. That is when the rotary relies on precise delivery before oil temperature builds.

A new pump also gives you a clean baseline when diagnosing rough-running or any broader fuel-system concern.

Pair this RX8 Series 1 fuel pump with a GENUINE MAZDA OEM MAF Sensor for a thorough fuel-system refresh. Both parts work together to restore accurate metering and delivery. The GREDDY TRUST Oil Filter is a logical companion as part of a broader reliability service. If you are running a Series 2 model instead, the GENUINE MAZDA OEM Fuel Pump is the correct unit for that generation. For authoritative information on Mazda genuine parts, visit Mazda Australia’s genuine parts page.

Additional information

SKU OM-FP-S1 Categories , Types , Brand:

Related RX8 Upgrades

This GENUINE MAZDA OEM Fuel Pump for Mazda RX8 (Series 1, 2003-2008) is one of the best Mazda RX-8 upgrades you can make to your Series 1 (2003-2008). GENUINE MAZDA OEM Fuel Pump for Mazda RX8 (Series 1, 2003-2008) are among the top OEM mods you can buy from GENUINE MAZDA OEM for owners who want better performance and reliability from their RX8. If you are looking for GENUINE MAZDA OEM Fuel Pump for Mazda RX8 (Series 1, 2003-2008) for sale in Brisbane (QLD), Sydney (NSW), Melbourne (VIC), Canberra (ACT), Adelaide (SA), Darwin (NT) or Perth (WA), you’ll find high-quality Japanese Fuel System upgrades at RX8 Upgrades.

Frequently Asked Questions

Which RX8 does this fuel pump fit?

This genuine Mazda fuel pump is designed for RX8 Series 1 models produced from 2003 to 2008. It covers the complete Series 1 production run, so it suits every variant from that generation. If you own a Series 2 RX8, a separate genuine Mazda fuel pump is listed specifically for that model.

Is this a genuine Mazda part or an aftermarket replacement?

This is a brand-new genuine Mazda OEM fuel pump, not an aftermarket substitute. It is manufactured to Mazda's own specifications, so fuel pressure and flow match exactly what the Renesis engine expects, with no adaptation or calibration required.

What symptoms suggest the fuel pump on my RX8 needs replacing?

Common signs of a failing RX8 Series 1 fuel pump include difficulty starting, especially when cold, hesitation or stumbling through the mid-range, and an audible whine from the fuel tank at idle. Any one of these points toward a pump that is no longer maintaining the correct pressure.

Why choose a new OEM pump over a used one?

A used fuel pump carries an unknown service history and unknown internal wear. A new genuine Mazda unit delivers documented new-part condition, so you know exactly what you are fitting. It removes all doubt about reliability and gives you a clean baseline if you are diagnosing broader fuel-system concerns.

Will it fit without any modification?

Yes. Factory-correct fitment means the pump seats and connects exactly as the original Series 1 unit, with no cutting, adapting or wiring changes required.

Why does fuel pressure matter so much to the Renesis rotary engine?

The Renesis relies on precise fuel delivery from the very first cold start, before oil temperature has built up and before the engine is fully primed. Any drop in pump pressure at that moment can cause hard starting or rough running. Consistent delivery across the full rev range is equally important as the rotary climbs to its operating ceiling.

What else should I replace at the same time for a thorough fuel-system refresh?

Pairing this pump with a genuine Mazda OEM MAF sensor is a logical combination - the pump restores correct delivery while the MAF sensor ensures accurate air-flow metering, so both sides of the fuel equation are sorted in one service. A fresh oil filter is also a sensible addition to a broader reliability service at the same interval.