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Transmissions & Gearboxes

BYD Reducer Gearboxes & e-Axle Components

Your BYD EV’s reducer gearbox (e-axle) is a critical component of its electric drivetrain, responsible for transferring power from the drive motor to the wheels efficiently and silently. Whether you need a complete reducer unit, a differential, or specific internal components, we supply high-quality used, genuine, and professionally reconditioned BYD reducer gearboxes.
1800 595 454

What We Offer

Complete BYD Reducer & Drivetrain Solutions

We provide a wide range of BYD reducer gearbox parts and complete units to suit every EV model. Our inventory for BYD electric vehicles includes:

  • Full replacement units for the Atto 3, Dolphin, Seal, and e6.
  • Internal differential components for torque distribution.
  • Precision gears that reduce motor speed to wheel speed.
  • High-quality replacement bearings and seals for reducer servicing.
  • Output shafts connecting the reducer to the wheels.
  • Secure mounting components for the reducer unit.
1800 595 454
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byd auto parts two

How We Help You

Stress-Free Reducer Gearbox Sourcing

We know that finding the right EV drivetrain component can be technically challenging with different motor variants (e.g., 150kW vs. 200kW models) and model year changes for BYD EVs. That’s why we make it simple:

  • Expert Guidance
  • Safe & Fast Australia-Wide Delivery
  • Affordable Options
  • Clear Warranty
1800 595 454

Why Choose Us

Just BYD Parts for EV Reducer Gearboxes

Customers trust us for BYD drivetrain components because we focus on reliability, fitment accuracy for EVs, and honest advice. Here’s what sets us apart:

  • Sourced from Trusted Suppliers & Wreckers
  • Pre-Delivery Testing
  • VIN Fitment Guarantee
  • Support for DIYers & Workshops
  • No Substandard Parts
1800 595 454
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Fast, Reliable, Precise

The Just BYD Parts Difference

Fast Delivery

Same-day dispatch on orders before 2PM. Palletised delivery to metro & regional Australia within 1–5 days.

Genuine Fitment

Every reducer gearbox is verified by VIN or OEM part number. No guesswork. No “close enough” fits.

Expert Support

Real BYD EV specialists answer your calls – not chatbots. Ask about compatibility, common reducer issues, installation, or warranty.

Audi Transmissions & Gearboxes

Frequently Asked Questions

How do I know which reducer gearbox fits my BYD EV?
Provide your VIN (17-character) or the OEM part number from your existing unit (usually on a metal tag on the reducer housing). We match exactly – including gear ratio (specific to motor variant), flange size, and electronic compatibility (for speed sensors).

We supply units for all major BYD EVs sold in Australia:

  • Atto 3 (Standard and Extended Range variants)

  • Dolphin

  • Seal (including Dynamic, Premium, and Performance models with different motor outputs)

  • e6

All units are single-speed reduction gearboxes (e-axle).

We supply:

  • Tested used units – Cleaned, inspected, from low-kilometre BYD vehicles.

  • Professionally reconditioned gearboxes – With new bearings, seals, and a full service.

  • Used reducer units: 30–90 days (depending on source and km).

  • Reconditioned units: 6–12 months.

  • Genuine new BYD OEM: Full BYD parts warranty.

Full warranty terms are provided in writing before purchase.

  • Unusual whining or grinding noises from the drivetrain (especially under load or deceleration).

  • Vibration through the cabin or steering wheel.

  • Oil leaks from the reducer housing seals.

  • Clunking or backlash when changing between drive and reverse.

Upgrade Your BYD EV Drivetrain Today

Don’t let a noisy reducer, leaking seal, or failing e-axle sideline your BYD EV. Whether you need an affordable tested used replacement, a high-quality reconditioned unit, or a genuine new BYD OEM reducer gearbox, we have the right solution for your EV and your budget.

1800 595 454