Engines Market

KIA E-NIRO EV SPECIALISTS

Kia e-Niro Electric Drive Unit Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Kia e-Niro EV drive specialists. Compare prices on reconditioned, rebuilt and used EM57 and PE95 electric drive units - supply & fit available with a minimum 12-month warranty.

Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes Engine
from£1,800 to £3,400
  • Usedfrom £800
  • Reconditionedfrom £1,800
  • Common codesEM57, PE95, GDU Assembly
Kia niro Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes Used Engine — EM57Kia niroUsed Engine — EM57Kia niro Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes Reconditioned Engine — EM57Kia niroReconditioned Engine — EM57Kia niro Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes Rebuilt Engine — EM57Kia niroRebuilt Engine — EM57

Get your free Kia niro Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes engine quotes

Secure enquiry — no spam, no pressure. Genuine quotes only from vetted UK specialists.

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Kia e-Niro Electric Drive Unit History & Specs at a Glance

The Kia e-Niro (also known as the Niro EV) launched in 2019 as Kia's first dedicated electric crossover in the UK, combining the popular Niro body style with a zero-emission powertrain. Unlike the hybrid Niro models which use the G4LE combustion engine, the e-Niro is powered exclusively by a permanent-magnet synchronous electric motor paired with a single-speed reduction gearbox - making it a pure EV with no internal combustion engine.

Kia e-Niro
  1. 2019

    e-Niro launched with 64kWh battery and 150kW (201hp) EM57 electric motor

  2. 2020

    Entry-level 39kWh battery introduced with 100kW (134hp) motor, still EM57 code

  3. 2021

    Minor software updates to battery management and thermal systems

  4. 2022

    Second-generation (SG2) e-Niro arrives with PE95 drive unit, 150kW motor and 64.8kWh battery

Every EM57 and PE95 drive unit fitted to the Kia e-Niro is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Kia e-Niro Drive Unit Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

EM57 — 100kW / 150kW Electric Drive Unit (2019-2022) engine

EM57 — 100kW / 150kW Electric Drive Unit (2019-2022)

Power Output
100kW (134hp) / 150kW (201hp)
Torque
395 Nm (both variants)
Battery Compatibility
39kWh (100kW) / 64kWh (150kW)
Years Fitted
2019-2022

Can’t find your exact engine code?-> Get quotes for EM57 Kia e-Niro drive unit replacement

-> Get quotes for EM57 Kia e-Niro drive unit replacement

Common Problems

Kia e-Niro Electric Drive Unit Problems Repair Cost vs Replacement

The Kia e-Niro's electric drive unit is generally reliable, but a small number of high-mileage and early-production examples have experienced reduction gearbox bearing wear, GDU bolt issues and inverter coolant pump failures. These problems dominate UK replacement enquiries for the e-Niro, particularly on examples approaching 50,000-100,000 miles. Every reconditioned drive unit through EnginesMarket includes upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.

Common failure points and repair options

Reduction Gearbox Bearing Wear

Affected
Kia e-Niro (EM57 / PE95, 2019-present)
Typical failure mileage
30,000-100,000 miles (50,000km+)
Root cause
The reduction gearbox uses ball bearings that can wear prematurely, particularly on vehicles used for high-speed motorway driving or those that have never had the gearbox oil changed. This presents as a whining, milling or tapping noise that increases with speed. The issue is well-documented in owner forums, with some reporting the problem as early as 13,000 miles.

Repair options

Repair tierDealer priceSpecialist price
Minor - Bearing replacement kit£1,200-£2,000£800-£1,400
Full Replacement - Reconditioned drive unit£3,200-£4,500£1,800-£3,400
Our recommendation
If your Kia e-Niro develops a whining or milling noise, have it diagnosed by an EV specialist immediately. The third-party bearing repair kit can be a cost-effective solution if caught early. However, if the noise is severe or accompanied by grinding, the damage may have extended to the GDU housing - in which case a full reconditioned drive unit is the only reliable fix. Anecdotal reports suggest dealers may replace components piecemeal in an attempt to run out the warranty; our specialists provide a single, transparent solution.
-> Compare reconditioned EM57 Kia e-Niro drive unit prices

Gear Drive Unit (GDU) Bolt Failure

Affected
Kia e-Niro (PE95, 2022-2023)
Typical failure mileage
Low mileage / from new
Root cause
The differential gear bolts within the GDU may not have been tightened to the correct torque during assembly. Over time, these bolts can loosen and damage the GDU housing and/or reduction gear while driving. Continued driving with a grinding noise may result in a loss of drive power and/or cause the differential to lock up. Kia issued a recall for certain 2023MY Niro EV vehicles.

Repair options

Repair tierDealer priceSpecialist price
Recall / Warranty - GDU replacement£0 (under recall)N/A
Full Replacement - Reconditioned PE95 unit£3,400-£4,800£2,200-£3,800
Our recommendation
Check if your Kia e-Niro is affected by the GDU bolt recall. Kia dealers will replace the GDU assembly free of charge. If your vehicle is not covered or you are experiencing symptoms outside the recall period, a full reconditioned PE95 unit with verified torque specifications is the safest long-term solution.
-> Check if your Kia e-Niro is affected by the GDU recall

Inverter Coolant Pump Failure

Affected
Kia e-Niro (2018-2022)
Typical failure mileage
30,000-80,000 miles
Root cause
The original inverter coolant (BSC-1) can crystallise over time, damaging the electric water pump and causing coolant flow issues. This triggers a "Refill Inverter Coolant" warning on the dashboard, even when coolant levels appear normal. A TSB was issued for 2018-2019MY Niro EV vehicles.

Repair options

Repair tierDealer priceSpecialist price
Minor - Coolant flush & pump replacement£400-£700£250-£450
Full Replacement - Reconditioned drive unit£3,200-£4,500£1,800-£3,400
Our recommendation
The "Refill Inverter Coolant" warning is a known issue on early e-Niros. A coolant flush and pump replacement is a relatively inexpensive fix that should be addressed promptly to prevent damage to the inverter. Do not ignore this warning - continued driving with insufficient coolant flow can damage the drive unit.
-> Compare Kia e-Niro drive unit prices with inverter cooling system inspection

Don't Let Drive Unit Failure Write Off Your Kia e-Niro

Electric drive unit failures on the Kia e-Niro are relatively rare, but when they occur, the cost of dealer replacement can be eye-watering. Our network of vetted UK EV specialists provides transparent, like-for-like replacement options tailored to your exact EM57 or PE95 drive unit. Every reconditioned unit arrives with upgraded components, full bench testing, and a minimum 12-month unlimited mileage warranty, delivered and fitted nationwide. Stop comparing isolated repair quotes and secure a complete, warrantied drive unit solution at a fraction of main dealer pricing.

Compare Kia e-Niro Drive Unit Replacement Prices Now ->

FAQ

Kia e-Niro Electric Drive Unit ReplacementFrequently Asked Questions

Everything Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Why Choose Us

Compare Kia e-Niro Drive Unit Prices Today

Comparing Kia e-Niro drive unit quotes is completely free and carries no obligation. Enter your registration above, tell us your drive unit code, and receive transparent, fixed-price quotes from our vetted UK EV specialists within hours. Whether you need a used drive unit for a quick fix or a fully reconditioned EM57 or PE95 with upgraded components and a 12-month warranty, we'll match you with the right supplier for your budget. All work is carried out by EV-certified technicians who understand the specific requirements of high-voltage systems.

100+100+ Kia e-Niro drive units supplied through our network
12-Month12-Month Warranty on every reconditioned EM57 and PE95 unit
NationwideNationwide UK delivery
Get Free Kia e-Niro Drive Unit Quotes ->

Compare quotes from trusted UK Kia e-Niro Electric Drive Unit Replacement - Compare Prices & Get Quotes engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.