3.3-litre Mazdas run the e-Skyactiv D inline-six (T3Y4) — verified in the CX-60 254 AWD from 2022 at 254 PS / 550 Nm, with mild-hybrid hardware and a single twin-scroll turbo. Fitment beyond that application isn't established — confirm per vehicle.
MAZDA REPLACEMENT ENGINES • UK
Mazda 3.3L Engines — e-Skyactiv D (CX-60) Identification and Replacement Guide
A 3.3-litre Mazda engine is the e-Skyactiv D — a mild-hybrid diesel inline-six verified in the CX-60 254 AWD (2022) at 254 PS and 550 Nm. It's the newest diesel Mazda builds, which changes how you buy one: electronics matter as much as the block.
Find the right engine for your Mazda
What are the 3.3 e-Skyactiv D specs?
A 3,283 cc diesel inline-six with mild-hybrid technology, cited at 254 PS and 550 Nm in the CX-60 254 AWD application. One turbocharger, twin-scroll — not a twin-turbo setup.
T3Y4
- Family
- e-Skyactiv D (mild hybrid)
- Fuel
- Diesel
- Cited output
- 254 PS / 550 Nm
- Applications
- CX-60 254 AWD (2022 cited)
Which models use the 3.3?
The verified application is the CX-60 254 AWD (2022). Other CX-60 versions and every other model — including the CX-80 — need their own verification.
Code guide: T3Y4; model: CX-60.
| Model | Engine | Evidence status |
|---|---|---|
| CX-60 | e-Skyactiv D 3.3 (T3Y4) | Reviewed application — 254 AWD, 2022 cited |
| CX-80 / other models | — | No fitment established — do not assume |
What goes wrong on a 3.3 e-Skyactiv D?
Young engine, thinner fault record — recorded themes so far: DPF/regeneration behaviour and AdBlue/NOx attention, plus the electronics that come with mild-hybrid hardware.
Family context: engine directory.
DPF/regen: short journeys punish any modern diesel — check usage history.
AdBlue/NOx: sensor and dosing faults need diagnosis, not guessing.
Hybrid electronics: starter-generator, battery system and calibration must be checked.
Used, reconditioned or supply-and-fit — which way for a 3.3?
A genuine low-mileage used unit can be excellent value with provenance; reconditioned should cover electronic integration; supply-and-fit needs a hybrid-capable workshop.
Used Engine
- What it is
- A complete donor unit, tested before sale
- Best for
- Faster, cheaper routes with honest donor history
- What to compare
- Mileage records, donor Reg, compression and running-test evidence
- What it is
- A complete unit stripped, measured, machined and rebuilt
- Best for
- Owners keeping the car long-term
- What to compare
- Machining and measurement records, replaced-parts list, test results
Supply & Fit
- What it is
- Engine, removal, installation and commissioning in one quotation
- Best for
- One-responsibility jobs where downtime matters
- What to compare
- Written component schedule, fitting plan, warranty split and handover
Popular Mazda 3.3 Engines
Popular Mazda 3.3 engine options requested by UK drivers, with model and engine-code context.
How do you verify a 3.3 before you buy?
Run these five checks before any money moves — code first, price last.
Code: photograph the marking on the actual engine and match it to your Reg.
Configuration: confirm model, year, drivetrain and emissions equipment.
Evidence: rebuild records for reconditioned; donor Reg, mileage and tests for used.
Components: get the included-parts list in writing.
Terms: compare warranty, delivery and returns like-for-like.
3.3-litre Mazda questions
Does the T3Y4 fit the CX-80?
Is it a twin-turbo engine?
What's different about buying a mild-hybrid diesel?
What tests should a used 3.3 pass?
Get 3.3L Mazda replacement quotes
Submit your registration for quotations matched to your CX-60's specification. For official specifications and service documentation, cross-check against official documentation — source: Mazda UK's official resources.
Reviewed by the MazdaReplacementEngines technical team against Mazda owner documentation and OEM-linked application records.