Turbocharger compatible with Mazda 3, CX-7 2.3L

This K0422-582 turbocharger features a cast iron turbine housing and K418 alloy impeller for high thermal stability. The water-cooled unit includes cast aluminum blades for corrosion resistance and has been VSR machine balanced.
Key facts
- Part type
- Turbocharger
- Type
- Aftermarket replacement
Compatibility matrix
Only models verified by our team are listed| Parts for | Model | This part |
|---|---|---|
| Mazda | Mazda 3 | Fits |
| Mazda CX-7 2.3L | Fits |
Only the models listed above have a confirmed catalog fit. If yours is absent, compatibility is unknown, not ruled out. Compare the exact model identifier and any published dimensions or connectors before ordering.
Where to find your model number
- Mazda: Use your 17-character VIN. It's on the driver-side dashboard at the base of the windshield and on the driver's door jamb sticker. The year is in the 10th character. Also check your registration or the owner's manual.
General manufacturer guidance: exact label position can vary by model.
Turbocharger specifications
- Material
- Iron, Cast Aluminum, K418 Alloy
- Cooling Type
- Water cooling
- Turbo Model
- K0422-582
- OE Numbers
- L33L13700B, L33L13700C, L3Y11370ZC, L3Y41370ZC, L3Y31370ZC, L3YC1370Z, L3YC1370ZA, 53047109904, 53047109907
Installation
This part should be installed by a qualified technician. The job involves specialist tools, safety risks or precise calibration, so we do not publish a do-it-yourself guide for it.
Maintenance check
Signs it's time to replace
- 01Noticeable loss of power or slow acceleration
- 02Whining or siren-like noise from the engine bay
- 03Blue or grey smoke from the exhaust
- 04Engine uses more oil than usual
More parts for Mazda 3
See all Mazda 3 parts
FP-0828D4×412 month warranty on every part
Every part we sell is covered for 12 months from delivery. If it fails in normal use, we replace it or refund you , claim it straight from your order page.
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Questions & answers
+Which models does this turbocharger fit?
Our team verified it for Mazda 3, Mazda CX-7 2.3L. The full list is in the compatibility table above.
+How do I make sure it fits my exact model?
Find the model number on your vehicle registration or VIN and compare it with the table above. Our fit guarantee covers verified models.
+What is the turbocharger made of?
Listed material: Iron, Cast Aluminum, K418 Alloy.
+Is it hard to install?
Install difficulty: Expert · professional install recommended. Compare with your old part and follow your device manual.
+How fast will it arrive?
This part is in stock in the USA: delivery within 3 to 8 business days, free shipping in the US.
+Is there a warranty?
Yes, a 12-month warranty is included, and you can extend it at checkout. Returns are accepted within 30 days.



