Enhance the driving dynamics of your Mazda CX-7 with this upgraded billet turbocharger from PTTURBO.COM — precision-built in the USA for better performance, quicker spool, and long-lasting reliability.

This turbo is a direct replacement for the factory K0422-581 / 582 units and is engineered specifically for the 2006–2014 Mazda CX-7 with the 2.3L turbocharged engine. What sets this turbo apart is its upgraded 7075-T6 billet compressor wheel, CNC-machined with extended tips and slim hub technology for optimized airflow, reduced lag, and improved top-end power — all while retaining stock fitment.

Key Performance Upgrades:

• Billet 7075-T6 Compressor Wheel: Aerospace-grade material offers higher strength, improved efficiency, and faster spool vs. cast designs
• Extended Tip & Slim Hub Tech: Allows for increased airflow without changing the turbo size — greater power with OEM fit
• Direct OEM Replacement: Bolts on with no modifications required
• Includes new wastegate actuator and full gasket set for a quick, complete installation
• Assembled & VSR Balanced in the USA: Balanced to 100,000+ RPM for smooth, long-lasting performance
• 1-Year Manufacturer Warranty for added peace of mind

OEM / Interchange Part Numbers:

• OEM: K0422-581 / K0422-582
• Other: 53047109904, 53047109907, K0422-582
• Interchange: L3Y4-1370ZC, L3Y3-1370ZC, L3YC-1370Z, L33L-13700F

Vehicle Fitment:

• 2006–2014 Mazda CX-7 2.3L Turbocharged (All Trims)

Why Choose This Turbo?

• Quicker spool and more responsive boost
• Better airflow and efficiency thanks to billet wheel technology
• Simple, direct replacement with all hardware included
• Designed, assembled, and tested in the USA

Installation Notes:
This is a direct-fit bolt-on turbo, but professional installation is highly recommended. Always prime the turbo with oil before initial start-up and inspect your oil feed lines and filters to ensure clean, unrestricted flow.

Upgrade your Mazda CX-7 with a turbo that blends factory fitment and aftermarket performance — built to spool faster, last longer, and boost harder.

California buyers: Sales tax applies
We respond to emails during business hours (Mon–Fri, Pacific Time). Closed on weekends and holidays.

About This Billet Turbocharger — Mazda CX-7 2.3L (2006–2014)

The BorgWarner K0422 turbocharger — part numbers 53047109904 (K0422-581) and 53047109582 (K0422-582) — is the factory turbocharged unit on the Mazda CX-7 with the 2.3L MZR-DISI engine, which powered this compact crossover from 2006 through 2014. The K0422 on the CX-7 operates in a more demanding thermal environment than in the Mazdaspeed 3 or 6 because of the CX-7s more restricted engine bay, higher ambient heat, and heavier vehicle weight placing more continuous load on the turbocharger. CX-7 turbos fail at higher rates than the same unit in the lighter Mazdaspeed applications.

This billet upgrade replaces the OEM cast compressor wheel with a billet machined wheel for improved durability and efficiency, maintaining full compatibility with factory plumbing and the OEM wastegate actuator.

Common CX-7 Turbo Failure Causes

• Oil coking from heat soak — the CX-7 engine bay retains heat after shutdown, baking oil in the bearing housing
• Extended oil change intervals — Mazda recommended intervals are the maximum, not the optimum for turbo life
• Low oil level — the 2.3T is sensitive to even moderate oil level reduction
• Coolant feed line degradation — the water-cooled bearing housing needs intact coolant lines

Billet Wheel Advantage

The billet compressor wheel in this unit eliminates compressor wheel fatigue as a failure mode and provides a modest efficiency improvement that slightly reduces turbo operating temperatures — beneficial in the CX-7 thermal environment. PT Turbo in San Bernardino, CA stocks K0422 units for the CX-7 application. Contact us to confirm the correct part number variant for your model year before ordering.