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WAI 40011N Alternator
| Brand | WAI 40011N |
|---|---|
| 12 | 12 |
| Fan Type | Internal |
| Pulley Included | Yes |
| Family | Mitsubishi |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | Yes |
| Amperage Rating | 150 |
| Fits | Mazda · 19 vehicles |
100% new construction. Not remanufactured, with proprietary components and processes.
150-amp output. Built to supply the electrical demand of modern charging systems.
Internal regulation. Includes an internal fan and a 6-groove serpentine pulley.
Cross-references Walker Exhaust 40011, A002TX6081A and A002TX6981A for the same application. See all 9.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
This WAI alternator, part number 40011N, is a 150-amp replacement built for modern charging demands. It is a 100% new unit, not remanufactured, and uses proprietary components and processes for consistent life and performance.
Compatible with Mazda CX-5, Mazda CX-9, and Mazda 6 applications, this alternator is configured with an internal fan, internal regulator, and a decoupled clutch pulley. The 6-groove serpentine pulley setup supports direct replacement needs for vehicles using this charging system layout.
Key Features
- 150-amp output for higher electrical demand
- 100% new construction, not remanufactured
- Internal fan and internal regulator
- 6-groove serpentine pulley included
- Decoupled clutch pulley design
- Mitsubishi family alternator design
Detailed Description
WAI part number 40011N is an alternator engineered to supply the amperage required by today’s vehicle electrical systems. Its 150-amp rating, internal regulation, and serpentine pulley configuration make it a fitment-focused replacement for Mazda CX-5, Mazda CX-9, and Mazda 6 models listed below. The Mitsubishi family design and included pulley support OE-style charging system service where the original unit uses this configuration.
This part cross-references Monroe Shocks & Struts (e.g., A002TX6081A, A002TX6981A) for the same application.
What It Helps Address
- Low charging output from a worn alternator
- Battery warning lights related to charging system faults
- Electrical strain from accessories and onboard electronics
- Noise or pulley-related issues in the charging system
- Starting problems caused by insufficient alternator output
Installation Notes and Tips
Verify pulley groove count, belt type, regulator style, and decoupled clutch pulley configuration before installation. Confirm the vehicle’s charging system matches the listed fitment and electrical specifications for Mazda CX-5, Mazda CX-9, or Mazda 6 applications. Part number 40011N should be matched to the original unit’s connector and mounting configuration before replacement.
Quality Assurance
WAI states that this alternator is manufactured as a new unit using proprietary components and processes to support long service life and dependable performance.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2025 | Mazda | CX-5 | — | — | — |
| 2024 | Mazda | CX-5 | — | — | — |
| 2023 | Mazda | CX-5 | — | — | — |
| 2023 | Mazda | CX-9 | — | — | — |
| 2022 | Mazda | CX-5 | — | — | — |
| 2022 | Mazda | CX-9 | — | — | — |
| 2021 | Mazda | 6 | — | — | — |
| 2021 | Mazda | CX-5 | — | — | — |
| 2021 | Mazda | CX-9 | — | — | — |
| 2020 | Mazda | 6 | — | — | — |
| 2020 | Mazda | CX-5 | — | — | — |
| 2020 | Mazda | CX-9 | — | — | — |
| 2019 | Mazda | 6 | — | — | — |
| 2019 | Mazda | CX-5 | 2.5L | L4 | — |
| 2019 | Mazda | CX-9 | — | — | — |
| 2018 | Mazda | 6 | — | — | — |
| 2018 | Mazda | CX-9 | — | — | — |
| 2017 | Mazda | CX-9 | — | — | — |
| 2016 | Mazda | CX-9 | — | — | — |
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