Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Mazda 3 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| ECM | ||||
| Manual Trans | ||||
| Federal | ||||
| To 9/1/06 | MZD | L34S18881B | 1173.82 | Order By Description. |
| From 9/1/06 | MZD | LKYR18881R0A | 632.84 | |
| California | MZD | L34P18881G | 903.15 | |
| Auto Trans | ||||
| Federal | ||||
| From 2/20/06 | MZD | LKYS18881R0A | 658.94 | |
| California | MZD | L34R18881G | 785.36 |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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