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The Genuine Subaru OEM Transmission Main Shaft (Part #32201AB070) is an exact-fit factory replacement component for the 2004–2006 Subaru STI. Designed and manufactured to Subaru's original engineering specifications, this main shaft ensures proper power transfer and gear engagement within the STI's 6-speed close-ratio manual transmission. Choosing a genuine OEM part guarantees the precise tolerances, material grade, and surface finish required for reliable, long-term drivetrain performance.
| Subaru Part Number | 32201AB070 |
|---|---|
| Part Type | Transmission Main Shaft |
| Transmission Type | 6-Speed Close-Ratio Manual (STI) |
| OEM / Aftermarket | Genuine Subaru OEM |
| Application | 2004–2006 Subaru STI |
| Condition | New |
This main shaft is engineered specifically for the following vehicles:
2004-2006 Subaru STI
Always verify your specific VIN and transmission code with a Subaru parts catalog or dealer to confirm fitment before ordering.
Transmission main shaft replacement requires full transmission disassembly and is considered an advanced repair. Professional installation by a qualified Subaru technician or experienced drivetrain specialist is strongly recommended. Proper torque specifications, bearing preload settings, and transmission assembly procedures outlined in the Subaru STI service manual must be followed to ensure correct operation and prevent premature wear.
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