Main Shift Shaft Replacement

Precision Main Shift Shaft: Engineered for Seamless Gear Engagement
Crafted for optimal performance in manual transmissions, this OEM-grade Main Shift Shaft (换档轴) delivers uncompromising reliability and precise shifting dynamics. Manufactured from hardened alloy steel, it undergoes rigorous CNC machining and heat treatment to exceed exact dimensional tolerances, ensuring perfect fitment and longevity under high torque loads. Critical for translating driver input into smooth gear selection, our shaft features precisely calibrated gear teeth and bearing surfaces to eliminate play, reduce vibration, and prevent premature synchro wear. Direct replacement for worn or damaged OE components, it restores factory-shift feel while enhancing durability. Compatible with major transmission models (specify applications). Includes essential mounting hardware. Trusted by rebuilders worldwide. ISO 9001 certified production.

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Key Technical Focus:

• Material: Hardened Alloy Steel (SAE 4140/42CrMo Equivalent)

• Process: Precision CNC Machining + Induction Hardening (HRC 45-50)

• Tolerance: ±0.01mm Critical Surfaces

• Compliance: Meets DIN/ISO 9656 Torque Standards

• Application: Synchronizer Hub Engagement, Shift Fork Actuation