Drivetrain› Manual Transmissions and Components
USA Standard (Yukon)
USA Standard Manual Transmission Mainshaft 1986 Nissan Hardbody 4x4 4-CYL M T MAINSHAFT 86 UP NISS
SKU: U018 ZMNIS-2A
Moderate — 2–4 hours
Description
It is precision-machined from high-strength steel and heat-treated for enhanced durability, wear resistance, and dimensional stability. This mainshaft is an essential component for transmission overhaul and rebuild projects.
Fitment
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Available on iOS & Android
Specifications
| Brand | USA Standard (Yukon) |
| Part Number | U018 ZMNIS-2A |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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