Solid Swap Direct Replacement Power Steering Gearbox For Toyota 4Runner And Pickup Trucks 1989 To 1991 Built Tough Steering Assembly Fits Left Hand Drive Models With No Sweat Install Pn 278473

Single Power Steering Unit for Toyota 4Runner & Pickup
✔️ Direct replacement gear with 18.1 ratio and 36 splines

This solid swap steering gearbox replaces failing units in left hand drive Toyota 4Runner and pickup models from 1989 to 1991. Designed for pn 278473 and 44110 35190 cross references, it bolts straight to factory mounts without cutting. The durable internal components maintain steady hydraulic pressure for confident cornering through rocky washes or muddy trails.

✅ Gear ratio 18.1 delivers four point two total turns for predictable tracking response
✅ Input shaft measures zero point six nine inches seventeen point five millimeters
✅ Output shaft reaches one point two inches thirty point five millimeters for stable linkage
✅ Three mounting holes align with chassis rails for quick bench installation
✅ Ports feature M16 return thread and M17 pressure fitting for standard line routing

💡 What ensures a steering box stays tight during extended off highway use?
A rugged internal layout prevents play before it ruins handling balance.
- Heavy duty valve rings keep fluid flow steady under bumpy load shocks
- Handy bolt flange design skips expensive welding or bracket fabrication
- Ceramic coated internals resist grit buildup while extending service intervals
- Preloaded bearing sleeves cut pump whine on dry cold morning starts

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