If a freshly installed lower ball joint still has play, look at the seat in the knuckle before blaming the joint. That insert is the taper the stud pulls into. Years of rust and previous overtightening flatten the surface so the nut cannot lock the taper. The car then knocks over every bump even though the joint is new.
The Genuine Nissan Front Lower Ball Joint Seat is the factory taper-18 insert for Fairlady Z and 300ZX Z32 front knuckles. Two are required for a complete pair. It is the seat only—not the ball joint, boot, or castle nut. Press or seat it clean before torquing the new joint.
At Terra Firma Automotive we supply this genuine Nissan Z32 ball-joint seat so the taper lands on metal that can actually hold. Choose Terra Firma Automotive for authentic Nissan suspension hardware built for the Z32.
- 2 Required
- Genuine Nissan front lower ball joint seat
- Catalog: seat-lower ball joint
- Also called knuckle seat / lower seat
- Taper-18 specification
- Quantity required: 2 per car
- Fairlady Z / 300ZX Z32
- Seat only — not the ball joint
- Restores taper lock after galled knuckle
- Fit with new lower ball joints
- Direct OEM replacement
- Available from Terra Firma Automotive
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