Buy 1991 Mazda MIATA 1.6L M/T Base Convertible Steering Knuckle. RX-8; Right. Steering Knuckle - RigHT, Suspension, FRONT - OEM Mazda Part # F15133020A (F151-33-020, F151-33-020A, F15133020, USEF15133020A)

Knuckle. (R). Steering. RigHT.
A Knuckle used on a Steering axle that has no additional components attached.

Steering Knuckle

Fits RX-8

RX-8; Right.
Steering Knuckle - Repair or Replace
The steering knuckle in your 1991 Mazda MIATA may need to be replaced if it has become damaged or rusty, which will usually be determined during a related repair.