SuperPro 1990 Mazda Miata Base Rear Differential Mount Bushing Kit

SuperPro 1990 Mazda Miata Base Rear Differential Mount Bushing Kit

This kit replaces the forward differential mount bushings, known as the pinion mount bushings. The OEM units are soft rubber and break down fairly quickly, with wear accelerated the harder they are used.

The worn bushings allow more movement of the rear differential under changing loads.

This can initially be felt behind the wheel as slower and sloppier responsiveness. As the OEM bushings near the end of their life, it can be accompanied by noise, vibration, and secondary movements under changing loads, especially when accelerating and decelerating.

SuperPro's differential mount upgrades maintain OEM levels of noise, vibrations, and harshness isolation in the cabin, preserving the factory levels of comfort. At the same time, performance is significantly improved with the differential more accurately located under a wider range of conditions. The service life is dramatically improved with materials that maintain peak performance throughout their life, rather than slowly softening and degrading like natural rubber.

This Part Fits

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Year	Make	Model	Submodel
1999	Mazda	Miata	10th Anniversary
1990-1997,1999-2005	Mazda	Miata	Base
1993	Mazda	Miata	LE
2000-2005	Mazda	Miata	LS
1994-1997	Mazda	Miata	M Edition
2004-2005	Mazda	Miata	Mazdaspeed
1991,2000-2003	Mazda	Miata	SE
2003	Mazda	Miata	Shinsen
1997	Mazda	Miata	STO