54-74071 Vacuum Power Brake Booster Fit for JEEP Cherokee Wagoneer 1985-1990；for COMANCHE 1986-1990 54-74071,83501533. 【OEM Specifications】54-74071,83501533, 83501534. Engineers have successfully upgraded vacuum boosters, which can not only adapt to more vehicle models, but also improve their acceleration and efficiency.
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