The rubber boot, clamps and grease. Lower priced kit is only one side, other is 2 sides. There are a couple rather poor images located here for an '01, dial in your MY to be sure.
FRONT DRIVE SHAFT. 2001 Toyota 4Runner LIMITED 4WD | Toyota
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2001 Limited 4WD - 346+K - SunfireRed\Thunder Cloud; - 265/75/16 Michelin A/T2s - Fat Pat's 1.5" BL - StopTech ANGLED rotors - In series 699 trans cooler, New Yota1 transmission, All new OEM suspension front to rear.