After Yazid died amid the civil war, Zufar supported Abd Allah ibn al-Zubayr's bid to wrest the caliphate from the Umayyads, expelling the Umayyad governor of Jund Qinnasrin and dispatching Qaysi troops to back the pro-Zubayrid governor of Damascus al-Dahhak ibn Qays al-Fihri. The latter was slain and the Qays crushed by the Umayyads and their tribal allies from the Banu Kalb, rivals of the Qays, at the Battle of Marj Rahit in 684. Afterward, Zufar set up headquarters in the Jaziran town of Qarqisiya (Circesium) and led the Qays tribes against the Kalb, launching several raids against the latter in the Syrian Desert. By 688–689, he became embroiled in a conflict with the Taghlib tribe in support of his Qaysi ally Umayr ibn al-Hubab of the Banu Sulaym, despite previous efforts to mend their feud. After resisting three sieges from 685 to 691, Zufar negotiated a peace with the Umayyad caliph Abd al-Malik (), abandoning Ibn al-Zubayr's cause in return for privileges in the Umayyad court and army, as well as pardons and cash for his Qaysi partisans who were integrated into the military. The peace was sealed by the marriage of Zufar's daughter al-Rabab to the caliph's son Maslama. Under Abd al-Malik's successors, Zufar's family inherited his high-ranking position and prestige in the Umayyad government and his preeminence among the Qays. In 750 his grandson Abu al-Ward led an abortive Qaysi revolt against the Umayyads' successors, the Abbasids, in which he and several members of the family were slain.