Timing Belt & Water Pump Kit QBPK8813 Quinton Hazell. Part Number QBPK8813. 1x Quinton Hazell Timing Belt (QTB785). 1x Quinton Hazell Tensioner Pulley, timing belt (QTT1291). 1x Quinton Hazell Deflection Pulley/Guide Pulley, timing belt (QTT1292).