CAT Compressor SD7H15 8PK 135mm 24V, part number F1-C7H15CAT. Original part. Size / spec: COUNTER WEIGHT. Fits CAT. Replaces OEM numbers 1630872, 4131, 4301, 4769. Supplied by Car Cooling Consultants in Boksburg. Add it to your quote and our sales team will reply with pricing and availability.