Engine Overhaul Kit to fit Caterpillar C6.6 ACERT Engines. Additional Rebuilt Parts for C6.6 Engines: 376-4075 crankshaft, 374-7136 oil pump, 397-5684 water pump, 370-7282 injectors. Fits Caterpillar Excavator Models: 320E, 320E L, 320E, LN, 320E LRR, 320E RR, 323E L,. Fits Caterpillar Knuckleboom Loaders Models: 2384C, 2484C, 559C, 579C. Fits Caterpillar Dozers Models: D6KII LGP, D6N LGP. Fits Caterpillar Wheel Loader Models: 924K, 930K, 938K. For Quick And Easy Parts Pricing. Please call Eastern: 617-874-1700 Or Midwest: 612-284-9300 TEXT 612-284-9301 WORLD WIDE SHIPPING Email: Info@QHEParts.com VISIT: WWW.QHEPARTS.COM