Caterpillar 3126, Flywheel Housings, (GOOD USED) Caterpillar 3126 Flywheel Housing 126-5874-01-, Material: Steel, OEM Part# 1126587401, 126 5874 01, Other Part # NONLDD, WF, SAE # 2, Mount Part # 101-23360, Stock# 6868 | Tested & Inspected!