Buy Caterpillar 1005421 - SEAL GROUP-CRANKSHAFT at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MACHINE- ENGINE - INDUSTRIAL- MOTOR GRADER- PETROLEUM PRODUCTS- PIPELAYER- ENGINE - TRUCK- TRACK-TYPE TRACTOR Compatible Models:- 3176C- C-13- C11- C13- 3176B- 3176C- 3196- C-10- C-12- C-15- C-16- C11- C13- C15- C18- CPT372- 14M- 16M- C11- C13- C15- C18- CX31-C13I- TH35-C13I- TH35-C15I- CX31-P600- TH35-E81- 572R II- 3176- 3176B- C-10- C-12- C11- C13- 7A- 7S- 7SU- 7U- D7R II Units Containing The Spare Part :- 171-5823 SUPPORT GP-ENGINE (3176C)- 100-7763 SEAL GP-CRANKSHAFT (3176B)- 115-7193 SEAL GP-CRANKSHAFT (3176B)- 150-6183 GEAR GP-REAR (C-12)- 116-1091 SEAL GP-CRANKSHAFT (C-12)- 278-1929 ROCKER ARM GP (C-16)- 328-4238 ROCKER ARM GP -EXHAUST (C-15)- 320-2794 ROCKER ARM GP -EXHAUST (C15)- 241-0835 ROCKER ARM GP (C-13)- 241-0845 ROCKER ARM GP -UNIT INJECTOR (C11)- 124-2661 SEAL GP-CRANKSHAFT -DOUBLE LIP (C13)- 227-0838 SEAL GP-CRANKSHAFT -REAR (C13)