| Z1-080-084-01 | Spanner Nut | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-080-261-01 | Pinion Liner | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-080-275-02 | Seal Spacer | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-080-310-01 | Gear Assembly | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-100-034-01 | Spanner Nut | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-100-144-01 | Sealing Plate | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-100-146-02 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-100-146-04 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-100-147-02 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-100-148-01 | Lock Washer, Cup | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-100-276-01 | Lock Cup | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-100-292-02 | Body Bolt | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-100-293-01 | Nut, Special | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-100-423-01 | Lock Cup | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-100-502-02 | Bolt | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-100-538-01 | Dowel | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-103-047-01 | Oil Ring, Bearing | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-110-132-01 | Forward Cone | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-110-137-01 | Bolt | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-110-141-02 | Rear Cone | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-110-217-01 | Union, Scavenge | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-110-217-02 | Union, Scavenge | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-110-262-01 | Bolt | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-120-029-01, -02, -03 | Spacer Ring | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-130-218-03 | Flat Washer | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-130-235-01 | Washer, Key | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-130-245-01 | Bolt | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-130-256-01 | Stud | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-130-256-02 | Stud | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-130-265-01 | Washer | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-140-061-01 | Spanner Nut | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-140-062-03 | Lock Cup | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-140-142-02 | Locking Plate, Power Turbine | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-140-168-03 | Body Bolt | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-140-233-02 | Nut, Power Shaft | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-140-268-01 | Ring, Power Turbine Seal | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-140-276-01, -02, -03 | Spacer Ring | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-140-285-01 | Pin | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-160-136-01 | Bracket, Clamp | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-160-253-01 | Clip | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-160-414-02 | Bearing Liner | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-160-429-01 | Bearing Liner | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-170-500-01 | Tube Assembly | Optimum Engineering & Manufacturing | Current | 2002-04-17 |
| Z1-190-019-02 | Locking Plate | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-190-019-03 | Locking Plate | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-300-316-01 | Retaining Ring | Optimum Engineering & Manufacturing | Current | 1992-12-31 |
| Z1-300-688-01 | Gasket | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z1-300-689-01 | Gasket | Optimum Engineering & Manufacturing | Current | 2003-01-13 |
| Z3102125-2 | Tube Assembly | Optimum Engineering & Manufacturing | Current | 2002-08-03 |
| Z3102237-1 | Tube Assembly | Optimum Engineering & Manufacturing | Current | 2002-08-03 |