| 2151021 | Nut sp, con. rod boll cotter pin, nut locking, 1/8'' 1-1/4' long (also DLW 10211070) | Alco / MLW | | |
| 2151022 | Nut, special, connecting rod bolt, unslotted | Alco / MLW | | |
| 2151054 | Dowel pin 1/2 in diameter | Alco / MLW | | |
| 2151055 | Dowel, face and back plate to casing 5/8 diameter x 2 | Alco / MLW | | |
| 21511176 | Gasket copper | Alco / MLW | | |
| 2151123-3 | Gaskt door to base | Alco / MLW | | |
| 21511352-1 | Cap screw, blank flange to cooler, 5/8-11 x 1-1/2 | Alco / MLW | | |
| 2151172 | Retainer, thrust bearing | Alco / MLW | | |
| 2151188 | Gasket, casing to head | Alco / MLW | | |
| 21512011 | Gasket valve cover to head | Alco / MLW | | |
| 2151265-1 | Winged | Alco / MLW | | |
| 21512716 | Shaft key | Alco / MLW | | |
| 21512721 | Key drive shaft to impeller | Alco / MLW | | |
| 21512742 | Pipe plug gen end 1/2 lps hex socket | Alco / MLW | | |
| 21512863 | Stainless steel screw 5/16 in, 18 threads per inch | Alco / MLW | | |
| 21513120 | Miscellaneous engine parts | Alco / MLW | | |
| 2151312-1 | Lockwasher | Alco / MLW | | |
| 2151313-1 | Lock washer, 1/2IN | Alco / MLW | | |
| 2151341-1 | Knob with spindle | Alco / MLW | | |
| 21513510-1 | Capscrew, elbow to block (1/2-13x1-1/4) | Alco / MLW | | |
| 21513513-1 | Capscrew, barring device to mounting bracket 1/2-13x1/2 in | Alco / MLW | | |
| 2151352-1 | Capscrew, bracket to flange, 5/8-11x1-1/2 in | Alco / MLW | | |
| 2151354 | Cap screw | Alco / MLW | | |
| 21513552-1 | Capscrew, pump to base, 8-11 x 3-1/2 | Alco / MLW | | |
| 21513571 | Cap screw 3/8 in-16 x 2-3/4 in for ALCO 251 | Alco / MLW | | |
| 21513578 | Cap screw 1/2-in-13 x 5-3/4-in. for ALCO 251 | Alco / MLW | | |
| 21513727 | Huglock nut 5/8, 11 | Alco / MLW | | |
| 21513742 | Nut, elastic stop 5/8 in-11 | Alco / MLW | | |
| 21513753 | Nut 1/2 in 20 | Alco / MLW | | |
| 21514047 | Cotter pin int. main bearing | Alco / MLW | | |
| 21514079 | Cotter pin, centre main bearing | Alco / MLW | | |
| 21514223 | Stud, casing to back plate, 5/8-11 x 2-3/4 | Alco / MLW | | |
| 21514241 | Stud, head to casing, 3/8-16 x 2 | Alco / MLW | | |
| 21514267-1 | Stud in support | Alco / MLW | | |
| 21514280-1 | Stud bolt (also DLW 10211020) | Alco / MLW | | |
| 2151429-5 | Miscellaneous engine parts | Alco / MLW | | |
| 2151452 | O-ring upper white colour | Alco / MLW | | |
| 2151455-1 | Lower O-ring black colour | Alco / MLW | | |
| 2151456 | O-ring | Alco / MLW | | |
| 2151493-1 | Washer 5/8 | Alco / MLW | | |
| 2151607-1 | Stud bolt (inter) BG (also DLW 10211093) | Alco / MLW | | |
| 2151609-1 | Stud bolt (centre) BG (also DLW 10211081) | Alco / MLW | | |
| 2151624-1 | Winged | Alco / MLW | | |
| 2151625-1 | Nut hex | Alco / MLW | | |
| 2151626-1 | Nut hex | Alco / MLW | | |
| 21516311 | Nut, special, injection tube stud | Alco / MLW | | |
| 2151682 | Stud bolt | Alco / MLW | | |
| 2151691-1 | Nut, nozzle clamp, 5/8-11 in | Alco / MLW | | |
| 2151692-1 | Miscellaneous engine parts | Alco / MLW | | |
| 2151697 | Miscellaneous engine parts | Alco / MLW | | |
| 2151767 | Cylinder head stud (over size) (also DLW 10211100) | Alco / MLW | | |
| 2151775 | Dowel, taper, plate to base, no. 9 x /2 | Alco / MLW | | |
| 2151887 | Stud, back plate to casing and face plate, 5/8-11 x 8-3/4 | Alco / MLW | | |
| 2151921-1 | Adjusting screw yoke (also DLW 10211019) | Alco / MLW | | |
| 2152071 | Setscrew, idler locking, 3/8-16 x 3/8 | Alco / MLW | | |
| 2152073 | Set screw, 1/4-20 x 3/8 soc. hd | Alco / MLW | | |
| 21522310 | Gasket water conn to block | Alco / MLW | | |
| 2152232-2 | Gasket water conn to head | Alco / MLW | | |
| 2152232-3 | Gasket, adapter flange to cylinder head | Alco / MLW | | |
| 2152234-1 | Gasket branch pipe to headers | Alco / MLW | | |
| 2152237 | Gasket circular water connection cylinder head (also DLW 10170510) | Alco / MLW | | |
| 2152238 | Gasket elbow to cylinder elbow (also DLW 10181809) | Alco / MLW | | |
| 2152239 | Gasket over water connection cylinder head (also DLW 10170522) | Alco / MLW | | |
| 21522612-1 | Gasket, cover to support | Alco / MLW | | |
| 2152267 | Gasket,for flange | Alco / MLW | | |
| 21522826 | Gasket insert elbow to cylinder head (also DLW 10170492) | Alco / MLW | | |
| 21523510 | Cap screw 3/4-10, 5-1/2 | Alco / MLW | | |
| 21524881 | Gasket cover to aftercooler | Alco / MLW | | |
| 21524891 | Gasket bottom cover to aftercooler | Alco / MLW | | |
| 21526818 | Ream bolt 5/8, 11 * 3-5/8 | Alco / MLW | | |
| 2152788-1 | Snap ring | Alco / MLW | | |
| 21528312 | Taper dowel, fulcrum pin to fuel pump support no. 5x3 | Alco / MLW | | |
| 2152945-1 | Miscellaneous engine parts | Alco / MLW | | |
| 21529614 | Screw | Alco / MLW | | |
| 2153124 | Woodruff cotter 1/16 in x1/2 in | Alco / MLW | | |
| 2153174 | Nut (cylinder head big) (also DLW 10220161) | Alco / MLW | | |
| 2153175 | Nut (cylinder head small) (also DLW 10220173) | Alco / MLW | | |
| 21532041-1 | Miscellaneous engine parts | Alco / MLW | | |
| 2153211-1 | Nut, flex lock, 5/8-11 | Alco / MLW | | |
| 2153271 | Nut, special (also DLW 10220070) | Alco / MLW | | |
| 2153304 | Spacer | Alco / MLW | | |
| 2153363-1 | Gasket branch pipe to cylinder block | Alco / MLW | | |
| 2153385 | Washer | Alco / MLW | | |
| 2153387-1 | Knob washer | Alco / MLW | | |
| 2153403 | Grommet push rod sleeve | Alco / MLW | | |
| 21535222 | Stud, seal plate to frame | Alco / MLW | | |
| 2153595 | Gasket fuel inl connection to pump (also DLW 10170509) | Alco / MLW | | |
| 2153596 | Gasket, retaining screw | Alco / MLW | | |
| 2153632 | Bushing (valve lever) (also DLW 10150110) | Alco / MLW | | |
| 2153638-1 | Valve lever bushing | Alco / MLW | | |
| 21536511 | Gasket connection to inlet casing single (also DLW 10170480) | Alco / MLW | | |
| 21536512 | Gasket manifold to super charger (also DLW 10360099, 10171393) | Alco / MLW | | |
| 21536515 | Gasket flexitalic for manifold (also DLW 10240445) | Alco / MLW | | |
| 2153654-1 | Gasket manifold to turbo and elbow (also DLW 10170534) | Alco / MLW | | |
| 2153657 | Gasket manifold to cylinder head (also DLW 10170479) | Alco / MLW | | |
| 2153873 | Nut, 5/8 in-11 sq.hd | Alco / MLW | | |
| 2154961 | Cap screw, locking nut | Alco / MLW | | |
| 21549622 | Cap screw | Alco / MLW | | |
| 2155172 | Nut (cam shaft gear) (also DLW 10210817) | Alco / MLW | | |
| 21552210-1 | Special hex nut between multiple and head | Alco / MLW | | |
| 21552225 | Special nut assembly | Alco / MLW | | |
| 2155387 | Special bushing for exhaust manifold | Alco / MLW | | |
| 21555874 | Capscrew, pump to base, 5/8-11 x 2-1/4 | Alco / MLW | | |
| 21556069 | Cap screw, idler gear to shaft | Alco / MLW | | |
| 21556310 | Miscellaneous engine parts | Alco / MLW | | |
| 2155632 | Cap screw special gear sections | Alco / MLW | | |
| 21558145 | Miscellaneous engine parts | Alco / MLW | | |
| 21558212 | Nut, impeller special (also DLW 15380666) | Alco / MLW | | |
| 2155826-1 | Lock nut | Alco / MLW | | |
| 2155829 | Locknut 7/16 in for ALCO 251 | Alco / MLW | | |
| 2155891 | Special nut | Alco / MLW | | |
| 2155942 | Cap screw special inlet to header | Alco / MLW | | |
| 215607-1 | Stud bolt (inter) BG (also DLW 10211093) | Alco / MLW | | |
| 2157001 | Lock wire | Alco / MLW | | |
| 2157002 | Lock wire and gear bolts, 080 in x 24 in | Alco / MLW | | |