CUMMINS QST30 parts

Genuine Original CUMMINS Diesel Engine Spare Parts
Power: 760 - 1500 hp
       567 - 1119 kW
Torque: 1800 - 4877 lb-ft
        2440 - 6612 N•m
Product Availability: North America, Africa Middle East, Latin America, Asia Pacific, Europe
application: Rail Engines, Mining Engines, Oil and Gas Engines

Cummins QST30 is a large-displacement, high-power diesel engine launched by Cummins. As a core model of heavy-duty power solutions, it is specifically designed for heavy-load equipment under extreme operating conditions and widely used in fields such as mining, construction machinery, and power generation.

As a representative product of Cummins’ “Q Series” heavy-duty engines, the QST30 has a displacement of 30 liters and adopts a 12-cylinder V-type configuration. It boasts three core advantages: “high power density, strong environmental adaptability, and long service life”. Its technical foundation shares some common components with Cummins’ multi-fuel platform (such as the core structure below the cylinder head gasket), while the cylinder head and fuel system have been optimized for the characteristics of diesel fuel, balancing power performance and reliability.

No.Part NumberSupply part numberDescription
138047183804718KIT,UPPER ENGINE GASKET
238049383804938KIT,LOWER ENGINE GASKET
330947166210-21-1491BUSHING
430945263094526SCREW,TWELVE POINT CAP
530929386215-31-3310SCREW,FRACTURE RESISTANT
630929396215-31-3330WASHER,PLAIN
738003633800363KIT,ENGINE PISTON
830925086210-41-4430SPRING,VALVE
930925096210-41-4440SPRING,VALVE
1030925106210-41-4510RETAINER,VALVE SPRING
1130925113092511GUIDE,VALVE SPRING
1230926086210-41-4530SEAL,VALVE STEM
1338048663804866KIT,INTAKE VALVE
1438048673804867KIT,EXHAUST VALVE
1530924616210-11-1321INSERT,VALVE
1630941596216-11-1330INSERT,VALVE
1730920146212-16-1440GUIDE,VALVE STEM
1830925076210-41-3120ROD,PUSH
1940687304068730SEAL,O RING
2030922543092254CLAMP,SPRING HOSE
2130922553092255HOSE,FLEXIBLE
2230931553093155SEAL,O RING
233918192C3918192WASHER,SEALING
2440278804027880KIT,TURBOCHARGER REPAIR
2530937783093778WASHER,PLAIN
263092114600-421-6630THERMOSTAT
2740678096150-41-5541SCREW,RKR LEVER ADJUSTING
2840678066210-41-5641SCREW,CROSSHEAD ADJUSTING
2930924086162-43-5630NUT,REGULAR HEXAGON
3040683086212-61-2112CORE,COOLER
3140683096150-61-2520SEAL,O RING
3230935983093598SCREW,BANJO CONNECTOR
3330922993092299SCREW,BANJO CONNECTOR
3430214203021420-20SOLENOID
3530879696216-81-4840HOSE,FLEXIBLE
363679139G3679139SEAL,O RING
373922794G3922794SEAL,O RING
383678912G3678912SEAL,O RING
3940678964067896TUBE,FUEL DRAIN
4042955984295598TUBE,FUEL DRAIN
414095189FS1006SEPARATOR,FUEL WATER
4230929946215-51-1702VALVE,BYPASS
4331003083100308-29RESISTOR,CORROSION
4430924943092494BREATHER,CRANKCASE
45309372507000-12016NFSEAL,O RING
4636339743063809-20CLAMP,T BOLT
4730922833092283WASHER,PLAIN
4830945213094521SCREW,TWELVE POINT CAP
4930945223094522SCREW,TWELVE POINT CAP
5049756175593523PUMP,FUEL TRANSFER
5130938793093879WASHER,PLAIN
52203518203518XWASHER,PLAIN
5330942883094288DIPSTICK
5442955844295584HOSE,FLEXIBLE
5549757044975704HOSE,FLEXIBLE
5649757124975712HOSE,FLEXIBLE
5749757134975713HOSE,FLEXIBLE
5840686544068654HOSE,PLAIN
59107981107981-20CAP,FILLER
60309381707000-73038SEAL,O RING
6130925386210-61-2520SEAL,O RING
62309381307000-73022SEAL,O RING
63309381107000-72018SEAL,O RING
6432015853201585SEAL,O RING
6530938086150-61-2520SEAL,O RING
6630941293094129SEAL,O RING
6730948183094818SEAL,O RING
6830943393094339SEAL,O RING
6933295363329536SEAL,O RING
70108172108172SEAL,O RING
7136307403630740SEAL,O RING
72155789155789-20HOSE,PLAIN
7330922533092253CLAMP,SPRING HOSE
7430923333092333HOSE,PLAIN
7549204174920417XCLAMP,HOSE
7643093316211-22-2220LINER,CYLINDER
774331005LF14000NNFILTER,LUBRICATING OIL
7849909154990915SCREW,BANJO CONNECTOR
7930939633093963SEAL,O RING
80309226207000-12110SEAL,O RING
8130922003092200SEAL,O RING
8230923996162-13-6440SEAL,THERMOSTAT
8330936296211-11-3131TUBE,INJECTOR FUEL SUPPLY
8430925806211-71-9770NUT,REGULAR HEXAGON
8530167873016792SEAL,OIL
8630933723093372TUBE,INJECTOR FUEL SUPPLY
8730933743093374TUBE,INJECTOR FUEL SUPPLY
8830933753093375TUBE,INJECTOR FUEL SUPPLY
8930936833093683TUBE,INJECTOR FUEL SUPPLY
9030933653093365TUBE,INJECTOR FUEL SUPPLY
9130936843093684TUBE,INJECTOR FUEL SUPPLY
9230933673093367TUBE,INJECTOR FUEL SUPPLY
9330933683093368TUBE,INJECTOR FUEL SUPPLY
9440678024067802TUBE,INJECTOR FUEL SUPPLY
9530933703093370TUBE,INJECTOR FUEL SUPPLY
9630936853093685TUBE,INJECTOR FUEL SUPPLY
9749249254924925SWITCH,PRESSURE
9830936243093624CLAMP,TUBE
9930926253092625CLAMP,TUBE
10030926263092626CLAMP,TUBE
10130949713094971HOSE,FLEXIBLE
10230949723094972HOSE,FLEXIBLE
10349757194975719HOSE,FLEXIBLE
10449757214975721HOSE,FLEXIBLE
10549756704975670TUBE,FUEL SUPPLY
10630925413092541WASHER,INJECTOR CLAMPING
10730933733093373TUBE,INJECTOR FUEL SUPPLY
10830927076215-11-6531TUBE,VENT
10930927093092709TUBE,VENT
11030927113092711TUBE,VENT
11140685814068581TUBE,FUEL DRAIN
11230935593093559ADAPTER,SPLINE
11330895853089585ELBOW,MALE UNION
11433318723331872-20ELBOW,MALE UNION
1153094343NUT,REGULAR HEXAGON
11633321363332136UNION,MALE
11730904003090400XUNION,MALE
11830921313092131TUBE,FUEL DRAIN
11930921303092130TUBE,FUEL SUPPLY
12049757234975723HOSE,FLEXIBLE
1213093434TUBE,FUEL DRAIN
12249757204975720HOSE,FLEXIBLE
12349757104975710HOSE,FLEXIBLE
12443847434384743HARNESS,WIRING
12543595725698567SENSOR,PRESSURE