The Cummins/Onan KTA50-G2 is a 50.3 L turbocharged - aftercooled engine rated at 1800 rpm. It powers generator sets from Cummins/Onan and Katolight, including the 1100DFLB, D1100FJZ4, D1100FNZ4 and D1100FPZ4.
Also known as: Cummins KTA50-G2, KTA50-G2
Part of the Cummins/Onan KTA50 engine family — 16 variants share parts & fitment.
| Displacement | 50.3 L |
|---|---|
| Aspiration | Turbocharged - Aftercooled |
| Rated speed | 1800 rpm |
Shared across brands: Cummins/Onan, Katolight
How to read your Cummins/Onan engine serial & model number →
Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan KTA50-G2.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 140-2097 | Amazon eBay FridayParts $856.89 | |||
| Oil filter | 3-18-24 | — | |||
| Battery | Qty. 4 EXIDE 8D's (0 VDC), install date 8/21 | — | |||
| Belt | Good condition | — | |||
| Coolant | -40F | — | |||
| Oil | NEW 3-18-24 | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 277/480 | 3 | 6 lead | Generator end is NOT 12 lead reconnectable; 6 Lead |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| 140-2096 | Element, Primary (Outer) | Air filter |
| 140-2098 | Air Cleaner - Throwaway Type | Air filter |
| 140-2467 | Element, Safety (Inner) | Air filter |
| 140-2501 | Cleaner, Air (Disposable) | Air filter |
| 140-2502 | Band, Mounting – Air Cleaner | Air filter |
| 140-2503 | Bracket, Mounting | Air filter |
| 140-3163 | Cleaner, Air (No Replaceable Element) | Air filter |
| 140-3230 | Cleaner, Air (Includes Elements - See Ref. No. 25 and 26) | Air filter |
| 309-0272 | Regulator, Voltage - 24 VDC (Used on 35 A MP Alternator) | Alternator |
| 309-0561 | Alternator & Drive Components Group Pulley. Alternator - Multi Groove (Use with 35 A MP Alternator) | Alternator |
| 503-1743-01 | Alternator & Orive Components Group Pulley, Alternator - Multi Groove (Use with 35 AMP Alternator) | Alternator |
| 206587 | CAP, MAIN BEARING | Bearing cap |
| 206588 | CAP, MAIN BEARING | Bearing cap |
| 98-5347 | Decal - Caution Fan Drive & Lube Components Group Belt. | Belt |
| 106069 | SCREW, HEXAGON HEAD CAP | Bolt |
| 205584 | SCREW, TWELVE POINT CAP | Bolt |
| 206028 | SCREW, SOCKET HEAD CAP | Bolt |
| 3032633 | SCREW, TWELVE POINT CAP | Bolt |
| 3177945 | SCREW, HEX FLANGE HEAD CAP | Bolt |
| 3628452 | SCREW, HEXAGON HEAD CAP | Bolt |
| S-112 | SCREW, HEXAGON HEAD CAP | Bolt |
| 205684 | BRACKET, LIFTING | Bracket lifting |
| 205230 | BUSSING | Bushing |
| 0300-4623-29 | DFLB (600V) | Current transformer |
| 0300-4623-30 | DFLC (600V) | Current transformer |
| 0300-4623-52 | DFLB BR (0-480V) | Current transformer |
| 0300-4623-54 | DFLC BR (0-480V) | Current transformer |
| 3178803 | CYLINDER BLOCK OPTION BP6089 | Cylinder block |
| 3178910 | CYLINDER BLOCK | Cylinder block |
| 148582 | DOE, PIN | Dowel pin |
| 70662 | DOE, PIN | Dowel pin |
| 3629497 | DRAINCOCK | Draincock |
| 206224 | PLUG, EXPANSION | Expansion plug |
| 206742 | PLUG, EXPANSION | Expansion plug |
| 3629168 | PLUG, EXPANSION | Expansion plug |
| 122-0757 | Filter. Water - W/Corosion Inhibiting Chemical | Filter |
| 159-1445 | Reservoir, Fuel | Fluid |
| FS1216 | Fuel/Water Sep Spin-On | Fuel filter |
| 121-0113 | Gasket, Pump | Gasket |
| 121-0117 | Gasket, Hand Hole | Gasket |
| 205059 | WASHER, PLAIN | Gasket |
| 3002993 | DOE, RING | Gasket |
| 3025485 | WASHER, PLAIN | Gasket |
| 3176857 | DOE, RING | Gasket |
| 3178450 | WASHER, PLAIN | Gasket |
| 3178457 | WASHER, PLAIN | Gasket |
| M-4352581 | Upper Gasket Set | Gasket |
| S-604 | WASHER, LOCK | Gasket |
| S-610 | WASHER, LOCK | Gasket |
| 338-2529 | Harness. Wiring | Harness |
| 128-0108 | Insulation, Hose – Bulk (Order By The Foot – 12 Feet Required) | Hose |
| 130-3538 | Chemical DCA4 Service Pre-Charging Complete System | Hose |
| 130-3576 | Clamp, Hose | Hose |
| 130-5588-02 | Tube, Water Heater | Hose |
| 130-5589-02 | Tube, Water Heater | Hose |
| 130-5590-02 | Tube, Water Heater | Hose |
| 130-5591-02 | Tube, Water Heater | Hose |
| 338-2925 | Hose, Radiator | Hose |
| 501-0704 | Line, Flexible Fuel - Fuel Out | Hose |
| 501-0707 | Line, Flexible Fuel - Fuel In | Hose |
| 502-1162 | Connector, Hose (3/8") | Hose |
| 503-0183 | Clamp, Hose | Hose |
| 503-0685 | Clamp, Hose | Hose |
| 503-0868 | Clamp, Hose - T-Bolt Type (3.5" NON) | Hose |
| 503-1140 | Hose, Rubber | Hose |
| 503-1484 | Elbow, Hose (45 Deg) (7" ID) | Hose |
| 503-1620 | Hose – Bulk (3/8" ID) (Order by the Foot) | Hose |
| 503-1727 | Hose, Radiator (3” ID x 10”) | Hose |
| 503-1728 | Hose (3” ID x 5–1/2”) | Hose |
| 503-1870-11 | Clamp, Hose | Hose |
| 503-1870-12 | Clamp, Hose | Hose |
| 505-0324 | Hose. Bulk (Sold by the Foot) Two Feet Required Nipple, Pipe - Half (3/4 NPT x 2"LG) | Hose |
| 518-0548-24 | Clamp, Hose | Hose |
| 98-5759 | Drive - Multi Groove Hose, Flexible - Lube (Grease) | Hose |
| 98-5842 | Clamp, Hose - T-Bolt Type (3.5" NON) | Hose |
| 3375004 | Dial Indicator Kit for injector and valve adjustment | Injector |
| 3822575 | Injector and valve adjustment kit | Injector |
| 3011884 | INSERT, LINER | Insert liner |
| 3019150 | INSERT, LINER | Insert liner |
| 3021148 | INSERT, LINER | Insert liner |
| 206580 | BEARING, MAIN | Main bearing |
| 206581 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Upper | Main bearing |
| 206582 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Upper | Main bearing |
| 206583 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Upper | Main bearing |
| 206584 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Upper | Main bearing |
| 206590 | BEARING, MAIN | Main bearing |
| 206591 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Lower | Main bearing |
| 206592 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Lower | Main bearing |
| 206593 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Lower | Main bearing |
| 206594 | BEARING, MAIN A/R No.2,3,4,5,6,7,&8, Lower | Main bearing |
| 206600 | BEARING, MAIN | Main bearing |
| 206601 | BEARING, MAIN A/R No.1&9, Upper | Main bearing |
| 206602 | BEARING, MAIN A/R No.1&9, Upper | Main bearing |
| 206603 | BEARING, MAIN A/R No.1&9, Upper | Main bearing |
| 206604 | BEARING, MAIN A/R No.1&9, Upper | Main bearing |
| 206610 | BEARING, MAIN | Main bearing |
| 206611 | BEARING, MAIN A/R No.1&9, Lower | Main bearing |
| 206612 | BEARING, MAIN A/R No.1&9, Lower | Main bearing |
| 206613 | BEARING, MAIN A/R No.1&9, Lower | Main bearing |
| 206614 | BEARING, MAIN A/R No.1&9, Lower | Main bearing |
| 3018210 | SET, MAIN BEARING STANDARD | Main bearing set |
| 3018211 | SET, MAIN BEARING A/R .010 Inch O/S | Main bearing set |
| 3018212 | SET, MAIN BEARING A/R .020 Inch O/S | Main bearing set |
| 3018213 | SET, MAIN BEARING A/R .030 Inch O/S | Main bearing set |
| LF3325 | Full-flow spin-on lubricating oil filter element | Oil filter |
| 016-40820 | Harness, Wiring (Includes Cable Ties and Terminals) | Service part / kit |
| 102-1335 | Plug, Oil Drain | Service part / kit |
| 121-0116 | Cover, Hydraulic Hole | Service part / kit |
| 130-2981 | Cap. Radiator - 7#PSI | Service part / kit |
| 130-3758 | Radiator (includes Cap) | Service part / kit |
| 140-1260 | Fitting, Safety Filter | Service part / kit |
| 140-1548 | Indicator, Service | Service part / kit |
| 140-2097 | Cleaner, Air (Includes Elements) | Service part / kit |
| 140-2099 | Band | Service part / kit |
| 140-2395 | Tube, Air Inlet | Service part / kit |
| 140-2504-01 | Bracket - Right Side | Service part / kit |
| 140-2504-02 | Bracket - Left Side | Service part / kit |
| 140-2508 | Tube, Air Inlet (7" x 9" - 3/4") | Service part / kit |
| 140-2509 | Tube, Air Inlet | Service part / kit |
| 140-2515 | Bracket, Mounting | Service part / kit |
| 140-2519 | Tube, Air Inlet | Service part / kit |
| 140-2521 | Tube, Air Inlet | Service part / kit |
| 140-2528 | Shield – Air In Heat | Service part / kit |
| 300-2856 | Board Assy, Printed Circuit | Service part / kit |
| 300-2863 | Board Assy, Printed Circuit - Relay Assembly- (A14) | Service part / kit |
| 3007525 | (3022157) KIT, LINER LINER, CYLINDER | Service part / kit |
| 301-9054-01 | Decal - Panel Front Markings (Control With Meters) | Service part / kit |
| 301-9054-02 | Clip - Fastener | Service part / kit |
| 301-9054-03 | Clip - Fastener | Service part / kit |
| 3012611 | CYLINDER LINER (O/S) KIT, LINER A/R .020 inch O/S | Service part / kit |
| 3012612 | CYLINDER LINER (O/S) KIT, LINER A/R .030 Inch O/S | Service part / kit |
| 302-1720 | Meter, Frequency (M23) | Service part / kit |
| 302-1753 | Ammeter (M22) See Current Transformer & Ammeter Installation Figure for Parts) | Service part / kit |
| 302-1800 | Ammeter (M22) Scale in Amps as Indicated 0-2000/0-4000 (600 VAC Application) 0-3000/0-6000 (120-480 VAC Application) | Service part / kit |
| 302-1908 | Screw. Cap - Hex Head (M8-1.25 x 35MM) | Service part / kit |
| 305-0813-01 | Battery charger, Onan, 120V, 375W | Service part / kit |
| 305-0818-02 | EOOO-21002 | Service part / kit |
| 307-1056 | Relay. 24 VDC | Service part / kit |
| 307-1987 | 2 307-1056 3 3 815-0388 6 4 323-0804 3 5 815-0544 3 6 319-0447 1 7 NOTE 1 REF 8 NOTE 2 | Service part / kit |
| 308-0882 | Decal - Panel Front Markings (Control Without Meters) | Service part / kit |
| 309-0436 | Decal - Model Identification ONAN GEN SET CUMMINS GEN SET CUMMINS ONAN GEN SET | Service part / kit |
| 309-0437 | (222"F) | Service part / kit |
| 309-0635-02 | Valve, Check | Service part / kit |
| 3096680 | Piston STC 13.8:1 Ratio | Service part / kit |
| 3096681 | Piston KT Series 15.5:1 Ratio | Service part / kit |
| 3096682 | Piston KTA Series 14.5:1 Ratio | Service part / kit |
| 3096683 | Piston 13.5:1 Ratio | Service part / kit |
| 3096684 | Piston KTA 15.7:1 Ratio | Service part / kit |
| 3096685 | Piston STC 13.9:1 Ratio | Service part / kit |
| 319-0447 | Screw. Machine - Pan Head. Cross-Recessed Drive (#6-32 x 1/2") | Service part / kit |
| 319-0754 | Tie. Cable | Service part / kit |
| 322-0363 | Component 322-0363 | Service part / kit |
| 323-0804 | Screw. Machine - Round Head with IT Lock Washer (#6-32 x 1/2") | Service part / kit |
| 323-1200 | # Socket, Contact (Used in J1, J2) | Service part / kit |
| 323-1304 | tiotming, Umector | Service part / kit |
| 323-1306 | Genset component (SJB series) | Service part / kit |
| 3318201 | Battery Cable Group | Service part / kit |
| 332-0052 | Clamp, Loop | Service part / kit |
| 332-0607 | Block, Terminal (T81) | Service part / kit |
| 332-1279 | Terminal. Lug - Ring (3/8 | Service part / kit |
| 332-1292 | Terminal Board (Includes Parts Marked #) | Service part / kit |
| 332-1445 | Tie, Cable 18 98-5219 1 Decal - Panel Front (Not I l l u s t r a t e d ) 19 98-5220 1 Decal | Service part / kit |
| 332-1673 | Terminal, Wire - Spade | Service part / kit |
| 332-2634 | Clamp, Hose | Service part / kit |
| 332-2723 | Strip. Marker | Service part / kit |
| 333-0677-01 | Heater, Coolant - 4990 Watt | Service part / kit |
| 333-0677-02 | Heater, Coolant - 6420 Watt | Service part / kit |
| 3375005 | Dial indicator extension | Service part / kit |
| 3375007 | Support Plate / Support Block for dial indicator | Service part / kit |
| 338-1835 | Harness, Wiring (A13 to A l l ) | Service part / kit |
| 338-1836 | Harness, Wiring (A14 to All) (Relays) | Service part / kit |
| 338-1904 | Harness. Wiring (A15 to All) | Service part / kit |
| 338-2278 | Harness. Wiring - AC (Includes Terminal Block & Cable Ties) [Used only with meters] | Service part / kit |
| 338-2532 | Terminal. Lug - Forked (No. 6 Screw) | Service part / kit |
| 355-0093 | Voltmeter (M21) Dual Scale 0-300/0-600V Single Scale 0-750V | Service part / kit |
| 3628731 | Piston STC Kit | Service part / kit |
| 3630913 | Piston KTA-50-G7 | Service part / kit |
| 3631241 | Piston Kit STC 13.9:1 Ratio | Service part / kit |
| 3631242 | Piston Kit 13.5:1 Ratio | Service part / kit |
| 3631243 | Piston Kit KTA 15.7:1 Ratio | Service part / kit |
| 3631244 | Piston Kit KTA Series 14.5:1 Ratio | Service part / kit |
| 3631245 | Piston Kit KT Series 15.5:1 Ratio | Service part / kit |
| 3631246 | Piston Kit STC 13.8:1 Ratio | Service part / kit |
| 3801268 | CYLINDER LINER (O/S) KIT, LINER A/R .040 Inch O/S | Service part / kit |
| 3803530 | Piston Assembly STC | Service part / kit |
| 3804747 | Piston Kit KTA-50-G7 | Service part / kit |
| 3804885 | Piston KTA-50-G8/G9 | Service part / kit |
| 406-0333 | Component 406-0333 | Service part / kit |
| 406-0334 | Clip, Retaining - Turnbutton Fastener | Service part / kit |
| 4089847 | Piston Kit GTA38/19 | Service part / kit |
| 4090013 | Piston Kit KTA-38-M2 | Service part / kit |
| 4090029 | Piston Kit QSK19CE | Service part / kit |
| 4090181 | Piston GTA38/19 | Service part / kit |
| 4097889 | Piston KTA-38-M2 | Service part / kit |
| 4910463 | Piston QSK19R/M | Service part / kit |
| 4910465 | Piston QSK Series | Service part / kit |
| 4916177 | Piston GTA/GQSK19 | Service part / kit |
| 4918058 | Piston QSK19CE | Service part / kit |
| 4922319 | Piston QSK19C | Service part / kit |
| 4955233 | Piston Kit QSK19R/M | Service part / kit |
| 4955235 | Piston Kit QSK Series | Service part / kit |
| 4955236 | Piston Kit QSK19C | Service part / kit |
| 4955238 | Piston Kit GTA/GQSK19 | Service part / kit |
| 501-0520 | Screw, Cap - Hex Head (3/8-24 x 5/8") | Service part / kit |
| 501-0524 | Washer, Lock - EIT (3/8") | Service part / kit |
| 501-0558 | Line. Flexible - Bypass | Service part / kit |
| 503-1717 | Elbow, Reducer (45 Deg) (7" ID to 6" ID) | Service part / kit |
| 503-1720 | Insert, Reducer (6" OD to 5-1/2" ID) | Service part / kit |
| 503-1730 | 503-0183 21 503-1731 22 505-0324 23 504-0171 24 505-0102 25 505-0132 26 505-0102 27 28 29 | Service part / kit |
| 504-0028 | Valve, Radiator Drain | Service part / kit |
| 505-0007 | Belt. Drive - Multi Groove (Used with 35 A MP Alternator * Pulley, Alternator - Multi Groove (Use with 75 A MP Alternator) | Service part / kit |
| 505-0017 | Bushing, Pipe – Reducer (3/8" to 1/4") | Service part / kit |
| 505-0021 | Bushing, Pipe - Reducer (3/4º to 1/2º) | Service part / kit |
| 505-0100 | Nipple, Pipe - Close (1/2”) | Service part / kit |
| 505-0102 | Filter. Water - W/Corosion Inhibiting | Service part / kit |
| 505-0117 | Bushing, Reducer - Flush, Brass (1/2' NPT x3/8° NPT) | Service part / kit |
| 505-0132 | Nipple, Pipe - Close (3/4 NPT x l-3/8"LG) Elbow. Pipe - 90* (3/4 NPT) | Service part / kit |
| 505-0376 | Elbow – 45 Deg (3/8") | Service part / kit |
| 508-0015 | Washer, Insulating - Fiber (#8) | Service part / kit |
| 511-0161-02 | .* | Service part / kit |
| 517-0131 | Capacitor (Used across Voltmeter Terminals on some Sets) | Service part / kit |
| 518-0548-42 | Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper) | Service part / kit |
| 526-0030 | Washer, Flat (3/8") | Service part / kit |
| 800-0055 | Screw, Cap – Hex Head (3/8–16 x 2-1/4") | Service part / kit |
| 800-0062 | Nut, Insulated | Service part / kit |
| 800-0094 | Screw, Cap – Hex Head (1/2–13 x 2") | Service part / kit |
| 800-0270 | DCA4 Service Pre-Charging Complete System | Service part / kit |
| 800-2060 | Screw, Cap - Hex Head (M8x 1.25 x35) | Service part / kit |
| 809-0035 | Screw, Machine - Thread Cutting, Round Head (#8 X 3/4') | Service part / kit |
| 812-0063 | 853-0003 300-2856 338-1836 812-0063 853-0003 300-2863 338-1835 332-1445 NOTE 1 NOTE 2 332 | Service part / kit |
| 812-0065 | Screw, Machine - Round Head (#6 - 32 x 5/8') | Service part / kit |
| 812-0084 | Screw. Machine - Round Head ( | Service part / kit |
| 815-0388 | Bracket. Mounting - Relay Lead(s), Electrical Wire, Electrical - 20 AW G, Insulated Terminal, Wire - Forked, 18-20 Gauge | Service part / kit |
| 815-0544 | Screw, Machine - Round Head IT Washer (#6 - 32 x 1/2') | Service part / kit |
| 821-0004 | Screw, Self-Locking - Hex | Service part / kit |
| 821-0029 | Screw, Self–Locking – Hex Washer Head (3/8–16 x 3/4") | Service part / kit |
| 821-0033 | Screw, Self–Locking – Hex Washer Head (7/16–14 x 3/4") | Service part / kit |
| 821-5004-03 | Screw, Self-Locking – Hex Washer Head (3/8–16 x 1") | Service part / kit |
| 850-0050 | Washer, Lock - Spring (3/8”) | Service part / kit |
| 853-0003 | Washer, Lock - ET (#6) | Service part / kit |
| 856-0008 | Washer, Lock - EIT (5/16'1) | Service part / kit |
| 856-0010 | Washer, Lock - EIT (3/8') | Service part / kit |
| 870-0131 | Nut. Hex - with ET (#10-32) | Service part / kit |
| 870-0196 | Nut, Insulating (#8) | Service part / kit |
| 870-0281 | Nut, Self-Locking – Hex Washer Head (3/8–16) | Service part / kit |
| 900-0181 | PCC Control Service Manual | Service part / kit |
| 903-0128 | NA | Service part / kit |
| 903-0208 | NA | Service part / kit |
| 903-0608 | NA | Service part / kit |
| 98-4732 | Caution | Service part / kit |
| 98-4798 | Decal - Caution "7# PSI HOT WATER SYSTEM" | Service part / kit |
| 98-5298 | Decal - Panel Rear Markings (All Control Panels) | Service part / kit |
| 98-5299 | Decal - Panel Rear Markings (All Control Panels) | Service part / kit |
| 98-5316 | Decal - Panel Rear Markings (All Control Panels) | Service part / kit |
| 98-5387 | Nut, Self-Locking - with ET Lockwasher (#10-32) | Service part / kit |
| 98-5393 | Screw, Tapping - Round Head (#8 x 3/4") | Service part / kit |
| 98-5822 | Bushing, Reducer - Flush (1/2 NPT x 3/8 NPT) | Service part / kit |
| 98-6108-03 | Decal - Model Identification | Service part / kit |
| 98-6111-03 | ONAN GEN SET CUMMINS GEN SET | Service part / kit |
| 98-6139-03 | CUMMINS ONAN GEN SET | Service part / kit |
| 98-6169 | Terminal Assembly (Includes Replaceable Items 26 thru 29) | Service part / kit |
| F-2375 | A single line drawing of the prime power system | Service part / kit |
| M-3804747 | Piston Kit | Service part / kit |
| 68445 | PIN, GROOVE | Pin |
| 3628605 | PLUG, PIPE | Pipe plug |
| 3628607 | PLUG, PIPE | Pipe plug |
| 3178464 | PLATE, COVER | Plate cover |
| 121-0111 | Drive, Pump | Pump |
| 159-1451 | Pump, Fuel Transfer | Pump |
| 3011076 | SEAL, D RING | Seal |
| 3014668 | SEAL, D RING | Seal |
| 3081489 | SEAL, OIL | Seal |
| 3177556 | SEAL, RECTANGULAR RING | Seal |
| 508-0292 | Washer, Sealing - Copper | Seal |
| 509-0283-01 | Seal | Seal |
| 509-0336 | Seal, O-Ring | Seal |
| 509-0337 | Seal, O-Ring | Seal |
| 193-0244 | Sender, Pressure - 0i1 | Sensor |
| 193-0375 | # Sender, Water Temperature | Sensor |
| 309-0269 | Sender, Temperature-Lo Engine | Sensor |
| 960-0181 | Service manual | Service manual |
| 960-0302 | Service manual | Service manual |
| 960-0504 | PCC Control Service Manual | Service manual |
| 960-0507 | Detector Control Service Manual | Service manual |
| 3033853 | SHAFT, IDLER | Shaft idler |
| 3175281 | SHAFT, IDLER | Shaft idler |
| 205741 | SHIM, A/R .007 Inch O/S | Shim |
| 205742 | SHIM, A/R .008 Inch O/S | Shim |
| 205743 | SHIM, A/R .009 Inch O/S | Shim |
| 205744 | SHIM, A/R .020 Inch O/S | Shim |
| 205745 | SHIM, A/R .031 Inch O/S | Shim |
| 149-2232 | Starter - 24 VDC | Starter |
| 3000138 | SUPPORT, BEARING | Support bearing |
| 309-0649 | Thermostat (Includes Connector Socket) (S11) | Thermostat |
| 3000139 | BEARING, THRUST | Thrust bearing |
| 3001708 | BEARING, THRUST A/R .010 Inch O/S | Thrust bearing |
| 3001709 | BEARING, THRUST A/R .020 Inch O/S | Thrust bearing |
| 3001710 | BEARING, THRUST A/R .030 Inch O/S | Thrust bearing |
| 3001711 | BEARING, THRUST A/R .040 Inch O/S | Thrust bearing |
| 3179664 | VALVE, PISTON COOLING | Valve piston cooling |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan KTA50-G2 has a displacement of 50.3 liters.
The Cummins/Onan KTA50-G2 powers 5 generator set(s), including Cummins/Onan 1100DFLB, Katolight D1100FJZ4, Katolight D1100FNZ4, Katolight D1100FPZ4, Katolight D1100FRZ4.
A commonly reported issue on generators using the Cummins/Onan KTA50-G2 is: Over Current.