The Cummins/Onan QSK50 engine line groups 4 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 130-6952-02 | Element, Air Cleaner | air_filter |
| 130-6952-04 | Element, Air Cleaner | air_filter |
| 140-1548 | Element, Air Cleaner | air_filter |
| 140-2052 | Element, Air Cleaner | air_filter |
| 140-2508-04 | Element, Air Cleaner | air_filter |
| 140-2508-06 | Element, Air Cleaner | air_filter |
| 140-3507-02 | Element, Air Cleaner | air_filter |
| 140-3947-02 | Element, Air Cleaner | air_filter |
| 140-3963 | Element, Air Cleaner | air_filter |
| 140-4250-02 | Element, Air Cleaner | air_filter |
| 140-4251-02 | Element, Air Cleaner | air_filter |
| 154-3254 | Element, Air Cleaner | air_filter |
| 154-3279-02 | Element, Air Cleaner | air_filter |
| 70781N | Primary Element Nelson | air_filter |
| 70782N | Safety Element Nelson | air_filter |
| A029T675 | Bracket, Air Filter | air_filter |
| A029T679 | Bracket, Air Filter | air_filter |
| A029X546 | Bracket, Air Filter | air_filter |
| A029X641 | Support, Air Filter | air_filter |
| A032X930 | Bracket, Air Filter | air_filter |
| A032X934 | Bracket, Air Filter | air_filter |
| A041L573 | Support, Air Cleaner | air_filter |
| A041L575 | Support, Air Filter | air_filter |
| A043L181 | Support, Air Filter | air_filter |
| AF25544 | Primary Element Fleetguard | air_filter |
| AF25545 | Safety Element Fleetguard | air_filter |
| 332-2770-01 | Lug, Solderless – P7 Alternator | alternator |
| 332-3653 | Lug, Solderless – MV7 Alternator | alternator |
| A026F165 | Belt, Fan | belt |
| A029R144 | Guard, Belt | belt |
| A029R145 | Guard, Belt | belt |
| A029R147 | Guard, Belt | belt |
| A029R148 | Guard, Belt | belt |
| A029R149 | Guard, Belt | belt |
| A029V053 | Guard, Belt | belt |
| A029V055 | Guard, Belt | belt |
| A029V056 | Guard, Belt | belt |
| A029V057 | Guard, Belt | belt |
| A029V140 | Belt, Fan | belt |
| A040G048 | Guard, Belt | belt |
| A040T159 | Guard, Belt | belt |
| A040Z117 | Guard, Belt | belt |
| A040Z215 | Guard, Belt | belt |
| 0526-0399-64 | Bracket, Fuel Filter | fuel_filter |
| 0800-3017-54 | Bracket, Fuel Filter | fuel_filter |
| 0821-6003-03 | Bracket, Fuel Filter | fuel_filter |
| 0870-2159 | Bracket, Fuel Filter | fuel_filter |
| A029J773 | Bracket, Fuel Filter | fuel_filter |
| A055Y819 | Bracket, Fuel Filter | fuel_filter |
| A056M330 | Bracket, Fuel Filter | fuel_filter |
| A056M334 | Bracket, Fuel Filter | fuel_filter |
| A056S669 | Bracket, Fuel Filter | fuel_filter |
| 0130-3684 | Gasket - With Flanges | gasket |
| 405-6460-12 | Gasket, Door | gasket |
| A026E970 | Gasket, Radiator | gasket |
| A029V015 | Gasket, Radiator | gasket |
| 0501-0744-03 | Hose | hose |
| 0502-1703 | *Adapter, Hose | hose |
| 0503-1675 | Hose, Reducer | hose |
| 0503-1726 | Hose, Radiator - With Flanges | hose |
| 0503-1728 | Hose, Radiator - With Flanges | hose |
| 0503-1872-05 | Clamp, Hose Without Flanges | hose |
| 0503-1872-09 | Clamp, Hose - With Flanges | hose |
| 0503-1872-14 | Clamp, Hose | hose |
| 501-0744-03 | Hose, Coolant | hose |
| 503-1484 | Elbow, Hose (45 Deg) (7" ID) | hose |
| 503-1705 | Hose, Hump | hose |
| 503-1721 | Hose, Hump | hose |
| 503-1726 | Hose, Radiator (5.00 x 7.00) − With Flanges | hose |
| 503-1728 | Hose, Radiator (3.00 x 7.00) − With Flanges | hose |
| 503-1870-12 | Clamp, Hose | hose |
| 503-1870-14 | Clamp, Hose | hose |
| 503-1870-16 | Clamp, Hose | hose |
| 503-1872-05 | Clamp, Hose | hose |
| 503-1872-09 | Clamp, Hose − With Flanges | hose |
| A026F057 | Clamp, Hose | hose |
| A026F059 | Clamp, Hose | hose |
| A026F204 | Clamp, Hose | hose |
| A026F206 | Clamp, Hose | hose |
| A026F208 | Clamp, Hose | hose |
| A026F213 | Hose, Rubber | hose |
| A026F216 | Hose, Rubber | hose |
| A026F222 | Hose, Rubber | hose |
| A026F225 | Hose, Rubber | hose |
| A029R129 | Hose, Coolant | hose |
| A029R312 | Hose, Vent | hose |
| A029R313 | Hose, Vent | hose |
| A029R314 | Hose, Vent | hose |
| A029R315 | Hose, Vent | hose |
| A029R316 | Hose, Vent | hose |
| A029V143 | Hose, Vent | hose |
| A029V144 | Hose, Vent | hose |
| A029V146 | Hose, Vent | hose |
| A034E526 | Clamp, Hose | hose |
| A034P381 | Hose, Inlet | hose |
| A041E801 | Hose, Flexible | hose |
| A041G481 | Fitting, Hose Connector | hose |
| A041L387 | Hose, Flexible | hose |
| A041L389 | Hose, Flexible | hose |
| A041L391 | Hose, Flexible | hose |
| A041L393 | Hose, Flexible | hose |
| A041N164 | Hose, Flexible | hose |
| A041N168 | Hose, Flexible | hose |
| A041N872 | Hose, Flexible | hose |
| A041W421 | Hose, Flexible | hose |
| A042S539 | Fitting, Hose Barb | hose |
| A042S547 | Hose, Flexible | hose |
| A042S549 | Hose | hose |
| A043B227 | Clamp, Hose | hose |
| A053A190 | Hose, Oil | hose |
| A058L485 | Hose, Inlet | hose |
| A058Z697 | Clamp, Hose | hose |
| A058Z944 | Hose, Flexible | hose |
| A059L502 | Hose, Flexible | hose |
| A059V641 | Hose, Oil | hose |
| A059V645 | Hose, Oil | hose |
| A059Y780 | Hose, Flexible | hose |
| A059Y833 | Hose, Breather | hose |
| A059Y834 | Hose, Flexible | hose |
| A060A891 | Hose, Flexible | hose |
| A060K102 | Hose, Flexible | hose |
| A060K108 | Hose, Flexible | hose |
| 0098-8075 | Label, Instruction (Ground) | other_service |
| 0098-8104-06 | Label, Warning | other_service |
| 0102-1335 | Plug, Oil Drain | other_service |
| 0130-7244-02 | Tube, Radiator - With Flanges | other_service |
| 0130-7270 | Spacer | other_service |
| 0140-1260 | Fitting, Filter | other_service |
| 0140-1548 | Filter, Air | other_service |
| 0140-2052 | Element, Replacement | other_service |
| 0140-2098 | Hood, Air Inlet | other_service |
| 0140-2099 | Element, Primary | other_service |
| 0140-2528 | Filter, Air | other_service |
| 0140-3230 | Filter, Air Primary Element Nelson 70781N Fleetguard AF25544 Safety Element Nelson 70782N Fleetguard AF25545 | other_service |
| 0140-3963 | Filter, Air Replacement Element - Nelson AF2559300 | other_service |
| 0155-2063-08 | Industrial - End Inlet | other_service |
| 0155-2064-08 | Residential - End Inlet | other_service |
| 0155-2065-08 | Critical - End Inlet | other_service |
| 0155-2340-03 | Industrial - Side Inlet | other_service |
| 0155-2341-03 | Residential - Side Inlet | other_service |
| 0155-2341-10 | Residential - Side Inlet | other_service |
| 0155-2342-03 | Crtical - Side Inlet | other_service |
| 0155-2342-10 | Crtical - Side Inlet | other_service |
| 0155-2696-05 | Critical - Middle Side Inlet | other_service |
| 0155-3289 | Clamp - With Flanges | other_service |
| 0155-3290 | Clamp - With Flanges | other_service |
| 0226-4978-01 | Lead | other_service |
| 0226-4978-02 | Lead | other_service |
| 0226-4978-03 | Lead | other_service |
| 0226-4978-04 | Lead | other_service |
| 0226-4978-05 | Lead | other_service |
| 0300-6315-02 | Display, Control | other_service |
| 0300-6366-02 | Display, Control | other_service |
| 0305-1009 | Suppressor, Voltage | other_service |
| 0306-1009 | Charger, Battery | other_service |
| 0307-2874 | Relay, Control | other_service |
| 0307-2968-04 | Relay, Power | other_service |
| 0307-3003-01 | Relay, Ground Fault | other_service |
| 0319-5877 | Brace, Cover | other_service |
| 0321-0321-04 | Fuse, Fast | other_service |
| 0321-0321-06 | Fuse, Fast | other_service |
| 0321-0321-07 | Fuse, Fast | other_service |
| 0321-0453 | Harness, Engine | other_service |
| 0323-2192-04 | Connector, Plug | other_service |
| 0327-1536 | Card, Input Output | other_service |
| 0327-1593 | Module, Alarm | other_service |
| 0327-1601-01 | Module, Alarm | other_service |
| 0332-0941 | Tie, Cable (Not Shown) | other_service |
| 0332-1356 | Clamp, Loop | other_service |
| 0332-1445 | Transformer, Differential Current − P7 | other_service |
| 0332-1794 | Tie, Cable | other_service |
| 0332-2262 | Transformer, Differential Current − P7 | other_service |
| 0332-2420 | Transformer, Differential Current − P7 | other_service |
| 0332-2744-06 | Standoff, Insulator | other_service |
| 0332-2878 | Transformer, Differential Current − P7 | other_service |
| 0332-2879-02 | Transformer, Differential Current − P7 | other_service |
| 0332-2879-08 | Rail, Terminal | other_service |
| 0332-3008 | Transformer, Differential Current − MV7 | other_service |
| 0332-3125-01 | Transformer, Differential Current − P7 | other_service |
| 0332-3126-01 | Transformer, Differential Current − P7 | other_service |
| 0332-3190 | Harness, Wiring (Bearing RTD) | other_service |
| 0332-4043 | Transformer, Current − P7 | other_service |
| 0332-4088 | Spacer | other_service |
| 0332-4106 | Mount, Cable Tie | other_service |
| 0332-4145 | Rail, Terminal Block | other_service |
| 0332-4320 | Panel, Control (Ground Fault) | other_service |
| 0338-4386 | Transformer, Current | other_service |
| 0338-4470 | Transformer, Current − P7 | other_service |
| 0403-6759-02 | Chassis | other_service |
| 0403-7163-02 | Chassis | other_service |
| 0406-0810 | Hinge | other_service |
| 0406-0930 | Latch, Door | other_service |
| 0488-0360-02 | Filter, Fuel − Duplex | other_service |
| 0501-0970-01 | Line, Fuel | other_service |
| 0501-0970-02 | Line, Fuel | other_service |
| 0502-0143 | Adapter, Reducing | other_service |
| 0502-1588 | Fitting, Tube Elbow | other_service |
| 0502-1592 | Fitting, Tube Elbow | other_service |
| 0503-0183 | Clamp | other_service |
| 0503-0970 | Filter, Air | other_service |
| 0503-1484 | Element, Safety | other_service |
| 0503-1717 | Element, Primary | other_service |
| 0503-1720 | Element, Safety | other_service |
| 0503-1721 | Hose, Hump | other_service |
| 0503-1872-11 | other_service | |
| 0503-1872-13 | other_service | |
| 0503-1872-16 | other_service | |
| 0505-0007 | *Bushing, Reducer | other_service |
| 0505-0023 | Bushing, Reducer | other_service |
| 0508-1057 | Harness, Wiring (Winding RTD) | other_service |
| 0517-0131 | Plug, Hole | other_service |
| 0517-0135 | Plug, Hole | other_service |
| 0517-0138-08 | Plug, Hole | other_service |
| 0518-0515 | Transformer, Current − P7 | other_service |
| 0518-0548-02 | Harness, Engine | other_service |
| 0518-0548-15 | Harness, Wiring (Winding RTD) | other_service |
| 0518-0548-22 | Harness, AC − MV7 | other_service |
| 0518-0548-25 | Harness, AC − P7 | other_service |
| 0518-0548-35 | Harness, Accessories | other_service |
| 0518-0548-46 | Harness, Alternating Current | other_service |
| 0518-0548-58 | Harness, Accessories | other_service |
| 0520-2651-01 | Transformer, Current − P7 | other_service |
| 0526-0009 | Harness, AC − P7 | other_service |
| 0526-0011 | Harness, Alternating Current | other_service |
| 0526-0100 | Box, Terminal | other_service |
| 0526-0399-22 | other_service | |
| 0526-0399-56 | Card, Control | other_service |
| 0526-0399-58 | Control, Genset | other_service |
| 0526-0399-59 | Control, Genset | other_service |
| 0526-0399-62 | Washer, Flat | other_service |
| 0526-0399-63 | Washer, Flat | other_service |
| 0526-0449 | Shield, Heat | other_service |
| 0526-0451 | Box, Terminal | other_service |
| 0526-2060 | Card, Control | other_service |
| 0526-2140 | Box, Control Mounting | other_service |
| 0800-0003 | Box, Terminal - Components | other_service |
| 0800-0054 | Harness, Accessories | other_service |
| 0800-0088 | Screw, Hex Head | other_service |
| 0800-0093 | Screw, Hex Head | other_service |
| 0800-0094 | Screw, Hex Head | other_service |
| 0800-0095 | Box, Terminal | other_service |
| 0800-0096 | Link, Neutral | other_service |
| 0800-0152 | Shield, Heat | other_service |
| 0800-0310-50 | other_service | |
| 0800-2059 | Harness, Alternating Current | other_service |
| 0800-2060 | Screw, Hex Head | other_service |
| 0800-2061 | Transformer, Current − P7 | other_service |
| 0800-2075 | Transformer, Current − P7 | other_service |
| 0800-2112 | Box, Control Mounting | other_service |
| 0800-2114 | Screw, Hex Head | other_service |
| 0800-3017-24 | Housing, Terminal - P7 - No Control | other_service |
| 0800-3017-38 | Regulator, Oil Maintainer | other_service |
| 0800-3017-39 | Screw, Hex Head | other_service |
| 0815-0793-02 | Module, Alarm | other_service |
| 0815-0793-05 | Card, Input Output | other_service |
| 0815-0793-07 | Module, Alarm | other_service |
| 0815-0947 | Panel, Ancillaries | other_service |
| 0815-0949 | Panel, Ancillaries | other_service |
| 0819-1154 | Card, Control | other_service |
| 0819-1161-01 | other_service | |
| 0821-2020 | Control, Genset | other_service |
| 0821-6001-01 | Module, Alarm | other_service |
| 0821-6001-02 | Harness, Wiring (Winding RTD) | other_service |
| 0821-6001-03 | Box, Terminal - P7 - Circuit Breaker Box | other_service |
| 0821-6002-02 | Screw, Hex Head | other_service |
| 0821-6003-01 | Harness, Accessories | other_service |
| 0821-6003-02 | Screw, Hex Head | other_service |
| 0821-6004-01 | Harness, Wiring (Winding RTD) | other_service |
| 0823-0002-06 | Module, Alarm | other_service |
| 0823-1001-03 | Card, Control | other_service |
| 0850-0030 | other_service | |
| 0850-0040 | Box, Terminal - Components | other_service |
| 0850-0079 | other_service | |
| 0850-2003 | Charger, Battery | other_service |
| 0850-2012 | Box, Control Mounting | other_service |
| 0851-0023 | Box, Terminal | other_service |
| 0851-0048-01 | Washer, Belleville | other_service |
| 0851-0048-02 | Washer, Beleville (M10) | other_service |
| 0851-0048-03 | Washer, Belleville | other_service |
| 0853-0040-53 | Control, Genset | other_service |
| 0853-0040-56 | Box, Control Mounting | other_service |
| 0853-2005 | Harness, Wiring (Winding RTD) | other_service |
| 0853-2008 | Harness, Wiring (Winding RTD) | other_service |
| 0856-0008 | Output Box Panel | other_service |
| 0860-2053 | Panel, Ancillaries | other_service |
| 0862-0016 | Box, Terminal | other_service |
| 0862-0026-07 | Nut, Hex | other_service |
| 0862-0026-51 | Charger, Battery | other_service |
| 0862-0026-52 | Control, Genset | other_service |
| 0862-0026-53 | Housing, Terminal - P7 - No Control | other_service |
| 0862-0026-54 | Control, Genset | other_service |
| 0862-0026-56 | Regulator, Oil Maintainer | other_service |
| 0870-2044 | Nut, Weld (Not Shown) | other_service |
| 0870-2062 | Harness, AC − P7 | other_service |
| 0870-2065-01 | Housing, Terminal - P7 - No Control | other_service |
| 0870-2065-02 | Nut, Hex Flange | other_service |
| 0870-2065-03 | Transformer, Current − P7 | other_service |
| 0870-2272 | Kit, Ground Fault − Local CT for 4−Pole Transfer Switch | other_service |
| 098-2304-01 | Labels | other_service |
| 098-4500 | Labels | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.