Suburban SF-42F Furnace Parts Diagram & OEM Parts List
Use this Suburban SF42F 42,000 BTU ducted furnace parts breakdown to identify replacement cabinet parts, duct collars, thermostats, electrodes, gas valves, burners, motors, sail switches, ignition modules, blower wheels, gaskets, vent parts and other OEM RV furnace service parts.
View illustrated replacement parts ↓
Suburban SF42F Cabinet, Thermostat & Duct Parts

| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 1 | 101242 | 1 | CABINET, FRONT, 3 - HOLE |
| 2 | 161154 | 1 | THERMOSTAT, WALL (WHITE) |
| 5 | 101894 | 1 | CABINET ASSY |
| 6 | 50733 | 1 | COVER, DUCT |
| 7 | 50715 | 1 | DUCT COLLAR, 4 IN. |
Suburban SF42F Burner, Gas Valve & Manifold Parts

| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 9 | 171596 | 1 | MANIFOLD ASSY |
| 11 | 180216 | 1 | ORIFICE #49 (LP GAS ONLY) |
| 11 | 180309 | 1 | ORIFICE #50 METRIC THREADS - Above Serial# 021206467 |
| 12 | 70811 | 1 | GASKET, BURNER ACCESS |
| 12 | 525010 View photo | 1 | SERVICE. KIT, GASKET, BURNER, ACCESS COVER |
| 12 | 71263 | 1 | GASKET, BURNER ACCESS COVER - Above Serial# 094101431 |
| 12 | 525031 View photo | 1 | SERVICE KIT, GASKET BURNER ACCESS COVER - Above Serial# 094101431 |
| 13 | 121704 | 1 | PLATE, TINNERMAN |
| 14 | 63198 | 1 | PLATE, SECONDARY (BACK) |
| 15 | 121651 | 1 | SCREW 8-18 X 1/2 |
| 16 | 62933 | 1 | PLATE, SECONDARY AIR (FRONT) |
| 19 | 62935 | 1 | PLATE, SECONDARY AIR, BOTTOM |
| 20 | 232286 | 1 | ELECTRODE, SINGLE PROBE W/ WIRE (L SHAPE) - Above Serial No 934701426 Ending Serial No 210651046 |
| 20 | 525009 | 1 | SERVICE KIT, ELECTRODE W/GROMMET (L SHAPE) - Above Serial No 934701426 Ending Serial No 210651046 |
| 20 | 233306 | 1 | ELECTRODE & WIRE ASSY (STRAIGHT) - Above Serial No 210651046 |
| 20 | 525051 | 1 | SERVICE KIT ELECTRODE, STRAIGHT - Above Serial No 210651046 |
| 23 | 10799 | 1 | BURNER ASSY, MAIN |
| 24 | 70963 | 1 | GROMMET |
| 26 | 161122 | 1 | GAS VALVE, 3/8 INLET NPT X 3/8 INVERTED OUTLET - Above Serial# 971303163 |
| 26 | 161133 | 1 | GAS VALVE, 3/8 INLET NPT X 3/8 INVERTED OUTLET - Below Serial# 921403846 |
| NS | 521074 | 1 | SOLENOID KIT FOR WHITE RODGERS VALVES |
| NS | 521075 | 1 | SOLENOID KIT FOR SEVEN UNIVERSE VALVES |
| 27 | 171576 | 1 | PIPE ASSY, GAS INLET |
| 28 | 62180 | 1 | CLAMP, WIRE |
Suburban SF42F Vent, Motor, Blower & Ignition Parts

| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 31 | 260231 View photo | 1 | VENT CAP & EXHAUST TUBE ASSY |
| 31A | 280552 | 1 | RAIN SHIELD |
| 32 | 51249 | 1 | VENT TUBE ASSEMBLY INTAKE |
| 34 | 390852 | 1 | COMBUSTION AIR HOUSING (FRONT) |
| 35 | 121929 | 5 | SCREW, #8 - 18 X 2 1/4 |
| 36 | 121928 | 7 | SCREW 6-19 X 1/2 PH PH |
| 37 | 390848 | 1 | COMBUSTION AIR HOUSING (REAR) |
| 38 | 350183 | 1 | WHEEL, COMBUSTION AIR |
| 39 | 71084 | 1 | GASKET, FIREWALL COMBUSTION AIR |
| 40 | 232212 | 1 | MOTOR SF 42/42F 2 1/2 IN DIAM USE 233103 - BELOW SERIAL NUMBER: 012305199 |
| 40 | 233103 | 1 | MOTOR, 2 1/2 IN DIAM - BELOW SERIAL NUMBER: 012305199 |
| 40 | 232683 | 1 | MOTOR ASSY, 3 IN DIIAM W/GASKET - ABOVE SERIAL NUMBER 012305199 |
| 41 | 121945 | 2 | SCREW # 4-20 X 5/8 |
| 42 | 390873 | 1 | HOUSING, BLOWER FRONT HALF |
| 43 | 121857 | 4 | SCREW #8-18 X 1/2 |
| 44 | 390851 | 1 | HOUSING, BLOWER REAR HALF |
| 45 | 230509 | 1 | MICRO SWITCH & PADDLE USE 233356 - Below Serial# 924201894 |
| 45 | 233356 | 1 | MICRO SWITCH & PADDLE - Below Serial# 924201894 |
| 45 | 525024 | 1 | SERVICE KIT, SAIL SWITCH - Below Serial# 924201894 |
| 45 | 232261 | 1 | SWITCH, SAIL USE 233382 |
| 45 | 233382 | 1 | SAIL SWITCH |
| 45 | 525003 | 1 | SERVICE KIT, SAIL SWITCH |
| 48 | 232351 | 1 | ON/OFF SWITCH |
| 49 | 63446 | 1 | BRACKET, ON/OFF SWITCH |
| 50 | 520820 | 1 | MODULE BOARD, WAS SUPERCEEDED USE 521099 |
| 50 | 521099 | 1 | IGNITION CONTROL MODULE |
| 52 | 350129 | 1 | BLOWER WHEEL |
| 54 | 70362 | 1 | BUSHING, SNAP |
| 55 | 70973 | 1 | INSULATOR CAP, MODULE BOARD COIL |
| 56 | 71206 | 1 | BUSHING, STRAIN RELIEF |
| 57 | 70808 | 1 | GASKET, FIREWALL CHAMBER |
| 58 | 21150BK | 1 | CHAMBER ASSY FINAL |
| 59 | 232505 | 1 | LIMIT SWITCH 195 DEGREE |
| 59 | 525035 | 1 | SERVICE KIT, LIMIT SWITCH 195 OPEN/155 CLOSED |
| 59 | 525035 | 1 | SERVICE KIT, LIMIT SWITCH 195 OPEN/155 CLOSED |
| 62 | 110767 | 1 | FIREWALL |
| NS | 2610A | 1 | FURNACE CORE REPLACEMENT RP-35FQ |
Part numbers for products we carry are clickable, including out-of-stock items. Other part numbers remain visible for reference. Confirm the furnace model and any serial-number restrictions before ordering.
Find your furnace parts
Find replacement parts for your Suburban SF-42F below. Select a photo to open the part listing, then match its part number and serial-number range to your furnace.
Ignition and control parts





Airflow and housing components




Burner, vent and duct parts


Replacement furnace core
Additional SF-42F service parts with photos
Use the listed manufacturer part numbers and check the furnace data plate before ordering, particularly for serial-dependent components.



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