To purchase parts for the 420BU (Regulator, Switch Panel, & Solenoid Assembly RF034201):
- Reference the part needed from the parts diagram and refer to the parts list below.
- Copy the Part Number and paste it into the search window above to see availability and pricing.
- Confirm your parts selection and "Add To Cart".

Item number | Part number | Description | Qty |
1 | SA026300 | REGULATOR, LP | 1 |
2 | MP017900 | FUEL, ADJUSTMENT, ASSEMBLY | 1 |
3 | MP317500 | FUELOCK, 12 VOLT, ASM. | 1 |
4 | MP367300 | HOSE, FUEL, LP, 13", ASM. | 1 |
5 | MP4330 | FITTING, 49 X 6, REG TO FUELOCK | 1 |
6 | MP4500 | COUPLER, QUICK REGO, FEMALE | 1 |
7 | MP371100 | FITTING, BRASS, 1/4-28 x 3/16" HB | 1 |
8 | MP372400 | FITTING, ELBOW, BRASS, 1/8" NPT x 3/16" HB | 1 |
9 | MP367100 | SOLENOID, STARTER, 12VDC | 1 |
10 | MP366700 | CABLE, BATTERY, POS., 9" | 1 |
11 | MP120900 | CABLE, BATTERY, POSITIVE, 14" | 1 |
12 | MP354900 | WIRE, SOLENOID, BATTERY | 1 |
13 | MP402300 | MODULE, EMISSION, MONITORING, ASM. | 1 |
14A | MP367400 | PANEL, SWITCH, STARTER, PLASTIC | 1 |
14B | MP564000 | PANEL, SWITCH, STARTER, PLASTIC, USB | 1 |
15 | MP199000 | KEYSWITCH, BURNISHER, RIDE-ON | 1 |
16 | KC4834001 | KEY, STARTER SWITCH | 1 |
17 | SS900001 | LABEL, STARTER SWITCH, TRI-LINGUAL | 1 |
18 | MP280400 | METER, HOUR/TACH, PANEL MOUNT | 1 |
19 | NB007400 | BOLT, PHILLIPS PAN HD, #8-32 X 1/2 | 2 |
20 | NB9710 | NUT, KEPS, 8-32, ZINC | 2 |
21 | AS052400 | RECEPTICLE USB | 1 |
22 | SA026300 | REGULATOR, LP | 1 |
23 | MP4325 | FITTING, 3325 X 4, REG TO FUELOCK | 2 |
24 | MP509300 | FITTING, TEE, 1/4" FNPT | 1 |
25 | MP509200 | SWITCH, PRESSURE, 200 PSI | 1 |
26 | MP4330 | FITTING, 49 X 6, REG TO FUELOCK | 1 |
27 | MP367300 | HOSE, FUEL, LP, 13", ASM. | 1 |
28 | MP4332 | FITTING, 1/4", BRASS ELBOW, FPT | 1 |
29 | MP317500 | FUELOCK, 12 VOLT, ASM. | 1 |
30 | MP509600 | MANIFOLD, SAFE STOP | 1 |
31 | MP4500 | COUPLER, QUICK REGO, FEMALE | 1 |
32 | MP4331 | FITTING, 54 X 6, REG TO FUELOCK | 2 |
33 | MP492000 | LIGHT, RED, LED, 12V, W/ TERMINALS | 1 |
34 | MP151500 | RELAY, BOARD, CIRCUIT, PRINTED, 12V | 1 |
35 | NB007100 | WASHER, FLAT, #6 | 2 |
36 | MP509401 | BRACKET, SAFE-STOP | 1 |
37 | NB020800 | NUT, LOCK, NYLON, 6-32 | 2 |
38 | MP509700 | DECAL, PROPANE TANK OVERFILL WARNING | 1 |
39 | NB6110 | WASHER, LOCK, 1/4" | 2 |
40 | MP509900 | FITTING, 1/8" MNPT X 1/4" FNPT | 1 |
41 | MP509800 | SWITCH, PRESSURE, 6 PSI | 1 |
42 | MP017900 | FUEL, ADJUSTMENT, ASSEMBLY | 1 |
43 | NB9515 | SCREW, PAN HD, 6-32 X 1/2 | 2 |
44 | NB015700 | SCREW, CAP, HH, 1/4 -20 X 5/8 | 2 |
45 | MP372400 | FITTING, ELBOW, BRASS, 1/8" NPT x 3/16" HB | 1 |
46 | MP371100 | FITTING, BRASS, 1/4-28 x 3/16" HB | 1 |
47 | MP341500 | SCREEN, INLET, REGULATOR | 1 |
48 | MP4340 | HOSE, 12", REGULATOR | 1 |