191-1748 / HE191-1748 Regulator for John Deere 318 / 420 & Onan
$23.95
Skip to product information
191-1748 / HE191-1748 Regulator for John Deere 318 / 420 & Onan
$23.95
Aftermarket replacement voltage regulator / rectifier for the listed part-number path and equipment applications.
What’s included
- 1 × replacement voltage regulator / rectifier
John Deere 318 / 420: for the listed Onan-engine regulator path. Match the three-terminal AC / B+ / AC arrangement and charging-system rating.
Replacement & interchange numbers
191-1748, HE191-1748, 191-2227, 191-2208, 191-2106
Measurements & specifications
| Nominal system voltage | 12 V |
|---|---|
| Charging-system rating listed by supplier | 20 A |
| Regulation set point listed by supplier | 14.4 V |
| Regulator design | Shunt type with 3 male terminals: AC, B+, AC |
| Overall span shown | 66.9 mm |
| Side dimension shown | 60.8 mm |
| Height shown | 23.2 mm |
Check engine & equipment fitmentView compatible models, engine codes and application notes
Match the original part number together with the full engine model/specification, equipment serial number, charging-system rating and connector layout. Listed model names can cover more than one charging configuration.
John Deere mower and tractor applications
- 318 and 420 with Onan engines originally using HE191-1748 or a listed equivalent regulator.
Onan engine reference path
- P-Series and other applications originally specifying the listed 191-series regulator numbers, with the same AC / B+ / AC terminal arrangement and charging-system rating.
Confirm the mounting pattern, terminal functions, connector keying and electrical rating before connection. Fitment support before and after purchase.
Shop mower & small-engine voltage regulators · Shop ignition coils · Shop starter motors