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SKU:
NLT2K04543
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12V 6-Terminal Voltage Regulator AM126304 for John Deere Tractors Mowers Gators
$44.99
In Stock
$44.99
Sale price
$44.99
Regular price
This aftermarket 12-volt six-terminal regulator-rectifier replaces John Deere AM126304 and related numbers on compatible lawn tractors, front mowers, utility vehicles, and commercial equipment.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- John Deere 240, 245, 260, 265, 285
- John Deere 320, 325, 335, 345, 355D
- John Deere 425, 445, 455
- John Deere F510, F525, F735
- John Deere GT242, GT262, GT275
- John Deere GX345
- John Deere LX172, LX173, LX176, LX178, LX186, LX188, LX255, LX266, LX277, LX279
- John Deere X465, X475 and matching X-series applications
- John Deere 4x2, 6x4, CS, CX, TS, Trail, and Worksite Gators using AM126304
- John Deere 1200 / 1200A bunker and field rakes
- John Deere 2243, 2500B, 2500E, 2550, 2653, 2653B, 2750 commercial equipment
- John Deere 7H17, 7H19, and matching 54-inch front decks
Product Overview
A battery that keeps going dead, headlights that brighten wildly with engine speed, blown bulbs, or charging voltage outside specification can point to a regulator problem after the stator and wiring are tested. This unit converts and limits charging-system output on matching Deere equipment.
AM126304 appears across many machine families, but connectors and charging-system capacity still need to match. Count all six terminals and compare the plug keying, mounting, ground path, and original reference before ordering.
Key Features & Performance
- 12-volt regulator-rectifier with six terminals
- Controls charging voltage on compatible Deere equipment
- Broad fitment across tractors, front mowers, and Gator utility vehicles
- Replaces AM126304 plus several cross references
- Aftermarket electrical-system component
Replaces Part Numbers
- AM126304
- AUC12632
- M97348
- M108848
- AM101046
- AM108848
- M70121
- 435-180
- 14029
Common Uses
- Repairing undercharging after stator output tests correctly
- Correcting overvoltage that damages batteries or bulbs
- Replacing a heat-damaged or corroded regulator connector
- Restoring stable charging on an older Deere work machine
Technical Specifications
- Product Type: Voltage regulator / rectifier
- System Voltage: 12 volt
- Terminals: Six
- System: Engine charging circuit
- Replacement Type: Aftermarket
Installation & Fitment
- Match AM126304 and compare all six terminals and connector keying
- Fully charge and load-test the battery before charging diagnosis
- Measure stator AC output and inspect wiring, fuses, grounds, and connectors
- Mount the regulator to a clean surface so its ground and heat path are sound
- Verify charging voltage at idle and governed speed without exceeding equipment limits
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Model names and year ranges are a starting point. Match the original reference number, configuration, connections, mounting points, and product-specific details before ordering.
Frequently Asked Questions
Q: Will a regulator fix every dead battery? A: No. The battery, stator, wiring, grounds, key-off draw, and belt or flywheel system must also be checked.
Q: Why count terminals? A: Different regulators can look similar but use different circuits and connector layouts.
Q: Can overcharging damage the battery? A: Yes. Excess voltage can overheat the battery, shorten bulb life, and harm electrical components.
Part Summary
keywords: John Deere AM126304 regulator, six terminal voltage rectifier, John Deere charging system repair, John Deere Gator regulator, GX345 battery not charging, LX178 voltage regulator, 435-180 replacement, aftermarket Deere 12V rectifier
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.