Wacker Neuson 5000165596 Auto Idle Module Kit
Wacker Neuson

Wacker Neuson 5000165596 Auto Idle Module Kit

$100.87
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SKU:
5000165596-Wacker Neuson
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The Wacker Neuson Auto Idle Module Kit is a genuine OEM component designed for the GP3800A, GP4000, GP5600A, GPS5600A, GP6600A, and GPS6600A series portable generators. As a factory-sourced replacement, this kit restores the automatic idle control system to its original operating specification, ensuring proper throttle management under varying load conditions. It is compatible across a wide range of GP and GPS series configurations, including standard, wheel kit, electric start, CARB, CSA, EPA, and CAN GFI variants, making it a versatile solution for fleet operators and service technicians working across multiple generator models.

Key Features

  • Genuine OEM Electrical Specification — Factory-sourced module engineered to the correct signal output and switching logic for Wacker Neuson GP and GPS series generator control systems.
  • Drop-In Replacement for the Auto Idle System — Installs directly into the existing throttle control circuit with original connector and mounting points, requiring no adaptation to the wiring harness.
  • Broad GP and GPS Series Coverage — Confirmed fit across GP3800A, GP4000, GP5600A, GPS5600A, GP6600A, and GPS6600A models, spanning EPA, CARB, CSA, and CAN GFI regulatory configurations.
  • Restores Fuel-Saving Idle Behavior — A functioning auto idle module allows the engine to throttle down under no-load conditions and ramp back up on demand; a failed module locks the engine at full throttle, increasing fuel consumption and engine wear.
  • Electrical System Integrity — Using the correct OEM module ensures the throttle control signal remains within the generator's designed operating parameters, protecting the AVR and engine governor from erratic input.

The auto idle module is the electronic control component responsible for sensing generator load and commanding the engine throttle accordingly. When a load is applied to the generator's output, the module signals the throttle to open to full power; when the load is removed, it returns the engine to a low-idle speed. This reduces fuel use during light-duty or intermittent operation. When the module fails, the generator typically runs at full throttle continuously regardless of load, leading to excessive fuel consumption, elevated engine temperatures, and accelerated wear on the engine and alternator components.

Part Details

Part Number5000165596
Old Part Number0165596
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionAuto Idle Module Kit

Compatibility & Fitment

Name Model Machine Number
Premium Portable Generator GP5600A 5000620094, 5000620095, 5000620381, 5000620382, 5000620326, 5000620327, 5000620984, 5000620979, 5000620980, 5000620042, 5000620043, 5000620091, 5000620092, 5000620011, 5000620012
GPS5600A,CAN GFI GPS5600A 5000620096, 5000620383, 5000620328, 5000620981, 5000620982, 5000620044, 5000620093, 5000620013
GP6600A GENERATOR,CAN GFI GP6600A 5000620100, 5000620101, 5000620384, 5000620329, 5000620330, 5000620045, 5000620046, 5000620097, 5000620098, 5000620014, 5000620015
GPS6600A GENERATOR,CAN GFI GPS6600A 5000620102, 5000620386, 5000620331, 5000620047, 5000620099, 5000620016
Portable Generator GP3800A 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620041, 5000620103, 5000620010
Premium Portable Generator GP6600 5000620385, 5000620989, 5000620990, 5000620985, 5000620986
Premium Portable Generator GP4000 5000620090, 5000620380, 5000620977, 5000620978, 5000620089
GPS6600A Generator, EPA GPS6600 5000620987, 5000620988
GP3800A Generator, EPA w/Wheel Kit GP3800 5000620976, 5000620974, 5000620975, 5100031174
GP5600A Generator, EPA w/Wheel Kit GP5600 5000620983

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.