Description
Overview:
The Spring Idle is a genuine Honda component for maintaining stable idle speed on GD-series diesel engines, including GD320 and GD321. It is an extension-type coil spring made from high‐tensile spring steel with a corrosion‐resistant finish, built to withstand engine vibration and continuous use. Fitted on the governor/throttle linkage, it helps regulate idle RPM, reduces hunting, and supports smooth return to idle after load changes. As an OEM part (16563-ZG3-010), it offers precise fit and reliable operation without modification. Suitable for construction and garden machinery powered by Honda GD engines, it supports dependable performance in generators, pumps, light plant, and similar equipment. This is a Genuine Honda part designed for durability and long service life.
Key Features:
- Genuine Honda part for assured compatibility and quality
- OEM reference 16563-ZG3-010 for accurate identification
- High-tensile spring steel with corrosion-resistant finish
- Stabilises idle speed and reduces governor hunting
- Precision-coiled for consistent spring rate and response
- Direct replacement with no alterations required
- Supports smooth throttle return and reliable idle control
- Suitable for regular maintenance and preventative servicing
- Engineered to handle vibration and frequent duty cycles
- Helps maintain overall engine efficiency and drivability
Typical Applications:
Used on Honda GD diesel engines in compact generators, water pumps, welders, compressors, pressure washers, light plant, and agricultural or grounds-care equipment. Ideal for restoring correct idle control during servicing, solving erratic idle issues, and maintaining consistent engine behaviour under changing loads.
Also known as:
Idle governor spring, idle control spring, throttle return spring (idle), governor linkage spring, engine idle spring, idle speed spring.
Fits Models:
GD320, GD321, GD411
Alternate Part Numbers:
16563-ZG3-010, 16563ZG3010
Product Specifications
| L&S Part No. | 16563 ZG3 010 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 16563-ZG3-010 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Honda |
| Key Features | - Genuine Honda part for GD-series diesel engines - OEM reference 16563-ZG3-010 ensures precise fit - High-tensile spring steel with corrosion-resistant finish - Stabilises idle speed and reduces governor hunting - Direct replacement, no alterations required |
| Fits Models | GD320 (GPB) | GD321 (GPAD) | GD411 (GPAC) |

