Description
Overview:
This Genuine Stihl retainer circlip is a small, high-strength fastener used to hold components securely in a machined groove, preventing unwanted axial movement. Made from durable, hardened spring steel with a dark protective finish, it is designed for repeated service use in demanding garden and grounds care environments. It is suitable for Stihl ride‐on lawn mowers and lawn tractors, including RT4082.0 and RT5097.0C. Typical uses include securing pulleys, bearings, hubs, and shafts so assemblies stay stable under vibration and load. As an OEM part, it matches the original dimensions and fit for the specified machines, helping to maintain reliable operation during mowing and transport. Part numbers: 9666 003 7016 / 96660037016. Genuine Stihl Part.
Key Features:
- Genuine Stihl OEM part (MPN: 9666 003 7016 / 96660037016) for assured compatibility
- Hardened spring steel for high tensile strength and long service life
- Precision fit in groove for secure axial retention on shafts or in bores
- Dark protective finish helps resist wear and handling marks
- Stable under vibration and shock loads common in ride‐on mower use
- Installs and removes cleanly with circlip pliers, aiding quick maintenance
- Supports routine servicing with no modification to the machine
- Consistent fit and performance across the listed Stihl models
Typical Applications:
Used to locate and retain components such as bearings, spacers, pulleys, wheel hubs, gear shafts, idler assemblies, and linkage points on Stihl ride‐on mowers. Helps prevent axial shift during mowing, transport, and storage, keeping drivetrains and deck mechanisms correctly assembled and running smoothly.
Also known as:
Often referred to as a snap ring, retaining ring, lock ring, C‐ring, or Seeger ring. These terms describe the same style of spring‐steel ring designed to sit in a groove and hold components in place on a shaft or inside a housing.
Fits Models:
AKD500, AKD500.1, AKD500.2, MR340, MR380, MR4082.0, MR4082.0K, MR4082.1, MR4082.2, MT4097.0S, MT4097.0SX, MT4097.1S, MT4097.1SX, MT4112.0S, MT4112.0SZ, MT4112.1S, MT4112.1SZ, MT5097.0, MT5097.0C, MT5097.0G, MT5097.0K, MT5097.0Z, MT5097.1, MT5097.1C, MT5097.1Z, MT5112.1Z, MT540, MT580, MT6112.0, MT6112.0C, MT6112.0K, MT6112.0ZL, MT6112.1C, MT6112.1ZL, MT6127.0KL, MT6127.0ZL, MT6127.1ZL, MT640, MT680, RT4082.0, RT4082.1, RT4097.0SX, RT4097.1SX, RT4112.0S, RT5097.0, RT5097.0C, RT5097.0Z, RT5097.1, RT5097.1Z, RT5112.0Z, RT5112.1Z, RT6112.0ZL, RT6112.1ZL, RT6127.0ZL, RT6127.1ZL
Alternate Part Numbers:
9666-003-7016, 96660037016
Product Specifications
| L&S Part No. | 9666 003 7016 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96660037016 |
| Unit of Sale | 1 |
| Applications | AKD500, AKD500.1, AKD500.2, AKD5001, AKD5002, MR 340, MR 380, MR 4082.0, MR 4082.0 K, MR 4082.1, MR 4082.2, MR340, MR380, MR4082.0, MR4082.0K, MR4082.1, MR4082.2, MR40820, MR40821, MR40822, MT 4097.0 S, MT 4097.0 SX, MT 4097.1 S, MT 4097.1 SX, MT 4112.0 S, MT 4112.0 SZ, MT 4112.1 S, MT 4112.1 SZ, MT 5097.0, MT 5097.0 C, MT 5097.0 G, MT 5097.0 K, MT 5097.0 Z, MT 5097.1, MT 5097.1 C, MT 5097.1 Z, MT 5112.1 Z, MT 540, MT 580, MT 6112.0, MT 6112.0 C, MT 6112.0 K, MT 6112.0 ZL, MT 6112.1 ZL, MT 6127.0 KL, MT 6127.0 ZL, MT 6127.1 ZL, MT 640, MT 680, MT4097.0S, MT4097.0SX, MT4097.1S, MT4097.1SX, MT4112.0S, MT4112.0SZ, MT4112.1S, MT4112.1SZ, MT5097.0, MT5097.0C, MT5097.0G, MT5097.0K, MT5097.0Z, MT5097.1, MT5097.1C, MT5097.1Z, MT50970, MT50971, MT5112.1Z, MT540, MT580, MT6112.0, MT6112.0C, MT6112.0K, MT6112.0ZL, MT6112.1C, MT6112.1ZL, MT61120, MT6127.0KL, MT6127.0ZL, MT6127.1ZL, MT640, MT680, RT 4082.0, RT 4082.1, RT 4097.0 SX, RT 4097.1 SX, RT 4112.0 S, RT 5097.0, RT 5097.0 C, RT 5097.0 Z, RT 5097.1, RT 5097.1 Z, RT 5112.0 Z, RT 5112.1 Z, RT 6112.0 ZL, RT 6112.1 ZL, RT 6127.0 ZL, RT 6127.1 ZL, RT4082.0, RT4082.1, RT40820, RT40821, RT4097.0SX, RT4097.1SX, RT4112.0S, RT5097.0, RT5097.0C, RT5097.0Z, RT5097.1, RT5097.1Z, RT50970, RT50971, RT5112.0Z, RT5112.1Z, RT6112.0ZL, RT6112.1ZL, RT6127.0ZL, RT6127.1ZL |
| Machine Type | Lawn Mowers |
| Fits Brands | Stihl |
| Fits Models | RT 4082.0 | RT 4097.0 SX | RT 4112.0 S | RT 5097.0 | RT 5097.0 C | RT 5097.0 Z | RT 5112.0 Z | RT 6112.0 ZL | RT 6127.0 ZL | MR 340 | MR 380 | MR 4082.2 | MR 4082.0 | MR 4082.1 | MR 4082.0 K | MT 4097.1 SX | MT 4112.1 S | MT 4097.0 S | MT 4097.1 S | MT 4097.0 SX | MT 4112.0 S | MT 4112.0 SZ | MT 4112.1 SZ | MT 5097.1 C | MT 5097.1 Z | MT 540 | MT 580 | MT 5097.0 | MT 5097.1 | MT 5097.0 C | MT 5097.0 G | MT 5097.0 K | MT 5097.0 Z | MT 5112.1 Z | MT 6112.1 ZL | MT 6127.1 ZL | MT 640 (1996) | MT 640 (1997) | MT 680 | MT 6112.0 | MT 6112.0 K | MT 6112.0 C | MT 6112.0 ZL | MT 6127.0 KL | MT 6127.0 ZL | RT 4082.1 | RT 4097.1 SX | RT 5097.1 | RT 5097.1 Z | RT 5112.1 Z | RT 6112.1 ZL | RT 6127.1 ZL |
