164090 Idler Flat Pulley For King Kutter RFM Series 4' 5' 6' Lawn Mower Tractor
164090 Idler Flat Pulley For King Kutter RFM Series 4' 5' 6' Lawn Mower Tractor
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Idler Flat Pulley for King Kutter
This idler flat pulley replaces OEM part number 164090, maintaining correct belt tension and smooth deck operation on King Kutter RFM Series lawn mower tractors.
Overview
The idler flat pulley is designed to keep the mower deck belt properly tensioned on King Kutter RFM finish mowers, preventing slippage and belt wear. It replaces worn or seized idlers on 4-, 5-, and 6-foot decks, helping landscapers and property owners maintain cutting performance. This idler flat pulley is machined for a precise fit and is a direct match for part number 164090.
Built For Performance
- Smooth flat bearing surface minimizes belt friction and heat buildup
- Precision-bored center hub ensures wobble-free rotation
- Hardened steel construction resists deformation under high belt loads
- Consistent diameter maintains factory tension range for RFM decks
- Rust-resistant coating protects against moisture and grass debris
Fits These Machines
- for King Kutter RFM 4' Lawn Mower Tractor
- for King Kutter RFM 5' Lawn Mower Tractor
- for King Kutter RFM 6' Lawn Mower Tractor
On-The-Job Use
- Tensioning the main deck belt on a King Kutter RFM 4' finish mower
- Replacing a seized idler pulley mid-season to avoid downtime
- Adjusting belt routing on a 6' tractor-mounted mower for large properties
- Maintaining consistent blade speed on a 5' mower during commercial landscaping
- Restoring belt alignment after a pulley bearing failure
Specs At A Glance
| Part Number(s) | 164090 |
| Type | Flat Idler Pulley |
| Application | Idler flat pulley for King Kutter RFM Series lawn mower tractors |
Good To Know
Q: Will this idler pulley fit all King Kutter mowers? A: This pulley is built for RFM Series 4', 5', and 6' lawn mower tractors; verify your model and deck width before ordering.
Q: Does the idler flat pulley include a bearing or mounting bolt? A: The pulley is supplied as a standalone flat idler; reuse your existing bearing and bolt or purchase separately if needed.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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