IWWFDD gear head assembly close-up with precision gears for smoother cuts.
IWWFDD gear head with rider plate highlighting quick installation.
IWWFDD thrust washer and plate showing robust, long-lasting components.
IWWFDD M10 LH collar nut demonstrates secure, stable mounting.
IWWFDD stainless-steel screws pack ensures rust resistance and durability.
IWWFDD installed gear head on Stihl trimmer for cleaner cuts.

IWWFDD

IWWFDD Trimmer Gear Head Assembly for STIHL FS56RC–FS131R | Replaces 4180-640-0114

High-performance patio lawn and garden made for confident daily results

$37.24

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Return & RefundEasy returns and policy details Shipping PolicyDelivery process and tracking info
Share

Why customers choose Cera Garden

Upgrade your STIHL weed eater with the IWWFDD Trimmer Gear Head Assembly, a complete replacement kit designed for easy installation and reliable performance. This all-in-one package replaces part 4180-640-0114, delivering steady power and a cleaner cut as you work through dense grass, tall reed beds, and light brush. The set is built to be straightforward to install, with every component you need included in a single box.

Precision-engineered for smooth power

  • CNC-machined 10-tooth bevel gears and a heat-treated spindle deliver steady torque with reduced vibration and lower operating noise.
  • Designed to keep blade tracking true, supporting cleaner lines and more consistent results from start to finish.
  • Low-friction materials and tight tolerances help the engine experience less resistance during demanding trimming tasks.
  • The compact design pairs strength with light handling for easier maneuvering around obstacles.

Wide compatibility

The gear head is designed to replace parts across a broad range of STIHL trimmer models, including FS56RC, FS56RC-E, FS56 RC, FS70R, FS70C-E, FS70RC, FS91, FS91R, FS94R, FS131R, FS130R, and related variants. If your trimmer uses the 4180-640-0114 head, this kit can be a dependable retrofit for a seamless upgrade.

Durable, value-driven design

  • The housing uses a low-pressure cast aluminum construction for robust support without adding unnecessary weight.
  • Hardened stainless-steel screws resist rust and maintain a secure clamp season after season.
  • Overall build emphasizes a balance of strength, durability, and cost-per-cut value, so you can trim more efficiently without premium-price concerns.

What’s included

  • 1 × gear head (No. 4180-640-0114)
  • 1 × rider plate
  • 1 × thrust washer
  • 1 × thrust plate
  • 1 × M10 × 1 LH collar nut
  • 5 × stainless-steel screws

Whether you’re tackling a weekend yard project or maintaining a brush edge, this replacement kit aims to deliver dependable performance and a smoother trimming experience. Consider it a practical upgrade that aligns with your maintenance routine and tool compatibility.

FAQ

Q: Which STIHL trimmers are compatible with the IWWFDD Trimmer Gear Head Assembly?

A: Compatible with a wide range of STIHL models, including FS56RC, FS70R, FS91R, FS94R, FS111R, and FS131R.

Q: What is included in the package?

A: One gear head, rider plate, thrust washer, thrust plate, M10 LH collar nut, and five stainless screws.

You may also like