421176 Blade Adapter for Craftsman, Husqvarna

Blade Adapter for Craftsman, Husqvarna Lawn Mower 421176 – OEM Part

The 421176 blade adapter is an original OEM part designed to securely fasten the blade to a 25 mm engine shaft. It features an integrated 2" pulley built to drive a 3/8" traction belt. This adapter ensures proper alignment and effective power transmission for a stable and safe cut. It also includes two alignment pins spaced 1 7/8" apart (center to center) for precise blade positioning. Compatible with various lawn mower models from Craftsman, Husqvarna, Poulan Pro, RedMax, and Jonsered.

Product Details

• Genuine OEM quality part
• Integrated 2" pulley for 3/8" traction belt
• Fits 25 mm engine shaft
• Two blade alignment pins (1 7/8" center to center)
• Safe and precise cutting performance
• Compatible with Craftsman, Husqvarna, Poulan Pro, RedMax, and Jonsered mowers
• Easy installation

Dimensions

• Inner diameter (ID): 25 mm
• Inner depth: 2 3/8" (60.3 mm)
• Total height: 2 7/8" (73 mm)
• Pin spacing: 1 7/8" (47.6 mm center to center)
• Integrated pulley diameter: 2" (50.8 mm)

Compatible References

Replaces the following part numbers:
532189179, 189179, 532085543

Main Reference

421176

Installation Tip

Tighten the blade bolt firmly to ensure safety and prevent play that could damage the adapter or the blade.

Customer Service

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