Technology Parts Store PAS Coupler Knob Assembly for Echo/Shindaiwa PAS-225 PAS-2620 — OEM V299000660 with Bolt & Washer

Replacement PAS coupler knob assembly (OEM V299000660) including bolt 9108506040 and circular washer V304000040 for Echo/Shindaiwa PAS-225 and PAS-2620 powerheads.

This OEM-grade coupler knob assembly from Technology Parts Store is a direct-fit replacement for worn or missing coupler hardware on compatible Echo and Shindaiwa PAS powerheads. It bundles the knob, bolt, and washer specified by OEM reference numbers so you can restore the mechanical connection that secures the drive coupling. The part arrives ready to install and is intended for models and serial ranges listed by manufacturer compatibility notes.

Which models and serial numbers will this coupler knob assembly fit?

The assembly is designed to match OEM part V299000660 and its associated fasteners, so it fits selected Echo and Shindaiwa PAS-225 and PAS-2620 powerheads within the specified serial number ranges. Confirm your powerhead serial number against the ranges provided to ensure compatibility before purchasing.

• Compatible models: PAS-225 and PAS-2620 powerheads.
• Includes fit details for specific serial ranges (e.g., T99814001001–T99814999999, U00515001001–U00515999999).
• Replaces OEM numbers: ECHO V299000660, 9108506040 (bolt), V304000040 (washer).

How do I install the replacement coupler knob assembly?

Installation is straightforward for anyone familiar with small engine maintenance: remove the old knob and fasteners, align the coupler, and secure the new bolt and washer through the knob into the coupling. Use basic hand tools and follow your equipment’s service manual for torque and safety steps.

• Tools needed: socket or wrench sized for bolt 9108506040 and a screwdriver if applicable.
• Preparation: clean mating surfaces and inspect the coupling for wear before installing.
• Finish: tighten until snug per manufacturer torque guidance; avoid over-tightening.

What does replacing the OEM coupler knob assembly restore?

Replacing this assembly restores the secure mechanical connection between the powerhead and the driven shaft, helping maintain consistent engagement during operation. It replaces lost or damaged hardware with OEM-equivalent components, reducing play and potential slippage in the coupler connection.

• Replaces worn or stripped knob, bolt, and washer with OEM-referenced parts.
• Reduces coupling play for steadier drive engagement.
• Helps prevent further wear to adjoining coupling components when installed correctly.

Who is this for: This replacement coupler knob assembly is for owners, service technicians, and small-engine repair shops working on Echo or Shindaiwa PAS-225 or PAS-2620 powerheads within the listed serial ranges. Choose this OEM-compatible part if you need an exact-match replacement for a missing or damaged coupler knob, want the correct bolt and washer included, and prefer to maintain factory-spec hardware for reliable reassembly. If you’re unsure about compatibility, check the serial number stamped on your powerhead or consult a service manual before ordering to ensure a proper fit.