Toro OEM 145-1666 Snowblower Chute Detent Ring Fits Select 18" Toro Power Clear Models (Only Model Numbers 38474, 38475).

• Part Number: 145-1666, 145 1666, 1451666

• Supersession: n/a

• Description: Toro OEM 145-1666 Chute Detent Ring
• Application: Toro OEM 145-1666 Chute Detent Ring is a Genuine OEM replacement part that helps the discharge chute to lock or set into set positions so you can control where the snow is thrown. If the Original ring is worn, cracked, or damaged, the chute may slip, jump, or refuse to hold direction - making snow discharge inconsistent. Detent Ring Contains Small Molded Detents in the Ring to Enable

1. (In Select Models with Manual Handle Rotation) A Spring Resistant Latch Insert and Add Resistance to the Chute Detent Ring. the Resistant from a Detent Spring & Latch Keeps the Chute from Rotating from Operating Vibrations unless there is Strong Forcible Initiating Motion from the Operator Via the Chute Handle to Turn the Snow Discharge Chute). - 145-1666 Uses This Example -
2. (In Select Models with Cable and Gear Rotation) A Gear Inserts into the Chute Detent Ring and Allows the Operator to Turn the Discharge Chute Via a Cable that attaches to the Operators Handle and the Discharge Chute Detent Gear).

 

 

What This 145-1666 Part Does

 

• Enable the Operator to rotate the chute utilizing the handle/chute detent ring assembly
• Provides positive indexing/locking positions for the discharge chute
• Works with the chute pawl/ratchet system to hold chute direction
• Helps prevent unwanted chute drift during operation
• Restores predictable snow discharge control

 

 

Common Symptoms of a Worn/Failed Detent Ring

 

• Chute will not stay in the selected position
• Chute rotates too easily or slips under load
• Clicking/grinding while adjusting chute direction
• Difficulty aiming discharge accurately

Keep your equipment performing the way it was designed with this genuine OEM replacement part. Manufactured to the original equipment manufacturer's specifications, this part is engineered for the proper fit, dependable performance, and long service life.

Whether you're performing routine maintenance or repairing a broken component, using genuine OEM parts helps maintain the reliability and performance of your equipment.

Choosing genuine OEM parts helps ensure your machine continues to operate as the manufacturer intended.

Please verify that Part Number 145-1666 is the correct replacement for your equipment before placing your order.

If you're unsure, send us your model and serial number, and we'll be happy to verify the correct part before you order.

Installation & Replacement Notes

 

Safety / Prep

 

• Park on a flat surface. Shut engine off, remove key, and disconnect the spark plug wire or Battery.
• Let all moving parts stop completely. Wear gloves—sharp edges and packed ice can cut.
• Clean packed snow/ice from the chute base, ring, and gear area before disassembly.
• Take a visual Documentation of Parts (a quick phone photo helps).

 

Removing

 

• Remove the chute mounting fasteners evenly. If the chute is stuck to the base/ring from ice, gently wiggle it free—avoid prying hard on plastic.
• Inspect the Lower Chute Components - If there are Damaged Components Replace and Ready the Discharge Chute for Re-assembly
• Remove the Plastic Front Auger Shroud (if needed) Allowing you to Remove and Replace the Chute Detent Ring - if Further References, Diagnosis or Replacement of Lower Discharge Chute Components are Needed Refer to the Diagrams Above and the Lower Chute Associated Part Reference Above to Determine the Usage and Placements of Associated Parts for Each Design Type Listed.

 

Reinstalling

 

• Inspect Chute Detent Ring's Retaining Components, Chute Detent Ring and other Lower Chute Components - If there are Damaged Components Replace and Ready the Discharge Chute for Re-assembly
• Re-Install the Chute Detent Ring, Chute Detent Ring's Retaining Front Auger Shrouds - if Further References of Lower Discharge Chute Components are Needed Refer to the Diagrams Above and the Lower Chute Associated Part Reference Above to Determine the Usage and Placements of Associated Parts for Each Design Type Listed.
• Inspect the Chute Ring/Retainer and Chute Seal and clean debris from the mating surfaces.
• Attach the new Chute onto the Chute Ring/Retainer, ensuring it seats fully and evenly all the way around.

 

Final Checks & Adjustments

 

• Rotate the chute fully left and fully right. It should turn smoothly without binding.
• Rotate the deflector fully up and fully down. Confirm it does not bind and the deflector holds its position.
• Reconnect the spark plug wire or Battery and do a quick functional test at idle speed only.

 

Your order is shipped by a knowledgeable outdoor power equipment dealership—not a general warehouse.

Every order is carefully packed, and our experienced parts specialists are available to help if you have questions before or after your purchase.

Thank you for choosing Hilly Ridge Sales & Service for your genuine OEM parts needs.

Part Number: 145-1666

Description: Toro OEM 145-1666 Chute Detent Ring.