Financing Now Available for Online Purchases.* Learn More
  1. Piston

Piston

Item#: 3A3948S
Free Shipping on Parts Orders over $45.
price.from $27.75 price.msrp
Piston
Item#: 3A3948S
Free Shipping on Parts Orders over $45.
price.from $27.75 price.msrp
In Stock
Have a Model Number?
How to find your model number?
This part replaces:
  • 791-182917

Specs & Pledge

Shop with Confidence

Avoid frustration when buying parts, attachments, and accessories with the Troy-Bilt Right Part Pledge. If you purchase the wrong part from Troy-Bilt or a Troy-Bilt authorized online reseller, Troy-Bilt, or your Troy-Bilt authorized online reseller will work with you to identify the correct part for your equipment and initiate a free exchange. See full terms and conditions.

 

Fast, Free Shipping

Parts orders over $50 ship free.*All orders placed before 5 pm ship next day. Standard shipping averages 3 business days for delivery. Expedited shipping is available.

*Some exclusions apply. Read full shipping policy.

Hassle Free Returns

We'll make sure you get the right part. Enjoy 90-day returns for unused parts and we won't penalize you for ordering the wrong part when you follow our return policy.*

*Some exclusions apply. Read full returns policy.

Chat with Experts

Our outdoor power equipment experts are just one click away through Live Chat. Available Mon-Fri 9am - 7pm EDT.

Phone support also available:

1-800-828-5500