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Stihl TS400 Muffler 4223 140 0601 replacement Stens 105400

STENS
Genuine Part
$64.14
$59.46
$4.68
Availability:
Order today – If in stock, Ships within next business day

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Payment Methods
  • AMERICAN EXPRESS
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SKU:
105-400
UPC:
23899467006
MPN:
105-400
Condition:
New
Shipping:
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STENS Original partOriginal Part Certification
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Description

  • Depend on STENS for parts that maintain your equipment’s heart and soul.
  • Precisely designed to control exhaust emissions effectively.
  • Durable construction to withstand the rigors of outdoor use.
  • Certified genuine OEM replacement from STENS, crafted for exact fit and performance.

105-400 Muffler—STENS Precision for Quiet Power and Clean Performance

The STENS 105-400 Muffler is a genuine OEM part designed to manage exhaust flow and noise for your outdoor power equipment. This STENS 105-400 Muffler plays an essential role in reducing sound and safely directing exhaust gases away, supporting your machine’s two-cycle engine efficiency and longevity. Using the STENS 105-400 ensures your equipment performs as originally engineered by maintaining appropriate exhaust flow and emissions control.

The Role of a STENS 105-400 Muffler in Protecting Performance and Environment

The muffler's main function is to dampen engine noise and route exhaust gases safely through your outdoor power tool’s system, such as a two-cycle engine on a zero-turn mower or similar equipment. Proper muffler operation improves not only the sound level but also helps maintain the correct backpressure necessary for optimal engine running conditions. The STENS 105-400 Muffler keeps your equipment running smoothly by reducing harmful emissions and preventing exhaust leaks that can affect engine reliability.

Recognizing the Right Moment for STENS Muffler Refreshment

Replacing the muffler at the right time helps preserve engine performance and overall safety. Monitoring this component supports long-term equipment care.

  • Increased exhaust noise: a louder-than-usual engine sound often indicates muffler wear or damage.
  • Visible cracks or rust: physical damage to the muffler can impair its function and necessitate replacement.
  • Reduced engine efficiency: exhaust leaks or blockages from muffler failure can affect engine responsiveness and power output.

Answers to Your STENS 105-400 Muffler Questions

Is this a genuine STENS OEM part?

Yes, the STENS 105-400 Muffler is a genuine OEM replacement part manufactured by STENS, ensuring it meets the original equipment specifications for your outdoor power equipment.

How do I confirm it fits my equipment?

Confirm compatibility by checking your equipment’s model and serial number against the STENS 105-400 part number before ordering to guarantee proper fit and function.

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Returns Information

You may return new, non-used, and unopened items within 30 days of delivery date under a 20% re-stocking fee in case you do not need it anymore or you have ordered a wrong item.

We cannot accept any returns on "Pumps, Motors, Electrical Items & Transmissions" whether the product is used or new, however in rare cases we may allow an exception under a 40% re-stocking fee.

If you need to return an item, please go to our chat located in the lower right corner, select the option “Returns” and follow the steps to submit your request. Please have on your hands pictures of the item, they will be requested. You will shortly receive an answer from our Customer Service Team providing authorization and return instructions. Likewise, if an exception cannot be authorized, you will receive an answer from us. No returns will be accepted in our warehouse without an RMA number (Return Merchandise Authorization).

All return shipping costs are on customer's responsibility and will not be refundable.

Returns are inspected once they arrive. If the inspection determines that the items are used, non-resellable condition, or damaged, the return will be denied and the customer will be contacted to ship the parts back at the customers' request and cost.

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Cancellations

You may cancel your order, in whole or in part, only if the part is backordered and it isn't ready to ship. Once an order has been shipped, sent from the supplier to our warehouse, or in the dispatch line, we cannot cancel it. If your order is shipped, you will need to follow our return policy to return the items you no longer want.

If you need to cancel an order or item for any reason, you may submit a cancellation request directly through your account to the "more options" section or contact us by live chat. All the cancellation requests are evaluated before its approval. If you submit a cancellation request out of business hours, on a weekend or holiday, it will be processed on the next available business day.

Please allow for the cancellation to be confirmed, and check your account for updates on the status. The cancellation process usually takes 24-48 hours to be confirmed by email. We will process your cancellation request and issue a refund to your original payment method.

In the event that an item becomes no longer available (NLA), we will cancel it from your order and ship the remaining items to you. We will send you an email notification if we cancel any part of your order.

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