Partner K950 PreFilter 506231901 replacement Stens 605257
STENS
- Payment Methods
-
- SKU:
- 605-257
- UPC:
- 23899188826
- MPN:
- 605-257
- Condition:
- New
- Shipping:
- View Shipping Rates

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Description
- Precision in filtration for your equipment’s best performance
- Designed to protect critical engine components by trapping harmful debris
- Maintains airflow balance for efficient operation
- Genuine OEM part from STENS, made to exact standards
605-257 PreFilter – Trust STENS to Keep Your Equipment Running Smoothly
The STENS 605-257 PreFilter is an essential component designed to safeguard the airflow system in your outdoor power equipment. As a genuine STENS 605-257 part, this prefilter works behind the scenes to help maintain engine efficiency and prolong overall equipment life. Its precise fit and function ensure that your machine continues to operate as originally engineered, making it a reliable choice for any repair or maintenance job.
STENS Precision Filtration for Cleaner Air and Better Equipment Health
This STENS 605-257 PreFilter helps prevent dirt, dust, and debris from entering the carburetor and engine. By capturing contaminants early, it supports smooth combustion and consistent engine performance. Whether installed on a zero-turn mower or other two-cycle hand-held outdoor equipment, this prefilter plays a vital role in keeping your engine running clean and efficiently over time.
STENS Guidance on Knowing When Your PreFilter Needs Attention
Replacing the 605-257 PreFilter when necessary helps avoid reduced engine power and increased fuel consumption. Staying on top of prefilter condition ensures your equipment keeps running as expected.
- Visible dirt buildup or damage on the prefilter surface
- Noticeable drop in engine performance or power output
- Unstable or rough engine idling indicating airflow restrictions
Helpful Answers About Your STENS 605-257 PreFilter and Its Care
Is this the genuine STENS 605-257 PreFilter OEM part?
Yes, this is the STENS 605-257 PreFilter, an authentic OEM replacement part manufactured to STENS standards for exact fit and function.
How can I confirm this STENS 605-257 PreFilter fits my equipment?
To ensure proper fitment, verify your equipment’s model and serial number against your part number before placing an order.
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.
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.
Some products may contain chemicals known to the State of California to cause cancer or reproductive harm. ⚠️ WARNING: www.P65Warnings.ca.gov