0 ratings
Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert ISX15 CM871 CM2250 CM2350
The maintenance-free crankcase breather insert has been released to eliminate the need for scheduled replacement of the existing crankcase breather filter element and reduce associated maintenance costs.
Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert ISX15 CM871 CM2250 CM2350
Item #: 21634260

Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert ISX15 CM871 CM2250 CM2350

Item #: 21634260

SCR 2386

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, July 16
Our Top Logistics Partners
  • fedex
  • dhl
The maintenance-free crankcase breather insert has been released to eliminate the need for scheduled replacement of the existing crankcase breather filter element and reduce associated maintenance costs.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Maintenance-Free Design
This crankcase breather insert requires no regular maintenance, saving time and effort for users while ensuring optimal performance throughout its lifespan.
High Compatibility
Designed specifically for ISX15 CM871, CM2250, and CM2350 engines, ensuring a perfect fit and reliable function, making it a preferred choice for vehicle owners and mechanics.
Genuine Quality
As an authentic Cummins part, this breather insert guarantees top-notch durability and performance, ensuring long-term reliability and reducing the risk of engine issues compared to aftermarket alternatives.

Product Details

Shop for Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert at Ubuy Seychelles. It is a direct fit replacement for existing crankcase breather filter element, eliminating the need for scheduled replacements and reducing maintenance costs.
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Heavy-Duty Users

    Ideal for truck drivers or fleet operators needing reliable breather solutions for their Cummins ISX15 engines.

  • Maintenance Professionals

    Designed for mechanics or maintenance teams seeking easy-to-install parts that reduce upkeep time and improve engine performance.

  • Long-Distance Haulers

    Great for long-distance transporters who require durable and maintenance-free components for their vehicles' longevity.

Not Suitable For
  • Casual Users

    Not suitable for occasional users or those with non-Cummins engines, as it is specific to Cummins ISX15.

  • Budget-Conscious Buyers

    May not fit users looking for cheaper alternatives due to its premium brand and maintenance-free features.

  • Non-Diesel Engines

    Not compatible with gas engines, limiting its applicability to diesel-powered Cummins ISX15 models exclusively.

Product Description

Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert ISX15 CM871 CM2250 CM2350

About This Item

Introducing the Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert, designed for ultimate performance and longevity. This crankcase breather insert is compatible with various Cummins engine models including ISX15, CM871, CM2250, and CM2350. The Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert ensures optimum airflow, preventing oil contamination and maintaining the proper functioning of your engine. With its high-quality construction and genuine Cummins engineering, you can trust that this breather insert will deliver exceptional results. Designed for easy installation, this Genuine Cummins crankcase breather insert is a must-have for any Cummins engine owner.

Its maintenance-free design eliminates the need for constant upkeep, saving you time and money in the long run. Whether you're a professional mechanic or a Cummins enthusiast, investing in a Genuine Cummins crankcase breather insert is a smart choice. You can have peace of mind knowing that you're using a product specifically designed and manufactured to meet Cummins' rigorous standards. Upgrade your engine's performance and extend its lifespan with the Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert. Don't settle for anything less than genuine Cummins quality.

Order yours today and experience the difference firsthand.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the function of the Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert?

    Answer: The Genuine Cummins 3691476 Crankcase Breather Insert is designed to allow proper ventilation of the engine cranking case, ensuring that harmful gases do not build up and affect engine performance. By maintaining optimal pressure within the crankcase, this component helps to enhance the longevity and efficiency of your engine. Ideal for use in Cummins ISX15 engines, this part effectively supports combustion and minimizes oil consumption.
  • Question: How often should I replace the crankcase breather insert?

    Answer: While the Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert is maintenance-free, it's advisable to inspect it during routine service checks or if you notice any engine performance issues. Regular monitoring can help prevent potential engine damage from oil leaks or inefficient air circulation within the crankcase. If you experience increased oil consumption or pressure buildup, it may be time to consider a replacement.
  • Question: Is this crankcase breather insert compatible with other Cummins engines?

    Answer: The Genuine Cummins 3691476 Crankcase Breather Insert is specifically designed for use with ISX15, CM871, CM2250, and CM2350 engines. It is important to ensure compatibility with your specific engine model, as other engine variants may require different parts. Always consult the manufacturer’s specifications or a professional mechanic for confirmation to avoid issues with fitment and functionality.
  • Question: Can I install the crankcase breather insert myself?

    Answer: Yes, installing the Genuine Cummins 3691476 Crankcase Breather Insert can be a straightforward DIY task for those familiar with engine maintenance. Begin by disconnecting the necessary components to access the crankcase. Follow the manufacturer's installation guidelines and ensure all seals are properly seated to prevent leaks. This empowers you to maintain your vehicle's engine more actively and ensure optimal performance.
  • Question: What materials are used in the Genuine Cummins 3691476 crankcase breather insert?

    Answer: The Genuine Cummins 3691476 Crankcase Breather Insert is made from high-quality materials that ensure durability and resistance against oil, dirt, and extreme engine temperatures. This robust construction helps the part withstand the harsh conditions typically found within a running engine. By using premium materials, this insert guarantees reliable performance, which is critical for prolonged engine health.
  • Question: What are the signs of a failing crankcase breather insert?

    Answer: Signs that your Genuine Cummins 3691476 Crankcase Breather Insert may be failing include increased oil consumption, oil leaks, or noticeable pressure buildup in the crankcase. Additionally, you might notice an overall drop in engine performance, with potential misfires or inefficient combustion. If you observe any of these signs, inspecting or replacing the breather insert could help restore optimal engine function.
  • Question: Can the crankcase breather insert affect my vehicle's fuel efficiency?

    Answer: Yes, a faulty crankcase breather insert can potentially impact your vehicle's fuel efficiency. If the insert is clogged or not functioning correctly, it can lead to excessive pressure in the crankcase, causing engine components to work harder. This inefficiency can result in higher fuel consumption. Therefore, maintaining the integrity of the Genuine Cummins 3691476 insert is crucial for sustaining optimal engine performance and fuel economy.
  • Question: What is the lifespan of the Genuine Cummins 3691476 crankcase breather insert?

    Answer: The Genuine Cummins 3691476 Crankcase Breather Insert is designed for longevity and typically lasts the expected lifetime of the engine it is fitted to. However, factors such as driving conditions, engine load, and maintenance practices can influence its performance. Regular checks during routine maintenance can help ascertain its condition and ensure your engine operates smoothly without unexpected breakdowns.
  • Question: Where can I buy Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert in Seychelles?

    Answer: You can buy the Genuine Cummins 3691476 Maintenance Free Crankcase Breather Insert on Ubuy. Ubuy offers a reliable platform for purchasing automotive parts, ensuring that you get genuine products with convenient delivery options to your location in Seychelles. By choosing Ubuy, you can easily find the right parts you need for your Cummins engine with confidence.
  • Question: Does this breather insert come with installation instructions?

    Answer: The Genuine Cummins 3691476 Crankcase Breather Insert typically does not come with detailed installation instructions, as it is intended for users who are familiar with engine maintenance. However, basic installation guidelines may be found online or in vehicle maintenance manuals. If you're not comfortable with installation, seeking assistance from a qualified mechanic can ensure proper installation and functionality.

Cummins Breathers Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.