New 4M0189 Seal O Ring Replacement suitable for Caterpillar Equipment

  • New Seal O Ring Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$0.27

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
4M0189CTP
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Description for 4M0189 Seal O Ring

This aftermarket Caterpillar 4M0189 Seal O Ring is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Seal O Ring.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 4M0189 Seal O Ring

Replacement Part Number(s): 4M-0189
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 0.01 LBS | 0.00 KG
Dimensions: 4.53 x 4.53 x 0.12 (inches)
Condition: New

Exact Fit Guarantee for 4M0189 Seal O Ring

Looking for a reliable replacement Caterpillar 4M0189 Seal O Ring ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Dimensions 4.53x4.53x0.12
Customer Reviews
  1. 80%
    Everything fine, thank you. The only thing with which I had a problem in your Software, is that when I have more than 10 different items on the list, I can't scroll to the first ones. But besides that, I am very happy in going on with buying your parts.
  2. 100%
    Excellent service and very very good service
  3. 100%
    Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!
  4. 100%
    Excellent experience.
    Mike has been very helpful. I am looking forward to keep doing business with them
  5. 100%
    Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
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Frequently Asked Questions

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What is the 4M0189 seal O-ring used for?

The 4M0189 seal O-ring is designed to create a secure seal between components in Caterpillar equipment systems. It helps prevent the leakage of fluids such as oil, fuel, or hydraulic fluid while maintaining proper pressure within the system. A properly functioning 4M0189 O-ring helps ensure reliable equipment performance and protects internal components from contamination or fluid loss.

Which Caterpillar equipment commonly uses the 4M0189 O-ring?

Always confirm the 4M0189 part number in your equipment manual before ordering, as fitment may vary by machine model and configuration. Contact Propel Parts if you need assistance identifying the correct fit.

What are the signs that a seal O-ring like 4M0189 needs replacement?

A worn or damaged 4M0189 seal O-ring can lead to several performance issues, including:

  1. Oil, fuel, or hydraulic fluid leaks near sealed components
  2. Reduced system pressure or efficiency
  3. Visible wear, cracks, or flattening of the O-ring
  4. Contamination entering the system

Replacing worn seals early can help prevent equipment damage and maintain optimal system performance.

Does the 4M0189 seal O-ring meet performance standards?

The 4M0189 meets OEM performance standards and is built to handle the same demanding conditions as the original. Need help confirming compatibility? The Propel Parts team can help identify the correct fit for your application.

How do you install the 4M0189 seal O-ring?

Proper installation is important to maintain an effective seal. General installation steps include:

  1. Turn off the equipment and allow it to cool.
  2. Disassemble the component that contains the O-ring.
  3. Carefully remove the worn or damaged O-ring.
  4. Clean the sealing groove and surrounding surfaces thoroughly.
  5. Install the new 4M0189 O-ring into the correct groove.
  6. Reassemble the components and tighten according to manufacturer

> specifications. Always follow the equipment's service manual for detailed installation instructions.

How often should O-rings like the 4M0189 be replaced?

Seal O-rings do not usually have a fixed replacement schedule, but they should be inspected during routine maintenance, component servicing, or whenever leaks are detected. In heavy-duty applications, replacing worn seals with a 4M0189 O-ring replacement helps maintain proper sealing and ensures consistent equipment performance.

Can I use a premium aftermarket 4M0189 O-ring replacement?

Yes, and many equipment operators prefer them. Premium aftermarket 4M0189 parts manufactured to meet or exceed OEM specs deliver comparable performance to original parts, often at a lower cost, while maintaining proper system function.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

Shipping

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.

We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.

Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Warranty

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.