9W6645 Caterpillar Seal Duo-cone propelparts

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9W6645 Seal Gr for CAT 120H, 120H ES, 120H NA & more

Name: 9W6645 Seal Gr for CAT 120H, 120H ES, 120H NA & more
Brand: Aftermarket CAT
SKU: 9W6645CTP
Price: 30.45 USD
Availability: InStock
Rating: 4.7 (113 reviews)

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New Seal Gr Replacement suitable for Caterpillar Equipment
Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$30.45

4.7

(Site rating)

In Stock | Ships Out Today | Order By 3pm ET

SKU

9W6645CTP

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Details

Description for 9W6645 Seal Duo-cone

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This aftermarket Caterpillar 9W6645 Seal Duo-cone 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 Duo-cone.

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 9W6645 Seal Duo-cone

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Replacement Part Number(s): 9W-6645, 5K5288, 5K-5288

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: 1.04 LBS | 0.47 KG

Dimensions: 7.28 x 1.57 x 7.09 (inches)

Condition: New

Exact Fit Guarantee for 9W6645 Seal Duo-cone

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Looking for a reliable replacement Caterpillar 9W6645 Seal Duo-cone ? 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

More Information
Models	120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA, 518, 920, 930
Dimensions	7.28x1.57x7.09

Reviews

Customer Reviews

PMC Parts (Colorado, USA) 05/02/2025

100%

Fast response and very attentive! Thanks Deb.
Ndaula moses kitayimbwa (Uganda) 02/14/2025

100%

I own old cat bulldozers D8k,D8H,D8N that required frequent repairs and servicing. it was erratic and practically cumbersome to keep them running without constant supply of reliable
and affordable spares in Uganda a third world country however,since I started dealing with propel parts US,my bulldozers have earned reliability and efficiency in providing high quality services to clients and making me a great dependable construction company in earth moving.
My shipments are always handled expeditiously and delivered in record time to Uganda this is awesome from Propelparts.
My business is booming by the clock for finding the best partner in Propelparts.
Manuel Rodríguez (Florida, USA) 04/25/2024

100%

100% excelente
Jacob Denny (Kentucky, USA) 03/13/2024

100%

My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.
Ray Gordon (North Carolina, USA) 08/08/2023

100%

Excellent customer service and parts.
You guys have always gave excellent customer service!!! Very prompt responsiveness. Warranty services are superb. I have been using them for quite awhile now on equipment I have. Always great prices for parts! Keep up the great work guy's

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Product Questions

Frequently Asked Questions

Product

What is the 9W6645 Seal Gr used for?

This seal prevents fluid or air leaks within hydraulic systems or machinery components, ensuring smooth operation and preventing contamination.

How to Install this 9W6645 Seal Gr?

Please follow the instructions below to install
1. Clean the surrounding area thoroughly.
2. Remove the old seal,
3. Carefully align the new seal, and press it into place using appropriate tools.
4. Avoid damaging the seal edges and ensure it sits flush.
5. Reassemble components and test for leaks before full operation.

Can this 9W6645 seal prevent all types of leaks?

While it effectively prevents fluid and air leaks in its intended application, proper installation and maintenance are essential for optimal performance.

How often should I replace this 9W6645 seal?

Replacement depends on usage and operating conditions. Inspect the seal during routine maintenance, especially if you notice fluid leaks or reduced hydraulic performance.

What should I do if there’s a leak after installation?

Check that the seal is correctly aligned and seated. Ensure the surrounding surface is clean and free of damage. Reinstall if necessary, and verify system pressure and component fit to prevent further issues.

Which models are compatible with this seal?

This seal fits a wide range of models, including 120G, 120H, 120H ES, 12G, 12H, 130G, 135H, 140G, 140H, 143H, 14G, 14H, 160G, 160H, 160K, 163H, 518, 920, 930, and more. Always confirm your machine’s model before purchase. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

How durable is the 9W6645 Seal Gr?

This 9W6645 seal gr is designed to OEM specifications, offering long-lasting performance when installed and maintained properly.

Questions About this Part?

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Compatible Models

This 9W6645 Seal Duo-cone is compatible with the following models:
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA, 518, 920, 930 & more...

Shipping | 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.