9X7505 Seal As for CAT D8L, D9N, D9R & more
- New Seal As Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 9X7505 Seal Assem
â–¶Specification for 9X7505 Seal Assem
â–¶Exact Fit Guarantee for 9X7505 Seal Assem
â–¶| Models | D8L, D9N, D9R, 7A, 7S, 7SU, 7U, 8SU, 8, D7E, D7R, D7R II, D8R, D8R II, D8T, D9T, 57H, 572R, 572R II, 3176C, 3306, 3406, 3406C, 3406E, 3408, 3408C, 3408E, C15, C18, C9, C9.3 |
|---|---|
| Dimensions | 5.51x1.18x5.51 |
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Very helpful. Every question or request I had was answered quickly. I didn't have a parts book for my excavator but that was no problem for them. If you need parts for your Cat, give them a shot.
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BEST for Heavy Equipment Parts.
Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you! -
Propel parts is a good Cat vendor that provides a top notch service to customers from ordering to delivery. Their after sales service is really impressive.
Frequently Asked Questions
What is the Caterpillar Seal AS 9X7505 used for?
The 9X7505 Seal AS is designed to create a leak-free barrier in critical sealing applications on Caterpillar heavy equipment. It is commonly used in engine assemblies, drivetrain systems, and transmission areas where maintaining fluid integrity under high heat and pressure is essential for reliable performance.
Which Caterpillar models is the 9X7505 Seal compatible with?
This seal is compatible with a wide range of Caterpillar machines and engines, including the D7E, D7R, D8R, D8T, D9R, D9T, 572R, as well as engines such as the 3176C, 3306, 3406, 3406C, 3406E, 3408, 3408C, 3408E, C15, C18, C9, and C9.3, among others. Check your manual or reach out to Propel Parts for help verifying fitment.
Is this a high-quality aftermarket part or an original Caterpillar seal?
The 9X7505 Seal AS offered by Propel Parts is a high-quality aftermarket replacement that meets or exceeds OEM specifications. It is manufactured to precise dimensional tolerances and material standards to ensure it performs like your original seal in demanding field conditions.
How do I know if my Caterpillar equipment needs a new Seal AS?
Common signs that your seal needs replacement include visible fluid leaks near the sealed joint, oil or fluid residue buildup on surrounding components, unusual drivetrain noise, or a drop in system fluid levels without an obvious cause. Inspect seals during every scheduled maintenance to catch wear early.
Can I install the 9X7505 Seal AS myself?
With the right tools and mechanical experience, yes ??? but proper installation is critical. The seal must be seated squarely and evenly to avoid leaks. Using a seal driver or appropriate press tool and following the torque specifications in your service manual is strongly recommended. If you are unsure, a qualified technician should handle the job.
What materials is this seal made from?
The 9X7505 Seal AS is constructed from high-grade elastomeric and/or metal materials engineered for resistance to heat, oil, fuel, and mechanical wear. This ensures a durable, long-lasting seal even under the extreme operating conditions typical of Caterpillar bulldozers, dozers, and large engine platforms.
Where can I find more sealing options for my Caterpillar equipment?
If you need additional sealing components for your machine, browse the full range of heavy equipment seals and gaskets at Propel Parts ??? including oil seals, lip seals, and complete seal kits for a variety of CAT models.
This 9X7505 Seal Assem is compatible with the following models:
D8L, D9N, D9R, 7A, 7S, 7SU, 7U, 8SU, 8, D7E, D7R, D7R II, D8R, D8R II, D8T, D9T, 57H, 572R, 572R II, 3176C, 3306, 3406, 3406C, 3406E, 3408, 3408C, 3408E, C15, C18, C9, C9.3 & more...

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.

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.

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.
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