New 4J8997 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
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
Description for 4J8997 Seal O Ring
â–¶Specification for 4J8997 Seal O Ring
â–¶Exact Fit Guarantee for 4J8997 Seal O Ring
â–¶| Dimensions | 1.38x1.38x0.14 |
|---|
-
Quick and prompt support. Easy to work with. They had the parts in stock which is even better. Great pricing.
-
The gentleman was very helpful
-
Great customer service.
Prompt , knowledgeable and friendly service. -
Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended
-
Excellent experience.
Mike has been very helpful. I am looking forward to keep doing business with them
Frequently Asked Questions
What is the Caterpillar 4J8997 seal O-ring used for?
The 4J8997 seal O-ring is designed to create a secure seal between Caterpillar equipment components, helping prevent fluid leaks and contamination in hydraulic and engine systems.
What are the benefits of using a high-quality O-ring seal?
- Helps maintain proper system pressure
- Reduces the risk of fluid leakage
- Supports long-term equipment reliability and performance
What are common signs that an O-ring should be replaced?
Signs include cracking, flattening, hardening, leakage, or reduced sealing effectiveness during operation.
Why are O-rings important in heavy equipment systems?
O-rings help protect hydraulic and engine systems from contamination while maintaining proper sealing and pressure retention.
Is the 4J8997 O-ring compatible with multiple Caterpillar machines?
Yes, this O-ring may fit various Caterpillar equipment applications depending on the machine configuration. Check your manual or reach out to Propel Parts for help verifying fitment.
Are aftermarket O-ring seals dependable?
Yes. High-quality aftermarket O-ring seals that meet or exceed OEM specifications provide reliable sealing performance and durability in demanding operating conditions.
Are related sealing components available for similar applications?
Yes, components such as the Caterpillar 8C0563 seal O-ring are commonly used in related Caterpillar hydraulic and engine systems.

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.
Exact Fit Guarantee®
The right part — or we'll make it right.
Order Normally
Know your part number? Simply place your order.
Not Sure?
Place your order, then send us your serial number before it ships.
We'll verify fit.We Make It Right
Wrong part? We'll make it right.Fast. At our expense.
Worldwide Shipping










































