New 7J9108 Seal O Ring Replacement suitable for Caterpillar Equipment

$0.15
In Stock • Ships Today • Order By 3pm ET
Excellent on Trustpilot
ppp-seal
Fit Guarantee

Exact Fit Guarantee

This part is guaranteed to fit your machine.

Wrong Part

Wrong Part?

We'll overnight correct part at no cost to you.

Secure Checkout Secure Checkout • Trusted Since 2012
Also accepts PayPal and Apple Pay
Details

Description for 7J9108 Seal O Ring

â–¶
This aftermarket Caterpillar 7J9108 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 7J9108 Seal O Ring

â–¶
Replacement Part Number(s): 7J-9108
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: 0.76 x 0.76 x 0.07 (inches)
Condition: New

Exact Fit Guarantee for 7J9108 Seal O Ring

â–¶
Looking for a reliable replacement Caterpillar 7J9108 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.
Reviews

Customer Reviews

★★★★★

A Delay Handled the Right Way
Honestly, if I were in Miami like my shipment was, I wouldn?t have been in a hurry to ship out either. I was frustrated at first ? delays cost me time on the job ? but Propel Parts stepped up.

Deb, Daniel and the team owned the mistake, kept the communication clear, and graciously refunded my shipping costs without making it a hassle. That kind of accountability is rare these days, and I genuinely appreciated how they handled it.

Things don?t always go perfectly, but these folks proved they?re more interested in doing right by their customers than just pushing parts out the door. Solid company, solid people.

? Jimmy Spong
Hartco Mobile Welding

P.S. Incredible quality on the pin as well. I had to do some custom modifying, and let?s just say the case hardening was ? well ? hard. Great Stuff! Thank you.

★★★★★

My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.

★★★★★

Great customer services, the best

★★★★★

GREAT CUSTOMER SERVICED
WANTED TO THANK PROPEL PARTS FOR THEIR ATTENTION TO AN URGENT MATTER I HAD. THEY RESPONDED QUICKLY & RESOLVED IT. I ALSO WANTED TO MENYTION THAT OUR CUSTOMER'S ARE VERY HAPPY WITH THE PARTS EWE HAVE BEEN ORDERING FROM PROPEL. WE WILL DEFINITLEY CONTINUE TO DO BUSINESS.

★★★★★

customer service and parts availability is fantastic

★★★★★

Quality Caterpillar parts
Very fast delivery and respons from Propel Parts
This is my second time that I bought something from it, first time delivery time was in one week from US to Serbia

★★★★★

Awesome and diligent support. Would definitely recommend

★★★★★

Propel Parts provided quality parts for my Caterpillar needs at a very fair price. Shipping to my international location was very fast. took about a week for the parts to get here. Seller is also responsive with my inquiry.
Thanks again

★★★★★

Cat blade pins.
Easy transaction good web site.

★★★★★

Great site and price

Product Questions

Frequently Asked Questions

What is the 7J9108 seal O-ring used for?

The 7J9108 seal O-ring is designed to create a secure seal within Caterpillar engine, hydraulic, or fuel system components. It helps prevent fluid leakage while maintaining proper pressure within the system. A properly functioning 7J9108 seal O-ring supports reliable equipment performance and helps protect internal components from contamination or fluid loss.

Which equipment is compatible with the 7J9108 seal O-ring?

Designed for use in a variety of Caterpillar machines and engine systems, the 7J9108 fits applications where reliable performance is essential. Since compatibility can vary by machine configuration and serial range, it\'s worth verifying the part number in your service manual before ordering — or reach out to Propel Parts for fitment confirmation.

What are the signs that a 7J9108 seal O-ring needs replacement?

A worn or damaged 7J9108 O-ring may cause several operational issues, including:

  1. Oil, fuel, or hydraulic fluid leaks
  2. Reduced system pressure
  3. Decreased equipment performance or efficiency
  4. Visible wear, cracking, or flattening of the seal

Replacing worn seals early helps maintain proper system function and prevents additional component damage.

Does the 7J9108 seal O-ring meet performance standards?

It does. The 7J9108 is designed to meet or exceed OEM specifications, providing consistent performance in the applications it was built for. Have questions about your specific machine? Reach out to Propel Parts for guidance.

How do you install the 7J9108 seal O-ring?

Proper installation helps ensure effective sealing. General installation steps include:

  1. Turn off the equipment and allow the system to cool.
  2. Remove the component that contains the O-ring seal.
  3. Carefully remove the worn or damaged O-ring.
  4. Clean the sealing surface and groove thoroughly.
  5. Install the new 7J9108 seal O-ring and ensure it sits properly in the groove.
  6. Reassemble the component and tighten according to manufacturer specifications.

Always refer to the equipment service manual for detailed installation instructions.

How often should the 7J9108 seal O-ring be replaced?

Seal O-rings typically do not have a fixed replacement schedule. However, they should be inspected during routine maintenance, hydraulic servicing, or when components are disassembled. In heavy-duty environments with high pressure and temperature, replacing worn seals such as the 7J9108 O-ring helps maintain reliable equipment operation.

Can I use a premium aftermarket 7J9108 seal O-ring replacement?

Many equipment owners rely on premium aftermarket 7J9108 replacements as a cost-effective alternative. When built to meet or exceed OEM specs, they provide the same reliability, fitment, and performance as the original part.

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

Exact Fit Guarantee

Exact Fit Guarantee®

The right part — or we'll make it right.

1

Order Normally

Know your part number?
Simply place your order.

2

Not Sure?

Place your order, then send us your serial number before it ships.

We'll verify fit.
Truck Icon
3

We Make It Right

Wrong part? We'll make it right.

Fast. At our expense.