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6V9748 Seal Oil for CAT 814F II, 611, 613C & more
- New Seal Oil Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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This part is guaranteed to fit your machine.
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Description for 6V9748 Oil Seal
▶Specification for 6V9748 Oil Seal
▶Exact Fit Guarantee for 6V9748 Oil Seal
▶| Models | 814F, 814F II, 611, 613C, 615C, 627E, 627G, 637D, 637E, 637G, 657E, 657G, 611, 613C II, 615C, 615C II, 627E, 613G, 924F, 928G, 938F, 938G, 950F, 950F II, 950G, 960F, 962G, 966D, 966E, 966F, 525B, 52 |
|---|---|
| Dimensions | 2.76x2.76x0.47 |
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Fast communication, and very Helpful!
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The gentleman was very helpful
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Great customer service answered email question quickly.
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Frequently Asked Questions
What is the function of the 6V9748 oil seal?
The 6V9748 oil seal is designed to prevent oil leakage and protect internal components in engines, transmissions, hydraulic systems, or other fluid‑containing assemblies on Caterpillar machines. It creates a tight barrier that keeps lubricant inside and contaminants like dirt and moisture out.
How do I install the 6V9748 oil seal?
Here’s a general installation guide:
- Park the machine on level ground and shut off the engine.
- Relieve any pressure in the system (oil, transmission, or hydraulics) before removing components.
- Access the seal area and carefully remove the old worn seal without damaging the housing.
- Clean the seal bore and shaft surface thoroughly.
- Lightly coat the new 6V9748 oil seal with compatible oil or grease.
- Press the seal evenly into its groove or bore using a seal driver or suitable tool so it sits flush.
- Reassemble components and run the system to check for proper sealing.
Which machines use the 6V9748 oil seal?
This oil seal is highly versatile and fits a very broad range of Caterpillar equipment models, including loaders, dozers, excavators, graders, and articulated trucks. Compatible machines include 814F, 814F II, 611, 613C, 615C, 627E/G, 637D/E/G, 657E/G, 924F, 928G, 938F/G, 950F/G, 960F, 962G, 966D/E/F, 525B/C, 535B/C, 545C, and many more across engines, transmissions, and hydraulic systems. Please reach out to Propel Parts for help verifying fitment.
Does the 6V9748 oil seal meet performance expectations?
Yes. The 6V9748 oil seal is manufactured to meet or exceed OEM quality standards, designed for reliable sealing performance and durability under demanding conditions. It undergoes quality checks to ensure proper fit and function comparable to original Caterpillar parts.
How often should the 6V9748 oil seal be inspected or replaced?
Inspect oil seals during routine maintenance or anytime the related system is serviced (engine, transmission, or hydraulics). Check for leaks, hardening, cracking, or deformation. Replace the seal if any signs of wear or leakage are present to maintain system efficiency and prevent fluid loss.
What are common signs that the 6V9748 oil seal needs replacement?
Typical indicators include:
- Visible oil leakage around the seal area
- Low oil or fluid levels
- Dirt or moisture contamination near the seal
- Cracked, hardened, or deformed seal material
Why is using a quality oil seal like the 6V9748 important for equipment performance?
A quality oil seal helps maintain proper lubrication and pressure inside critical systems while keeping contaminants out. Using a seal that meets or exceeds OEM specifications improves machine reliability, reduces downtime from leaks and failures, and extends the service life of engines, transmissions, and hydraulic systems.
This 6V9748 Oil Seal is compatible with the following models:
814F, 814F II, 611, 613C, 615C, 627E, 627G, 637D, 637E, 637G, 657E, 657G, 611, 613C II, 615C, 615C II, 627E, 613G, 924F, 928G, 938F, 938G, 950F, 950F II, 950G, 960F, 962G, 966D, 966E, 966F, 525B, 52 & more...
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.
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