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New 8Y4388 Lining/8V1661 Replacement suitable for Caterpillar Equipment
- New Lining/8V1661 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 8Y4388 Lining
â–¶Specification for 8Y4388 Lining
â–¶Exact Fit Guarantee for 8Y4388 Lining
â–¶| Dimensions | 8.00x8.00x1.00 |
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At the beginning, I experienced significant delays and communication issues regarding my order, which honestly caused serious concern because the parts were urgently needed for an important project.
However, after continuous follow-up, the Propel Parts team handled the matter professionally, provided shipment tracking, and the parts finally arrived successfully.
I especially appreciate their willingness to communicate, acknowledge the issue, and continue working toward resolving the situation.
In international business, delays can sometimes happen, but what matters is the final commitment to resolving the issue properly.
Thank you to Daniel and the team, and hopefully future transactions will be smoother for both sides. -
The Double Order Catastrophe
My co-worker placed an order and wasn't sure it went through online. I later placed the same order thinking the previous order didn't go through. To my surprise both orders went through, and I needed to cancel one of the orders. I called and spoke with someone who instructed me someone would contact me about the situation. I was contacted by Misty and she said she would do her best to cancel one of the orders but not sure if she could because they were next day orders. A small tome later I received an email saying she was able to cancel one of the orders. Thank you to Misty and the entire Propel Parts Team. Greatly appreciated!! -
Great company with outstanding customer service. Always get answers to my questions and always get my order to me quickly!
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Fast response and very attentive! Thanks Deb.
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Propel parts is a very reliable parts source for heavy equipment
Quick response,good quality parts,favourable prices and always deliver on time
Frequently Asked Questions
What is the 8Y4388 disc used for?
The 8Y4388 is a friction or drive disc that needs an even surface to engage reliably and handle the heat generated in service.
How do I install the 8Y4388 disc?
To install the 8Y4388 properly, prepare the area first and confirm the result afterward. Use these steps:
- Shut down the machine and follow lockout procedures
- Remove the old disc and inspect the housing and mating faces
- Clean all contact areas and check for warping or glazing
- Install the 8Y4388 in the correct orientation and stack order
- Reassemble to specification and confirm smooth engagement
Which Caterpillar machines is the 8Y4388 compatible with?
Fitment for the 8Y4388 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.
Does the 8Y4388 disc meet performance standards?
Yes. The 8Y4388 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.
How often should the 8Y4388 be replaced?
Plan to replace the 8Y4388 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit. When servicing this area, the 8M4295 Spring is commonly replaced at the same time.
What are the signs of a worn or failing 8Y4388 disc?
A worn 8Y4388 usually gives early warning through the assembly it supports. Watch for these signs:
- Slipping or inconsistent engagement
- Reduced performance under load
- Glazing, scoring, or thinning of the surface
- Unusual noise, heat, or a burning smell
Why is the 8Y4388 disc important, and what related part is commonly replaced with it?
A sound 8Y4388 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. During an overhaul, the 7K1293 Strip is frequently replaced alongside this part.
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®
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.
1 YEAR UNLIMITED WARRANTY
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EASY RETURNS & FAST REFUNDS
