New 1221880 Disc Replacement suitable for Caterpillar Equipment
- New Disc Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 1221880 Friction Disc
â–¶Specification for 1221880 Friction Disc
â–¶Exact Fit Guarantee for 1221880 Friction Disc
â–¶| Models | 416C, 416D, 420D, 424B, 424B HD, 424D, 426C, 428C, 428D, 430D, 432D, 436C, 438C, 438D, 442D, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B |
|---|---|
| Dimensions | 6.10x6.10x0.39 |
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When I had questions, they were answered quickly and kindly.
Thank you!! -
Fast response and very attentive! Thanks Deb.
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Customer Service.
I recently had to cancel an order with Propel Parts, and I was thoroughly impressed by the prompt and efficient service I received. Steven handled my request with professionalism and speed, ensuring a hassle-free process. I've purchased parts from Propel Parts before and have never been disappointed. Their consistent reliability and excellent customer service keep me coming back. -
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 -
Excellant customer service!
The prices are very good! The customer service is excellant! I had to contact them because our tax info wasn't right and they refunded it on the spot! Great job! we will be doing a lot more ordering from thi company. Highly recommended!
Frequently Asked Questions
What is the 1221880 disc used for?
The 1221880 disc transfers or controls motion through friction or clamping contact within its assembly. A flat, true disc engages smoothly and resists heat and wear.
How do I install the 1221880 disc?
Fitting the 1221880 correctly comes down to clean surfaces and following the manual sequence. Work through 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 1221880 in the correct orientation and stack order
- Reassemble to specification and confirm smooth engagement
Which Caterpillar machines is the 1221880 compatible with?
The 1221880 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Or reach out to Propel Parts for help verifying fitment.
Does the 1221880 disc meet performance standards?
Yes. Propel Parts supplies the 1221880 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.
How often should the 1221880 be replaced?
Replace the 1221880 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide.
What are the signs of a worn or failing 1221880 disc?
When the 1221880 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- 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 1221880 important, and what related parts work with it?
Replacing the 1221880 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. Related hardware on our site includes 7N4782 Spring Lifter and 2209090 Retainer.
This 1221880 Friction Disc is compatible with the following models:
416C, 416D, 420D, 424B, 424B HD, 424D, 426C, 428C, 428D, 430D, 432D, 436C, 438C, 438D, 442D, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B & 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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