New 3284374 Disc-Friction Replacement suitable for Caterpillar Equipment

$46.44
In Stock • Ships Today • Order By 3pm ET
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Details

Description for 3284374 Friction Disc

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This aftermarket Caterpillar 3284374 Friction Disc 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 Friction Disc.
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 3284374 Friction Disc

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Replacement Part Number(s): 328-4374
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: 1.95 LBS | 0.88 KG
Dimensions: 16.14 x 16.14 x 0.39 (inches)
Condition: New

Exact Fit Guarantee for 3284374 Friction Disc

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Looking for a reliable replacement Caterpillar 3284374 Friction Disc ? 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

★★★★★

Fast response and very attentive! Thanks Deb.

★★★★★

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

★★★★★

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

★★★★★

Very prompt services !

★★★★★

Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!

★★★★★

rapid response!

★★★★★

Great company with outstanding customer service. Always get answers to my questions and always get my order to me quickly!

★★★★★

Always helpful and great pricing

★★★★★

:) great service

★★★★★

100% excelente

Product Questions

Frequently Asked Questions

What is the 3284374 disc used for?

The 3284374 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 3284374 disc?

Fitting the 3284374 correctly comes down to clean surfaces and following the manual sequence. Work through these steps:

  1. Shut down the machine and follow lockout procedures
  2. Remove the old disc and inspect the housing and mating faces
  3. Clean all contact areas and check for warping or glazing
  4. Install the 3284374 in the correct orientation and stack order
  5. Reassemble to specification and confirm smooth engagement

Which Caterpillar machines is the 3284374 compatible with?

The 3284374 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. If you are unsure don't hesitate to reach out to Propel Parts for help verifying fitment.

Does the 3284374 disc meet performance standards?

Yes. Propel Parts supplies the 3284374 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 3284374 be replaced?

Replace the 3284374 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 3284374 disc?

When the 3284374 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 3284374 important, and what related parts work with it?

Replacing the 3284374 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 4W5717 Clamp.

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

This 3284374 Friction Disc is compatible with the following models:
30/30, 572R II, 583R, 583T, 587R, 587T, 611, 615C, 814F, 814F II, 815B, 815F, 815F II, 816F, 816F II, 966D, 966G, 966G II, 972G, 972G II, 972H, 972K, 980C, 980F, 980G, 980G II, 980H, 980K, D250E, D250 & more...

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.

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