Hub Coupling 305-4950 3054950 Fits Caterpillar Cat E320D E323D 320D2 321D
Hub Coupling 305-4950 3054950 Fits Caterpillar Cat E320D E323D 320D2 321D is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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No Hidden Charges Upon Arrival
Compatibility Information
Description
Description
Hub Coupling 305-4950 3054950 — Fits Caterpillar Cat E320D, E323D, 320D2, 321D
The Hub Coupling 305-4950 is a new aftermarket replacement part designed to provide efficient connection and torque transmission between rotating shafts in heavy equipment. This listing includes one unit of the hub coupling, engineered specifically to fit a range of Caterpillar models for reliable performance and durability.
Part Details
- Condition: New, Aftermarket
- Quantity: 1
- Part Number: 305-4950, 3054950
- Application: Fits Caterpillar Cat E320D, E323D, 320D2, 321D, including variations such as 320D FM, 320D RR, 320D GC, 320D L, 320D LN, 320D LRR, 321D LCR, 323D L, 323D LN, 323D SA
Compatible Part Numbers
- 305-4950
- 3054950
Compatible Engines
- C6.4 Engine
- 3066 Engine
Compatible Equipment
- 323D L Excavator JLG00001-UP
- 320D FM Forest Swing Machine CYZ00001-UP
- 320D RR FM Forest Swing Machine SRT00001-UP
- 320D & 320D L Excavators MCH00001-UP
- 320D & 320D L Excavators FAL00001-UP
- 320D LRR Excavator XCK00001-UP
- 320D RR Excavator YDS00001-UP
- 320D LRR Excavator TAE00001-UP
- 320D LRR Excavator ZGB00001-UP
- 321D LCR Excavator MDT00001-UP
- 321D LCR Excavator NAS00001-UP
- 321D LCR Excavator PBD00001-UP
- 323D LN & 323D S Excavators RAC00001-UP
- 320D Forest Machines BZF00001-UP
- 320D Log Loader GKS00001-UP
- 323D L Excavator BYM00001-UP
- 320D & 320D L Excavators A6F00001-UP
- 320D L Excavator A9F00001-UP
- 320D FM Forest Swing Machine BWW00001-UP
- 320D & 320D L Excavators JFZ00001-UP
- 323D L Excavator NDE00001-UP
- 320D LN Excavator WBN00001-UP
- 320D Excavator BZP00001-UP
- 323D L Excavator LFL00001-UP
- 323D LN Mobile Hydraulic Power Unit DCJ00001-UP
- 323D L Excavator PBE00001-UP
- 323D L Excavator YSD00001-UP
- 323D & 323D L Excavators WGC00001-UP
- 320D L & 320D LN Excavators GDP00001-UP
- 320D LRR Excavator EJT00001-UP
- 320D & 320D L Excavators KLM00001-UP
- 320D RR & 320D LRR Excavators GMX00001-UP
- 320D L Excavator SPN00001-UP
- 321D LCR Excavator TXA00001-UP
- 321D LCR Excavator KBZ00001-UP
- 321D LCR Excavator MPG00001-UP
- 323D, 323D L & 323D LN Excavators CWG00001-UP
- 323D SA Excavator NES00001-UP
- 320D LRR Excavator DHE00001-UP
- 320D GC Excavator KTF00001-UP
- 320D GC Excavator PCM00001-UP
- 320D Excavator KHN00001-UP
- 323D L Excavator GTF00001-UP
- 320D Excavator JPD00001-UP
- 323D L Mobile Hydraulic Power Unit L5Z00001-UP
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
The Right Part, the First Time
Engine and hydraulic parts matched by part number, trusted by fleets, contractors and repair shops worldwide.
50,000+
Customers including fleets, workshops and machinery owners
100K+
Parts in stock and ready to ship
65+
Countries served worldwide
Since 2019
Supplying heavy equipment parts to the trade
Frequently Asked Questions
What is your return policy?
We accept returns within 60 days of delivery for unused parts in original packaging. To initiate a return, please submit your request through our return portal. Return shipping costs for non-defective items are the buyer's responsibility.
Can I cancel my order?
You may request a cancellation before your order has been dispatched. Once an order has been fulfilled and shipped, it cannot be cancelled — standard return terms will apply instead. Please contact us as soon as possible if you need to cancel.
What payment methods do you accept?
We accept all major credit and debit cards including Visa, Mastercard, and American Express. We also support PayPal, Apple Pay, and Google Pay at checkout. For B2B and trade customers, bank transfer and net payment terms may be available upon account approval — please contact us to discuss your requirements.
How long will delivery take?
Estimated delivery timeframes are displayed on most product pages and all tool listings. For parts without a displayed timeframe, standard delivery to US addresses is typically 5–10 business days from dispatch, depending on your location and the origin warehouse. Express shipping options may be available at checkout.
Will I be charged import tax or customs duties?
No. US customers are not charged any import fees or customs duties on their orders. The price you see is what you pay — there are no hidden charges added upon delivery.
How do I find out the shipping cost for my order?
You can get an estimated shipping cost directly on the cart page — just add your parts to the cart and enter your delivery zip code to see available shipping options and rates. For large or heavy orders requiring a freight quote, please contact us directly with your parts list and delivery zip code.
Do you offer trade accounts for US buyers?
Yes. US trade customers can apply for a B2B account to access volume pricing, bulk quotation, team invite and dedicated account support. Contact us directly to get started.
