New 8T4778 Locknut Unc Harde Replacement suitable for Caterpillar Equipment
Compatible Models: 1090, 1190, 1190T, 120H, 120M, 120M 2, 1290T, 12H, 12H ES, 12M, 12M 2, 12M 3, 12M 3 AWD, 1390, 140H, 140H ES, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14H, 14H NA, 14M, 160H, 160H ES, 160M, 160M 2 and more...
- New Locknut Unc Harde Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Six Month Financing
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4.7
(Site rating)- Buy online $0.88.
- Same day shipping. Discounted rates for US and International locations.
- Excellent warranty and no hassle returns.
- Bank transfers, credit cards and Paypal accepted.
- This Replacement part suitable for CAT Equipment.
- Replacement Part Number(s): 8T-4778.
- 0.20 lbs / 0.09 kg
Models | 1090, 1190, 1190T, 120H, 120M, 120M 2, 1290T, 12H, 12H ES, 12M, 12M 2, 12M 3, 12M 3 AWD, 1390, 140H, 140H ES, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14H, 14H NA, 14M, 160H, 160H ES, 160M, 160M 2 |
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Dimensions | 0.98x0.98x0.59 |
Is Costex Product | No |
Is Costex Updated | Yes |
OEM QUALITY | U.S. TESTED
This part was made to U.S OEM specs. QC was done at our ISO 9001 facilities to guarantee exact fit & performance.
UNSURE OF PART NUMBER?
Provide Serial Number to ensure right part. Call +1-877-228-3765 or Live Chat. We're available 24/7.
Serial Numbers can be found on:
1. Engine Valve Cover or Block Tag.
2. Equipment Body or Cabin

EASY RETURNS
We operate a 30 day no hassle return policy.
WARRANTY
In addition to no hassle returns, your part includes a 1 year unlimited warranty.
SAME DAY SHIPPING
Orders placed weekdays, by 3pm ET, ship out same day.
UNITED STATES & CANADA
Click Check Delivery Times for discounted Ground, 2-Day & Overnight rates
INTERNATIONAL SHIPPING
We have served customers in over 90 countries. Click Check Delivery Time .
TRACKING NUMBER
Tracking will be emailed within 24-48 hours of your order.
ACCEPT ALL DEBIT & CREDIT CARDS
We utilize Paypal’s SHA-256 SSL encryption to ensure your payment is secure.
NO CORE CHARGE & NO TAX
The price you see, is the price you pay. There is no core charge or tax for US customers.
INTERNATIONAL CUSTOMERS
In addition to Credit Cards, we accept Bank Wires for international customers.
DUTIES & TAXES
International customers are responsible for country specific Duties and Taxes.
Customer Reviews
Great company to deal with. Answered my questions with detail and shipped me the part in good time! I will be dealing with them more in the future!
Great Service!
Very helpful. Every question or request I had was answered quickly. I didn't have a parts book for my excavator but that was no problem for them. If you need parts for your Cat, give them a shot.
Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended
Received 15 items within 5 days from placing order ! Great. !
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
My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.
Good Customer Service. Fast Shipping. A+++
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!
Great customer service Anthony was very professional and on top of what needed to be done to get my order verified and moving forward.