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New 4K0043 Steel Pin Replacement suitable for Caterpillar Equipment
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Description for 4K0043 Steel Pin
â–¶Specification for 4K0043 Steel Pin
â–¶Exact Fit Guarantee for 4K0043 Steel Pin
â–¶Reviews
Customer Reviews
My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.
They are great !
Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
Great service affordable parts
Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended
I’ve been ordering parts from propel for about 3 years & counting. I live in Hawaii where we have a hard time getting parts especially for decent prices with fast shipping. I've been 100% satisfied with the company and the customer service and will continue to use them. I recommend propel to everyone here in Hawaii and we are all happy to have you guys. Thank you!!!
Great service affordable parts
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
Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.
Excelente servicio rapido, responsable y confiable
Product Questions
Frequently Asked Questions
What is the 4K0043 pin used for?
The 4K0043 pin locates and connects components, transferring load while allowing the designed movement between parts. A sound pin keeps the linkage tight and accurate.
How do I install the 4K0043 pin?
To install the 4K0043 properly, prepare the area first and confirm the result afterward. Use these steps:
- Shut the machine down and support the assembly before service
- Drive or press out the old pin and inspect the bores
- Clean and check the bores for wear or ovality
- Fit the 4K0043 with the correct orientation and retention
- Confirm the joint moves correctly and is properly secured
Which Caterpillar machines is the 4K0043 compatible with?
The 4K0043 pin is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. 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 4K0043 pin meet performance standards?
Yes. The 4K0043 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 4K0043 be replaced?
Service life for the 4K0043 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure.
What are the signs of a worn or failing 4K0043 pin?
A worn 4K0043 usually gives early warning through the assembly it supports. Watch for these signs:
- Play, knocking, or rattling at the joint
- Visible wear, scoring, or galling on the pin
- Misalignment of the connected parts
- A loose or backed-out retainer
Why is the 4K0043 important, and what related parts work with it?
A sound 4K0043 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. Related hardware on our site includes 3K6837 Ring and 3P8681 Bearing Cone.
Compatible Models
This 4K0043 Steel Pin is compatible with the following models:
12E, 12F, 613, 920, 930, 941, 950, 951, 951B, 955, 955H, 955K, 955L, 966C, 977K, 980 & more...
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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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