Worldwide Shipping
New 2A4429 Lock Keeper Replacement suitable for Caterpillar Equipment
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
Secure Checkout
•
Trusted Since 2012
Details
Description for 2A4429 Cylinder Head Parts
â–¶Specification for 2A4429 Cylinder Head Parts
â–¶Exact Fit Guarantee for 2A4429 Cylinder Head Parts
â–¶Reviews
Customer Reviews
This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
Great service They respond back very fast always try…
They respond back very fast always try there best to get what I need
Very friendly
Prices are reasonable
If there is a problem they fix it
Been working with them 4 years and hopefully many more
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!
The best supplier ever we mainly deal with most rare needed parts .. i highly recommend .. they are very very honest
Original Review (Spanish)
Si necesitas piezas de repuesto a buen precio para tu m?quina grande y quieres un servicio al cliente atento, esta tienda es una muy buena opci?n.
English Translation
If you need affordable replacement parts for your heavy equipment and want attentive customer service, this store is a very good option.
Will definitely use regularly!
Shipped the exact product we were looking for. Prompt Customer Service. Seamless cross-border shipping
Great site and price
Great company with outstanding customer service. Always get answers to my questions and always get my order to me quickly!
Very thorough ! Confirmed order and great communications.
Product Questions
Frequently Asked Questions
What is the Caterpillar Lock Keeper 2A4429?
The 2A4429 Lock Keeper is a small but critical retaining hardware component used on Caterpillar equipment to secure pins, bolts, or other fasteners in place during operation. It prevents unintended loosening caused by vibration, shock loads, and the repetitive stress common in heavy equipment work cycles.
Where is the Lock Keeper typically installed on Caterpillar equipment?
Lock Keepers are commonly found in bucket linkage assemblies, pin joints, work tool attachment points, and other high-vibration areas where maintaining secure pin retention is essential for safe and reliable operation.
How do I know if the 2A4429 Lock Keeper needs to be replaced?
Inspect your lock keepers during every service interval. Signs of wear or damage include visible bending or deformation, missing keepers at pin joints, unusual movement at bucket attachment points, or audible clanking from linkage areas. A missing or failed lock keeper can lead to pin loss and costly downtime.
Is this part compatible with my specific Caterpillar model?
The 2A4429 Lock Keeper fits a range of Caterpillar equipment. To confirm compatibility with your specific machine, please reach out to Propel Parts for help verifying fitment ??? our team can cross-reference your model and serial number quickly.
Is the 2A4429 a high-quality aftermarket part?
Yes. This is a premium aftermarket Lock Keeper that meets or exceeds OEM specifications in terms of hardness, dimensional accuracy, and durability. It is designed to function as a direct replacement for the original Caterpillar part.
Can I replace a Lock Keeper myself?
Yes, this is a relatively straightforward field repair. Use the correct pin removal tools, ensure the replacement keeper is properly seated and secured, and always double-check the installation before putting the machine back in service. Refer to your Caterpillar service manual for the exact procedure for your model.
Where can I find more hardware fasteners and retaining components for my CAT equipment?
If you need additional fasteners, pins, bolts, or retaining hardware, you can browse the full selection of Caterpillar hardware parts at Propel Parts ??? covering nuts, washers, cotter pins, and everything needed to keep your assemblies secure.
Compatible Models
This 2A4429 Cylinder Head Parts is compatible with the following models:
3204, 943 & 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.
Exact Fit Guarantee
Exact Fit Guarantee®
The right part — or we'll make it right.
Order Normally
Know your part number?
Simply place your order.
Not Sure?
Place your order, then send us your serial number before it ships.
We'll verify fit.
We Make It Right
Wrong part? We'll make it right.Fast. At our expense.