New 3B4512 Lockwasher Replacement suitable for Caterpillar Equipment

  • New Lockwasher Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$0.24

4.7

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In Stock | Ships Out Today | Order By 3pm ET
SKU
3B4512CTP
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Description for 3B4512 Lockwasher

This aftermarket Caterpillar 3B4512 Lockwasher 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 Lockwasher.
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 3B4512 Lockwasher

Replacement Part Number(s): 3B-4512
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: 0.04 LBS | 0.02 KG
Dimensions: 1.26 x 1.26 x 0.20 (inches)
Condition: New

Exact Fit Guarantee for 3B4512 Lockwasher

Looking for a reliable replacement Caterpillar 3B4512 Lockwasher ? 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.
More Information
Dimensions 1.26x1.26x0.20
Customer Reviews
  1. 100%
    Australian buyer, sales where professional and very responsive with secure parts identification.
    Highly recommend.
    Bedrock Exploration Pty Lt, Australia

    Customer Follow-Up After Delivery:

    Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
    I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
    With thanks again.
    Regards, Gerard
  2. 100%
    GREAT CUSTOMER SERVICED
    WANTED TO THANK PROPEL PARTS FOR THEIR ATTENTION TO AN URGENT MATTER I HAD. THEY RESPONDED QUICKLY & RESOLVED IT. I ALSO WANTED TO MENYTION THAT OUR CUSTOMER'S ARE VERY HAPPY WITH THE PARTS EWE HAVE BEEN ORDERING FROM PROPEL. WE WILL DEFINITLEY CONTINUE TO DO BUSINESS.
  3. 100%
    Excellent service!! Yes, very satisfied with the service, you have been very kind!
  4. 100%
    Quick Respond.
    The quick respond much appreciated.
    Keep this up.
  5. 100%
    Will definitely use regularly!
    Shipped the exact product we were looking for. Prompt Customer Service. Seamless cross-border shipping
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Frequently Asked Questions

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What is the Caterpillar 3B4512 lockwasher used for?

The 3B4512 lockwasher is designed to secure bolts and fasteners in Caterpillar equipment assemblies. Its split-spring design helps maintain tension on the fastener, preventing bolts from loosening due to vibration, heavy loads, or continuous equipment operation.

What are the key specifications of the 3B4512 lockwasher?

The 3B4512 lockwasher typically features an inside diameter of approximately 0.761–0.791 inches, an outer diameter of about 1.010 inches, and a thickness of around 0.188 inches. These dimensions allow it to provide strong locking support for heavy-duty fasteners used in Caterpillar machinery.

Is the 3B4512 lockwasher an OEM-spec replacement part?

Yes. Many suppliers manufacture the 3B4512 lockwasher to meet U.S. OEM specifications, ensuring the same durability, fit, and performance as the original Caterpillar component used in equipment assemblies.

Why are lockwashers important in heavy equipment?

It does. The 3B4512 is designed to meet or exceed OEM specifications, providing consistent performance in the applications it was built for. Have questions about your specific machine? Reach out to Propel Parts for guidance.

How can I confirm if the 3B4512 lockwasher fits my Caterpillar machine?

To verify compatibility, check the equipment model, serial number, or existing part number. Many parts suppliers also confirm fitment using CAT SIS (Caterpillar Service Information System) before shipping to ensure the lockwasher matches your machine.

When should the 3B4512 lockwasher be replaced?

You should replace the lockwasher if it shows signs of wear, corrosion, deformation, or reduced spring tension. Replacing worn lockwashers during maintenance helps maintain secure fasteners and prevents unexpected equipment issues.

Does the 3B4512 lockwasher come with a warranty?

Propel Parts stands behind the products it offers. For questions about warranty coverage or return options on the 3B4512, contact the Propel Parts team directly for details specific to your order.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or 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.