New 3B4618 Cotter Pin Replacement suitable for Caterpillar Equipment

  • New Cotter Pin Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

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$0.05
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SKU
3B4618CTP
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Description for 3B4618 Cotter Pin

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This aftermarket Caterpillar 3B4618 Cotter Pin 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 Cotter Pin.
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 3B4618 Cotter Pin

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Replacement Part Number(s): 3B-4618
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: 0.01 LBS | 0.00 KG
Dimensions: 1.77 x 1.77 x 0.08 (inches)
Condition: New

Exact Fit Guarantee for 3B4618 Cotter Pin

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Looking for a reliable replacement Caterpillar 3B4618 Cotter Pin ? 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 1.77x1.77x0.08
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Frequently Asked Questions

Product

What is the 3B4618 pin used for?

The 3B4618 is a pin used to join or align components, carrying shear load and maintaining correct positioning in the assembly.

How do I install the 3B4618 pin?

A reliable installation of the 3B4618 starts with inspection and ends with verification. Follow this process:

  1. Shut the machine down and support the assembly before service
  2. Drive or press out the old pin and inspect the bores
  3. Clean and check the bores for wear or ovality
  4. Fit the 3B4618 with the correct orientation and retention
  5. Confirm the joint moves correctly and is properly secured

Which Caterpillar machines is the 3B4618 compatible with?

Fitment for the 3B4618 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. Please reach out to Propel Parts for help verifying fitment.

Does the 3B4618 pin meet performance standards?

Yes. The 3B4618 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.

How often should the 3B4618 be replaced?

Plan to replace the 3B4618 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit.

What are the signs of a worn or failing 3B4618 pin?

Catching a failing 3B4618 early prevents wider damage. The common warning signs include:

  • 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 3B4618 important, and what related parts work with it?

Keeping the 3B4618 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. Related hardware on our site includes 1693104 Ring Backup and 9R0139 Bearing Sleeve.

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.

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