2421811 CAT Bolt-Cylinder Hea

2421811 | CAT Bolt-Cylinder Hea
$6.15
In Stock • Ships Today • Order By 3pm ET
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SKU
2421811
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Description for 2421811 Hex Bolt

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This aftermarket Caterpillar 2421811 Hex Bolt 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 Hex Bolt.
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 2421811 Hex Bolt

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Replacement Part Number(s): 242-1811
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: 0.71 LBS | 0.32 KG
Dimensions: 3.94 x 3.94 x 2.56 (inches)
Condition: New

Exact Fit Guarantee for 2421811 Hex Bolt

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Looking for a reliable replacement Caterpillar 2421811 Hex Bolt ? 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 3.94x3.94x2.56
Customer Reviews
  1. 100%
    I have ordered from here a lot over the last couple years. Customer service has been great! Best place to get pins and bushings for your buckets! I will order from here again.
  2. 100%
    Our CSR for Dymax Inc., Deb, has been extremely helpful and consistently provides quick, accurate information regarding parts and inventory. When we encounter difficulties finalizing transactions through the internal website, she is able to promptly generate quotes and provide an external, secure method for payment. Her responsiveness and willingness to assist play a key role in supporting our team’s success.
  3. 100%
    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.
  4. 100%
    :) great service
  5. 100%
    Excellent and prompt response.
    Propel parts team helped me greatly regarding a special request and I always get prompt response.
    They’re fantastic!
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Frequently Asked Questions

Product

What is the 2421811 bolt used for?

The 2421811 bolt clamps components together with a controlled, repeatable force that holds them aligned under load and vibration. Reliable bolts are fundamental to a secure assembly.

How do I install the 2421811 bolt?

To install the 2421811 properly, prepare the area first and confirm the result afterward. Use these steps:

  1. Shut the machine down and isolate power before service
  2. Clean the threads and mating faces so debris doesn't affect clamp load
  3. Inspect the threaded bore and the 2421811 for damage
  4. Start the bolt by hand to avoid cross-threading
  5. Torque it to the value and sequence listed in your service manual
  6. Re-check torque after the first operating cycle if the manual advises

Which Caterpillar machines is the 2421811 compatible with?

The 2421811 bolt 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 unsure don't hesitate to reach out to Propel Parts for help verifying fitment.

Does the 2421811 bolt meet performance standards?

Yes. The 2421811 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 2421811 be replaced?

Service life for the 2421811 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 2421811 bolt?

A worn 2421811 usually gives early warning through the assembly it supports. Watch for these signs:

  • Loss of torque or a slowly loosening joint
  • Stripped, galled, or corroded threads
  • Visible stretching or a necked-down shank
  • Movement, fretting, or leaks at the joint

Why is the 2421811 important, and what related parts work with it?

A sound 2421811 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 02290-11016 Plow Nut and 1661487 Shim 2 mm Thick.

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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