New 8T4133 Nut-Unc Hardened Replacement suitable for Caterpillar Equipment

$0.12
In Stock • Ships Today • Order By 3pm ET
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Description for 8T4133 Hex Nut

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This aftermarket Caterpillar 8T4133 Hex Nut 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 Nut.
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 8T4133 Hex Nut

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Replacement Part Number(s): 8T-4133
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: 0.03 LBS | 0.01 KG
Dimensions: 0.79 x 0.79 x 0.24 (inches)
Condition: New

Exact Fit Guarantee for 8T4133 Hex Nut

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Looking for a reliable replacement Caterpillar 8T4133 Hex Nut ? 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.
Reviews

Customer Reviews

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Very knowledgeable and quick to quote parts.
Very quick to respond to parts quotes. Knowledgeable and Polite, and very quick shipping. Definitely will purchase parts from these guys in the future.

★★★★★

Been buying from them for years and have almost never had an issue. The few times I had a question or something to handle, they have shown amazing customer service. Great product and a great company.

★★★★☆

Above and Beyond
Staff took care of issue that was nit created by them. Package was lost by UPS. Propel sent me another part Next Day Air to correct it.

★★★★★

Good service, quick response.

★★★★★

Science I buy parts from propel parts I don’t have to spend too much down time always on time and good service

★★★★★

I own old cat bulldozers D8k,D8H,D8N that required frequent repairs and servicing. it was erratic and practically cumbersome to keep them running without constant supply of reliable
and affordable spares in Uganda a third world country however,since I started dealing with propel parts US,my bulldozers have earned reliability and efficiency in providing high quality services to clients and making me a great dependable construction company in earth moving.
My shipments are always handled expeditiously and delivered in record time to Uganda this is awesome from Propelparts.
My business is booming by the clock for finding the best partner in Propelparts.

★★★★★

BEST for Heavy Equipment Parts.
Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you!

★★★★★

Propel parts is a very reliable parts source for heavy equipment
Quick response,good quality parts,favourable prices and always deliver on time

★★★★★

Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.

★★★★★

Fast communication, and very Helpful!

Product Questions

Frequently Asked Questions

What is the 8T4133 nut used for?

The 8T4133 nut threads onto a bolt or stud to create and hold clamp load, locking the joint together against vibration. The right nut keeps a fastened assembly secure.

How do I install the 8T4133 nut?

To install the 8T4133 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 on the stud or bolt and inspect them
  3. Thread the 8T4133 on by hand to confirm it runs freely
  4. Tighten to the specified torque in the correct sequence
  5. Re-check the torque after the first operating cycle if advised

Which Caterpillar machines is the 8T4133 compatible with?

The 8T4133 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Or reach out to Propel Parts for help verifying fitment.

Does the 8T4133 nut meet performance standards?

Yes. Propel Parts supplies the 8T4133 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.

How often should the 8T4133 be replaced?

Replace the 8T4133 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide.

What are the signs of a worn or failing 8T4133 nut?

A worn 8T4133 usually gives early warning through the assembly it supports. Watch for these signs:

  • A loosening joint or lost torque
  • Rounded, stripped, or corroded threads
  • A nut that won't hold position under vibration
  • Damage to the mating washer or surface

Why is the 8T4133 important, and what related parts work with it?

A sound 8T4133 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 4E9311 Bolt and 3B4514 Lockwasher.

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

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