8T4223 Washer Hard for CAT Equipment

$0.15
In Stock • Ships Today • Order By 3pm ET
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Description for 8T4223 Washer

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This aftermarket Caterpillar 8T4223 Washer 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 Washer.
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 8T4223 Washer

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Replacement Part Number(s): 8T-4223
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: 0.10 LBS | 0.05 KG
Dimensions: 0.39 x 0.39 x 0.08 (inches)
Condition: New

Exact Fit Guarantee for 8T4223 Washer

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Looking for a reliable replacement Caterpillar 8T4223 Washer ? 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

★★★★★

Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended

★★★★★

Great service affordable parts

★★★★★

I almost want to cry ;( writing this review because I dont want people to find out about them and rather keep them in my pocket but they deserve it…
This company is great with Quality Products at amazing prices! Sometimes, their website is not the most accurate but is user friendly and if you got questions they will call back and are very prompt in responding via a call or text to verify inventory before placing an order.
I really appreciate and look forward to continuing to work with you all especially Anthony — he is amazing & the best!!!

★★★★★

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

★★★★★

Good Customer Service. Fast Shipping. A+++

★★★★★

Excellent service and quick response!

★★★★★

Prompt service, Friendly people and hassle free

★★★★★

Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.

★★★★★

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

★★★★★

The customer care response was very awesome. It was more than what I expected
The customer care response was very effective and timely
The response time was amazing
The availability of most of the parts that I wanted was also very awesome
Thanks keep it up

Product Questions

Frequently Asked Questions

What is the 8T4223 hard washer used for in Caterpillar equipment?

The 8T4223 hard washer is a heavy-duty washer designed for critical Caterpillar machinery applications. It helps evenly distribute the load from bolts or nuts, preventing surface damage and ensuring secure fastening. Its hardened design makes it ideal for high-stress areas exposed to vibration, pressure, or heavy mechanical loads.

Which Caterpillar machines use the 8T4223 hard washer?

Designed for use in a variety of Caterpillar machines and engine systems, the 8T4223 fits applications where reliable performance is essential. Since compatibility can vary by machine configuration and serial range, it\'s worth verifying the part number in your service manual before ordering — or reach out to Propel Parts for fitment confirmation.

Why is a hardened washer like the 8T4223 important in heavy equipment?

Hardened washers provide extra strength and reliability. The 8T4223 Caterpillar hard washer helps:

  1. Distribute clamping force evenly across the surface
  2. Protect components from damage caused by bolts or nuts
  3. Reduce fastener loosening due to vibration
  4. Resist wear, deformation, and high-load stress

These benefits ensure stable and dependable equipment operation under demanding conditions.

Does the 8T4223 hard washer meet OEM performance standards?

Yes, it does. Engineered to meet OEM specifications, the 8T4223 is a dependable replacement for the original part. If you\'re unsure whether it\'s the right match for your machine, contact Propel Parts and our team can assist.

How do you install the 8T4223 hard washer correctly?

Proper installation ensures secure fastening and equipment safety. General steps include:

  1. Turn off the equipment and make sure the work area is safe
  2. Remove the existing bolt or fastener from the assembly
  3. Inspect the mounting surface and fastener for wear or damage
  4. Place the new 8T4223 hard washer between the bolt head (or nut) and the surface
  5. Reinstall the fastener and tighten it according to the manufacturer's torque specifications

Always refer to your service manual for detailed instructions.

When should the 8T4223 hard washer be replaced?

Replace the washer if it shows signs of corrosion, cracks, deformation, or excessive wear. In heavy-duty equipment exposed to vibration and high loads, replacing worn washers with a 8T4223 washer replacement during maintenance helps maintain proper bolt tension and protects surrounding components.

Can I use an aftermarket replacement for the 8T4223 Caterpillar hard washer?

Of course. Premium aftermarket 8T4223 replacements built to OEM standards are a common and practical choice. What matters most is selecting a part that meets the required specs — ensuring proper fitment and reliable long-term performance.

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.

Exact Fit Guarantee

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