8T4223 Washer Hard for CAT Equipment
- New Washer Hard Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Exact Fit Guarantee®
×WILL PART FIT?
Yes, it will fit! We offer an Exact Fit Guarantee® or
get your money back.
HOW WE GUARANTEE, EXACT FIT
Before shipping your order, we use CAT SIS to ensure
this part is the exact fit for your equipment.
BUY WITH CONFIDENCE
Purchase with confidence because this part includes a
1 year warranty and it's guaranteed to fit & perform.
4.7
(Site rating)Description for 8T4223 Washer
▶Specification for 8T4223 Washer
▶Exact Fit Guarantee for 8T4223 Washer
▶| Dimensions | 0.39x0.39x0.08 |
|---|
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Andrew Jeffus (Kansas, USA)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.
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Jason Pogue (Colorado, USA)100%Grateful I found this company!
I’m grateful I found this company! They answer the phone every time plus the parts are packaged very well!! Even the angriest mailman couldn’t damage your parts! lol The parts showed up as planned and for being aftermarket the quality seems to be good!! The warranty is the same as CAT. Thank you Daniel!!! -
Sandi Shaneybrook (Maryland, USA)100%This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
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Blair (South Carolina, USA)100%Online order.
I had a good experience this morning I placed an online order and everything went smoothly. The staff at propel parts has always been helpful in the past when I have been looking for harder to find parts or something that wasn’t listed online. -
Orlando Marquez (Texas, USA)100%Great people! Good and fast service. Always looking to help get what you need! 10/10 ????????
Frequently Asked Questions
What is the function of the 8T4223 hard washer?
The 8T4223 hard washer is a flat hardware component used to distribute load, prevent surface damage, and ensure proper tightening of fasteners such as bolts and nuts on Caterpillar equipment. It helps maintain clamping force and reduces wear on assembly surfaces.
How do I install the 8T4223 hard washer?
Here’s a general guide for proper installation:
- Turn off the machine and make sure it is safely supported before working on any assembly.
- Place the 8T4223 washer between the bolt head (or nut) and the mating surface where the fastener will sit.
- Insert the bolt through the washer and into the threaded hole or through-hole.
- Tighten the bolt or nut to the recommended torque specification from your equipment’s service manual.
- Make sure the washer remains flat and fully seated under the fastener during tightening.
Which machines or systems use the 8T4223 hard washer?
The 8T4223 washer is used across a wide range of Caterpillar machines where this part number is specified in the parts list. It may be found in structural, engine, undercarriage, or attachment assemblies where reliable load distribution and secure fastening are required. Always verify fitment using your machine’s service/manual parts list before ordering. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.
Does the 8T4223 hard washer meet performance expectations?
Yes, the 8T4223 hard washer is manufactured to meet or exceed OEM quality standards for hardness, dimensional accuracy, and material strength. It’s designed to withstand heavy mechanical loads and environmental conditions commonly encountered in construction and earthmoving operations.
How often should a washer like the 8T4223 be inspected or replaced?
Washers should be inspected whenever you perform maintenance on bolted assemblies or during routine inspections. Look for signs such as deformation, cracking, corrosion, or wear. Replace the washer if it shows any damage or if the fastener becomes loose despite correct torque.
What are common signs that the 8T4223 hard washer needs replacement?
Typical indicators include:
- Bent, cracked, or deformed washer surface
- Corrosion or pitting on the washer
- Loose or shifting fasteners
- Uneven clamping or bolt torque loss
Why is using a quality hard washer like the 8T4223 important for equipment performance?
A quality hard washer ensures proper load distribution, protects assembly surfaces, and helps maintain tightness of bolts and nuts in high-stress applications. Using parts that meet or exceed OEM specifications improves assembly reliability, reduces the risk of fastener failure, and contributes to safer, longer-lasting equipment performance.
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:
- Distribute clamping force evenly across the surface
- Protect components from damage caused by bolts or nuts
- Reduce fastener loosening due to vibration
- 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:
- Turn off the equipment and make sure the work area is safe
- Remove the existing bolt or fastener from the assembly
- Inspect the mounting surface and fastener for wear or damage
- Place the new 8T4223 hard washer between the bolt head (or nut) and the surface
- 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.
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.
1 YEAR UNLIMITED WARRANTY
ORDER BY 3PM EST. EXCL. WEEKEND
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EASY RETURNS & FAST REFUNDS
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