New 8T4122 Washer-Hard Replacement suitable for Caterpillar Equipment

$0.20
In Stock • Ships Today • Order By 3pm ET
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Description for 8T4122 Washer

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This aftermarket Caterpillar 8T4122 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 8T4122 Washer

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Replacement Part Number(s): 8T-4122
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: 1.26 x 1.26 x 0.16 (inches)
Condition: New

Exact Fit Guarantee for 8T4122 Washer

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Looking for a reliable replacement Caterpillar 8T4122 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

★★★★★

Awesome and diligent support. Would definitely recommend

★★★★★

helpful and professional.
quick and professional service.

★★★★★

Great service affordable parts

★★★★★

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.

★★★★★

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

★★★★★

Very thorough ! Confirmed order and great communications.

★★★★★

La mejor experiencia y calidad

★★★★★

Had a great experience with ordering correct engine gaskets for our 3208 caterpillar engine

★★★★★

Have been buying parts from them for years, and they have always delivered, both with parts and customer service.

★★★★★

Great customer service.
Prompt , knowledgeable and friendly service.

Product Questions

Frequently Asked Questions

What is the Caterpillar 8T4122 hard washer used for?

The Caterpillar 8T4122 hard washer is a high-quality aftermarket replacement designed to support secure fastening and proper load distribution in heavy equipment assemblies. It is manufactured to meet or exceed OEM specifications for durability and dependable performance.

What are the benefits of the 8T4122 hard washer?

  • Helps distribute fastening loads evenly
  • Supports secure and stable equipment assemblies
  • Manufactured from durable materials for long service life
  • Designed to meet or exceed OEM specifications
  • Suitable for demanding heavy-duty applications

Is the 8T4122 hard washer compatible with multiple Caterpillar machines?

Yes, this hard washer may fit various Caterpillar equipment models depending on the hardware and assembly requirements. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

Why is replacing worn washers important in heavy equipment?

Replacing worn washers helps maintain proper fastening pressure, reduce vibration-related wear, and support dependable equipment operation.

Does the 8T4122 hard washer meet OEM standards?

Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, durability, and reliable fastening support.

Can damaged washers affect equipment reliability?

Yes. Damaged or worn washers may lead to uneven load distribution, loose hardware, vibration issues, and premature wear on connected components.

Are related Caterpillar fastening components available from Propel Parts?

Yes. Propel Parts offers a wide range of replacement hardware and fastening components for Caterpillar equipment. You can also check the Caterpillar Equipment Washer 8B4037 for another related replacement option.

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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