1N3821 Caterpillar Engine Bearing propelparts

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New 1N3821 Bearing,Eng 0.010 Replacement suitable for Caterpillar 4P, D4HTSK II, 54H, 3204, and more

Name: New 1N3821 Bearing,Eng 0.010 Replacement suitable for Caterpillar 4P, D4HTSK II, 54H, 3204, and more
Brand: Aftermarket CAT
SKU: 1N3821CTP
Price: 7.8 USD
Availability: InStock
Rating: 4.7 (112 reviews)

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New Bearing,Eng 0.010 Replacement suitable for Caterpillar Equipment
Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$7.80

Six Month Financing

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4.7

(Site rating)

In Stock | Ships Out Today | Order By 3pm ET

SKU

1N3821CTP

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Details

Description for 1N3821 Engine Bearing

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This aftermarket Caterpillar 1N3821 Engine Bearing 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 Engine Bearing.

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 1N3821 Engine Bearing

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Replacement Part Number(s): 1N-3821

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: 0.36

Condition: New

Exact Fit Guarantee for 1N3821 Engine Bearing

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Looking for a reliable replacement Caterpillar 1N3821 Engine Bearing ? 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

More Information
Models	3204, 4P, 54H, D4HTSK II & more
Dimensions	3.15x3.15x1.77

Reviews

Customer Reviews

Walter Aguirre-Spika (Florida, USA) 10/06/2025

80%

Everything fine, thank you. The only thing with which I had a problem in your Software, is that when I have more than 10 different items on the list, I can't scroll to the first ones. But besides that, I am very happy in going on with buying your parts.
Jason Pogue (Colorado, USA) 09/10/2025

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!!!
Tony 03/15/2024

100%

The gentleman was very helpful
Bruce (Colorado, USA) 06/05/2025

100%

Great customer service answered email question quickly.
Stan Pfeiler (Iowa, USA) 11/17/2022

100%

Great service They respond back very fast always try…
They respond back very fast always try there best to get what I need
Very friendly
Prices are reasonable
If there is a problem they fix it
Been working with them 4 years and hopefully many more

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Compatible Models

This 1N3821 Engine Bearing is compatible with the following models:
3204, 4P, 54H, D4HTSK II & more...

Returns & Warranty

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.

Shipping

Same Day Shipping

Orders placed weekdays, by 3pm ET, ship out same day.

United States & Canada

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International Shipping

We have served customers in over 90 countries. Click Check Delivery Time .