Floating Seal 423-33-00021 for Komatsu PC300-5 PC350-5 D355A-3 D85A WA350 WA380 WA400
Floating Seal 423-33-00021 for Komatsu PC300-5 PC350-5 D355A-3 D85A WA350 WA380 WA400 is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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Expert support & Fitment Guarantee
Description
Description
Floating Seal 423-33-00021 for Komatsu PC300-5 PC350-5 D355A-3 D85A WA350 WA380 WA400
Replace Part Number: 423-33-00021, 4233300021
Application:
Fit for Komatsu Bulldozers: D355A, D85A
Fit for Komatsu Excavator: PC250, PC300, PC310
Fit for Komatsu Loader: 538, 542, WA350, WA380, WA400, WA420, WA450,
WA470
Fitment details:
538 S/N U003001-U003100 & C003101-UP WHEEL LOADERS
FIG NO. 3121 FRONT AXLE WHEEL BRAKE » 423-33-00021
FIG NO. 3221 REAR AXLE WHEEL BRAKE » 423-33-00021
542 S/N U004001-U004100 & C004101-UP WHEEL LOADERS
FIG NO. 3121 FRONT AXLE WHEEL BRAKE » 423-33-00021
FIG NO. 3221 REAR AXLE WHEEL BRAKE » 423-33-00021
D355A-3 S/N 1010-UP BULLDOZERS
FINAL DRIVE GEAR AND SHAFT (1/2) » 423-33-00021
D355A-3 S/N 1010-UP BULLDOZERS
FINAL DRIVE GEAR AND SHAFT (1/2) » 423-33-00021
D85A-21B S/N 36537-UP (Custom S6D125E-2 (Emission) Eng. Installed) BULLDOZERS
FINAL DRIVE CASE AND GEAR (2/2)(36537-37822) » 423-33-00021
D85A-21B-ER S/N 36537-UP BULLDOZERS
FINAL DRIVE CASE AND GEAR (2/2) » 423-33-00021
PC250LC-6LE S/N A83001-Up EXCAVATORS
FIG NO. P1210-0102 FINAL DRIVE S/N A83001 - A83108 » 423-33-00021
PC300 S/N 20001-UP (Mighty Spec) EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC300-5 S/N 20001-UP (Overseas Version) EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC300-5C S/N 20001-UP (Custom Spec.) EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC300-5 S/N 20001-UP EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC300LC S/N 20001-UP (Mighty Spec) EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC300LC-5 S/N 20001-UP (Overseas Version) EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC300LC-5 S/N 20001-UP EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC310-5 S/N 10001-UP EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
PC310LC-5 S/N 10001-UP EXCAVATORS
FINAL DRIVE AND SPROCKET » 423-33-00021
WA350-1 S/N 10001-UP WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
REAR WHEEL BRAKE(20001-) » 423-33-00021
WA380-1 S/N 10001-UP WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
REAR WHEEL BRAKE(20001-) » 423-33-00021
WA380-1LC S/N A45001-UP WHEEL LOADERS
FIG NO. 3121 FRONT AXLE WHEEL BRAKE » 423-33-00021
FIG NO. 3221 REAR AXLE WHEEL BRAKE » 423-33-00021
WA400-1 S/N 10001-UP WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
REAR WHEEL BRAKE(20001-) » 423-33-00021
WA420-1 S/N 10001-UP WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
REAR WHEEL BRAKE(20001-) » 423-33-00021
WA420-1LC S/N A25001-UP WHEEL LOADERS
FIG NO. 3121 FRONT AXLE WHEEL BRAKE » 423-33-00021
FIG NO. 3221 REAR AXLE WHEEL BRAKE » 423-33-00021
WA450-3A-S S/N 50001-52999 WHEEL LOADERS
FRONT WHEEL BRAKE(50001-) » 423-33-00021
REAR WHEEL BRAKE(50001-) » 423-33-00021
WA450-1 S/N 10001-UP (Overseas Version) WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
WA450-1 S/N 10001-UP WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
WA450-3-X S/N 60001-62999 WHEEL LOADERS
FRONT WHEEL BRAKE(60001-) » 423-33-00021
REAR WHEEL BRAKE(60001-) » 423-33-00021
WA470-1 S/N 10001-UP WHEEL LOADERS
FRONT WHEEL BRAKE(20001-) » 423-33-00021
REAR WHEEL BRAKE(20001-) » 423-33-00021
Condition: new, aftermarket
Note: Stock photo. Actual products may look different. Make sure our part number is the same as yours when ordering the parts.
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Shipping and Delivery
What countries do you ship to?
What countries do you ship to?
We can ship to these countries:
Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam
United States
Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom
How long will it take to receive my order?
How long will it take to receive my order?
Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.
Returns and Refunds
How do I return a product?
How do I return a product?
Our return policy lasts 60 days. If 60 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Steps of Returning Products to Fab Heavy Parts
1. Request returns in seconds at our return portal.
2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag
3. Select the items you wish to return and choose the return reason and upload photos of the received package.
Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.
Steps after the approval of your return request:
1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com
How long will it take to receive my refund?
How long will it take to receive my refund?
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.
Payment Methods
What kind of payment methods do you accept?
What kind of payment methods do you accept?
We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.
If you prefer offline payment, please contact us to get our bank transfer details.
Taxes or duties
Will I receive customs/import duties?
Will I receive customs/import duties?
For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.

