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AR12272 Main Bearing Shell (.020) +0.5mm

205112 205142 205152 205162 205172 Fits for Cummins Engine K19 K38 NT855 QSK

$223.15
$223.15
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When will my order be shipped after payment? 

Products marked "In Stock" will be dispatched from our warehouse within 3 business days after payment is confirmed.
Products without this designation may ship directly from the manufacturer or may be out of stock. In that case, we will send you an order status update on the next business day with the estimated arrival time.

How long will it take to receive my order?

If the product is in stock, most orders are delivered within 4–15 business days from the dispatch date, depending on your location.
Out-of-stock items, custom orders, and backordered products may take 1–2 weeks or longer to be delivered.

 Where do you ship from? 

Our products are shipped from our warehouse in China, which serves as our main global distribution center.
Please note: some products may ship directly from the manufacturer depending on stock availability.

Can I track my package after it ships?

Yes. Once your order is shipped, we will send a shipping confirmation email to the email address provided in your order. You will also receive logistics updates by email as your package moves through the carrier's network.
Please make sure the email address on your order is correct so you don't miss any updates

 I need a copy of my receipt/invoice. 

Yes. If you need an invoice, please contact us after placing your order at support@dieselthump.com, and we will provide one for you.

The Main Bearing 0.020 Shell, also known as part number AR12272, is a component in a truck's engine that is responsible for supporting the crankshaft and reducing friction between it and the engine block. It is called a "shell" because it has a thin metal layer that encases the bearing material, providing additional strength and durability. The 0.020 measurement refers to the thickness of this shell, which can vary depending on the specific engine model. A properly functioning main bearing helps ensure smooth operation of the engine and prolongs its lifespan. If damaged or worn out, it can cause excessive noise or vibrations in the engine, which may lead to more serious issues if not addressed promptly.

AR12272 Main Bearing (020) Set  
PN NAME QTY
205112 BEARING,THRUST 4
205142 BEARING,MAIN 5
205152 BEARING,MAIN 5
205162 BEARING,MAIN 2
205172 BEARING,MAIN 2

 

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