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Grand Rock

K180-10742LC Kenworth Chrome Left Elbow for W900A

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  • K180-10742LC Kenworth Chrome Left Elbow for W900A
  • K180-10742LC Kenworth Chrome Left Elbow for W900A
OEM PRICE $399.00
YOUR PRICE $329.00
— You save $70.00



K180-10742LC Kenworth Chrome Left Elbow for W900A



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K180-10742LC Kenworth Chrome Left Elbow for W900A

What other exhaust parts will I need for my Kenworth Truck?

You could need several parts to complete the overall system. If you are trying to determine the correct Kenworth OEM pipe, It is best to call a Kenworth Dealer in your area and provide them with your VIN#.

We do NOT have access to OEM VIN Lookup at this time.  

All of our Kenworth exhaust systems deliver the exact same performance that the OEM offers, but we sell our Aftermarket Kenworth parts at a much lower price.

Our exhaust systems are designed and fabricated right here in the USA.

Depending on your overall design, the exhaust gas will flow through a wide array of exhaust parts below:

How do I choose the Type of Ends I need?

When purchasing Exhaust Components, please make sure that you are getting the right size and have the Ends figured correctly.

    • ID = Inside Diameter
    • OD = Outside Diameter

You can think of the pipe with an ID end as being the Female end of the Pipe, and the OD ended pipe being the Male. The OD will fit inside of the ID.


Don't forget your clamps to complete the job. most any clamp will work, it just needs to be the same size diameter as the exhaust pipe you are purchasing.

Why Buy from Us?

    • All of our Premium Exhaust Components are made in the USA
    • Direct Fit to OEM Aftermarket Parts
    • Fast Shipping Options - Truck Down Expediting
    • Excellent Quality - Great Prices!

Do you have Exhaust Catalogs?

Yes. We have several to choose from. Just click on any of the catalog images below for detailed information about your Big Rig, Pick-Up or School Bus.


When you Find the parts you need, simply write down the SKU/Part Number and then come back to our site and input the numbers in our SEARCH BOX.
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Shipping Information

You will see an estimate of shipping costs in your shopping cart. Actual shipping costs will be displayed on the Invoice before you confirm your order.

The majority of our products are shipped by Federal Express. Large and extra-long pipes require your items to be shipped by freight truck. Shipments are based on the requirement they be made to a verified business address. Home or residence deliveries cannot be made.

If you choose to have deliveries made to a home/residence, be advised that the cost more than doubles versus a verified business address.

If you have a large order, please EMAIL US in advance so we work with you to determine your options for optimal delivery charges.

Restocking Fee: Eligible returns are subject to a 25% restocking fee.You will need to obtain a Return Merchandise Authorization (RMA). Items must be in the exact same condition as they were when sent. They could be refused if they have signs of installation or any scratches.


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Warranty Information

Grand Rock 1-Year Warranty

This product is covered by a 1-year warranty from the date of purchase.

In the rare event that a product does not perform as expected, Grand Rock warrants its products against failure due to defects in materials and workmanship for the period specified under Terms and Conditions for the particular part. Grand RockÂ’s obligation under this warranty covers replacement of the failed part, including transportation charges. Grand Rock is not responsible for labor costs. Please note that, due to the higher heat output of Emissions Components, Grand Rock cannot warrant the Chrome Plating for any item installed on any truck made after 2007.

The Length of Warranty for replacement parts provided under warranty coverage is the balance of the warranty period re­maining on the part being replaced. It is important that the customer handles, stores, and installs all products properly. This warranty does not cover failure due to misapplication, misuse, abuse, neglect, rust through and corrosion (muffler), im­proper service practices or non-approved modification. If you have any questions about proper handling, storing or installation do not hesitate to contact Grand Rock.

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Additional Information

Known Crossover Part Numbers:
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