Our direct replacement Grainger 4zk21 meets or exceeds OEM specifications. This product is aftermarket only and we are not affiliated with Grainger. Photos are for illustrative purposes only and depict the broad types of products offered.
If we ship the incorrect item, we will replace and pay the freight. We will send you an RMA to return the incorrect part. We will notify you of estimated time of shipment. If the delivery date is beyond what you can accept we will refund your money.
If you order the incorrect part you may return it for replacement of the correct item. You will be responsible for the freight charges both ways. Please see below for returns without a replacement. Products made to order are non returnable.
Air compressors, dryers air receivers and plumbing ordered incorrectly will be handled on a case by case basis.
All of our products are direct replacement aftermarket only. We are not affiliated with the OEM companies. Therefore if you need to return an item because your were unaware it is not OEM or your customer will not accept it because it is not OEM there will be a restocking charge plus the shipping charges deducted from your credit. You will be responsible for the return shipping as well.
No goods may be returned without prior authorization by CAS. Contact Customer Service please contact us at email@example.com for a Returned Goods Authorization (RGA) number. Return authorization is valid for 30 days only. Products shipped in error will be accepted for return with full credit. Shipping discrepancies must be brought to the attention of CAS within 10 days of receipt of shipment. Standard products may be returned for credit only (no cash) within three months of date of invoice with a 20% restocking charge and freight cost. Returned products must be in original package, in new saleable condition and shipped freight prepaid. CAS reserves the right to determine acceptability of the returned goods for resale. Products made to order are not returnable.
Warranty and Limitation of Liability
Compressed Air Specialists may change its terms at any time without notification.
This warranty applies to products manufactured and/or distributed by Compressed Air Specialists when they are properly installed on the correct application, used in the conditions and service they were designed for and where CAS instructions have been followed. CAS warrants all products sold to be free from defects in material and workmanship as long as they are changed in accordance with the original equipment manufacturers recommendations. For all air/oil, gas separators and refrigeration coalescer applications, this warranty shall terminate six months from the date of the original purchase invoice or after 1000 hours of in service use, whichever occurs first. For parts sold, but not manufactured by CAS, those manufacturers warranties shall apply.
In order to obtain possible product warranty consideration, the original purchaser must first notify CAS in writing, within ten (10) days of discovering the alleged problem. The original purchaser must also provide documentation of application usage, product service life, a description of the alleged defect and other information on the CAS Returned Goods Information form. Upon receipt of this notification, CAS will either examine the product in question at the customer’s location or issue a product return authorization. When requested, the product in question must be returned to CAS in its original condition, prepaid, in a condition where it can be resold. PLEASE NOTE: ALL returned products may be subject to destructive testing and evaluation procedures. This warranty does not apply to product misapplication, altered products, improper product installation or shipping damage. If one of our products is determined by CAS personnel to be defective, CAS’s sole obligation under this warranty shall be to repair or replace the product, at our option, without charge to the original purchaser, or repay the original purchase price. In no event shall CAS be liable for any direct, indirect, consequential or special damages, including loss of profits or business or for any claims whether arising from breach of contract or warranty or claims of negligence or negligent manufacture in excess of the original product purchase price.
This warranty is exclusive and in lieu of all other warranties, expressed or implied including, but not limited to warranties of merchantability and fitness for any particular purpose.
Visible or Noted Loss or Damage, Concealed Loss or Damage is the responsibility of the customer (receiver of the shipment) period. We will not refund any money or ship replacement items at no charge when it comes do damage visible or concealed. CAS must be notified of all shortages within 24 hours. We are unable to help you if there is damage of any kind please see the information below
UPS claim information
FedEx claim information
Shipping within the lower 48 US states
WE ARE DOING OUR BEST TO ACCOMODATE OUR CUSTOMERS DURING THIS UNPRECEDENTED TIME, HOWEVER THERE IS THE POSSIBILITY OF DELAYS IN PRODUCT AVAILABILITY AND SHIPPING
Many items ship within two to three business days. Some may take longer. We will notify you of delivery once we receive confirmation from our supplier. If you need to cancel due to the shipping date we will refund your money. If you need specific delivery information, special handling, or air freight shipping please contact us at firstname.lastname@example.org or call toll free 833-260-3103. Freight charges will be additional on special shipping requests or items not listed on our website. We can ship UPS or FedEx on you collect account.
Pricing and free freight offers subject to change without notice. We will notify you of a price correction or that we are unable to offer free freight. We will give full credit and you may repurchase at the corrected price. Any flagged credit card orders will be shipped when the funds clear our bank. We will not refund any wire transfer charges incurred from refunding wire payments
All international shipments must ship freight collect to the destination. We are unable to quote shipping rates. We will gladly use your freight forwarder or shipping carrier. We are able to quote product size and sometimes weight but it may take a little while to get the information. Visible or Noted Loss or Damage, Concealed Loss or Damage is the responsibility of the customer (receiver of the shipment) period. We will not refund any money or ship replacement items at no charge when it comes do damage visible or concealed. CAS must be notified in writing via email email@example.com of all shortages within 24 hours.
New items added daily
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Grainger 1r425 40 Micron Interceptor Direct Replacement