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Shipping Help

Shipping Help

Did you receive the following error message while checking out?


Here are some probable causes:

Are you using a P.O. Box for delivery?

  • Hazmat materials, oversize items and crates cannot be delivered to P.O. boxes - a physical address is required

 Are you purchasing a "Hazmat" product?

  • Hazmat products include paints, dopes, cleaning chemicals, batteries and battery acid, greases, lubricants, and anything that is potentially flammable or explosive (such as pressurized spray cans)
  • Hazmat materials cannot be shipped outside the lower 48 contiguous states
  • Hazmat cannot be delivered to a P.O. box - a physical address is required
  • Hazmat can only be shipped via UPS Ground or motor freight - you will not see any other options during checkout
  • 5 gallon sizes will require an additional $25 hazmat fee per can; this will not appear in the shipping quote during checkout, but the fee will be added to your final bill before payment is collected

Do you have large/oversize items in your cart?

  • Items shipped in custom crates can only be shipped via motor freight - you will not see any other options during checkout
  • Oversize (non-crated) items can be shipped via motor freight, UPS and FedEx only - USPS Mail options will not be shown
  • Crates and oversize items cannot be delivered to P.O. boxes - a physical address is required
  • Items requiring a custom crate or incurring an oversize fee will be noted in the product description



Why didn't I qualify for free shipping?

If you meet the minimum order threshold but don't see the free shipping option, here are some probable causes:

Oversize/Crating Fees

  • Some products have oversize fees or crating charges associated with them. If one or more of these items are in your shopping cart, you may still qualify for free shipping if you meet the minimum order threshold, but the quote from our system will add the oversize fees/crating charges to the free shipping option. So instead of seeing $0.00 as your free shipping price, you will see a dollar amount equivalent to all the add-on fees - you are not paying the shipping costs, just the add-on fees.

Product Exclusions

  • Some products are excluded from the free shipping promotion (both Ground and Freight). If one of these products is in your cart, you will not see the free shipping option during checkout. See Free Shipping Exclusions section for additional information.
  • Some products are excluded from the Free Ground Shipping, but will qualify for Free Freight shipping. These items are typically large/oversize items and those shipped in custom crates. The product page will have a tick box that must be checked prior to placing the item in your shopping cart. If you have one of these items in your cart, you must meet the minimum $3,000 order to qualify for free freight shipping. Free Ground Shipping is not offered on these items.

Address Exclusions

  • Free shipping is not offered to international addresses, Alaska*, Hawaii or P.O. Boxes.

*Exception: Alaska addresses can receive Free Ground Shipping on orders that fit into a USPS Flat Rate Box (12"x12"x5"), does not exceed 70 lbs, and meets the $300.00 minimum. Alaska addresses do not qualify for Free Freight Shipping.


Univair Aircraft Corporation

2500 Himalaya Road
Aurora, Colorado 80011

Toll Free Sales: 888-433-5433
Phone: 303-375-8882
Fax: 303-375-8888


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© 2021 Univair Aircraft Corporation. Prices and availablility are subject to change without notice.

All product and company names are trademarks or registered trademarks of their respective owners. Univar's descriptive use does not imply any affiliation with or endorsement by the respective owners.