Address:
4830 Wilson Rd Ste 300 PMB 1032
Humble, TX 77396
Business Hours
M-F 8:00AM – 5:00PM
4830 Wilson Rd Ste 300 PMB 1032
Humble, TX 77396
M-F 8:00AM – 5:00PM
Effective date: October 24, 2026 · Version 1.0
The 48 contiguous states and Puerto Rico are served through sinclairautoparts.com. Alaska, Hawaii, other US territories, APO/FPO addresses, and international destinations are served through our eBay store.
Orders ship within one business day. Business days are Monday through Friday, excluding federal holidays, so an order placed on a weekend or holiday ships the next business day.
If an item is backordered, we email you before shipping with the expected date and your options: wait, choose a substitute, or cancel for a full refund.
Orders ship by USPS Ground Advantage. The cost is calculated at checkout from your order’s weight and destination, and you see it before you pay.
Some items ship from another location in our US distribution network and may arrive by UPS instead, at no extra cost to you. An order that ships from more than one location arrives in more than one package, each with its own tracking number.
PO boxes: USPS delivers to PO boxes; UPS does not. If an item that ships by UPS is going to a PO box, we contact you for a street address before it ships.
USPS Ground Advantage usually delivers in 2–5 business days after shipment within the 48 contiguous states. Deliveries to Puerto Rico usually take longer. These are carrier estimates, not guarantees; weather, holidays and carrier delays can add time.
When your order ships, we email you the carrier and tracking number. If you have an account, tracking also appears with the order under My Account.
Please check your address at checkout. If it needs a fix, contact us right away; we can update it until the order ships. If a package comes back to us because the address was incorrect or incomplete, we reship it once you confirm the address, and the second shipment’s cost is yours.
If your order arrives damaged, keep the box and packing materials and tell us within 7 days of delivery. See Section 2 of our Warranty, Refund and Returns Policy; we cover it.
Tracking stopped moving? If tracking hasn’t updated in 5 business days, contact us. We open a trace with the carrier, and if the package is lost, we replace it or refund you.
Marked delivered, but not there? Check around your address and with neighbors or building staff, and give it one more business day, since carriers sometimes scan packages early. If it still hasn’t turned up, contact us within 7 days of the delivery scan and we’ll help you file a claim with the carrier.
Title and risk of loss pass to you when the carrier delivers to the address you gave us (see our Terms & Conditions), so we can’t refund or replace a package the carrier confirms as delivered there. For high-value orders, ask us about adding signature confirmation.
Email: info@sinclairautoparts.com
Text: (832) 830-1466
Please include your order number with any shipping question.