oxygen sensor 3 wire 944 Turbo / 951 1986 to 1991

Shipping Policies

Most orders are shipped out within 1 business day.
Some orders require special order parts from Porsche if this is the case with your order you will be notified.
We offer shipping with UPS,USPS, and DHL.

Shipping times vary by carrier and your location.

Domestic Shipping

UPS Ground - 1-6 Business Days
UPS 2 Day Air - 2 Busniess Days
UPS Next Day Air - 1 Business Day

USPS Priority Mail - 1-4 Business Days
USPS Express Mail - 1-3 Business Days

International Shipping

International customers are responsible for all customs duties and taxes.

UPS - 3-10 Busniess Days

DHL - 3-6 Busniess Days

USPS First Class - 7-30 Business Days
USPS Priority Mail - 7-10 Business Days
USPS Express Mail - 3-7 Business Days

What is 944online's return policy?

Customer must notify 944online, within 24 hours after receipt of each shipment, any shortage, wrong parts, damage, and loss of products delivered. If damage or loss of merchandise has resulted from handling during transportation, you must make a claim directly with the delivery carrier. All products to be returned must have a copy of the original invoice issued by 944online and must be shipped prepaid within 30 days of receipt of the order.

All returned products must be accompanied by the original invoice or pick pack and be unused, resalable (unless damaged or defective) and still in the original, undamaged package and purchased within the last 30 days.  All returns are subject to a 15% restocking fee. Returns received directly from 3rd parties may be returned to sender at customer's cost. Returns will be accepted only from the customer directly.

 944online will accept no returns on electrical products, special order items, and tools, except for warranty replacement. 

Customer is subject to a 15% restocking fee for returns resulting from customer error.

Defective items will be replaced or credited. 944online does not guarantee products that become defective due to improper installation or improper use. 944online return policy does not apply to competition or off road use.

Please note that we can refund shipping fees only if the return is a result of our error. Otherwise, you will receive a full refund for the cost of the item, but the original and return shipping fee will not be refunded. To return an item, please call us at 1-866-944-STUF (1-866-944-7883) or you can Click Here to contact us using our online contact form.

We'll notify you via e-mail of your refund once we have received and processed the returned item. You can expect a refund, in the same form of payment originally used for purchase, within seven to fourteen days of our receiving your return.

Is there a warranty on parts?

944online warrants all products purchased by you, against defects in material and workmanship under normal use and service for a period of 12 months/12,000 miles (whichever occurs first), or the expressed manufacturer's warranty, whichever is greater. Warranty does not apply to wear items or parts which became defective due to improper installation, removal, repairs or diagnosis, negligence, mishandling, alteration, modification, or lack of maintenance, flood, accident, or fire. This warranty shall become null and void if the product sold or installed is damaged as a result of the vehicle's use in competitive or off-road driving. 944online does not cover labor costs for removal or damage resulting from delay or loss of use in service or repair for incidental or consequential damages arising from defective product.

How do I return a core?

All returned cores must have been purchased from 944online within the past 60 days and must be returned in original box. Critical cores may require vendor acceptance before credit is issued. Cores are to be shipped to 944online prepaid from Customer with a copy of the original invoice. Cores that have been disassembled, tampered with, incomplete, damaged or are otherwise not rebuildable will be returned as per Customer's instructions at Customer's cost. If Customer does not provide information within 30 days, 944online will dispose of non-rebuildable core(s) at its discretion.