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Monday - Friday
9:00 AM - 5:00 PM EST
(6:00 AM - 2:00 PM PST)

Same Day Shipping is available for in-stock orders placed and paid before 3:00 PM EST, Monday-Friday. Friday orders after cutoff, plus holiday/weekend orders, ship the next business day. A tracking email is sent once your order leaves our warehouse.

• Simple U.S. pricing Contiguous U.S. orders over $50 ship free; under $50 is $6.99 standard. Free/$6.99 shipments go by FedEx or USPS, and expedited carrier options are available at checkout.
• Transit timing Same-day shipping means your order ships that day. Delivery speed depends on the service selected and can be impacted by weather, state of emergency events, or carrier interruptions.
• To qualify Items must be in stock and checkout details must be complete and valid. Backordered products ship when available, and non-billing/alternate addresses must meet policy requirements.

Orders can only be changed or canceled before they leave our warehouse. For the fastest help, contact us immediately.

• During business hours: Call 1.888.GS.GAUGE Ext. 2 for prompt handling.
• After hours: Email Support@GlowShiftGauges.com as soon as possible.
• Email cancellation requests after 1:00 PM EST are not guaranteed, and requests received after shipment cannot be processed as cancellations.
• If an order has already shipped, we can issue an RMA under our return policy; related shipping charges apply.

30-day returns & exchanges: Contact us within 30 days of delivery to start a return or exchange for undamaged items. Refunds are issued to the original payment method after inspection.

• Start with an RMA Call 1.888.GS.GAUGE or contact us to get your Return Merchandise Authorization number. RMAs are valid for 15 days and should be clearly included with your return.
• Packaging & shipping Return products in original packaging with all accessories, insure your shipment, and separate fluid-contact items/mounting hardware in sealed bags. Returns lost or damaged in transit are not covered.
• Processing timeline Returns are inspected within 48 hours of delivery. Refunds may take up to 2 days to process after receipt, then typically post in 3-5 business days. Holiday gift returns (orders Nov 1-Dec 25) must be requested by Jan 31.

GlowShift gauges include a 1-year limited warranty for the original retail purchaser. Defective products may be repaired or replaced after inspection; installation labor, removal/reinstall costs, and damage from improper installation are not covered.

Installation is the purchaser’s responsibility and should be performed by a licensed professional. The warranty does not cover damage or safety issues caused by improper installation, or costs to remove and reinstall products.

Returns for warranty service are freight-prepaid by the customer, with outbound shipping covered by GlowShift (contiguous U.S. customers may qualify for inbound shipping coverage in the first 60 days).

We accept Visa, Mastercard, American Express, and other major credit cards, plus Apple Pay, Google Pay, PayPal, and Affirm.

Find wiring diagrams, installation videos, and step-by-step guides in our help center and product resources.

Join GlowShift's dealer network for reseller pricing, product access, and marketing support for your shop or business.

• Requirements include a retail/wholesale location, business license, tax exemption certificate, and completed dealer application.
• Typical review time is 2 business days after submission.
• Dealer/distributor tiers have buy-in and annual sales minimums to maintain account status.