#1 in Electrical Truck Parts

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From our customers

★★★★★

"Wilfred, Can't thank you enough for getting me setup with the right parts. Got it all put back together over the weekend, and it's working great"

Bill Hulme Golden, CO
★★★★★

"Great seller. Great products. Fast shipping. Would buy from again"

Jhon Los Angeles, CA
★★★★★

"Excellent! Very helpful, I ask for a fast shipping and get it next day, thanks!"

Dan Dallas, TX
★★★★★

"Superfast shipping! My item arrived 4 days early!"

Carlos Wisconsin, IL

Live chat

Mon-Fri

10:00 am - 12:00 pm

02:00 pm - 06:00 pm

+1 305-848-7825

Store Hours

Mon–Fri 9:30 am - 6:30 pm

Hours close: Mon–Fri 12:30 pm - 01:30 pm

Sat 10:00 am - 12:30 pm

Curbside Pick up

Your Heavy-Duty Electrical Parts Specialist

Advance Truck Parts USA is your source for heavy-duty electrical truck parts, including connectors, pigtails, wiring harnesses, sensors, switches, relays, and custom replacement assemblies.

We help commercial truck, bus, fleet, marine, and equipment customers find the correct parts and minimize downtime.

  • 500,000+ Parts in Stock: Extensive heavy-duty electrical inventory ready to ship.
  • 1-Hour Local Pickup: Fast pickup available at our Sunrise, FL warehouse for local facilities and emergency repairs.
  • Custom Harnesses & Pigtails: Built to specification with USA assembly on key lines.
  • Dedicated Support: Bilingual customer service (¡Hablamos Español!) and technical assistance at 1-305-84-TRUCK (+1 305-848-7825)

FAQs

Do you offer same-day shipping?

Yes. We ship the same business day on orders placed before 5:30 PM ET Monday–Friday and 11:30 AM ET on Saturdays. Expedited shipping options are available at checkout.

How do I know this part fits my truck?

Search by OEM part number, aftermarket cross-reference, or contact our specialists with your VIN, engine serial number, or photos. We'll help verify the correct part before you order.

Are your parts genuine OEM or aftermarket?

We offer Genuine OEM, high-quality aftermarket, and Advance Truck Parts USA branded replacement parts. Each product page clearly identifies the product type so you know exactly what you're purchasing.

How much does shipping cost?

Our website provides live shipping rates. Simply add the item to your cart and enter your ZIP code to instantly view all available shipping options before completing your purchase.

Can I receive my order the next business day?

Yes. Next-business-day delivery is available on many items when an overnight shipping option is selected before our daily shipping cutoff. Saturday delivery must be selected separately when available.