Trunnion, Lower Half - Mack 39QK431

Shipping Information – Fast & Reliable

We ship Monday through Friday, excluding national holidays, with a same-day shipping cut-off at 12:00 PM Central Time, often extending to 3:00 PM; orders in by 12:00 PM usually ship the same day, though high-demand parts from secondary warehouses may delay shipping to the next business day—we’ll get it to you ASAP!

Hassle-Free 30 Day Returns

Enjoy a 30-day, no-questions-asked return policy on most products: returns must be initiated within 30 days of delivery, items must be new, unused, and in original packaging; shipping charges are non-refundable, return shipping is your responsibility, a 20% restocking fee applies, low order fees are non-refundable, and special order parts cannot be returned.

Have questions? We’re here to help—our goal is to make the process smooth and hassle-free!

Helpful Links:

Help Desk | Request a Return | Shipping, Returns and Exchanges Policies | Low Order Fee Policy