Description Part Number: 338-1230 Product Overview This front hanger is part of the suspension mounting setup, holding key components in place at the front of the suspension system. It takes a lot of abuse from road shock, weight, and constant movement. When it starts to wear or loosen up, you’ll usually feel it in how the truck rides. This unit fits applications using part numbers 02-02311M001 / 338-1230. What the Part Does The front hanger acts as a mounting point for suspension components like springs or brackets. It keeps everything lined up and anchored to the frame while still allowing controlled movement as the suspension works. Every bump, load shift, and braking force travels through this area. The hanger keeps those forces where they belong so the rest of the suspension can do its job properly. Common Problems This Part Solves When a front hanger starts to go, it doesn’t stay quiet for long. Typical signs include: Clunking or knocking from the front suspension Visible looseness or shifting under load Uneven ride height or handling Accelerated wear on bushings and nearby parts In some cases, you’ll also see cracks or elongation in mounting holes from long-term stress. Why Replacement Matters A worn hanger throws everything else off. It can cause misalignment, stress other suspension parts, and make the truck feel unstable. If it fails completely, you’re looking at a much bigger repair. Replacing it brings the suspension back into proper position and helps everything wear evenly again. Compatibility and Fitment This front hanger fits applications using 02-02311M001 / 338-1230. Always confirm your setup before ordering, since suspension mounting points can vary depending on configuration. Installation and Service Notes This is not a quick bolt-on job. The suspension will need to be supported, and components around the hanger may need to be removed to access it. Check bushings, bolts, and surrounding brackets while you’re in there. If one part of the suspension kit has worn out, others in the same area are often close behind. Use Case Common in suspension rebuilds, collision repairs, or trucks showing front-end instability. Fleets usually catch these during inspections when wear starts showing up. About Us We’re a family-owned group of Peterbilt dealerships dedicated to getting you the parts you need quickly and affordably. Whether you’re looking for Paccar OEM parts, reliable aftermarket replacements, or popular upgrades like seats and filters, we make it easy to keep your truck running and on the road. If you don’t see what you need online, just give us a call or send an email — chances are we can get it. We pride ourselves on fast service, fair prices, and being a partner you can depend on when downtime isn’t an option. FAQs Q1: What happens if a front hanger fails? A: If it fails completely, the suspension can shift out of position. That can affect handling, tire wear, and overall safety. It’s not something you want to put off. Q2: Can I keep driving with a worn hanger? A: You might be able to for a short time, but it will only get worse. The longer it’s left, the more damage it can cause to surrounding parts. Q3: Do I need to replace bushings at the same time? A: It’s a good idea. If the hanger is worn, the bushings are usually not in great shape either. Q4: Is alignment needed after replacement? A: Yes, it’s recommended. Anytime suspension mounting points are replaced, alignment should be checked to avoid tire wear issues.
