When you're hauling long miles, your sleeper isnât just a cab extension, itâs your home away from home. Thatâs why we carry a full lineup of aftermarket sleeper parts built to keep your Peterbilt 388 comfortable, functional, and road ready.
Fully Personalize Your Sleeper
From exterior panels to interior upgrades, these parts help you repair, upgrade, or customize your sleeper the way you want it.
What youâll find in this category:
- Sleeper door panels, vents, and trim: Keep airflow smooth and style sharp
- Interior panels and insulation: Improve comfort and reduce noise
- AC filters and HVAC parts: Stay cool and clean during long-haul downtime
- Pete 388 mirrors, sleeper windows, and windshield accessories: Boost visibility and freshen up your view
- Replacement seals and weatherstripping: Keep the sleeper tight and dry
Whether you're
restoring a worn-out Peterbilt 388 day cab or adding modern touches to your setup, these aftermarket parts are built to fit your Peterbilt 388 and take on the miles ahead.
Donât forgetâmany of these parts also work for the Peterbilt 389 and 379, making it easy to keep high-volume models on the road.
Frequently Asked Questions About Peterbilt 388 Sleeper & Related
Will these bumpers fit my specific year Peterbilt 388, and what about 389 compatibility?
Most aftermarket bumpers for the Peterbilt 388 are designed to fit model years 2006-2015. The 388 and 389 share the same bumper mounting points and dimensions, so bumpers are typically interchangeable between these models. However, always verify with the manufacturer if you have a pre-2006 model or any custom modifications to your truck's front end. Some bumpers may require minor adjustments for trucks with specific options like heavy-duty cooling packages or extended hoods.
What's the difference between chrome steel and stainless steel bumpers, and which holds up better?
Chrome-plated steel bumpers offer a mirror-like finish at a lower initial cost but require regular polishing and can eventually rust if the chrome chips or wears through. Stainless steel bumpers (typically 304-grade) cost more upfront but resist corrosion naturally and maintain their appearance with less maintenance. For trucks operating in winter conditions with road salt exposure, stainless steel provides superior long-term durability. Chrome bumpers work well for show trucks or milder climates with proper care.
Can I install these bumpers myself, and what tools or modifications are required?
Installation typically takes 2-4 hours with basic tools including socket wrenches, a drill (for some models), and ideally a helper due to weight (bumpers can weigh 50-150 pounds). Most bumpers use existing mounting holes, but some styles may require drilling additional holes for accessories or different bracket configurations. Common challenges include aligning fog light cutouts with existing wiring and ensuring proper clearance for tow hooks. Professional installation runs $200-400 if you prefer to have a shop handle it.
What bumper styles are available, and how do they affect aerodynamics and fuel economy?
Common styles include Texas-style (squared ends), curved/aero designs, and classic straight bumpers. Texas-style bumpers with squared ends can reduce fuel economy by 0.5-1 MPG due to increased wind resistance. Aero-style bumpers with tapered ends help maintain factory aerodynamics. Bumper height also matters - lower profile bumpers (14-16 inches) generally perform better than taller designs (18-20 inches). Consider your typical routes and speeds when choosing between style and efficiency.
Do these bumpers accommodate factory fog lights and sensors, or will I need modifications?
Most quality aftermarket bumpers include pre-cut fog light openings that match OEM specifications for the 388/389. However, bumpers designed for older models may not have provisions for newer safety features like radar sensors or camera systems (typically 2013+ models). If your truck has collision mitigation systems, verify the bumper has appropriate sensor mounting locations or can be modified without affecting system operation. Some bumpers offer blank plates that can be cut to accommodate various light configurations.
Peterbilt 388 Sleeper Rear Acc.
Peterbilt 388 Sleeper Repair Parts
Peterbilt 388 Sleeper Roof Acc.
Peterbilt 388 Sleeper Side Acc.
