Your Trusted Source for Peterbilt OEM & Aftermarket Truck Parts
We Provide Premier Parts And Service For Your Truck
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PeterBilt Parts Depot
Peterbilt Truck Parts when your rig is down, every hour costs money. Peterbilt Parts Depot stocks the OEM and aftermarket components that keep Class 8 trucks rolling from PACCAR MX engine internals to Fuller transmission rebuild kits, sourced from certified suppliers and shipped fast to your door or your fleet yard.
Whether you run a single Peterbilt 389 or manage a mixed fleet of 579s and 567s, you'll find the exact part you need, with the fitment confidence that comes from a team that knows these trucks inside and out.
Shop by Peterbilt Truck Model
Not every Peterbilt is built the same, and the wrong part wastes your time and money. Browse our catalog by model to find components spec'd to your exact truck — correct cab configuration, correct engine variant, correct mounting hardware.
We stock parts across the full Peterbilt lineup, including legacy models still working hard in regional and vocational fleets.
OEM Peterbilt Parts
For certain components, there is no acceptable substitute for factory OEM. Engine seals, gaskets, and internal transmission components are engineered to factory tolerances deviating even slightly on material composition or dimensional spec can accelerate wear, cause fluid ingestion, or trigger fault codes on PACCAR-equipped trucks.
Cab mounting hardware, torque rods, and fifth wheel fasteners are safety-critical items where OEM certification is not optional. Our OEM inventory is sourced directly through certified Peterbilt and PACCAR supply channels, with documentation to verify authenticity. If you're doing a warranty repair, performing DOT-required maintenance, or simply won't risk a comeback on an engine job OEM is the right call.
FEATURED PRODUCTS
Aftermarket Peterbilt Parts
Quality aftermarket parts have a legitimate and well-established place in commercial vehicle maintenance, and experienced fleet managers know exactly where to use them. Air filtration systems, exterior lighting, mirrors, mudflaps, interior accessories, and wear items like brake shoes are categories where premium aftermarket brands often match or exceed OEM performance at a lower per-unit cost.
The key is knowing which aftermarket suppliers meet commercial-grade standards. We carry aftermarket lines tested for Class 8 fitment and durability so you're not gambling on quality to save a few dollars. For owner-operators upgrading to LED lighting across a long-haul rig, our aftermarket catalog gives you options OEM simply doesn't offer.
Engine, Drivetrain & Transmission Components
The powertrain is where downtime gets expensive and where parts quality matters most. We stock a comprehensive inventory for the PACCAR MX-13 and MX-11 — Peterbilt's primary factory engine options — including injectors, EGR components, turbocharger hardware, oil coolers, and rebuild kits. For trucks spec'd with the Cummins ISX15 or ISX12, we carry Cummins-compatible parts across the same major categories.
On the drivetrain side, we stock Fuller Advantage series transmission components, Meritor rear axle parts including differential gear sets and bearing kits, and Eaton clutch assemblies for manual-equipped trucks. Whether you're doing a full transmission overhaul or replacing a single worn synchronizer ring, our inventory is built for the depth that serious shop work demands.
Cab, Interior & Sleeper Parts
For owner-operators, the cab isn't just where you work — it's where you live. We stock the full range of cab and interior components for Peterbilt conventional and aerodynamic models, including dash panels, instrument cluster hardware, OEM-matched seating, door seals, mirror assemblies, and bunk accessories for sleeper configurations.
HVAC components — blower motors, evaporator cores, climate control modules — are stocked for both the 389 and 579 cab platforms, which use different systems and are not interchangeable. Deteriorated door seals increase cabin noise and HVAC load, worn mirror mounts are a DOT compliance issue, and a failed bunk heater on a winter run is an urgent repair. We treat cab parts with the same technical seriousness as drivetrain components.
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Electrical, Lighting & Wiring for Peterbilt Trucks
Modern Peterbilt trucks are sophisticated electrical systems on wheels, and electrical faults are among the most time-consuming repairs when you're working with the wrong parts. We stock wiring harnesses by model and year, ECM and ECU modules, ABS wheel speed sensors, trailer connector assemblies, and a full range of OEM-matched and upgraded lighting components.
Our LED conversion kits for Peterbilt headlights, marker lights, and interior cab lighting are spec'd for direct OEM fitment — no splicing, no adapter kits. For fleet maintenance teams dealing with recurring electrical issues, correct-spec wiring harnesses and genuine sensor components are the difference between a clean repair and a repeat fault code.
Upgrades and Customization
Upgrading your Peterbilt truck can greatly enhance its performance and appearance. Many owners find customizing their trucks both rewarding and practical.
Performance upgrades are often the first consideration. Engine enhancements and aerodynamic improvements can increase fuel efficiency and power. These changes contribute to a smoother, more robust driving experience.
Aesthetic upgrades also play a significant role. Custom paint jobs, chrome accessories, and LED lights can give your truck a distinctive look. Unique touches make your vehicle stand out on the road.
Considering modern tech is a smart move. Adding GPS systems, advanced audio setups, and connectivity features can improve driving convenience. These additions align your truck with the latest industry trends.
Key upgrades to consider include:
Engine enhancements
Aerodynamic modifications
Custom paint and chrome accessories
GPS and audio systems
Why Fleet Managers & Owner-Operators Trust Us
Peterbilt Parts Depot was built as a specialist operation not a general truck parts retailer that happens to carry Peterbilt SKUs. Our catalog is focused exclusively on Peterbilt and compatible components, which means our inventory depth, supplier relationships, and technical knowledge are concentrated where you need them.
We maintain direct sourcing relationships with certified OEM suppliers and vet every aftermarket line we carry against Class 8 commercial fitment and durability standards before it goes live in our catalog. Our parts advisors are not call center generalists they understand the difference between a PACCAR MX-13 and a Cummins ISX application, and they know that the 389 and 579 share almost nothing in cab structure.
OEM-verified parts sourced from certified Peterbilt and PACCAR suppliers
30-day hassle-free returns on eligible parts
Expert parts advisors available by phone — real Peterbilt knowledge, not a script
Same-day dispatch on in-stock items with expedited options for urgent repairs
Secure checkout with encrypted payment processing
Fitment verification support before you buy
Fast Shipping on Peterbilt Parts Nationwid
A truck sitting in a yard or on the side of the road is not a theoretical problem it's real money leaving the table every hour. We ship in-stock Peterbilt parts same day on orders placed before our daily cutoff, with expedited and overnight options available for urgent fleet repairs that can't wait for standard ground transit.
We serve owner-operators, independent shops, and fleet maintenance operations across the continental United States, with carrier options optimized for both speed and freight-safe delivery on larger components. For fleet accounts managing ongoing parts spend, contact our team to discuss volume shipping arrangements.
Frequently Asked Questions
Do you sell genuine OEM Peterbilt parts
Yes. We source OEM Peterbilt and PACCAR parts through certified supply channels, and our OEM inventory is accompanied by documentation verifying part authenticity and supplier certification. We do not substitute aftermarket parts as OEM — the distinction is clearly labeled across our entire catalog.
What Peterbilt models do you carry parts for
Our catalog covers the full current Peterbilt lineup including the 389, 579, 567, 348, 367, 337, and 330, as well as parts for legacy Peterbilt models still in active commercial service. We strongly recommend using our model-specific browse filters or contacting our parts advisors to confirm fitment before ordering — particularly for cab, electrical, and drivetrain components where cross-model compatibility is limited.
How fast do you ship Peterbilt parts
In-stock items ship same day on orders placed before our daily dispatch cutoff. Standard ground shipping typically delivers within 3–5 business days. Expedited and overnight options are available at checkout for time-sensitive repairs. Large or freight-class components ship via freight carrier with lead times confirmed at checkout.
What is your return policy on truck parts
We accept returns on eligible parts within 30 days of delivery. Parts must be in original, uninstalled condition with original packaging. Electrical components, special-order items, and parts that have been installed or modified are not eligible for return. If a part arrives damaged or incorrect due to an error on our end, we will arrange a replacement or full refund at no cost to you.
The Future of Peterbilt Parts
Key trends include:
Smart sensors and IoT components
Eco-friendly materials
Enhanced fuel efficiency
The landscape of Peterbilt parts is rapidly evolving. Technological advancements are reshaping components, enhancing efficiency and sustainability. Staying updated with these trends can give truck owners a competitive edge.
Smart technology integration is a significant trend. This includes parts with electronic monitoring capabilities. These innovations ensure proactive maintenance and real-time performance analysis.
Environmental consciousness is driving another shift. Sustainable materials and designs are becoming more prevalent. This focus on eco-friendliness aligns with broader industry goals.
These advancements promise a brighter future for Peterbilt trucks. Embracing them can enhance vehicle lifespan and functionality. Keeping abreast of these changes is essential for all truck lovers.
Maximizing the Value of Your Peterbilt Truck
Ensuring the longevity and performance of your Peterbilt truck involves using the right parts. Genuine parts can maintain the truck's reliability and value.
Regular maintenance and thoughtful upgrades not only enhance efficiency but also improve aesthetics. Staying informed about new trends and parts can greatly benefit truck owners. Optimize your investment by choosing quality components and staying proactive with care.
FIND OUR COMPANY
Peterbilt Parts Depot is a specialist source for OEM and aftermarket Peterbilt truck parts built for the professionals who keep Class 8 trucks on the road and fleets running at full capacity.
Houston, TX 77024
Mon – Thurs: 6am-10pm, Friday: 6am-9pm,
Saturday: 7am-7pm, Sunday: 1pm-6pm
Email: sales@peterbiltpartsdepot.shop
