Mack Semi Truck Parts and Accessories
Keeping your Mack on the road means having access to the right partsâfast. At 4 State Trucks, we carry a full line of aftermarket Mack truck parts and accessories to help you stay ahead of maintenance, minimize downtime, and keep your business rolling. Whether youâre running a Mack Superliner or a classic Mack R Model, weâve got the semi truck parts that get the job done.
High-Quality Parts for Every Mack Truck Model
Whether you're replacing worn parts or upgrading your rigâs performance, we carry commercial truck parts for a wide range of Mack models. From the rugged Superliner to the workhorse R Model, our inventory includes everything from exterior body panels to cab accessories and under-hood components.
This Mack collection is built to meet the same heavy-duty standards your truck was designed for. If you're looking for reliable truck parts online, you've come to the right place.
Best Features
When you invest in semi truck parts, you need gear thatâs built for durability and efficiency. Our aftermarket Mack parts are engineered to hold up under pressure and deliver the performance your business depends on.
Top features include:
Diesel-compatible components designed for fuel efficiency and power.
Tough, road-ready construction for maximum durability.
Easy-to-install parts for both urban and off-road applications.
Support for a wide range of configurations and payload needs.
A huge variety of truck parts and accessories to match your rigâs specs.
Whether youâre tackling local hauls or cross-country jobs, these parts are built to take the abuse and keep on running.
Shop Commercial Truck Parts Online with 4 State Trucks
From longtime Mack drivers to growing fleets, truckers across the country count on 4 State Trucks for dependable online truck parts and expert service. Whether youâre keeping an old R Model alive or upgrading your Superliner with modern components, weâre here to help with quality you can trust.
Frequently Asked Questions About Mack Truck Parts
Will these aftermarket parts fit my specific Mack truck model and year?
Our Mack truck parts are designed to fit most common models including the Anthem, Pinnacle, Granite, and older CH, CL, and Vision series. However, compatibility can vary by year and specific configuration. We recommend checking the product description for model years listed, or contact our support team with your VIN number for exact fitment verification. Many parts fit multiple years (for example, 2008-2017 Pinnacle models often share components), but critical items like bumpers and hoods may have year-specific variations.
What's the difference between chrome, stainless steel, and painted finishes for bumpers and exterior parts?
Chrome-plated steel bumpers offer the classic mirror finish but require regular polishing and can eventually show pitting or rust if the chrome layer is damaged. Stainless steel parts cost more initially but resist corrosion better and maintain their appearance with less maintenance - just periodic cleaning with stainless polish. Painted finishes are the most economical option and can be color-matched to your truck, but may need touch-ups after stone chips or scratches. For harsh winter conditions with road salt, stainless steel typically provides the best long-term value.
Can I install these parts myself, or do I need a professional shop?
Many exterior parts like mirror covers, mud flaps, and grille inserts can be installed with basic tools in 30-60 minutes. However, bumpers, hoods, and fenders typically require two people, proper lifting equipment, and alignment expertise. Bumper installations often need bracket adjustments and may require drilling new mounting holes. We provide installation instructions when available, but for major components, we recommend professional installation to ensure proper fit and maintain warranty coverage. Labor typically runs 2-4 hours for bumper swaps at most truck shops.
Are aftermarket parts as durable as OEM Mack parts?
Quality varies significantly among aftermarket manufacturers. Our premium aftermarket partners use similar gauge steel and manufacturing processes as OEM parts, often at 30-50% less cost. Look for parts with specified steel thickness (16-gauge or thicker for bumpers), proper drainage holes to prevent rust, and reinforced mounting points. While OEM parts guarantee exact fit, many of our aftermarket options meet or exceed OEM durability standards. Check product reviews and warranty terms - reputable aftermarket parts typically include 1-3 year warranties against defects.
What should I know about DEF tank covers, battery box covers, and other specific Mack components?
These truck-specific parts often have unique mounting systems that changed across model years. DEF tank covers for 2011-2015 Mack trucks use different brackets than 2016+ models. Battery box dimensions vary between daycab and sleeper configurations. When ordering electrical components like headlights or marker lights, verify voltage requirements (12V vs 24V systems). For air intake components, confirm whether you have a vertical or horizontal air cleaner setup. Including your VIN or calling with your truck's specifics helps ensure you receive the correct variation.