Merchant Automotive

Merchant Automotive is a leading industry expert when it comes to Chevy/GMC Duramax diesel trucks. Search the wide variety of parts & accessories offered by Merchant and upgrade your Silverado/Sierra 2500HD/3500HD today.

Merchant Automotive Duramax & Allison Performance Upgrades

Merchant Automotive is a leading expert when it comes to Duramax and Allison transmission-equipped vehicles. Engineered with precision for durability, their products are designed to restore your truck's performance, reliability, and overall driving experience. Whether you're a weekend warrior, a hardcore off-roader, or a dedicated diesel enthusiast, Merchant Automotive has the perfect parts to help you achieve your goals.

Engine

Merchant Automotive offers a wide selection of Engine parts and components that you need to repair or rebuild the Duramax engine in your truck. Engine Gaskets & Seals ranging from Water In Fuel (WIF) Sensor O-ring to a Master Engine gasket kit are available. Sensors & Electrical components like injector harness pigtails, start solenoids, fuel pressure regulators, and much more are provided by Merchant Automotive. Engine Fasteners, Glow Plugs, and many other Engine components are offered to keep your engine running for many years to come.

Fuel System

Merchant Automotive manufactures numerous Fuel System Components such as Fuel Injector Lines, Fuel System Contamination Kits, and Fuel System Gaskets & Seals. Offering return Passenger and Driver Side Fuel Injector Return Lines, Merchant also has Fuel Injector Line Sets that feel fuel from the rail to the injector. Merchant Automotive's Fuel Contamination Kits come in a variety of options: Complete Kit, No Injectors, No CP4 injection pump, and No Injectors & No CP4 pump allowing you to mix and match parts. Whether you need banjo seals, copper injector seals, return line seals, or a deluxe fuel injector installation kit, Merchant Automotive has these Fuel System Gaskets & Seals and more! Merchant Automotives provides many more Fuel System components to keep the common rail fuel system in your truck leak-free.

Tools

Offering a vast selection of Duramax-specific Tools, Merchant Automotive has the equipment you need to wrench on your truck. Specialty tools such as engine seal driver kits, fan clutch wrenches, and injector & glow plug removal tools are available for most year Duramax engines. All Merchant Automotive are manufactured with high-quality materials and built to provide many years of reliable use.

Merchant Automotive also offers a wide range range of other products such as Transfer Cases, Turbochargers, and Transmission components. They offer a large selection of parts to repair, replace, or upgrade your Allison Transmission. Transmission Cooler Line Repair Kits are a permanent solution to a common problem and are designed to help get you back on the road. Merchant also offers Transmission Rear Housing Supports to reinforce your transmission and transfer case that can help prevent your housing from cracking. Other popular items like their High-Performance Motor Mounts are an ideal upgrade for high horsepower applications. With unrivaled quality and performance-driven innovation, Merchant is your ultimate destination for all things Duramax.

Upgrade your Chevy Silverado or GMC Sierra 2500HD/3500HD at XDP and experience the Merchant Automotive difference.