Services
Located in West Michigan, Merchant Automotive has been a trusted leader in Duramax diesel engine repairs, Allison transmission services, and emissions system solutions for over 20 years, proudly serving customers nationwide. Our certified skilled technicians specialize in everything from routine maintenance and diagnostics to full engine rebuilds, transmission overhauls, and emissions system repairs or upgrades, ensuring your Duramax-powered vehicle delivers maximum performance, reliability, and efficiency. Using advanced tools and OEM or performance-grade parts, we provide solutions tailored to enhance power, durability, and emissions performance. In addition to our expert services, we manufacture our own high-quality, precision-engineered parts for Duramax vehicles, designed to meet the toughest demands. Whether you're local or across the country, trust Merchant Automotive to keep your Duramax running strong and clean for the miles ahead.
Chassis & Suspension Repair
- Anti-Lock Brake Service & Diagnostics
- Brake Inspection, Service & Repair
- Shocks & Struts Repair & Replacement
- Steering System Repairs
- Suspension Work
Electrical Services
- Alternator Repair & Replacement
- Battery Testing & Replacements
- Computer Diagnostics
- Electrical System Diagnostics & Repair
- Light Repair & Bulb Replacements
- Power Accessory Repair - Locks, Windows & more
- Power Steering Repair
- Starter Repair & Replacement
Engine Services
- Belt Replacement
- Check Engine Light & Warning Light Diagnostics
- Computer Tuners & Programmers
- Diesel Engine Diagnostics
- Diesel injector maintenance, repair & replacement
- Drivability Diagnostics & Repair
- Engine Performance Check
- Engine Replacements
- Engine Service, Maintenance & Repair
- Fluid flushing & Synthetic Fluid Changes
- Fuel Injection Repair & Service
- Fuel System Repair & Maintenance
- Glow plugs replacement & service
- Head Stud Installations & Head Gasket Replacements
- Hose Replacement
- Ignition System Repair & Maintenance
- Overheating Diagnostics
- Preventative Maintenance
- Radiator Repair & Replacement
- Turbo Charger Repair, Replacements & Upgrades
- Water Pump Repair & Replacement
Transmission
- Axle Repair & Replacement
- Clutch Repair & Replacement
- Differential Rebuild & Service
- Driveline Repair & Maintenance
- Driveshaft & U-Joint Repair
- Flywheel Repair & Replacement
- Transmission Fluid Flush & Service
- Transmission Overhauls & Upgrades
- Transmission Repair & Service
- Transmission Replacement
Heating & Air Conditioner Services
- Air conditioning repair & recharging
- Auto Air Conditioning Repair & Service
- Compressor Repair & Replacement
- Evaporator Repair & Replacement
- Heating & Cooling System Diagnostics
- Heating System Repair & Service
- Refrigerant Replacement
Exhaust Services
- DPF cleaning & replacement
- Exhaust - Performance Cat-back & Turbo-back kits
- Exhaust Repair & Replacement
- Muffler Repair & Replacement
- Smog Check & Emissions Testing
Inspections
- Comprehensive Maintenance Inspection
- FHWA / DOT Inspections
- Pre-purchase Vehicle Inspection
- State Vehicle Safety Inspections