Automotive Repair & Performance Services in Grand Bay, AL
At L&L Automotive & Performance, we do more than just basic repairs, we’re a full-service shop serving Grand Bay, Mobile County, and surrounding areas with professional maintenance, performance upgrades, and diesel diagnostics. From fleet maintenance and OEM programming to engine swaps, transmission installs, and performance modifications, we have the tools, experience, and passion to handle just about anything your vehicle needs.
Our Services
Diesel Service
From head gaskets and stud kits to turbo installs and engine replacements, we know diesel. We work on Power Stroke, Duramax, and Cummins, offering both factory-level repair and high-performance upgrade options. We also handle DEF system diagnostics, DPF cleanings, EGR repairs, and more.
Transmissions
We specialize in transmission replacements for gas and diesel vehicles. Whether you're dealing with slipping, grinding, or total failure, we install OEM and performance-built transmissions for long-term reliability. We also offer full clutch replacements, flywheel service, and manual transmission installs for cars, trucks, and diesel vehicles.
Maintenance
We handle starter & alternator replacements, brake jobs, battery installs, belt and hose replacements, etc. Need an oil change? We use quality filters and fluids that match your vehicle’s spec. If your check engine light is on or your truck’s slow to crank, don’t wait, bring it by for a quick inspection and let us keep small issues from becoming big repairs
Automotive Repair, Diesel & Performance Upgrades in
Grand Bay, AL
At L&L Automotive & Performance, we’re a locally owned and operated shop providing expert automotive repair and performance services in Grand Bay, AL. Proudly serving Mobile County and surrounding areas, we handle everything from basic maintenance to full engine and transmission replacements, diesel upgrades, AC repair, OEM programming, suspension work, and more. Whether you drive one vehicle or manage a fleet, we’re committed to honest work, fair pricing, and quality you can count on.
We specialize in diesel repair and performance upgrades for Power Stroke, Duramax, and Cummins trucks, offering turbo installs, head gaskets, engine replacements, DPF/DEF service, and tuning support. We also provide AFM, DOD, and MDS delete services to restore reliability and performance in GM and HEMI-powered vehicles. Looking for more power? Ask about our custom roll cages, cat-back exhaust installs, and full line of performance modifications.
Fleet Services, Transmissions & Preventative Maintenance
As a family-run business, we understand how important reliable transportation is. That’s why we offer complete fleet maintenance and repair services for local businesses, including scheduled service, tire replacement, inspections, and major repairs like engine or transmission installs. We work hard to reduce your downtime and keep your team moving.
We’re also your trusted shop for clutch replacements, manual transmission installs, and performance clutch kits for both gas and diesel platforms. From daily drivers to heavily modified cars & trucks, we offer skilled installs built to match how you drive.
We're proud to be EPA-certified, giving you peace of mind that your AC and emissions-related repairs are done right and to regulation standards. At L&L Automotive & Performance, we combine dealer-level knowledge with small-town service, right here in Grand Bay, Alabama.