All Categories
Injectors
Fuel injectors, injector sets, and injector hardware for the LB7, LBZ, LMM, LML, and L5P Duramax — from the notorious LB7 injector fix through high-flow performance injectors for higher horsepower diesel builds.
3 products
Turbos
Turbochargers, VGT units, turbo rebuild kits, and upgrade turbos for the GM Duramax diesel — restore stock boost or add drop-in and compound turbo power to your GM HD diesel.
1 products
Fuel System
Lift pumps, CP3 and CP4 high-pressure fuel pumps, fuel rails, lines, regulators, and fuel-system kits that feed the Duramax reliably — including CP4 protection for LML and L5P trucks.
8 products
Tuners & Programmers
Diesel tuners, programmers, and monitors that unlock power, improve towing, and read live data on the LB7, LBZ, LMM, LML, and L5P Duramax.
0 products
EGR & Cooling
EGR coolers, EGR delete and upgrade kits, radiators, oil coolers, water pumps, and thermostats that address the Duramax's cooling and emissions-system weak points on the LMM, LML, and L5P.
0 products
Air Intake
Cold air intakes, intake elbows, intercooler pipes, and boost tubes that free up airflow and feed the Duramax turbo more cool, dense air.
0 products
Exhaust & DPF
Turbo-back and cat-back diesel exhaust systems, downpipes, and exhaust hardware that free up flow and give the Duramax a deeper diesel tone — including DPF-back options for LMM/LML trucks.
0 products
Head Studs & Gaskets
ARP head studs, head gasket sets, and top-end sealing hardware — the foundation of any high-boost Duramax build to keep gaskets sealed under elevated cylinder pressure.
0 products
Filters & Maintenance
Oil, fuel, and air filters, glow plugs, oil, and the routine service parts that keep the LB7, LBZ, LMM, LML, and L5P Duramax running mile after mile.
1 products
Performance
Gauges, intercoolers, coolant filters, and bolt-on performance parts that add power, reliability, and towing capability to your Duramax diesel.
0 products
Parts & Accessories
General GM Duramax diesel parts and accessories — the catch-all for everything that doesn't fit a single system.
6 products