2020-2025 3.0L Duramax

The 2020–2025 GM 3.0L Duramax (LM2 and LZ0 generations) brings diesel efficiency and torque to the Chevrolet Silverado 1500 and GMC Sierra 1500, giving light-duty truck owners a smooth, fuel-efficient option with real towing muscle.

Our catalog of 2020–2025 3.0L Duramax parts includes everything from stock maintenance components to performance upgrades. Popular options include cold air intake systems from S&B and Banks for improved airflow, MBRP and AFE exhaust systems for efficiency and sound, and PPE and Edge monitoring solutions for real-time performance data. Many owners also choose FASS fuel systems, ACDelco filters, and ARP hardware to boost long-term reliability. Whether you’re after better towing response, smoother power delivery, or simply dependable maintenance, these parts are engineered specifically for your 3.0L Duramax-powered Silverado or Sierra 1500.

Thoroughbred Diesel is your trusted source for 3.0L Duramax parts and upgrades. Browse by category, explore trusted brands, or check out our featured products below — everything you need for your 2020–2025 Silverado or Sierra 1500 3.0L Duramax is right here.

3.0L Duramax LM2 & LZ0 Fuel System, Turbo, Intake & Performance Upgrades

The 2020–2025 GM 3.0L Duramax brought diesel power to the light-duty truck market, offering an ideal balance of towing capability and fuel efficiency for Chevrolet Silverado 1500 and GMC Sierra 1500 owners. Known for its smooth inline-six design, quiet operation, and impressive torque output, the 3.0L Duramax delivers excellent drivability and reliability for both work and daily use. At Thoroughbred Diesel, we carry a complete selection of 3.0L Duramax parts and upgrades to help you maintain, protect, and improve your truck’s performance.

• Edge Insight CTS3 Digital Gauge Touchscreen Monitor
• Edge Insight CTS3 (84130-3) & Edge EGT Probe with Lead (98620)
• G&R Diesel Billet Aluminum Bottom Sump w/ Integrated Fuel Return System - Universal
• Beans Diesel-Bean Machine Multi Function Fuel Tank Sump Kit
• WC Fab GM Billet Heater Core Fitting Kit With Hose
• Edge Pulsar LT + Edge Insight CTS3 - 19-22 GM 1500 3.0L Diesel
• Andersen Ultimate Connection (Lowered Flatbed Mount Toolbox Version)
• Stanadyne Performance Formula - 1/2 Gallon Bottle (CASE of 6 Bottles) - Treats 250gal of diesel fuel per bottle - 38566C
• Stanadyne Performance Formula - "One Shot" 8oz Bottle (CASE of 24 Bottles) - Treats 30gal of diesel fuel per bottle - 38564C
• Pacbrake 24V Air Compressor W/Vertical Pump Head HP625 Series Pacbrake
• Blue Ox Towing Swaypro Weight Distributing Hitch, 1000 Lb. Clamp-On, 7 Hole Shank
• HSP Diesel RFAB Replacement 4.5 Inch Dry Air Filter
• HSP Diesel RFAB Replacement 4.5in Oiled Air Filter
• ISSPRO EV2 Fuel Pressure 0-30 PSI
• Vibrant Performance T304 Stainless Steel 90 Degree Mandrel Bend, 5" O.D.
• Mel's Manufacturing 5" Polished 304 Stainless Steel Diesel Turn Out Exhaust Tip Clamp/Weld On
• Edge Products Gauge Pillar Adapter - 98004
• Edge EAS Street Diesel Kit
• PPE Premium High-Efficiency Oil Filter - 2020-2025 GM 3.0L Duramax LM2/LZ0 | 2019-2022 GM 1500 Truck/SUV (Gas)
• Fleece Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 8 pack
• FASS Sump Kit
• B&W Hitch Gooseneck OEM Ball and Chain Safety Kit (Fits GM/Ford/Nissan with Factory Puck System)
• Kryptonite Bolt-In Upper Ball Joint (For Aftermarket Upper Control Arms) - 88-24 GM 1500/2500/3500
• Mishimoto Black Oil Catch Can - Universal - MMOCC-RB