Norcal Diesel Performance parts and accessories are engineered for diesel owners who demand more than off‑the‑shelf solutions, combining real‑world testing with OE‑plus fitment you can trust. The Norcal Diesel Performance brand stands out because every component is designed, tested, and validated in‑house by technicians who work on Powerstroke, Duramax, and Cummins engines every day. Nothing is sold unless it meets strict standards for performance and long‑term reliability. The product scope covers critical systems such as fuel injection upgrades, engine wiring harnesses, head gaskets, ARP stud kits, sensors and electrical pigtails, valve cover gaskets, exhaust components, battery cable kits, diesel accessories, and ProDuty OEM+ engine and transmission mount kits. Unlike competitors that rely solely on generic sourcing, Norcal Diesel Performance backs its parts with hands‑on experience, vehicle‑specific engineering, and direct expert support, giving customers confidence that each part is built to solve common diesel failure points and perform under real driving and towing conditions.
Fuel Injection Control Module FICM Harness for 05-07 Ford 6.0LNew
OEM Quality Fuel Injection Control Module (FICM) Harness
Fits 2005-2007 Ford Powerstroke 6.0L Pickup
WILL NOT FIT ECONOLINE VAN
Direct-Fit replacement for 5C3Z-9D930-A
Direct‑fit fuel injector connector repair kit with 16 gauge grey wire pigtails for GM 6.6L LML/L5P and 3.0L LM2/LZ0 Duramax applications.
Set of 8 connectors with approximately 4....
Fuel Pressure Regulator Blue Spring Upgrade Kit 03-07 Ford 6.0L Powerstroke DieselNew
Fits 2003-2007 Ford F250/F350 with 6.0L Powerstroke
Upgraded Blue Spring
10-15 PSI Increase from Stock
Cost-Effective Peace of Mind
Better Fuel Atomization
Improved Throttle Resp...
Passenger Side OEM Replacement Up-Pipe 2001-2004 Duramax 6.6L LB7 with Federal EmissionsNew
OEM Replacement Passenger Side Up-pipe made from durable 201 stainless steel
Fits 2001-2004 Chevrolet Silverado and GMC Sierra 2500 / 3500 with Federal emissions standards.
This product ...
Valve Cover Gasket Set for 2003 - 2007 Ford with 6.0L PowerstrokeNew
OEM-Quality Valve Cover Gasket Set
Complete Kit, Services Both Sides
Fits 2003-2007 Ford 6.0L Power Stroke Engines, Ford F-250, F-350, F-450, F-550 and Excursion Models
The Norcal Diesel Performance (NCDP) Premium Head Gasket Master Bundle Kit is the ultimate, customizable solution for your 2001-2004 6.6L Duramax engine build. At the core of this premium GMP ...
High Flow 3" Downpipe for 04.5–10 GM 6.6L Duramax Diesel LLY/LBZ/LMMNew
Replace the crushed, restrictive factory downpipe on your 2004.5–2010 GM 6.6L Duramax with a full 3" mandrel-bent high flow downpipe. Smooth internal transitions let the turbo breathe, drop ...
High Flow 3" Downpipe for 17-25 GM 6.6L Duramax Diesel L5PNew
Ditch the flattened, restrictive factory downpipe on your 2017–2025 GM 6.6L Duramax L5P and replace it with a full 3.5" mandrel-bent high flow unit. Smooth internal bends and a larger cross-...
