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, by iFJF Direct LBZ or LMM - DSP 5 Switch - INSTALL & TROUBLESHOOTING
Home › News › How to Install a DSP 5 Switch on Your LBZ or LMM Duramax How to Install a DSP 5 Switch on...
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, by iFJF Direct RACOR SPIN-ON FUEL FILTER / WATER SEPARATOR R12T alternative m18 x 1.5
RACOR R12T Alternative Fuel Filter: The Complete Guide to Spin-On Diesel Fuel/Water Separators (M18 x 1.5 Thread) 🛒 Parts Used in This Guide 12642623 Fuel...
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, by iFJF Direct Duramax NOx Sensor 5WK96645H Replacement Guide: Fault Codes, Diagnostics & DIY Install
Complete guide to diagnosing and replacing the downstream NOx sensor (5WK96645H/12669595) on Duramax LML and L5P engines. Covers fault codes, step-by-step install, and OEM vs...
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, by iFJF Direct R12T Fuel Filter Water Separator Kit - 120 AT NPT ZG1/4-19 with Fittings
🛒 Parts Used in This Guide 12642623 Fuel Filter Head + 1R-0750 Refit for 2005-2016 Dura $87.99 Shop Now → 1R-0750 Fuel Filter Aluminum Head...
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, by iFJF Direct Autolite 1100 Idle Circuit
Autolite 1100 Carburetor Idle Circuit: The Complete Guide Every Restorer Needs Published: July 30, 2026 Category: Carburetor Technical Guide Reading Time: ~8 min If you're...
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, by iFJF Direct GMT-400 Riveted Ball Joint Removal: Chevy C/K How-To Guide
🛒 Parts Used in This Guide 12642623 Fuel Filter Head Kit w/ 1R-0750 Refit for Duramax 6 $75.99 Shop Now → 1R-0750 Fuel Filter Aluminum...
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, by iFJF Direct The TRUTH about EGR DELETES... Actual Science!
Home › News › EGR Delete: Complete Science Guide EGR Delete on Diesel Trucks: The Complete Science-Based Guide (2025) 🛒 Parts Used in This Guide...
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, by iFJF Direct 5.9 & 6.7L Cummins Serpentine Belt Diagram & Replacement Guide (2003-2024)
Replace your Cummins serpentine belt in 15 minutes. Belt routing diagram for 5.9L (2003-2007) & 6.7L (2007-2024). Tools needed, tensioner location & Gates/K080660 Dayco part...
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, by iFJF Direct L5P Duramax: Downpipe Install + EGR Block-Off | Step By Step
L5P Duramax EGR Delete & Aftermarket Downpipe Install Guide (2017–2019) What This Guide Covers: Removing the EGR cooler, installing EGR block-off plates, and replacing the...
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, by iFJF Direct 2006-2007 LBZ Duramax Cold Air Intake Install Guide
Upgrading the cold air intake on your 2006–2007 Chevrolet or GMC Duramax 6.6L (LLY/LBZ) is one of the most rewarding bolt-on jobs you can do...
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, by iFJF Direct Installing the EDGE CTS3 TUNER on My 2019 GMC Sierra Denali HD (L5P Du
How to Install the Edge CTS3 Evolution Tuner on a 2019 GMC Sierra Denali HD (L5P Duramax) L5P Duramax Edge CTS3 GMC Sierra Denali HD...
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, by iFJF Direct Duramax LB7 Injector Replacement: Step-by-Step DIY Guide (2001-2004)
Replace LB7 Duramax injectors yourself and save $2,000+ in labor. Complete DIY guide with torque specs, tools needed, and tips to avoid common mistakes. Fits...
