
Detroit DD15 Turbocharger: Failure Signs, Common Problems & Best Replacements
The Detroit DD15 turbocharger is a fixed geometry turbo. That is the first thing to get straight, because a lot of advice written for Cummins and…
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Holset HE351CW Turbo: Common Problems, Symptoms and Rebuild Guide
The HE351CW is the most common turbo on the 5.9L Cummins ISB. Learn the five most common failure modes, how to diagnose them, and when to…
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Detroit DD13 Turbocharger: Failure Symptoms, EGR Interaction & Replacement Options
The Detroit DD13 turbocharger is a fixed geometry turbo, and that shapes everything about how it fails and how it is diagnosed. The 12.8L DD13 in…
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Detroit Diesel Series 60 Turbocharger Guide: Garrett & BorgWarner S400 Replacement & Cost
If you’re running a Detroit Diesel Series 60 and your boost is lagging, your EGTs are climbing, or you’ve got oil pooling in the charge pipe,…
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Caterpillar 3126 Turbocharger Guide: School Bus & Medium Duty Replacement
If you run a fleet of school buses, dump trucks, or medium duty rigs, you already know the Caterpillar 3126 turbocharger is the heart of one…
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Caterpillar C18 Turbocharger: Heavy Equipment & Generator Applications Guide
The Caterpillar C18 turbocharger is one of the hardest-working forced induction units in the heavy equipment and standby power world. If you run C18-powered haul trucks,…
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Caterpillar C9 Turbocharger Guide: BorgWarner S310 for Machine & Truck Applications
The Caterpillar C9 is one of the most versatile 8.8L inline-six diesels Cat ever built, powering everything from on-highway trucks and buses to excavators, wheel loaders,…
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Caterpillar C7 Turbocharger: Common Failures, Part Numbers & Replacement Guide
If you run a Caterpillar C7 in a medium-duty truck, bus, RV chassis, or piece of off-highway equipment, the turbocharger is the single component most likely…
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Caterpillar C13 Turbocharger: Symptoms, Diagnosis & Complete Replacement Guide
If you run a Caterpillar C13, you already know this engine is a workhorse. Found in everything from on-highway trucks to wheel loaders and gensets, the…
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Caterpillar C15 Turbocharger Guide: Common Failures, Replacement Parts & Cost
The Caterpillar C15 turbocharger is one of the hardest-working components in over-the-road trucking, and when it starts to fail it takes your boost, your fuel economy,…
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Duramax L5P Turbocharger Guide: What Changes in the 2017+ Generation
The 2017 Duramax L5P didn’t just bump horsepower numbers, it rewrote the turbocharger playbook that GM had been running since the LB7 days. For the first…
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Duramax LML Turbocharger Guide: GT3788VA Problems & Replacement (2011-2016)
If you run a 2011-2016 GMC Sierra or Chevy Silverado HD with the 6.6L LML Duramax, the GT3788VA turbocharger is the single most likely big-ticket failure…
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