Turbocharger Tech Explained

This Audi 3.0L TDI Turbocharger Guide is built for the mechanics, fleet managers, and owner-operators who actually turn wrenches on these engines, not for people looking for vague advice. The 3.0 TDI V6 has powered the A6, A7, A8, Q5, and Q7 for well over a decade, and when the turbo system starts acting up,

This VW 1.9L TDI Turbocharger Guide is built for the mechanics, owner-operators, and independent shops who keep these engines running long past 200,000 miles. The 1.9-liter TDI is one of the most durable diesel powerplants Volkswagen ever built, but the turbocharger is almost always the first major component to demand attention. Knowing exactly which turbo,

This VW TDI 2.0L Turbocharger Guide covers everything a mechanic or owner-operator needs to diagnose, source, and replace the turbocharger on Volkswagen’s popular 2.0-liter diesel across the Jetta, Golf, Beetle, and Passat platforms. Whether you’re chasing a P0299 underboost code or a screeching bearing, the goal here is simple: get you the right part, the

This BorgWarner Schwitzer Turbocharger Guide exists because decades of mergers, rebrands, and cross-referenced part numbers have left even seasoned mechanics guessing which turbo actually bolts to their engine. Schwitzer and KKK (also written 3K) both live under the BorgWarner umbrella now, and the naming conventions overlap in ways that cause ordering mistakes and downtime. At

This Garrett Turbocharger Complete Guide breaks down every major product family Garrett has built for diesel and performance applications, from the workhorse GT series to the modern G-Series billet wheels, so you can spec the right unit the first time. At PT Turbo, we have been rebuilding and supplying Garrett turbos for more than 45

Welcome to the Holset Turbocharger Complete Model Guide, the reference PT Turbo built from more than 45 years of turning wrenches on diesel turbos. Holset (the turbocharger brand of Cummins, whose turbo business has been called Cummins Turbo Technologies since 2006) has powered everything from light-duty Ram pickups to Class 8 over-the-road trucks and industrial

If you’ve spun a wrench on Japanese and European diesels, you already know the IHI turbocharger by feel. The RHF and RHB series bolt to everything from Subaru boxers to Isuzu 4-cylinder trucks, the VF series runs boost on Subaru WRX and STI platforms, and IHI’s marine turbos push commercial fishing boats and workboats hard

The IHI RHF5 turbocharger is one of the most common units a diesel tech will ever pull off a light commercial rig, and for good reason. It bolts up to millions of Isuzu 4JJ1, 4JH1, and 4HK1 engines, plus a long list of Mazda, Holden, and Subaru applications. If you turn wrenches on Isuzu D-MAX,