If you’re shopping to replace your cylinder head, we know it can seem a little daunting.
Continue reading What Does A Cylinder Head Do?Category: Caterpillar 3406E Engine Parts: Reliable Solutions for a Diesel Icon
Cylinder Head For Caterpillar C15, C15 ACERT, & 3406E (20R2645)
Sometimes, you just have to replace your cylinder head. You might be rebuilding your engine, or completing a repair from a blown head gasket or cracks between your exhaust valves.
Continue reading Cylinder Head For Caterpillar C15, C15 ACERT, & 3406E (20R2645)Stage 4 Performance Cylinder Head For Caterpillar C15 (1835296)
When you put in the money and effort to upgrade components on your Caterpillar diesel engine, you want to make sure everything can handle the increased performance.
Continue reading Stage 4 Performance Cylinder Head For Caterpillar C15 (1835296)Programming Fuel Injectors Explained, Caterpillar Fuel Injector Trim Codes, 3406e & C15
Caterpillar Fuel Injector Issues? Learn How to Fix Them
The Beginner’s Guide to Caterpillar Diesel Piston Crown, Caterpillar C15 & 3406E Diesel Engines
Whyt Forged Steel Caterpillar 3406E, C15 Piston Crowns Are The Way To Go!
Why Flow-Matched Fuel Injectors Matter in Diesel Engines (And When They Actually Make a Difference)
When it comes to diesel engine performance, most people focus on major components: turbochargers, pistons, cylinder heads.
But one of the most overlooked factors in engine performance, efficiency, and longevity is fuel injector balance.
Specifically, how closely each injector matches the others in fuel delivery.
That’s where flow-matched fuel injectors come in.
Continue reading Why Flow-Matched Fuel Injectors Matter in Diesel Engines (And When They Actually Make a Difference)Caterpillar 3406E Fuel Injector, Remanufactured (10R8501)
Issues like missing at idle, smelling raw fuel from the stacks, and poor fuel economy are likely due to poor quality fuel injectors. Stop wasting your time and money on set after set, and get your next set of injectors from the certified diesel fuel system specialists!
Continue reading Caterpillar 3406E Fuel Injector, Remanufactured (10R8501)The Flow Matched Caterpillar 3406e Fuel Injector You’ve Been Waiting For!!!
The Flow Matched Caterpillar 3406E Fuel Injector You've Been Waiting For!!!
Continue reading The Flow Matched Caterpillar 3406e Fuel Injector You’ve Been Waiting For!!!
Rocker Lever Issues In Your Overhead Cam Engine
If you have an overhead cam engine—a Detroit Diesel Series 60, a Cummins ISX, a Caterpillar 3406E or C15, for example—you might have some questions about rocker levers.
Continue reading Rocker Lever Issues In Your Overhead Cam EngineUltra Performance Cylinder Heads
At Highway and Heavy Parts, we’re dedicated to bringing you the best information about diesel engine parts around. We want you to feel confident as you shop for parts, grow your business, and successfully identify what you need for the job at hand.
Continue reading Ultra Performance Cylinder HeadsProblems with Caterpillar C15 Oil Pumps
Have you ever thought much about your oil pump?
Continue reading Problems with Caterpillar C15 Oil PumpsCaterpillar 3406E 5Ek Piston Designs
When you’re having a problem with your diesel engine, or you’re wondering which replacement parts are right for your application, we know you’re looking for the best information.
Continue reading Caterpillar 3406E 5Ek Piston DesignsHighway and Heavy Parts offers a complete line of Caterpillar 3406E engine parts, from turbochargers and camshafts to complete engine rebuild kits and fuel injectors. Built for longevity and easy serviceability, the 3406E engine is a favorite among both owner-operators and fleet managers. Our parts are engineered for high performance and maximum uptime in demanding trucking and equipment applications.
The Caterpillar 3406E was produced from the mid-1990s to the early 2000s, featuring a 14.6L displacement and horsepower ranging from 375 to 550 HP. Known for its mechanical simplicity and legendary durability, it powered everything from on-highway trucks to agricultural and construction machinery.
What 3406E Parts Are Available?
Our inventory includes rebuilt cylinder heads, camshafts, valve train components, turbochargers, oil pumps, fuel injectors, cylinder head gaskets, and complete 3406E engine rebuild kits. Aftermarket options are available for budget and performance needs.
Which Trucks and Machines Use the 3406E?
This engine powered Peterbilt, Kenworth, International, and Freightliner trucks, as well as Caterpillar equipment like loaders, scrapers, and generators. It’s widely used in heavy-haul, mining, and long-haul operations.
Why Trust HHP for Your 3406E Build?
- Quality-tested components from reliable brands
- Fast shipping and technical support
- Complete kits built for long-term reliability
Keep your 3406E running strong with parts designed to extend engine life and restore original power.
FAQs for the Caterpillar 3406E
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Is the 3406E engine still supported with new parts?
Yes, many aftermarket suppliers—including HHP—stock new and remanufactured parts for the 3406E, including full engine rebuild kits. -
What makes the 3406E so reliable?
The 3406E is praised for its mechanical fuel system, fewer electronics, and durable internal components, making it a favorite among owner-operators. -
What are common failure points in the 3406E?
Over time, camshafts, turbochargers, and fuel injectors may wear out. Regular oil analysis and preventive maintenance help avoid costly failures. -
What is the horsepower range for the 3406E?
Factory ratings ranged from 375 to 550 HP, but many are tuned beyond that in performance builds. -
Are rebuild kits available for the 3406E?
Yes, HHP offers complete inframe and out-of-frame rebuild kits tailored to your engine’s serial number.
