Highway and Heavy Parts (HHP) is pleased to announce the addition of a wide range of new products to their existing line of diesel engine components. These new products include an array of cost-saving components for Caterpillar’s 3406E, C11, C15 and C13 engine applications as well as oversize repair options for Cummins Midrange Engines and fuel system parts for Detroit Diesel Series 60 engines. The addition of these new products to HHP’s already extensive catalogue of parts has helped them expand their coverage of diesel engine applications and better serve the needs of the heavy highway industry.
Continue reading Highway & Heavy Parts Adds New Parts To Inventory For Increased CoverageCategory: Caterpillar 3406E Engine Parts: Reliable Solutions for a Diesel Icon
HHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts
Highway and Heavy Parts is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts.
Continue reading HHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of partsHow to Save Up to 64% Off OEM Diesel Engine Parts (And Where Your Money Actually Goes)
OEM diesel engine parts are often treated as the standard.
They come in the original manufacturer’s packaging, follow factory specifications, and move through established dealer networks.
However, when you look at the price, the real question becomes:
👉 What are you actually paying for?
Because in many cases, the cost difference between OEM and high-quality aftermarket parts is not driven by the part itself. Instead, it’s driven by everything around it.
Continue reading How to Save Up to 64% Off OEM Diesel Engine Parts (And Where Your Money Actually Goes)Caterpillar C15 Vibration Damper | Feeling Vibration Or Running Rough? – Call Us At 844.447.1453
Caterpillar C15 Vibration Damper For Sale. Take A Look!
Caterpillar 3406E Bare Crankshaft (6I1453)
CATERPILLAR 3406E CAMSHAFT (1879381)
Is your 3406E losing power? Is it popping or backfiring? Or does it have increased emissions? If so, you may be in need of a camshaft replacement in your Caterpillar 3406E.
Continue reading CATERPILLAR 3406E CAMSHAFT (1879381)Cash For Cores | Caterpillar 3406E, C15 and C15 Acert wanted! | $175 Per Core Return – Call 844.447.1453 For Further Information
We Buy Caterpillar Injector Cores! 3406E, C15, & C15 Acert Injector Cores.
Caterpillar C15 Camshaft | Engine Stalling Or Hearing A Ticking? – We Can Help! 844.447.1453
Why You Should Get Your Next Caterpillar C15 Camshaft From HHP!
CATERPILLAR 3406E TECHNICAL SPECIFICATIONS, SERIAL NUMBERS, & PREFIXES
Are you curious about your Caterpillar 3406E diesel engine? Well, we’re taking you through this engine in detail, so wonder no more! Read on to learn the history of the engine, as well as some common failures you might experience.
Continue reading CATERPILLAR 3406E TECHNICAL SPECIFICATIONS, SERIAL NUMBERS, & PREFIXESCaterpillar C15 Acert, C15 Spacer Plate (6I4421)
Are you in the middle of an engine overhaul? Installing a new cylinder head for your C15? Have you recently blown a head gasket?
Continue reading Caterpillar C15 Acert, C15 Spacer Plate (6I4421)Caterpillar Cylinder Head Stages: Stage 1 vs. Stage 2 vs. Stage 3 vs. Stage 4
Not all Caterpillar cylinder heads are designed for the same workload.
Some are built for long-term durability in heavy-haul applications. Others are designed to support higher airflow demand, elevated boost pressure, and aggressive performance builds.
As horsepower, towing demand, and thermal load increase, the cylinder head becomes increasingly important for maintaining:
- airflow efficiency,
- combustion stability,
- exhaust temperature control,
- and long-term engine reliability.
That is why many Caterpillar performance and severe-duty builds are commonly separated into different “stages” of cylinder heads.
Quick Takeaway:
Different cylinder head stages are designed for different airflow demands, boost levels, thermal loads, and long-term operating conditions.
Different cylinder head stages are designed for different airflow demands, boost levels, thermal loads, and long-term operating conditions.
Continue reading Caterpillar Cylinder Head Stages: Stage 1 vs. Stage 2 vs. Stage 3 vs. Stage 4
Caterpillar C15, C15 Acert, 3406E Stage 2 Cylinder Head | HHP Carries Diesel Engine Parts – Call Us Today at 844.447.1453
HHP Has Diesel Engine Parts Catalogs For Caterpillar, Cummins, Detroit, And Navistar Engines!
Highway 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.
