Description
Oil and antifreeze mixing? Excessive engine smoke? If so, your Caterpillar 3406E, 3406B, 3406C may have a worn down or damaged engine block. As your 3406E, 3406B, 3406C’s engine block wears, it can cause all sorts of engine issues and damage if not replaced. Fortunately for you, HHP has you covered! Replace your failing or damaged engine block with a New Cylinder Block 8N9267 from Highway and Heavy Parts.
Don’t risk the health of your 3406E, 3406B, 3406C; buy high-quality aftermarket 8N9267 Cylinder Block from America’s trusted diesel engine parts supplier. At Highway and Heavy Parts, you’ll get a Cylinder Block manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your Caterpillar 3406E, 3406B, 3406C. Each part is crafted with hard-wearing strength and durability to ensure your 8N9267 Cylinder Block can withstand the rigors of the road.
Guaranteed for fit and function, HHP parts have the right combination of quality and price with total support from our on-staff ASE-certified technicians. With specialized knowledge, quality products, fast shipping, and unbeatable customer service, HHP has you covered. Order your New Cylinder Block 8N9267 today!
From diagnosis through delivery, we’re Highway & Heavy Parts!
Contents: Caterpillar 3406E, 3406B, 3406C Cylinder Block – (8N9267)
Frequently Asked Questions
What are the signs that my Caterpillar 3406B cylinder block needs replacement?
Several warning signs indicate your Caterpillar 3406B, 3406C, or 3406E cylinder block may be failing and needs replacement. The most common symptom is oil and antifreeze mixing, which occurs when the cylinder block develops cracks or erosion that allows coolant passages to communicate with oil passages. You may notice a milky appearance in your oil or a drop in coolant levels without visible external leaks. Excessive engine smoke, particularly white or blue smoke, is another critical indicator of cylinder block problems. White smoke often signals coolant burning in the combustion chamber due to block cracks, while blue smoke can indicate oil consumption issues related to worn cylinder walls. Additional symptoms include persistent overheating, loss of engine power, rough idling, and visible coolant leaks from the block itself. If you experience any combination of these issues, it’s essential to have your engine inspected promptly, as continuing to operate with a damaged cylinder block can lead to catastrophic engine failure and significantly more expensive repairs.
Is the 8N9267 cylinder block remanufactured or new, and what’s the difference?
The 8N9267 cylinder block available from Highway and Heavy Parts is a remanufactured component, which offers excellent value and reliability for your Caterpillar 3406 engine. Remanufactured cylinder blocks undergo a comprehensive restoration process that includes thorough cleaning, inspection, machining of all critical surfaces, and replacement of any worn components. This process is performed in an ISO 9001:2015 certified facility, ensuring consistent quality standards and precision manufacturing. The remanufacturing process often includes sleeving cylinders back to OEM specifications, decking the block surface, and pressure testing to ensure there are no cracks or porosity issues. While a brand new OEM cylinder block from Caterpillar would cost significantly more, a remanufactured block provides comparable performance and durability at a fraction of the price. The key advantage is that remanufactured parts are environmentally sustainable and meet strict quality control standards. Highway and Heavy Parts guarantees their remanufactured 8N9267 cylinder block for fit and function, giving you confidence in your purchase.
Will the 8N9267 cylinder block fit my Caterpillar 3406 engine?The 8N9267 cylinder block is designed to fit multiple Caterpillar 3406 engine variations, specifically the 3406B, 3406C, and 3406E models. This cross-compatibility makes it a versatile replacement option for various applications including over-the-road trucks, heavy equipment, marine vessels, and stationary power generation units. However, it’s important to verify your specific engine serial number and configuration before ordering. The 3406 series engines were produced over several decades with various specifications, and while the basic block design remained consistent, there may be minor variations in certain applications. Highway and Heavy Parts employs ASE-certified technicians who can assist you in confirming fitment for your particular engine. When ordering, have your engine serial number, application type, and any existing part numbers ready. The cylinder block should match your engine’s cylinder count, bore size, and mounting configuration. If you’re performing a complete engine rebuild, ensure that all companion parts like cylinder heads, pistons, and crankshaft are compatible with the 8N9267 block specifications.
What causes Caterpillar 3406B cylinder block damage and how can I prevent it?
Cylinder block damage in Caterpillar 3406B, 3406C, and 3406E engines typically results from several common causes that can be prevented with proper maintenance. Overheating is the primary culprit, causing thermal stress that leads to cracks, particularly around coolant passages and between cylinders. This occurs when cooling systems aren’t properly maintained, thermostats fail, water pumps malfunction, or coolant isn’t changed regularly. Cavitation erosion is another major issue where coolant forms vapor bubbles against the cylinder walls, eventually eroding the metal surface. This is exacerbated by improper coolant mixture, lack of supplemental coolant additives (SCA), or running straight water instead of proper antifreeze. Corrosion from contaminated coolant, electrolysis, or acidic conditions can also weaken the block structure over time. To prevent cylinder block damage, maintain proper coolant mixture ratios (typically 50/50 antifreeze to water), use quality diesel engine coolant with appropriate SCA levels, change coolant according to manufacturer specifications, address overheating issues immediately, ensure proper engine break-in procedures after rebuilds, and avoid cold starts under heavy load. Regular cooling system pressure tests and oil analysis can detect problems early before catastrophic block failure occurs.
What warranty and support comes with the remanufactured 8N9267 cylinder block?
Highway and Heavy Parts stands behind their remanufactured 8N9267 Caterpillar cylinder block with a comprehensive guarantee for fit and function, ensuring the part meets OEM specifications and will perform as intended in your 3406B, 3406C, or 3406E engine. While specific warranty terms should be confirmed at the time of purchase, HHP’s commitment to quality is backed by their ISO 9001:2015 certified manufacturing process and rigorous quality control standards. Beyond the warranty, customers receive valuable technical support from Highway and Heavy Parts’ team of ASE-certified technicians who possess specialized knowledge of Caterpillar engines and can provide guidance on installation, troubleshooting, and compatibility questions. This expert support is invaluable during engine rebuilds, helping ensure proper installation and optimal performance. The company also offers fast shipping to minimize your downtime, which is critical for commercial operations. When purchasing from HHP, you’re not just buying a part—you’re gaining access to a full-service diesel engine parts supplier with the expertise to support your repair from diagnosis through delivery. Their customer service team is available to address any concerns or questions throughout the life of your engine, making them a trusted partner for fleet operators, owner-operators, and heavy equipment repair facilities across America.
