Parts for Detroit Diesel 8V71 Turbo for Australia - Cylinder head Section

Detroit Diesel 8V71 Turbo – Cylinder Head and Related Components Catalog

The Detroit Diesel 8V71 Turbo engine is one of the most iconic V-type two-stroke diesels produced by Detroit Diesel, widely used in marine propulsion, offshore vessels, heavy equipment, and industrial power generation. At the heart of this engine is its cylinder head assembly, which plays a critical role in maintaining compression, housing the valves, supporting the fuel injectors, and managing cooling and airflow.

Below is a complete catalog of cylinder heads and related components for the 8V71 turbocharged configuration, expanded with detailed descriptions to help operators, mechanics, and fleet managers choose the correct parts for their specific application.

Cylinder Heads for Detroit Diesel 8V71 Turbo

Bare Cylinder Head – New

• Description: A brand-new, bare cylinder head engineered specifically for the 8V71 turbocharged engine. Sold without valves, springs, or guides, this option is ideal for operators who prefer to reuse or install custom high-performance valve components.

• Applications: Marine engines where maximum customization is required, fleets with strict maintenance programs, or situations where upgrading to high-performance turbo valves is planned.

• Advantages:

• OEM-grade casting for durability under turbo boost pressure.

• Clean, precision-machined surfaces ensure proper gasket sealing.

• Perfect foundation for a custom or performance-oriented rebuild.

Rebuilt Cylinder Head with Valves & Springs

• Description: Professionally rebuilt head, fitted with new valves and springs, designed for 8V71 turbo operation. Reconditioning includes resurfacing, pressure testing, and valve seat replacement where required.

• Applications: Operators seeking a cost-effective but reliable solution, suitable for both marine propulsion and stationary power.

• Advantages:

• Ready-to-install configuration reduces downtime.

• Meets OEM performance and durability standards.

• Includes U-type valves, compatible with natural and turbocharged versions.

New Cylinder Head with J6 Valves & Springs

• Description: A new cylinder head equipped with J6 turbo valves, designed for high-performance 8V71 turbo engines. These valves provide improved airflow and enhanced durability for engines running at higher loads.

• Applications: Marine vessels requiring sustained horsepower output, industrial engines working under heavy-duty cycles, and operators upgrading from natural aspiration to turbocharged performance.

• Advantages:

• J6 valves resist heat and wear under turbo boost.

• New OEM-quality springs maintain valve timing accuracy.

• Boosts reliability in high-output applications.

Complete Cylinder Head Assembly – New

• Description: Fully assembled, new cylinder head including J6 turbo valves, springs, and all major components. This is the most comprehensive replacement option available.

• Applications: Operators who require minimal downtime and want a drop-in solution. Ideal for shipyards, large fleets, and industrial operators.

• Advantages:

• Zero assembly required—ready for immediate installation.

• Provides maximum assurance of performance and compatibility.

• Includes updated high-performance components optimized for turbo engines.

Cylinder Head Gaskets & Sealing Components

Cylinder Head Gasket Kit

• Description: Designed for the 8V71 turbo engine, each kit provides the correct seals and gaskets required for one cylinder head installation.

• Note: The 8V71 requires two kits per engine; larger engines such as the 16V71 require four.

• Advantages:

• Heat-resistant materials withstand high turbocharged cylinder pressures.

• Maintains a reliable seal between the head and block, preventing coolant or combustion leaks.

Valve Seals

• Description: High-quality valve seals designed for the Series 71 engines, including the turbocharged 8V71.

• Advantages:

• Prevents oil from leaking into the combustion chamber.

• Extends valve and guide service life.

• Each cylinder requires four seals.

Valve Guides

• Description: Precision-engineered guides for the 8V71 turbo cylinder head.

• Advantages:

• Ensures stable valve movement under extreme turbocharged conditions.

• Reduces wear and prevents valve misalignment.

Valve Seats

• Description: Hardened valve seat inserts for the Detroit Diesel 71 series.

• Advantages:

• Designed to handle the higher exhaust gas temperatures generated by turbocharged applications.

• Ensures consistent valve sealing and compression retention.

Valves and Related Components

Exhaust Valves – U Type

• Description: Standard exhaust valve designed for Series 71 engines, compatible with turbocharged versions.

• Advantages:

• Balanced durability and cost-effectiveness.

• Widely used across fleets and marine operators.

Exhaust Valves – J Type (High-Performance Turbo)

• Description: Heavy-duty J-type valve designed for turbocharged 8V71 engines.

• Advantages:

• Withstands higher thermal stress and exhaust backpressure.

• Improves longevity in continuous high-horsepower operation.

Valve Springs

• Description: OEM-style springs that provide the correct tension to keep valves seated properly under turbo boost.

• Advantages:

• Maintains correct timing and prevents valve float.

• Precision-wound for durability under high cycle fatigue.

Fasteners & Hardware

Cylinder Head Bolts

• Description: Heavy-duty bolts designed to secure the cylinder head to the engine block.

• Advantages:

• Manufactured to withstand the clamping forces required in turbocharged applications.

• Precision-threaded for reliable torque application.

Head Plug Kit

• Description: Complete plug kit for the 8V71 cylinder head.

• Advantages:

• Prevents coolant and oil leaks from head passages.

• Includes all necessary plugs for a proper rebuild.

Valve Covers & Related Gaskets

Valve Covers – New Style

• Description: Available with or without oil filler holes, these covers protect the cylinder head assembly while sealing the valvetrain.

• Advantages:

• Inspected, sandblasted, and painted with primer for durability.

• Ensures protection against contaminants and oil leakage.

Rocker Cover Gaskets

• Description: Available in both new-style gray rubber and old-style black rubber, ensuring compatibility with aluminum or stamped rocker covers.

• Advantages:

• Provides a reliable seal against oil leaks.

• Resistant to high heat and vibration.

Injector Tubes & Related Components

• Injector Tubes: Precision-made for proper fuel delivery into each cylinder.

• Flaring Die Tool: Specialized tool to correctly seat and flare injector tubes, preventing fuel leaks.

• Fuel Line Components: Includes short and long fuel jumper lines, seals, connectors, and washers to complete the injection system assembly.

Valve Train Components

• Rocker Arms: Left-hand, right-hand, and injector rocker arms available—critical for accurate valve and injector operation.

• Rocker Arm Shaft: Provides support and alignment for rocker arms in the 8V71 turbo head assembly.

• Push Rods and Springs: Ensures accurate transfer of camshaft motion to the rocker arms.

• Cam Followers: Maintains smooth valve actuation and reduces wear in the valvetrain.

Additional Cylinder Head Related Components

• Water Manifold Gaskets and Plates: Maintain cooling system integrity.

• Valve Caps, Spring Seats, and Washers: Small but vital parts that ensure reliable operation.

• Restriction Fittings & Connectors: Control fuel and oil flow rates, ensuring optimal turbocharged performance.

• Paint – Detroit Green: Final finishing touch for marine and industrial rebuilds, protecting against corrosion.

Why Choose Diesel Pro Power for Detroit Diesel 8V71 Turbo Cylinder Head Parts

Trusted by 40,000+ Customers Worldwide – Diesel Pro Power has built its reputation by serving vessel operators, fleet managers, and industrial users across the globe. With decades of proven experience in marine and heavy-duty diesel support, our reliability is reflected in the loyalty of our customer base. Whether you operate a fishing vessel in Alaska, a tugboat in the Gulf, or an industrial generator in South America, you can depend on us to provide the right 8V71 turbo cylinder head parts when you need them.

Global Shipping to Over 180 Countries – Downtime is costly in both marine and industrial operations, and that’s why we prioritize rapid delivery. We ship daily to customers worldwide, offering fast, trackable service that ensures you receive your parts in days, not weeks. With a logistics network optimized for international distribution, Diesel Pro Power makes it simple to get Detroit Diesel 8V71 turbo components—no matter if you’re docked in a major port or stationed in a remote industrial site.

Complete Catalog in One Place – Instead of wasting time searching multiple vendors, operators turn to Diesel Pro Power because we consolidate everything you need in one trusted source. Our inventory covers the entire range of 8V71 turbo cylinder head components—from brand-new bare heads to fully assembled heads with valves and springs, as well as all related gaskets, bolts, plugs, injector tubes, rocker arms, and seals. Every piece is stocked, cataloged, and ready to ship, allowing you to complete an entire rebuild or routine service without juggling multiple suppliers.

Exclusive Focus on Marine & Industrial Engines – Unlike generic parts suppliers who cater to automotive markets, Diesel Pro Power is dedicated solely to continuous-duty marine and industrial engines. We understand the unique requirements of 8V71 turbo applications, where engines must withstand long hours under load in demanding environments. Our catalog, service model, and technical support are tailored specifically for professionals operating in shipping, offshore, power generation, and heavy equipment.

Expert Technical Support – Selecting the correct cylinder head, gasket kit, valve configuration, or related component for an 8V71 turbo engine can be complex, especially when factoring in variations in performance packages and engine history. That’s why Diesel Pro Power’s team is always available to guide you through the process. From confirming compatibility to recommending upgrade paths such as J6 turbo valves, our specialists help ensure that you order with confidence and receive exactly what your engine requires for peak performance.