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Parts For Detroit Diesel 12V92 Turbo for Australia - Turbo Section

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Parts for Detroit Diesel 12V92 Turbo – Turbocharger & Related Components Catalog

The Detroit Diesel 12V92 turbocharged engine is one of the most iconic high-performance powerplants used across marine, industrial, and heavy-duty applications. Known for its reliability and ability to deliver immense power under demanding conditions, the 12V92 Turbo engine continues to be a preferred choice among operators who demand efficiency, longevity, and strength. This catalog provides a complete breakdown of all major turbocharger components, gaskets, clamps, hoses, and Airsep systems available for this engine, with each part engineered to OEM-level precision and ready for immediate shipment from Diesel Pro Power — the world’s most trusted source for Detroit Diesel replacement parts.

Overview of the Detroit Diesel 12V92 Turbo Engine

The Detroit Diesel 12V92 Turbo engine belongs to the legendary Series 92 family — a two-stroke, V12 configuration designed to meet the needs of marine propulsion systems, generators, and heavy-duty equipment. Featuring a displacement of 12 cylinders in a 92 cubic inch-per-cylinder arrangement, the 12V92 boasts a total displacement of 1,104 cubic inches (approximately 18 liters).

Turbocharging significantly increases the engine’s volumetric efficiency, forcing more air into the combustion chamber, resulting in improved power output, fuel efficiency, and cleaner exhaust emissions. In marine applications, such as large yachts, tugboats, ferries, and offshore service vessels, the 12V92 turbo configuration is often paired with intercoolers to manage the higher temperatures associated with forced induction.

Diesel Pro Power provides complete turbo solutions for the 12V92T and 12V92TA models, including new and rebuilt turbochargers, manifolds, adapters, gaskets, clamps, hoses, and Airsep filtration systems — all tested to ensure performance consistency and fitment accuracy.

Turbochargers for Detroit Diesel 12V92 Turbo Engines

Rebuilt Turbocharger for Aftercooled Engines (Series 71 & 92)

This rebuilt turbocharger is designed for Detroit Diesel 12V92 and other aftercooled engines in the 71 and 92 Series. It features a turbine housing ratio of 1.03 and a compressor housing ratio of 0.75, optimized for balanced boost and exhaust flow. The remanufactured unit undergoes precision machining and component replacement to meet OEM tolerances, providing reliability equivalent to a new turbo at a reduced cost.

Ideal for marine engines operating under continuous-duty conditions, this turbo delivers consistent boost across the RPM range, improving throttle response and reducing fuel consumption.

Each rebuilt unit is fully balanced, pressure-tested, and includes a quality assurance report from Diesel Pro Power’s certified rebuild facility.

New Turbocharger for Marine Aftercooled Engines – Housing Ratio 1.19/0.75

Designed specifically for marine environments, this new turbocharger is engineered for Series 92 aftercooled engines. The turbine housing ratio of 1.19 and compressor housing ratio of 0.75 provide a higher airflow rate, ideal for engines running extended hours under load.

This configuration ensures optimal air compression while maintaining stable exhaust backpressure, preventing excessive heat buildup that could damage cylinder liners or head gaskets. Constructed from high-grade alloys resistant to corrosion and high temperatures, it offers superior durability for saltwater marine environments.

Turbocharger for Marine Aftercooled Engines – Housing Ratio 1.19/0.95

This variant offers a slightly higher compressor ratio (0.95) for operators seeking greater airflow efficiency and top-end power. The increased boost capacity supports applications requiring higher sustained speeds, such as fast commercial vessels or patrol boats.

Precision-balanced components reduce vibration and bearing wear, while corrosion-resistant coatings enhance performance longevity in high-humidity marine conditions.

Every new turbocharger is tested for oil pressure integrity, vane clearance, and flow performance before packaging, ensuring immediate plug-and-play installation.

Exhaust System Components

Detroit Diesel Exhaust Manifold for 6V92 and 12V92 Turbo Engines

The exhaust manifold serves as a critical junction for directing hot exhaust gases from each cylinder bank toward the turbocharger inlet. Diesel Pro Power offers rebuilt, water-cooled manifolds compatible with both 6V92T and 12V92T configurations.

These manifolds are pressure-tested and resurfaced for leak-free operation, featuring water jackets that efficiently dissipate heat during prolonged operation. Using two manifolds per 6V92T engine or four per 12V92T engine, these components help maintain exhaust temperature balance and prevent thermal distortion.

Proper manifold condition directly impacts turbocharger performance — ensuring consistent boost delivery and preventing exhaust leaks that could reduce efficiency or cause backpressure fluctuations.

Turbo Mounting & Sealing Components

Turbo Gaskets & Seals

Diesel Pro Power offers a full selection of gaskets designed to ensure airtight and oil-tight seals throughout the turbo assembly:

Each gasket is constructed from multi-layer steel or composite materials capable of withstanding temperatures exceeding 700°F, providing reliability under the extreme conditions of marine turbo systems.

Turbo Riser Adaptor & Gasket

The Detroit Diesel Turbo Riser Adaptor is engineered for engines using an elevated turbo mount. With an inner diameter of 4” and outer diameter of 6.25”, it ensures proper alignment and exhaust flow routing.

Accompanying this adaptor is the Turbo Riser Gasket, measuring 2” x 3.75”, providing an exact fit for sealing between the adaptor and the turbo base.

Using the correct riser adaptor helps maintain optimal exhaust flow dynamics while preventing unwanted turbulence or pressure loss between the manifold and turbine inlet.

Turbo Clamps, Bolts, Nuts, and Washers

Every turbo installation requires durable, heat-resistant hardware to maintain sealing integrity. Diesel Pro Power provides all necessary clamps, bolts, and fasteners designed for marine-grade durability:

  • Turbo Clamps (4”, 5.25”, 5.75”): Stainless steel V-band clamps that secure the turbo housings and exhaust connections against vibration-induced loosening.

  • Turbo Bolts and Nuts: Precision-threaded to resist stripping or galling even after multiple service cycles.

  • Turbo Washers: Hardened and polished for even pressure distribution across flanges, preventing metal fatigue or warping.

Each set is tested for torque strength and corrosion resistance, ensuring reliability under extended marine service.

Turbo Maintenance Accessories

High-Temperature Jointing Compound (762 Series)

To ensure proper sealing of flanges and housings under extreme heat, Diesel Pro Power supplies 762 Hi-Temperature Jointing Compound, rated for 550°C to 760°C.

This compound prevents leaks at high-stress joints, especially where vibration or thermal expansion occurs. Commonly used on manifold flanges, turbo inlets, and oil feed line connections, it provides a flexible yet durable seal.

A 225-gram tube is sufficient for multiple turbo installations or maintenance intervals, making it an essential item in any mechanic’s service kit.

Air Intake & Filtration Components

Turbo Silencer and Silencer Filter Element

The Detroit Diesel Turbo Silencer minimizes noise generated by the compressor’s air intake while maintaining optimal airflow. Constructed from lightweight, corrosion-resistant materials, the silencer helps reduce acoustic resonance often encountered in dual-turbo marine systems.

The Turbo Silencer Filter Element (8¼” outside diameter) captures debris before it enters the intake tract, safeguarding the turbo impeller blades from damage and ensuring clean air delivery under all conditions.

Walker Engineering Dual Airsep System for 12V92 Twin Turbo Engines

For dual-turbo 12V92 engines, Diesel Pro Power provides the Walker Engineering Airsep System — a high-efficiency air filtration and crankcase ventilation unit.

With 6” flange sizing, this system dramatically improves air intake quality, reduces oil mist contamination, and maintains engine compartment cleanliness. The Airsep’s closed-loop filtration mechanism captures fine particulates and redirects clean air back into the turbo inlet.

Operators benefit from extended turbo lifespan, reduced oil loss, and improved overall performance. The system is designed for twin-turbo configurations commonly found on large yachts, workboats, and passenger vessels.

Hump Hoses & Airsep Filters

Hump hoses are flexible, reinforced silicone connectors that absorb vibration and thermal expansion between turbo components. Available in several diameters:

All hoses are marine-grade, oil-resistant, and capable of withstanding constant high pressure.

Complementing these hoses is the Airsep Tapered Filter (9” x 12”), designed for high airflow and maximum filtration area. Its tapered design minimizes intake restriction while maintaining consistent flow velocity.

Maintenance kits and cleaning solutions are also available to extend filter service life without the need for frequent replacement.

Maintenance & Service Kits

To support long-term operation and reliability, Diesel Pro Power offers service tools and accessories that make turbo maintenance efficient and straightforward:

These components are designed for quick installation and easy upkeep, reducing downtime and maintenance costs for 12V92-powered vessels.

Marine Exhaust & Spacer Gaskets

Marine turbo systems often incorporate flange spacers to align exhaust and riser sections. Diesel Pro Power supplies marine manifold flange spacer gaskets with precision-cut diameters (OD 6.25”, ID 3.50”) to ensure a reliable seal in wet exhaust systems.

These gaskets are essential for water-cooled manifolds found on the 12V92T engines, preventing leaks and maintaining exhaust backpressure stability.

Why Choose Diesel Pro Power for Your Detroit Diesel 12V92 Turbo Parts

Diesel Pro Power is trusted by over 40,000 satisfied customers worldwide and has earned its reputation as the most dependable online source for Detroit Diesel engine parts. Our customers include professional marine engineers, vessel operators, industrial fleet managers, and diesel technicians who rely on consistent quality and fast delivery. When you purchase turbo components for your Detroit Diesel 12V92 engine from Diesel Pro Power, you’re not only getting premium-grade parts — you’re getting confidence, expertise, and a partner committed to the long-term performance of your engine.

Here’s why operators around the world continue to choose Diesel Pro Power for their turbocharger systems and related components:

  • All parts in stock and ready to ship worldwide: Diesel Pro Power maintains one of the largest Detroit Diesel parts inventories in the industry. Whether you need a complete 12V92 turbocharger assembly, clamps, or Airsep filters, your order ships the same day in most cases. No waiting weeks for backorders — your vessel or operation stays on schedule.

  • Real-time order tracking and transparent global logistics: From the moment your order is processed, you can monitor it every step of the way. We provide complete shipment visibility, ensuring peace of mind whether your parts are heading to a U.S. marina, an offshore port, or an industrial facility halfway across the world.

  • Detailed installation diagrams, technical references, and support: Every Detroit Diesel turbo component comes with access to clear, easy-to-follow resources including torque specs, assembly diagrams, and compatibility data. Our goal is to make your rebuild or replacement process efficient and frustration-free.

  • Expert technical assistance from Detroit Diesel specialists: Our customer service team is made up of technicians who specialize exclusively in Detroit Diesel systems. Whether you’re troubleshooting a twin-turbo 12V92 marine setup or selecting the correct gasket for your turbo riser, our experts are ready to assist with practical, experience-based guidance.

  • Comprehensive product warranty and performance assurance: Each turbocharger, manifold, gasket, or accessory undergoes strict quality verification. All new and rebuilt units are fully inspected, balanced, and tested to meet OEM standards. This means that when you install a Diesel Pro Power part, you can expect the same dependability as factory-original equipment.

  • Proven reliability in demanding environments: Diesel Pro Power components are trusted in heavy-duty marine, industrial, and power generation applications worldwide. From ocean-going vessels to backup generator systems, our products deliver consistent performance under high temperatures, continuous operation, and saltwater exposure.

  • Fast, secure, and professional packaging: Every item — from a full turbocharger to a single clamp — is packaged with precision to prevent damage during transport. Heavy-duty protective wrapping and moisture barriers ensure that your order arrives in perfect condition, ready to install.

  • OEM-level compatibility and fit: Diesel Pro Power only sources and builds parts that meet or exceed the dimensional accuracy and materials of Detroit Diesel’s original specifications. This ensures that every turbocharger, gasket, and accessory aligns correctly and performs exactly as intended.

  • Dedicated to reducing downtime: We understand that time is money in marine and industrial operations. That’s why Diesel Pro Power’s combination of in-stock availability, rapid shipping, and technical support helps minimize downtime and get engines back online faster.

  • Customer-first service philosophy: Diesel Pro Power treats every customer as a long-term partner. From initial purchase through post-installation support, our team ensures your satisfaction with prompt communication, technical clarity, and ongoing product reliability.

Every component — from the main turbocharger down to the smallest washer or gasket — is tested, packaged, and shipped with unmatched attention to detail. Diesel Pro Power’s commitment to excellence ensures that your 12V92 turbo system continues to deliver the performance and longevity Detroit Diesel engines are renowned for.

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