Parts for Detroit Diesel 8V71 Non-Turbo – Injector Section

The Detroit Diesel 8V71 Non-Turbo is a legendary two-stroke V8 engine from the Series 71 family, renowned for its rugged reliability in marine vessels, industrial equipment, power generation, and heavy vehicles. At the heart of its performance lies the fuel injection system. Precision-rebuilt injectors, injector tips, plungers, timing tools, and related fuel system hardware ensure that fuel is delivered at the correct pressure and timing for smooth operation, long service life, and consistent horsepower output.

Below is the detailed catalog of injectors and supporting components for the 8V71 Non-Turbo.

Rebuilt Injectors for Detroit Diesel 8V71 Non-Turbo

The Detroit Diesel 8V71 Non-Turbo is a classic two-stroke V8 engine known for its reliability in marine, industrial, and power generation applications. At the heart of its performance is the fuel injection system, which ensures the right amount of fuel is delivered at the right time. Choosing the proper injector not only affects horsepower but also influences fuel efficiency, emissions, and long-term engine durability.

Diesel Pro Power offers a complete selection of rebuilt premium heavy-duty injectors for the 8V71 Non-Turbo, ranging from the lower-flow N55 to the high-capacity N90. Each injector is meticulously rebuilt, recalibrated, and tested to deliver reliable performance that matches the specific needs of your application.

Detroit Diesel Injector N55 – Rebuilt, Premium Heavy Duty

The N55 injector is often chosen for operators who need balanced fuel economy and stable performance. It delivers a lower fuel flow compared to higher-rated injectors, making it well-suited for engines that prioritize efficiency over raw horsepower.

• Ideal for workboats, stationary power units, or industrial equipment where long operating hours demand fuel savings.

• Provides smooth fuel delivery, reducing the risk of over-fueling and carbon buildup.

• Fully rebuilt to precise specifications and tested to ensure reliability.

Detroit Diesel Injector N60 – Rebuilt, Premium Heavy Duty

For operators looking for a slight step up in power without compromising efficiency, the N60 injector offers an excellent middle ground.

• Supplies a bit more fuel flow than the N55, giving the engine extra responsiveness.

• A popular choice for mixed-use vessels and trucks where both fuel efficiency and performance are important.

• Precision-tested to guarantee consistent spray patterns and atomization.

Detroit Diesel Injector N65 – Rebuilt, Premium Heavy Duty

The N65 is one of the most common injectors for the 8V71 Non-Turbo and remains a favorite among marine operators, industrial fleets, and heavy-duty equipment users.

• Delivers a strong balance between fuel economy and horsepower output.

• Suitable for long-haul trucks, construction machinery, and workboats that need consistent performance.

• Because of its popularity, replacement parts and service kits are widely available, ensuring easy maintenance.

Detroit Diesel Injector N70 – Rebuilt, Premium Heavy Duty

When extra horsepower is required, the N70 injector is the logical upgrade. It provides more fuel per cycle than the N65 while maintaining reliable combustion.

• Selected by operators who need greater pulling power or marine propulsion strength.

• Maintains durability under heavy workloads without overstressing the engine.

• Recommended for applications where increased performance is a priority but fuel economy is still a concern.

Detroit Diesel Injector N75 – Rebuilt, Premium Heavy Duty

The N75 injector is designed for engines running in demanding environments, particularly in the marine industry where vessels push engines to their limits.

• Provides higher fuel flow for stronger acceleration and sustained horsepower.

• Often used in tugboats, fishing vessels, and industrial generators that require consistent high-power output.

• Rebuilt and tested to guarantee dependable service life even under continuous load.

Detroit Diesel Injector N80 – Rebuilt, Premium Heavy Duty

For performance-focused operators, the N80 injector represents a serious step up in fuel delivery capacity.

• Offers strong fuel flow for heavy-duty marine propulsion and high-output industrial engines.

• Ideal for operators who need maximum torque and horsepower under constant demand.

• Fully recalibrated to ensure precise atomization, minimizing smoke and improving combustion efficiency despite its higher flow rate.

Detroit Diesel Injector N90 – Rebuilt, Premium Heavy Duty

The N90 is the highest fuel flow injector available for the Detroit Diesel 8V71 Non-Turbo in this catalog.

• Primarily used in specialized applications where maximum horsepower is critical.

• Supports engines operating in high-load, high-demand environments.

• Not typically chosen for everyday use, but rather for setups where maximum fuel delivery and performance outweigh fuel efficiency considerations.

Strict Quality Rebuild Process

All Diesel Pro Power injectors go through a rigorous rebuild and testing process to ensure reliability, consistency, and performance:

1. Disassembly & Cleaning – Each injector is completely disassembled and thoroughly cleaned to remove carbon, varnish, and fuel deposits.

2. Inspection & Replacement – Worn parts such as plungers, tips, springs, and seals are replaced with premium-quality components.

3. Recalibration – Injectors are recalibrated to meet factory flow and pressure standards, ensuring proper fuel delivery.

4. Testing – Each injector undergoes precision testing to verify spray patterns, fuel pressure, and atomization quality.

This process guarantees that every rebuilt injector performs as reliably as a new one—delivering consistent fuel flow, improved combustion, and extended engine life.

Choosing the Right Injector for Your 8V71 Non-Turbo

Selecting the correct injector depends on your engine’s workload, environment, and performance goals:

• For maximum fuel efficiency → N55 or N60.

• For balanced power and economy → N65 (most common choice).

• For added horsepower under load → N70 or N75.

• For performance and heavy marine use → N80.

• For extreme horsepower applications → N90.

Each injector is built for specific operating conditions, so choosing the right one ensures you get the most out of your Detroit Diesel 8V71 without risking premature wear or inefficiency.

Peace of Mind with Diesel Pro Power

Every injector sold by Diesel Pro Power comes with:

• A refundable core deposit – making it simple to exchange your old injector.

• Worldwide shipping with tracking – minimizing downtime no matter where your operation is located.

• Expert support – our team can assist with injector timing, selection, and installation guidance.

When you purchase rebuilt injectors from Diesel Pro Power, you gain not just a replacement part, but a reliable partner in keeping your Detroit Diesel 8V71 Non-Turbo performing at its best.

Injector Timing Tools for Detroit Diesel 8V71

Proper injector timing is critical to the life and efficiency of the 8V71. Diesel Pro Power offers precision timing tools to match injector models:

• Injector Timing Tool (1.484) – For N65, N80, HV6 injectors.

• Injector Timing Tool (1.460) – For N45, N50, N55, N60, N70, N90 injectors.

• Injector Timing Tool (1.508) – Versatile timing calibration tool for various injector setups.

These tools ensure injectors are installed and adjusted for optimal combustion and fuel economy.

Fuel Line Components for Detroit Diesel 8V71 Non-Turbo

The 8V71 requires dependable fuel line connectors and seals to avoid leaks and maintain consistent fuel pressure. Diesel Pro Power stocks both old and new-style connectors and lines:

• Fuel Pipe Connectors – Old-style connectors with matching washers.

• O-Ring Seals for New Style Jumper Lines – Two seals per fuel line for leak-free operation.

• Fuel Jumper Lines – Short & Long (Old and New Styles) – Each 8V71 uses both short and long jumper lines to distribute fuel between injectors.

• Socket Wrench Tool – Designed for installing and removing injector fuel lines on Series 71 engines.

Injector Tips, Plungers & Service Kits

Keeping injectors performing at their best requires periodic replacement of wear components such as tips, plungers, and springs:

• Injector Tips – Available for N55 through N90 injectors, ensuring precise atomization of fuel.

• Injector Plungers – New plungers available for N55, N60, N65, N70, and N90 injectors.

• Injector Service Kits – Complete kits with seals and small components for injector rebuilds.

Injector Hardware & Brackets

Supporting hardware keeps the injectors secure and functioning:

• Injector Brackets – Provides secure mounting for injectors.

• Washer & Bolts – Required for proper sealing and fastening of brackets.

• Control Tube Brackets & Links – For left- and right-hand configurations in V71 engines.

Governor-Related Springs & Components

The governor system regulates fuel delivery and engine speed. Diesel Pro Power stocks:

• Governor Springs – Marine throttle booster, mechanical variable speed, and lever springs.

• Adjustment Bolts & Brackets – For governor booster spring alignment.

• Bearings for Mechanical Governors – Bearings for weights and shafts to ensure smooth operation.

• Nuts & Screws for Governors – Small hardware essential for accurate governor control.

Additional Fuel System Parts for Detroit Diesel 8V71

• Fuel Gauge & Senders – Accurate monitoring of fuel levels with adjustable senders.

• Injector Valve & Springs – Replacement components for Series 71 injectors.

• Injector Spring Seats – Ensures proper valve spring seating.

• Pins & Small Hardware – Precision pins for injector control mechanisms.

• Control Tube Springs – Helps maintain injector timing stability.

Why Buy Detroit Diesel 8V71 Non-Turbo Injectors from Diesel Pro Power

When it comes to maintaining or rebuilding a Detroit Diesel 8V71 Non-Turbo engine, the quality of your injectors can make or break performance. These engines, part of the legendary Series 71 two-stroke family, are still in service worldwide—powering marine vessels, industrial machinery, generators, and heavy-duty trucks. Choosing a trusted source for rebuilt injectors ensures not only smooth fuel delivery but also fewer breakdowns, reduced emissions, and better long-term reliability.

Diesel Pro Power stands apart as the go-to aftermarket supplier for Detroit Diesel parts. Our injectors are rebuilt to strict quality standards, our catalog eliminates confusion, and our global support ensures operators can find what they need quickly. Below are the reasons why thousands of customers choose Diesel Pro Power for their 8V71 Non-Turbo injector needs.

Trusted Worldwide

Diesel Pro Power is trusted by more than 40,000 satisfied customers across 180+ countries. This global reputation is built on decades of supplying reliable Detroit Diesel parts and offering consistent customer support.

• Marine Industry – Shipyards, tugboats, fishing fleets, and cargo vessels depend on us for quick delivery of injectors that keep their Detroit Diesel 8V71 engines running. Downtime at sea is costly, and operators trust our proven track record.

• Industrial Facilities – Factories and plants using Detroit Diesel generators rely on injectors that perform consistently under heavy loads.

• Fleets and Transport – Bus lines, trucking companies, and heavy equipment operators count on us for parts that can withstand continuous operation.

• Power Plants and Remote Operations – Locations that cannot afford equipment failure choose Diesel Pro Power because we ship globally, even to the most remote regions.

By serving such a wide variety of industries, we’ve proven that our injectors and services hold up in virtually every operating environment.

Fast Global Shipping

Every minute of downtime translates into lost revenue, especially for operators running Detroit Diesel 8V71 engines in mission-critical settings. That’s why Diesel Pro Power focuses on fast, reliable worldwide shipping with real-time tracking.

• Minimized Downtime – Orders are processed quickly, and parts are shipped promptly to get engines back online.

• Reliable Tracking – Customers know exactly where their parts are and when they will arrive.

• Global Reach – Whether you’re docked at a major shipyard, stationed at an industrial facility, or operating equipment in a remote location, our logistics network ensures your injectors arrive without unnecessary delays.

This commitment to speed means operators can avoid costly shutdowns and maintain productivity.

Exclusive Engine-Specific Catalogs

One of the biggest challenges operators face is confusion when ordering parts. Many suppliers lump Detroit Diesel parts into generic categories, leaving customers to guess whether an injector will fit their engine. Diesel Pro Power eliminates this problem by offering exclusive engine-specific catalogs.

• Tailored Listings – Every injector, timing tool, fuel line, and component is organized specifically for the Detroit Diesel 8V71 Non-Turbo.

• No Guesswork – Operators don’t waste time cross-referencing or wondering if a part is correct.

• Reduced Errors – By eliminating confusion, customers save both time and money by receiving the right part the first time.

This engine-specific approach makes Diesel Pro Power the smarter choice compared to generic parts suppliers.

Premium Rebuilt Injectors

The heart of our catalog is our rebuilt premium heavy-duty injectors, carefully restored to deliver long-lasting performance. Each injector undergoes a strict multi-step process:

1. Disassembly – Every component is carefully taken apart for inspection.

2. Cleaning – Carbon deposits, fuel varnish, and residue are removed with precision cleaning methods.

3. Replacement of Wear Parts – Injector tips, plungers, springs, and seals are replaced when necessary.

4. Recalibration – Injectors are recalibrated to meet precise fuel flow and pressure requirements for the 8V71 engine.

5. Testing – Each unit is tested for spray pattern accuracy, atomization quality, and flow consistency.

The result is a product that operators can trust for smooth fuel delivery, efficient combustion, and extended service life. Our injectors are sold with a refundable core deposit, making replacement both affordable and environmentally responsible.

Expert Technical Support

A high-quality injector is only as good as its installation and setup. Diesel Pro Power supports customers not just with parts, but also with expert technical guidance from professionals who know Detroit Diesel engines inside and out.

• Injector Timing Assistance – Proper timing is essential for smooth operation, fuel efficiency, and reduced smoke. Our team provides guidance on selecting the correct timing tool and adjusting injectors correctly.

• Installation Tips – From torque specifications to seating practices, we help ensure injectors are installed correctly the first time.

• Troubleshooting – If an engine is running rough, smoking excessively, or losing power, our team can help diagnose whether injectors, fuel lines, or governor adjustments may be the cause.

• Long-Term Maintenance Guidance – We advise operators on how often to service injectors, when to consider replacements, and how to extend injector life with proper fuel filtration and regular engine checks.

This level of support gives customers peace of mind, knowing they are not alone when working on complex Detroit Diesel systems.

The Diesel Pro Power Advantage

When you buy Detroit Diesel 8V71 Non-Turbo injectors from Diesel Pro Power, you are not simply purchasing a part—you’re gaining a partner committed to keeping your engine performing at its peak.

• Proven Quality – Injectors are tested and guaranteed.

• Global Reach – Parts are shipped quickly, anywhere in the world.

• Tailored Catalogs – Every listing is made for Detroit Diesel engines, eliminating confusion.

• Expert Guidance – Support from professionals with decades of Detroit Diesel experience.

• Customer Confidence – More than 40,000 customers worldwide trust us as their preferred supplier.