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7.3 Powerstroke Parts

Ford’s 7.3L Powerstroke engine delivers a considerable amount of muscle, making it a popular choice among those who need a truck that can get the job done. However, truck owners know that it doesn’t take long before they start feeling like they could make some improvements. Because tweaking and tuning a high-performance engine like these is part of the fun of having it, Powerhouse Diesel offers a wide range of 7.3 Powerstroke parts to help you get the most out of yours. In addition to the widest selection of 7.3 Powerstroke accessories and components, we also provide you with the expertise and experience you need to help you navigate to finding what’s best for your needs. We take pride in offering the highest levels of customer service. You can trust us to lead you in the right direction because we have the passion and know-how to ensure you get the best overall results. Our goal is to provide you with the ultimate experience from start to finish.

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    Eaton Posi Differential 31 Spline 1.32in Axle Shaft Diameter Front 8.8in Rear 8.8in

    Eaton
    $750.99 - $750.99
    $750.99
    $750.99 - $750.99
    $750.99

    The Eaton Posi limited-slip differential is the perfect way to control traction in street rods, light duty pickups and all types of tarmac running ...

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    $750.99 - $750.99
    $750.99
    $750.99 - $750.99
    $750.99
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    Eaton Ford 10.50in Rear Master Install Kit

    Eaton
    $416.79
    $416.79 - $416.79
    $416.79
    $357.99
    $357.99 - $357.99
    $357.99

    Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differ...

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    $416.79
    $416.79 - $416.79
    $416.79
    $357.99
    $357.99 - $357.99
    $357.99
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    Eaton ELocker4 Differential Dana 70 35 Spline 4.56 & Up Ratio

    Eaton
    $1,995.74
    $1,995.74 - $1,995.74
    $1,995.74
    $1,875.99
    $1,875.99 - $1,875.99
    $1,875.99

    The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, driver...

    View full details
    $1,995.74
    $1,995.74 - $1,995.74
    $1,995.74
    $1,875.99
    $1,875.99 - $1,875.99
    $1,875.99
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    Eaton ELocker4 Differential Dana 60 Performance 35 Spline 4.56 & Up Ratio

    Eaton
    $1,584.03
    $1,584.03 - $1,584.03
    $1,584.03
    $1,488.99
    $1,488.99 - $1,488.99
    $1,488.99

    The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, driver...

    View full details
    $1,584.03
    $1,584.03 - $1,584.03
    $1,584.03
    $1,488.99
    $1,488.99 - $1,488.99
    $1,488.99
    Save 6% Save %
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    Eaton ELocker4 Differential Dana 60 Performance 35 Spline 4.10 & Down Ratio

    Eaton
    $1,584.03
    $1,584.03 - $1,584.03
    $1,584.03
    $1,488.99
    $1,488.99 - $1,488.99
    $1,488.99

    The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, driver...

    View full details
    $1,584.03
    $1,584.03 - $1,584.03
    $1,584.03
    $1,488.99
    $1,488.99 - $1,488.99
    $1,488.99
    Save 6% Save %
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    Eaton ELocker4 Differential Dana 70 35 Spline 4.10 & Down Ratio

    Eaton
    $2,081.91
    $2,081.91 - $2,081.91
    $2,081.91
    $1,956.99
    $1,956.99 - $1,956.99
    $1,956.99

    The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, driver...

    View full details
    $2,081.91
    $2,081.91 - $2,081.91
    $2,081.91
    $1,956.99
    $1,956.99 - $1,956.99
    $1,956.99
    Save 6% Save %
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    Eaton ELocker4 Differential Dana 44 Front 30 Spline 3.92 & Up Ratio

    Eaton
    $1,540.42
    $1,540.42 - $1,540.42
    $1,540.42
    $1,447.99
    $1,447.99 - $1,447.99
    $1,447.99

    The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, driver...

    View full details
    $1,540.42
    $1,540.42 - $1,540.42
    $1,540.42
    $1,447.99
    $1,447.99 - $1,447.99
    $1,447.99
    Save 6% Save %
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    Eaton ELocker Service Kit Dana 60 35 Spline

    Eaton
    $312.49
    $312.49 - $312.49
    $312.49
    $299.99
    $299.99 - $299.99
    $299.99

    Eaton Elocker ® Service Kit; Dana 60; 35 Spline; Incl. Side Gear; Pinion Gears; Shims; Pinion Thrust Washers; Pinion Shafts; Shaft Lock Screw;This ...

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    $312.49
    $312.49 - $312.49
    $312.49
    $299.99
    $299.99 - $299.99
    $299.99
    Save 4% Save %
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    Eaton ELocker Differential 31 Spline 1.32in Axle Shaft Diameter

    Eaton
    $1,686.17
    $1,686.17 - $1,686.17
    $1,686.17
    $1,584.99
    $1,584.99 - $1,584.99
    $1,584.99

    The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, driver...

    View full details
    $1,686.17
    $1,686.17 - $1,686.17
    $1,686.17
    $1,584.99
    $1,584.99 - $1,584.99
    $1,584.99
    Save 6% Save %
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    Eaton Detroit Truetrac Differential 37 Spline 1.60in Axle Shaft Diameter 4.10 & Up Ratio

    Eaton
    $1,106.51
    $1,106.51 - $1,106.51
    $1,106.51
    $1,017.99
    $1,017.99 - $1,017.99
    $1,017.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $1,106.51
    $1,106.51 - $1,106.51
    $1,106.51
    $1,017.99
    $1,017.99 - $1,017.99
    $1,017.99
    Save 8% Save %
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    Eaton Detroit Truetrac Differential 35 Spline 1.50in Axle Shaft Diameter 4.56 & Up Ratio Dana 60HD

    Eaton
    $1,372.28
    $1,372.28 - $1,372.28
    $1,372.28
    $1,249.99
    $1,249.99 - $1,249.99
    $1,249.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $1,372.28
    $1,372.28 - $1,372.28
    $1,372.28
    $1,249.99
    $1,249.99 - $1,249.99
    $1,249.99
    Save 9% Save %
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    Eaton Detroit Truetrac Differential 35 Spline 1.50in Axle Shaft Diameter 4.10 & Down Ratio Dana 60HD

    Eaton
    $940.20
    $940.20 - $940.20
    $940.20
    $864.99
    $864.99 - $864.99
    $864.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $940.20
    $940.20 - $940.20
    $940.20
    $864.99
    $864.99 - $864.99
    $864.99
    Save 8% Save %
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    Eaton Detroit Truetrac Differential 35 Spline 1.50in Axle Shaft Dia 4.10 & Up Ratio Rear Dana 80

    Eaton
    $1,135.86
    $1,135.86 - $1,135.86
    $1,135.86
    $1,044.99
    $1,044.99 - $1,044.99
    $1,044.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $1,135.86
    $1,135.86 - $1,135.86
    $1,135.86
    $1,044.99
    $1,044.99 - $1,044.99
    $1,044.99
    Save 8% Save %
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    Eaton Detroit Truetrac Differential 34 Spline 1.37in Axle Shaft Diameter Rear 9.75in

    Eaton
    $902.17
    $902.17 - $902.17
    $902.17
    $829.99
    $829.99 - $829.99
    $829.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $902.17
    $902.17 - $902.17
    $902.17
    $829.99
    $829.99 - $829.99
    $829.99
    Save 8% Save %
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    Eaton Detroit Truetrac Differential 31 Spline 1.32in Axle Shaft Dia Front 8.8in/Reverse Rear 8.8in

    Eaton
    $815.20
    $815.20 - $815.20
    $815.20
    $749.99
    $749.99 - $749.99
    $749.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $815.20
    $815.20 - $815.20
    $815.20
    $749.99
    $749.99 - $749.99
    $749.99
    Save 8% Save %
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    Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Front Dana 44

    Eaton
    $777.25
    $777.25 - $777.25
    $777.25
    $707.99
    $707.99 - $707.99
    $707.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $777.25
    $777.25 - $777.25
    $777.25
    $707.99
    $707.99 - $707.99
    $707.99
    Save 9% Save %
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    Eaton Detroit Truetrac Differential 28 Spline 1.20in Axle Shaft Dia Front 8.8in/Reverse Rear 8.8in

    Eaton
    $931.51
    $931.51 - $931.51
    $931.51
    $856.99
    $856.99 - $856.99
    $856.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $931.51
    $931.51 - $931.51
    $931.51
    $856.99
    $856.99 - $856.99
    $856.99
    Save 8% Save %
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    Eaton Detroit Truetrac Diff 35 Spline 1.50in Axle Shaft Dia Rear 10.25in/10.5in (Full Float Only)

    Eaton
    $951.08
    $951.08 - $951.08
    $951.08
    $874.99
    $874.99 - $874.99
    $874.99

    The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Mainten...

    View full details
    $951.08
    $951.08 - $951.08
    $951.08
    $874.99
    $874.99 - $874.99
    $874.99
    Save 8% Save %
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    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Diameter 4.56 & Up Ratio Rear Dana 70

    Eaton
    $1,265.20
    $1,265.20 - $1,265.20
    $1,265.20
    $1,163.99
    $1,163.99 - $1,163.99
    $1,163.99

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,265.20
    $1,265.20 - $1,265.20
    $1,265.20
    $1,163.99
    $1,163.99 - $1,163.99
    $1,163.99
    Save 8% Save %
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    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Diameter 4.10 & Up Ratio Rear Dana 80

    Eaton
    $1,352.17
    $1,352.17 - $1,352.17
    $1,352.17
    $1,243.99
    $1,243.99 - $1,243.99
    $1,243.99

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,352.17
    $1,352.17 - $1,352.17
    $1,352.17
    $1,243.99
    $1,243.99 - $1,243.99
    $1,243.99
    Save 8% Save %
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    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Diameter 4.56 & Up Ratio Dana 60HD

    Eaton
    $1,079.34
    $1,079.34 - $1,079.34
    $1,079.34
    $992.99
    $992.99 - $992.99
    $992.99

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,079.34
    $1,079.34 - $1,079.34
    $1,079.34
    $992.99
    $992.99 - $992.99
    $992.99
    Save 8% Save %
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    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Diameter 4.10 & Down Ratio Dana 60HD

    Eaton
    $1,079.34
    $1,079.34 - $1,079.34
    $1,079.34
    $992.99
    $992.99 - $992.99
    $992.99

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,079.34
    $1,079.34 - $1,079.34
    $1,079.34
    $992.99
    $992.99 - $992.99
    $992.99
    Save 8% Save %
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    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 70

    Eaton
    $1,382.60
    $1,382.60 - $1,382.60
    $1,382.60
    $1,271.99
    $1,271.99 - $1,271.99
    $1,271.99

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,382.60
    $1,382.60 - $1,382.60
    $1,382.60
    $1,271.99
    $1,271.99 - $1,271.99
    $1,271.99
    Save 8% Save %
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    Eaton Detroit Locker Differential 34 Spline 1.37in Axle Shaft Diameter Rear 9.75in

    Eaton
    $1,370.65
    $1,370.65 - $1,370.65
    $1,370.65
    $1,260.99
    $1,260.99 - $1,260.99
    $1,260.99

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,370.65
    $1,370.65 - $1,370.65
    $1,370.65
    $1,260.99
    $1,260.99 - $1,260.99
    $1,260.99
    Save 8% Save %

Fully Equipped for Your Needs

There’s no better place to turn when you’re looking for the most extensive range of 7.3 Powerstroke performance parts than right here. Powerhouse Diesel is committed to provide our customers with only the best, which is why we stock parts and accessories from the leading names in the business. Here you’ll find 7.3 Powerstroke performance upgrades and more from brands such as Mahle, Full Force, Motorcraft, KC Turbo and others. With such a vast range of options available under one roof, you’re sure to find the answer to your need. 

We’re your comprehensive source for everything related to the performance of your engine, from big to small. Our offerings range from connecting rod sets and fuel injectors all the way down to gaskets and sealants. Some examples of what we carry in our inventory include:

  • Engine components
  • Fluids
  • Fuel system parts
  • Intake and cooling components
  • Suspension and driveline systems
  • Steering parts
  • Transmissions
  • Tuning equipment
  • Turbochargers
  • Exhaust systems
  • And more

Know Before You Shop

Whenever shopping for aftermarket parts and accessories, it’s essential to understand exactly what kind of performance boost you want. There are a lot of options out there when it comes to 7.3 Powerstroke diesel parts, and not all of them provide the same specs. Are you looking to boost your truck’s raw power for towing? Do you want to get better fuel efficiency? Would you like to extend the lifespan of your engine? Or is it simply time for routine maintenance? Whatever reason you have for popping the hood, you want to make sure you get the right parts for the job.

The experts here at Powerhouse Diesel know these engines inside and out, and we’re ready to help you find the components that will unlock your truck’s full potential. We’ll match you to the products that will provide you with exactly what you want. If you want to learn more about what we have in stock, browse through the listings on this page or reach out to speak with one of our representatives.

  • Fuel Injectors

    From stock-replacement injectors to Stage 3 performance sets - Full Force Diesel, Industrial Injection, and Dynomite Diesel injectors for every power level. Includes 160cc,
    180cc, and larger sets for the 7.3L.

    7.3 Powerstroke Fuel Injectors

  • Fuel System

    From stock-replacement fuel filters and O-ring kits to FASS and AirDog lift pumps, HPOP assemblies, fuel tanks, and complete system kits - everything to build a strong foundation for your 7.3L.

    7.3 Powerstroke Fuel System Parts

  • Turbos & Exhaust

    TP38R and S400 turbo upgrades, rebuild kits, upgraded compressor wheels, complete replacement units, up-pipes, and down-pipes for OBS and Super Duty 7.3s - especially effective when paired with a tune.

    7.3 Powerstroke Turbos & Exhaust Systems

  • Tuning

    Custom tunes and programmers unlock substantial power gains on the 7.3L. SCT X4 pre-loaded tune packages, custom tune files, Edge Products, and Bully Dog programmers for daily driving, towing, and performance builds.

    7.3 Powerstroke Tuning

  • Engine Parts

    Head gaskets, oil coolers, connecting rod sets, valve cover gaskets, head studs, glow plugs, IPR valves, and more - everything to keep a 7.3 running strong or rebuild one from the bottom up. From Mahle, Motorcraft, and Victor Reinz.

    7.3 Powerstroke Engine Parts

  • Intake & Cooling

    Cold air intakes, intercooler kits, CCV reroute, coolant upgrades, and degas bottle replacements for the 7.3L Powerstroke. Keeps intake temps down and engine temps in check.

    7.3 Powerstroke Intake & Cooling

  • Suspension & Steering

    Traction bars, leveling kits, control arms, ball joints, steering stabilizers, and wheel bearings for F-250/350 Super Duty. Brands include Kryptonite and more.

    7.3 Powerstroke Suspension & Steering

Most Popular 7.3 Powerstroke Upgrades

New to modifying a 7.3? Here's where most owners start, in order of impact:

  • Performance Tune

    Performance Tune

    The highest return-on-investment upgrade on any stock 7.3. Optimizes fueling, timing, and transmission shift points. Everything else performs better with a tune in place.

  •  Exhaust Upgrade

     Exhaust Upgrade

    A 4-inch or 5-inch downpipe-back exhaust removes restriction, lowers EGTs, and improves turbo spool.

  • Fuel Injector Upgrade

    Fuel Injector Upgrade

    Stage 1 and Stage 2 injectors from Full Force Diesel increase fueling capacity without sacrificing daily driveability.

  • Cold Air Intake

    Cold Air Intake

    Lowers intake temps for denser charge air and more consistent power on every pull.

  • HPOP Upgrade

    HPOP Upgrade

    The high-pressure oil pump drives the 7.3 HEUI injectors. A performance HPOP supports larger injectors and improves fueling at high load.

7.3 Powerstroke FAQs

  • Ford produced the 7.3L Power Stroke in Super Duty F-Series trucks from 1994.5 through 2003. True 1994 model year trucks use the older 7.3L IDI engine, which shares almost no parts with the Power Stroke.

  • The IDI (1983-1994) uses a pre-chamber injection system; the Power Stroke (1994.5-2003) uses Navistar's hydraulically actuated HEUI system. They share almost no injector or fuel system parts - always confirm your engine before ordering.

  • The most common issues are failed injector O-rings, cracked up-pipes, a worn HPOP causing hard starts, a failed ICP sensor, and cracked exhaust manifolds - all well-supported by the aftermarket.

  • A custom performance tune is the single best first upgrade - it improves fueling, timing, and shift points without opening the hood. A 4-inch exhaust is typically the second step.

  • A well-maintained 7.3 routinely reaches 300,000-400,000 miles; trucks with 500,000+ miles are not uncommon. Regular oil changes, fuel filter service, and early attention to up-pipe leaks are the keys to longevity.

  • No. The 7.3 predates EPA DPF and DEF requirements - no filter to regenerate, no fluid to refill, and no emissions-related power restrictions.

Powerhouse Diesel