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  3. MAXPEEDINGRODS H5L78S

MAXPEEDINGRODS H5L78S Biller Wheel Turbocharger Vw K04 1.8T

fits model: A4, A6, Turbo, Quattro, Passat. make: Audi.

H5l78s Maxpeedingrods Biller Wheel K04 Turbo Turbocharger For Audi A4 Quattro A6 Vw Passat 1.8t

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: H5L78S ), ( Application 1: For Audi A4 1.8t Aeb/anb/apu/awt20v/avj ), ( Application 2: For Audi A4 Quattro 1.8t Aeb/anb/apu/awt/avj ), ( Application 3: For Audi A4 Upgrade 1.8t ), ( Application 4: For Audi A6 1.8t Aeb/anb/apu/awt ), ( Application 5: For Audi A6 Quattro 1.8t Aeb/anb/apu/awt ), ( Application 6: For Vw Passat 1.8t Aeb/anb/apu/awt ), ( Application 7: For Vw Passat 1.8t Upgrade ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Silver ), ( Compressor Housing: Aluminum Alloy ), ( Features: Individual ), ( Finish: Matte ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 2 Year ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: 53039880005, 53039700005, 53039880013, 53039700013, 53039880029, 53039700029, 53039880025, 53039700025, 53039880073, 53039700073, 058145703l, 058145703lx, 058145703lv, , 058145703k, 058145703kx, 058145703kv, Street Turbine, Turbocharger K03 Upgraded, K04 Turbo, 058145703q, 058145703qx, 058145703qv, 058145703b, 058145703c, 058145703d, 058145703e, 058145703h, Billet Compressor Wheel, Steel Turbine Wheel, 53049880015, 5304-988-0015, 5304 988 0015, 53049700015, 5304-970-0015, 5304 970 0015 ), ( Performance Part: Yes ), ( Turbine Housing: Cast Iron ), ( Type: Turbocharger ), ( Universal Fitment: No )

Review MAXPEEDINGRODS Biller Wheel K04 Turbocharger For Audi Vw 1.8t fits QUATTRO PASSAT A4 A6 TURBO

Introducing the Maxpeedingrods H5L78S Biller Wheel K04 Turbocharger, an exceptional upgrade for your Audi A4 Quattro, A6, VW Passat 1.8T engine. This turbocharger is meticulously designed to deliver impressive power gains, enhanced drivability, and increased torque for a more exhilarating driving experience.

The heart of this turbocharger is the K04 compressor wheel, renowned for its efficiency and durability. The Biller wheel design ensures smoother airflow, reducing turbulence and pressure loss, which translates to better throttle response and increased power output. With larger compressor impeller and turbine wheels, this turbocharger is capable of supporting up to 23 psi of boost pressure, unlocking hidden horsepower and torque in your engine.

The H5L78S turbocharger is engineered with precision and care, featuring a high-quality, forged stainless steel turbine housing and a billet aluminum compressor housing. This robust construction ensures reliable performance and longevity, even under the most demanding driving conditions.

Maxpeedingrods pays close attention to detail, meticulously balancing and aligning all components to ensure optimal performance and a seamless fitment. The turbocharger is also equipped with an upgraded, high-performance wastegate and a reinforced, TIG-welded exhaust manifold, further enhancing its power output and durability.

This turbocharger is also designed to integrate seamlessly with your vehicle's factory components, requiring no modifications to the engine bay. A complete installation kit is included, featuring all necessary gaskets, seals, and hardware, ensuring a hassle-free installation process for you or your preferred mechanic.

Upgrading to the Maxpeedingrods H5L78S Biller Wheel K04 Turbocharger is an investment in both power and performance for your Audi A4 Quattro, A6, or VW Passat 1.8T engine. Experience the difference in acceleration, torque, and overall driving excitement that this exceptional turbocharger delivers.

The Maxpeedingrods H5L78S Biller Wheel K04 turbocharger is a popular aftermarket upgrade for various Volkswagen Group vehicles, including the Audi A4 Quattro, A6, and VW Passat 1.8T. This turbocharger offers several potential benefits, but it also comes with some drawbacks that are essential to consider before making a purchase.

Pros:

1. Increased power: The Maxpeedingrods H5L78S Biller Wheel K04 turbocharger is known to provide significant power gains for compatible vehicles. This can result in improved acceleration, better overall driving performance, and increased satisfaction for enthusiasts.

2. Customizability: This turbocharger comes with a variety of options and configurations, allowing buyers to tailor their upgrade to their specific needs and preferences. For example, buyers can choose between different compressor wheels, exhaust housings, and wastegates.

3. Better spool-up: Compared to the stock turbocharger, the Maxpeedingrods H5L78S Biller Wheel K04 turbocharger offers faster spool-up times. This means that the engine responds more quickly to acceleration inputs, resulting in a more responsive and engaged driving experience.

4. Enhanced durability: The Maxpeedingrods H5L78S Biller Wheel K04 turbocharger is designed with high-quality materials and construction methods, making it more robust and durable than the stock turbocharger. This can help reduce the likelihood of mechanical failures and extend the life of the engine.

Cons:

1. Cost: The Maxpeedingrods H5L78S Biller Wheel K04 turbocharger is a relatively expensive upgrade, especially when compared to the stock turbocharger. This can be a significant barrier to entry for some buyers, particularly those on a tight budget.

2. Complexity: Installing the Maxpeedingrods H5L78S Biller Wheel K04 turbocharger requires a certain level of technical expertise and experience. This is because the installation process involves modifying various engine components and calibrating the vehicle's engine management system.

3. Potential for check engine lights: Installing a high-performance turbocharger like the Maxpeedingrods H5L78S Biller Wheel K04 can potentially trigger check engine lights, especially if the vehicle's engine management system is not properly calibrated. This can require additional time, effort, and expense to diagnose and resolve.

Conclusion:

The Maxpeedingrods H5L78S Biller Wheel K04 turbocharger offers several potential benefits for enthusiasts looking to enhance the performance of their Audi A4 Quattro, A6, or VW Passat 1.8T. These benefits include increased power, customizability, faster spool-up times, and enhanced durability. However, the turbocharger also comes with some drawbacks, such as cost, complexity, and potential check engine lights. Ultimately, whether or not the Maxpeedingrods H5L78S Biller Wheel K04 turbocharger is the right choice for a particular buyer depends on their individual needs, preferences, and budget.

Recommendation:

If you are an enthusiast looking to significantly improve the performance of your Audi A4 Quattro, A6, or VW Passat 1.8T and have the necessary technical expertise and budget, the Maxpeedingrods H5L78S Biller Wheel K04 turbocharger can be an excellent investment. However, if you are on a tight budget or lack the necessary technical expertise, it may be worth considering alternative performance upgrades or waiting until you have more experience and resources before pursuing this upgrade. Additionally, it is essential to ensure that the installation is performed by a qualified professional to minimize the risk of any potential issues.

Details:

For Audi A6 Quattro 1.8T AEB/ANB/APU/AWT 1999. Oil Seal: High-speed steel oil seal ring - Abrasion and heat resistant, protects bearings, prevents leakage smoking. Notice: Please double-check the OE number before purchase to ensure fitment.

Turbine Wheel: K419 alloy - High temperature resistance, efficiently converts engine exhaust gasses into kinetic energy, resists thermal breakdown for smooth reliable operation. Specification: Compressor: Wheel Diameter: 50/37.5mm, Trim: 56, Inlet: 44.5 Outlet: 50 Blades: 4 x blades type, Turbine 46/42 83.7, 12 blades, Inlet Flange: 3 Bolt Flange, Outlet Flange. Billet Compressor Wheel: Forged billet aluminum CNC machined compressor wheel - High efficiency, fast response, lower fuel consumption, smooth operation

Quick, Simple. Fast Shipping.guaranteed Fitment. Always the correct part.

Turbine housing: Silicon-Molybdenum alloy steel - High temperature resistance, highly stable and ductile, corrosion crack resistant, increases durability reliability.

specifications turbiparts:

  • for models: A4, A6, Turbo, Quattro, Passat
  • for makes: Audi
  • brand: Maxpeedingrods
  • mpn: H5l78s
  • application 1: For Audi A4 1.8t Aeb/anb/apu/awt20v/avj
  • application 2: For Audi A4 Quattro 1.8t Aeb/anb/apu/awt/avj
  • application 3: For Audi A4 Upgrade 1.8t
  • application 4: For Audi A6 1.8t Aeb/anb/apu/awt
  • application 5: For Audi A6 Quattro 1.8t Aeb/anb/apu/awt
  • application 6: For Vw Passat 1.8t Aeb/anb/apu/awt
  • application 7: For Vw Passat 1.8t Upgrade
  • california prop 65 warning: California Prop 65 Warning
  • color: Silver
  • compressor housing: Aluminum Alloy
  • features: Individual
  • finish: Matte
  • fitment type: Direct Replacement
  • manufacturer warranty: 2 Year
  • notice: This Is Aftermarket Replcement Part
  • oe/oem part number: 53039880005, 53039700005, 53039880013, 53039700013, 53039880029, 53039700029, 53039880025, 53039700025, 53039880073, 53039700073, 058145703l, 058145703lx, 058145703lv, , 058145703k, 058145703kx, 058145703kv, Street Turbine, Turbocharger K03 Upgraded, K04 Turbo, 058145703q, 058145703qx, 058145703qv, 058145703b, 058145703c, 058145703d, 058145703e, 058145703h, Billet Compressor Wheel, Steel Turbine Wheel, 53049880015, 5304-988-0015, 5304 988 0015, 53049700015, 5304-970-0015, 5304 970 0015
  • performance part: Yes
  • turbine housing: Cast Iron
  • type: Turbocharger
  • universal fitment: No

general turbiparts:

  • condition: New
  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts

shipping turbiparts:

  • cost: $0.00
  • service: UPS Ground
  • class: Standard
  • transit: 3-6 Days
  • type: Fixed
  • carrier: UPS

offer turbiparts:

  • sold: 0
  • quantity: 4
  • started: March 29, 2026
  • availability: In Stock
  • options: Ship-to-home
  • best offers: True

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  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

seller turbiparts:

  • rating: 99.4%
  • city: Dayton, New Jersey
  • # reviews: 31204

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for models: a4, a6, turbo, quattro, passat, for makes: audi, application 1: for audi a4 1.8t aeb/anb/apu/awt20v/avj, application 2: for audi a4 quattro 1.8t aeb/anb/apu/awt/avj, application 3: for audi a4 upgrade 1.8t, application 4: for audi a6 1.8t aeb/anb/apu/awt, application 5: for audi a6 quattro 1.8t aeb/anb/apu/awt, application 6: for vw passat 1.8t aeb/anb/apu/awt, application 7: for vw passat 1.8t upgrade, california prop 65 warning: california prop 65 warning, compressor housing: aluminum alloy, features: individual, finish: matte, fitment type: direct replacement, manufacturer warranty: 2 year, notice: this is aftermarket replcement part, oe/oem part number: 53039880005, 53039700005, 53039880013, 53039700013, 53039880029, 53039700029, 53039880025, 53039700025, 53039880073, 53039700073, 058145703l, 058145703lx, 058145703lv, , 058145703k, 058145703kx, 058145703kv, street turbine, turbocharger k03 upgraded, k04 turbo, 058145703q, 058145703qx, 058145703qv, 058145703b, 058145703c, 058145703d, 058145703e, 058145703h, billet compressor wheel, steel turbine wheel, 53049880015, 5304-988-0015, 5304 988 0015, 53049700015, 5304-970-0015, 5304 970 0015, performance part: yes, turbine housing: cast iron, type: turbocharger, universal fitment: no,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > turbos parts, color: silver, sku: 13354786194697751,

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