Audi 2.7T K04 Turbo Installation Hardware & Gasket Kit
Replacement turbocharger installation hardware, exhaust gaskets, oil line sealing rings, coolant line seals, turbo inlet O-rings and mounting fasteners for compatible Audi 2.7T Biturbo K04 installations.
IMPORTANT FITMENT INFORMATION
Designed for compatible Audi 2.7T Biturbo K04-style turbocharger installations. Verify your vehicle, turbocharger model, oil and coolant line connections, and required mounting hardware before ordering. RS6 hybrid and other aftermarket turbo configurations may require additional or different hardware. This is an installation hardware and gasket kit, not a turbocharger kit.
PRODUCT SPECIFICATIONS
AUDI 2.7T K04 TURBO INSTALLATION KIT OVERVIEW
Replacing or upgrading the twin turbochargers on an Audi 2.7T Biturbo engine involves numerous exhaust, oil, coolant and intake connections. During turbocharger removal, original gaskets, sealing rings, studs and bolts may become worn, compressed, damaged or corroded.
The XS-POWER Audi 2.7T K04 Turbo Installation Hardware Kit brings together the listed replacement gaskets, seals and mounting hardware for compatible Audi B5 S4 and C5 A6 2.7T turbocharger installations. It is especially useful when preparing for a K04 turbo upgrade, Stage 3 conversion, engine-out turbo replacement or related 2.7T engine service.
Instead of relying on previously compressed sealing rings and aging fasteners, this kit provides fresh components for the specified connections. Correct installation, clean sealing surfaces and proper torque procedures remain essential for reliable results.
KEY FEATURES
Includes turbo-to-downpipe gaskets, turbo-to-manifold sealing rings and associated mounting fasteners.
Replacement oil feed sealing rings, an oil feed adapter sealing ring and oil drain gaskets.
Includes coolant feed and return sealing rings for the listed installation applications.
Turbo inlet O-rings and boost reference line sealing rings are included.
Suitable for planning compatible K04, RS4 K04 and selected hybrid twin-turbo installations.
A convenient collection of commonly replaced components for major Audi 2.7T turbocharger service.
COMPLETE PACKAGE CONTENTS
The XS-POWER Audi 2.7T turbo installation kit contains the following components:
| QTY | INCLUDED COMPONENT | APPLICATION |
|---|---|---|
| 2 | Turbo-to-Downpipe Gaskets | Exhaust outlet connections |
| 2 | Turbo-to-Exhaust Manifold Sealing Rings | Turbo mounting interface |
| 2 | Turbo Inlet O-Rings | Turbo intake connections |
| 2 | Oil Drain Gaskets | Oil return connections |
| 8 | Turbo-to-Downpipe Studs | Downpipe mounting |
| 6 | Exhaust Manifold-to-Turbo Bolts | Turbo mounting |
| 4 | Boost Reference Line Sealing Rings | Reference line connections |
| 4 | Oil Feed Line Sealing Rings | Oil supply connections |
| 1 | Oil Feed Adapter Sealing Ring | Oil feed adapter |
| 8 | Coolant Feed & Return Sealing Rings | Turbo coolant connections |
Package quantity: 39 individual components based on the listed contents. Turbochargers, manifolds, downpipes, fluid lines and other parts are not included unless separately shown and specified.
AUDI VEHICLE FITMENT
For compatible K04-style twin-turbo installations. Verify vehicle-market specifications and turbocharger configuration.
For compatible twin-turbo applications using the listed sealing and mounting hardware.
Fitment note: Model-year availability varies by market. Audi RS4 and RS6 references describe turbocharger configurations, not confirmed additional vehicle applications. Other 2.7T models are not automatically covered by this fitment list.
TURBOCHARGER COMPATIBILITY
This hardware kit is intended for compatible installations involving:
- OEM-style BorgWarner K04 turbochargers
- XS-POWER K04 turbochargers
- Audi RS4-style K04 twin-turbo upgrades
- Compatible K04 hybrid turbochargers
- Selected RS6 hybrid turbo configurations
- Compatible Audi 2.7T Stage 3 turbo upgrade systems
WHY REPLACE TURBO INSTALLATION GASKETS & HARDWARE?
The Audi 2.7T twin-turbo system operates in a high-temperature environment. Repeated heating and cooling cycles, exhaust exposure and years of service can affect the condition of fasteners, gaskets and sealing rings.
Replacing worn installation components can help reduce the risk of:
- Exhaust leakage at turbocharger and downpipe connections
- Oil seepage at turbocharger feed and drain connections
- Coolant leakage at turbocharger supply and return fittings
- Intake sealing problems around turbo inlet connections
- Installation delays caused by damaged or corroded hardware
- Repeat disassembly to replace accessible sealing components
Fresh installation hardware is particularly valuable during a major K04 conversion because access to the turbochargers can be labor-intensive once the engine and related components are reassembled.
INSTALLATION & SERVICE NOTES
- Verify the turbocharger model and required hardware before beginning the installation.
- Compare all replacement seals and fasteners with the original components and turbo manufacturer's specifications.
- Clean and inspect mating surfaces, oil connections, coolant fittings and exhaust flanges.
- Install sealing rings and gaskets in their correct locations using the appropriate service procedures.
- Follow vehicle and turbocharger manufacturer torque specifications.
- Prime and prepare the turbocharger oiling system according to the turbo manufacturer's instructions.
- After installation, check oil, coolant, intake and exhaust connections for leaks.
Professional installation recommended. The Audi 2.7T turbocharger installation is a major mechanical service. This hardware kit does not replace factory service instructions or the installation requirements supplied with your turbochargers.
FREQUENTLY ASKED QUESTIONS
Will this kit work with an Audi B5 S4 K04 Stage 3 conversion?
It is intended for compatible Audi B5 S4 2.7T K04-style installations. Confirm that your specific turbochargers use the included gaskets, seals and mounting hardware.
Does this include hardware for both turbochargers?
Yes. The listed quantities are supplied as one installation hardware kit for a compatible twin-turbo setup.
Are turbochargers included?
No. This product is a replacement gasket, sealing ring and installation hardware kit. Turbochargers are sold separately.
Will it fit RS6 hybrid turbochargers?
Some RS6 hybrid installations may use compatible hardware, but fitment depends on the turbocharger design and oil, coolant and exhaust connections. Confirm before ordering.
Can I reuse my old turbocharger gaskets?
Reusing previously compressed or damaged sealing components can increase the risk of leakage. Follow the turbocharger and vehicle manufacturer's replacement recommendations.
Does this kit guarantee a leak-free installation?
No installation hardware kit can guarantee against leaks. Proper fitment, surface condition, assembly procedures and torque are essential.
AUDI 2.7T TURBOCHARGER INSTALLATION PARTS
Looking for an Audi B5 S4 K04 installation kit, Audi 2.7T turbo gasket set, RS4 K04 turbo mounting hardware, 2.7T turbo oil feed seals, turbo coolant sealing rings or Stage 3 twin-turbo installation hardware? This XS-POWER kit combines the specified components for compatible Audi 2.7T Biturbo service and performance turbocharger upgrades.
XS-POWER AUDI 2.7T TURBO HARDWARE
K04 installation gaskets, exhaust mounting hardware, turbo inlet seals, oil line sealing rings and coolant connection seals for compatible Audi 2.7T Biturbo applications.
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