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When upgrading the Holden Commodore VL RB30ET to a Garrett G-Series G40, G42, or G45, a new oil drain solution is required to suit the larger turbocharger and revised installation layout.
These larger-frame G-Series turbos are commonly used in high-power RB30ET builds, where stable and consistent oil return is essential for long-term reliability.
This Gryphontek turbo oil drain hose kit is designed for Garrett G-Series top-mount applications, featuring a CNC-machined drain flange, a large-diameter high-temperature NBR oil drain hose, mild-steel fittings, a 1 mm non-asbestos gasket, and high-tensile hardware.
It provides a clean, gravity-fed oil return path suitable for RB30ET top-mount G40 / G42 / G45 builds.
‣ Application: Holden Commodore VL RB30ET turbo engine
‣ Turbo Compatibility: Garrett G-Series G40 / G42 / G45
‣ Mounting Type: Top-mount turbo setups
‣ Drain Design: Designed to support reliable oil return on large-frame turbo systems
‣ Hose Construction: Large-diameter high-temperature NBR oil drain hose
‣ Flange Material: 6061-T6 CNC-machined aluminum Garrett G-Series drain flange
‣ Fittings: Mild-steel oil drain fittings for secure sealing
‣ Gasket: Interface N-8092 1 mm non-asbestos gasket
‣ Hardware: Stainless hose clamps + class 8.8 high-tensile bolts
‣ Reliability Benefit: Helps maintain consistent oil drainage under sustained boost and load
‣ Custom Length Option: Hose length can be customized to suit different top-mount layouts
Large-frame Garrett G-Series turbo upgrades require a properly designed oil drain system to maintain consistent lubrication and turbo reliability.
This Gryphontek kit provides the correct flange, hose size, and sealing components needed for RB30ET top-mount G40, G42, and G45 applications.
⚙️ Upgrade your RB30ET with a turbo oil drain system engineered specifically for Garrett G-Series top-mount setups.
Proudly exported to 75+ countries. All orders are dispatched via DHL Express, FedEx, or EMS from our Taiwan hub.
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Limited Lifetime Warranty: Covers manufacturing defects. (Excludes racing misuse).