SKU: TS-0505-3006 | UPC: 9329677010459
Turbosmart WG40 Diaphragm Assembly TS-0505-3006
The Turbosmart WG40 Diaphragm Assembly serves as a direct replacement part for all 40mm Turbosmart external wastegates including Compact, Plumb Back, and standard WG40 models. It restores factory-level boost response and reliability in performance turbo setups across various boosted vehicles. Built to handle high exhaust gas temperatures, this assembly ensures consistent operation and prevents boost instability.
Key Features
- Direct Fit Replacement: Matches OEM specs for all Turbosmart WG40 wastegates, installs without modifications for quick servicing.
- Nomex-Reinforced Diaphragm: High-temperature silicone with Nomex fabric withstands extreme heat and pressure for long-term reliability.
- Includes Spring and Circlip: Complete assembly with pre-matched spring button and retaining clip simplifies rebuilds and maintains stock spring rates.
- Water-Sealable Design: Prevents water ingress during operation or cleaning, protecting internal components from corrosion.
- Australian Manufacturing: Hand-assembled in Sydney with strict quality control and dyno testing for proven performance.
Product Notes
- Inspect wastegate housing for wear before installation to ensure full compatibility.
- Store in a dry environment to preserve diaphragm material integrity.
- Small lightweight part ships in protective packaging to avoid damage.
Installation Notes
- Professional installation recommended.
- Remove old diaphragm by prying out circlip, clean housing, then press in new assembly.
- Compatible with all WG40 mounting hardware and V-band clamps.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | – | Turbosmart WG40 Wastegates | All (Compact, Plumb Back, Standard) |
Why Choose Turbosmart?
- Established since 1997 with products trusted in global performance racing.
- Factory-direct manufacturing ensures consistent quality and reliability.
- Innovative engineering backed by in-house testing beyond industry standards.
Frequently Asked Questions
- Q: Which wastegates is this diaphragm compatible with?
A: Fits all Turbosmart 40mm WG40 external wastegates including Gen V Compact, Plumb Back, and standard housings from 7psi to 26psi spring options. - Q: What materials are used in the diaphragm?
A: High-temp silicone reinforced with Nomex fabric for heat resistance up to 500C and pressure holding capability. - Q: Does Turbosmart offer warranty on this part?
A: Covered under Turbosmart’s standard warranty policy with proof of purchase, contact support for claims.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Compact protective box, 4in x 3in x 2in
- Weight: 0.1 lbs
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