Turbosmart TS-0550-3004 Gen V 74 mm Diaphragm Kit for WG38 / WG40 Wastegates

Product Overview

• Replacement diaphragm kit for Turbosmart Gen V 38 mm / 40 mm external wastegates

Features

• High-quality 74 mm diaphragm for Gen V WG38 and WG40 wastegates
• Includes spring seat, retaining clip, and spring washer
• Comes with a 25 mm hex diaphragm tool for easy and precise installation
• Restores or improves wastegate performance for better boost control
• Durable construction for long life under high boost conditions
• OEM-grade replacement part, perfect for maintenance or repair

Specifications

• Part Number: TS-0550-3004
• Compatible Wastegates: Gen V WG38 and WG40 (Standard and HP variants) :contentReference[oaicite:0]{index=0}
• Diaphragm Diameter: 74 mm :contentReference[oaicite:1]{index=1}
• Includes: Diaphragm, spring seat, retaining clip, spring washer, and installation tool :contentReference[oaicite:2]{index=2}

Included Components

• 1 x 74 mm Diaphragm (Gen V)
• 1 x Spring Seat
• 1 x Valve Retaining Clip
• 1 x Spring Washer
• 1 x 25 mm Hex Diaphragm Tool

Product Description

The Turbosmart TS-0550-3004 Diaphragm Replacement Kit is designed for Gen V 38 mm and 40 mm external wastegates, such as the UltraGate38 and CompGate40. This kit is ideal for restoring lost wastegate performance or refreshing your setup during a rebuild.

Featuring a durable 74 mm diaphragm and essential mounting components - including a spring seat and retaining clip - it delivers reliable and smooth operation under boost. The included 25 mm hex tool ensures quick and accurate installation without damaging the diaphragm.

Whether you're tuning for high performance, repairing a worn actuator, or doing routine maintenance on your turbo setup, this kit gives you the parts you need to maintain precise boost control.