AutoMeter Thermocouple Compress Fitting

1/4in Compression to 1/8in NPTF Male with Weld Boss

Part #: 5254

Overview

The AutoMeter Thermocouple Compress Fitting is a precision-engineered component designed for accurate and reliable thermocouple installations in performance and racing applications. Crafted from high-quality high carbon steel, this fitting ensures durability and long-lasting performance under demanding conditions. Whether you're tuning your vehicle, monitoring exhaust gases, or conducting engine diagnostics, this fitting provides a secure and leak-free connection.

Ideal for automotive enthusiasts, professional tuners, and race teams, this fitting simplifies the process of integrating thermocouples into your exhaust or other high-temperature systems. Its robust construction and precise threading help maintain consistent readings, supporting optimal engine tuning and performance analysis.

Key Features

AutoMeter's Thermocouple Compress Fitting offers several technical advantages that make it a valuable addition to your automotive toolkit:

• High Carbon Steel Construction: Manufactured from high carbon steel, this fitting provides exceptional strength and resistance to wear and corrosion, ensuring reliable performance over time.
• Compression to NPTF Connection: Converts a 1/4-inch thermocouple compression fitting to a 1/8-inch NPTF male thread, facilitating versatile installation options in various high-temperature environments.
• Weld Boss Integration: Features a welded-in 1/8-inch NPT female threaded bung, allowing for secure attachment directly to exhaust pipes, manifolds, or other components requiring thermocouple sensors.
• Leak-Free Seal: The compression fitting design ensures a tight, leak-proof connection, critical for accurate temperature readings and system integrity.
• Ease of Installation: Designed for straightforward welding and fitting, reducing installation time and ensuring a professional, secure connection.
• Temperature Compatibility: Suitable for high-temperature applications, including exhaust systems, engine bays, and other environments where precise temperature monitoring is essential.
• Versatile Use: Compatible with various thermocouple types and suitable for custom automotive, racing, or industrial projects requiring reliable temperature sensing solutions.

Construction & Design

This thermocouple fitting is meticulously crafted from high carbon steel, a material chosen for its excellent strength, heat resistance, and corrosion resistance. The compression fitting end is designed to securely hold thermocouples with a 1/4-inch diameter, providing a stable and reliable connection. The welded-in NPTF female bung is precision-machined to ensure proper threading and fitment, allowing for seamless integration into exhaust pipes, manifolds, or other components requiring temperature monitoring.

The combination of compression and weld-in features offers flexibility and durability, making this fitting suitable for both temporary testing and permanent installations. Its robust construction ensures it can withstand the harsh conditions of high-performance engines and racing environments, maintaining integrity even under extreme heat and vibration.

Performance & Application

Designed to support accurate temperature measurement, this fitting helps you monitor critical engine parameters, optimize tuning, and prevent overheating issues. Its high-quality materials and precise manufacturing contribute to consistent readings, enabling better engine management and performance tuning. Whether used in street cars, race vehicles, or industrial machinery, this fitting provides a dependable connection for thermocouples in demanding conditions.

Installation & Fitment

Installing this thermocouple fitting involves welding the provided weld boss into your exhaust or other high-temperature component, followed by attaching the thermocouple via the compression fitting. The process is straightforward for experienced fabricators and mechanics, with no complex modifications required. Once welded in place, the compression fitting ensures a secure, leak-proof connection for your thermocouple sensor. No additional sealing or adapters are necessary, making it a reliable and efficient solution for temperature monitoring.

• Weld the 1/8-inch NPT female bung into your exhaust or component.
• Insert the thermocouple into the compression fitting.
• Secure the fitting onto the welded bung, ensuring a tight seal.

What's Included

• AutoMeter Thermocouple Compression Fitting (5254)
• Weld-in 1/8-inch NPT female threaded bung
• Installation instructions

Ideal For

• High-performance automotive applications
• Engine tuning and diagnostics
• Race cars and motorsport vehicles
• Industrial temperature monitoring
• Custom fabrication projects requiring durable thermocouple fittings

Emissions Note

This product is intended for off-road or racing use only and may not be legal for use on public roads in certain jurisdictions. Please check local regulations before installation.