Replacement Gauge for TU-443 100 PSI 3 1/2 Inch - Lang

The Lang 21003 Replacement Gauge is designed to accurately restore pressure measurement capabilities to your Lang TU-443 or 443/100 diagnostic test kit. This professional-grade 3-1/2" 100 PSI gauge provides a precise and cost-effective solution, ensuring your existing diagnostic setup maintains its reliability and extends its operational life.

Key Features

• Direct Fit Compatibility: Engineered specifically as a direct replacement for Lang TU-443 and 443/100 diagnostic test sets, ensuring seamless integration and original equipment functionality.
• 0–100 PSI Dual Scale Measurement: Offers a wide measurement range from 0-100 PSI and 0-7 bar, suitable for common automotive and light truck pressure checks.
• 3-1/2" Easy-Read Dial: Features a large, clear face for enhanced readability in various shop lighting conditions and congested engine compartments, minimizing potential reading errors.
• Consistent, Repeatable Readings: Helps maintain the diagnostic accuracy essential for reliable troubleshooting and verification work in professional settings.
• Professional-Grade Construction: Built to withstand the demands of rigorous daily use in professional repair shops, fleet maintenance facilities, and industrial environments.

Applications

The Lang 21003 replacement gauge is intended for use by professional technicians utilizing Lang TU-443 and 443/100 diagnostic test sets in automotive, light truck, and fleet service environments. Typical applications include specific fuel system tests, low-pressure hydraulic diagnostics, and general engine performance assessments, all requiring accurate pressure readings up to 100 PSI to ensure proper system function.

Specifications

• Manufacturer: Lang
• Model Number: 21003
• Compatible Kit: TU-443 (443/100)
• Pressure Range: 0–100 PSI (0-7 bar)
• Gauge Diameter: 3-1/2"
• Weight: 1 lb
• Dimensions: 6.1" x 4.2" x 1"