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

The Lang 21003 Replacement Gauge is engineered to accurately restore the diagnostic capabilities of your Lang TU-443 or 443/100 test kit. This professional-grade 3-1/2" 100 PSI gauge offers a precise and reliable solution to maintain the integrity and extend the operational life of your existing diagnostic setup. It ensures technicians can continue to perform critical pressure measurements with confidence.

Key Features

• Direct Fit Compatibility: Designed as a seamless direct replacement for Lang TU-443 and 443/100 diagnostic test sets, ensuring original equipment functionality and easy integration.
• 0–100 PSI Dual Scale Measurement: Provides a comprehensive measurement range of 0-100 PSI and 0-7 bar, ideal for common automotive and light truck pressure assessments.
• 3-1/2" Easy-Read Dial: Features a large, clear face for enhanced readability in diverse workshop lighting conditions and congested engine compartments, reducing potential reading errors.
• Consistent, Repeatable Readings: Delivers diagnostic accuracy essential for reliable troubleshooting, precise verification work, and consistent performance in professional service environments.
• Professional-Grade Construction: Built for durability and resilience, designed to withstand the rigorous demands of daily use in busy automotive repair shops, fleet maintenance facilities, and industrial settings.

Applications

The Lang 21003 replacement gauge is an essential component for professional technicians utilizing Lang TU-443 and 443/100 diagnostic test sets. It is suited for automotive, light truck, and fleet service environments. Typical applications include performing specific fuel system tests, conducting low-pressure hydraulic diagnostics, and assessing general engine performance, all of which require accurate pressure readings up to 100 PSI for proper system function verification.

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"