ST43412
Vacuum Gauge
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$63.95 $83.14

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The ST43412 Vacuum Gauge, manufactured by Cummins, is a specialized tool designed for use in commercial truck operations. Cummins, a well-established name in the automotive industry, is known for its high-quality components and innovative solutions. This Cummins part is significant in the context of commercial truck operations as it provides valuable insights into the engine’s performance and efficiency.

Basic Concepts of Vacuum Gauges

A vacuum gauge is an instrument used to measure the difference in pressure between a sealed system and the atmospheric pressure. It operates by detecting the pressure differential and converting it into a readable format, typically in inches of mercury (inHg) or kilopascals (kPa). Vacuum gauges are commonly used in automotive systems to assess the efficiency of the engine’s intake system, including the manifold and associated components 1.

Functionality of the ST43412 Vacuum Gauge

The ST43412 Vacuum Gauge functions by connecting to the engine’s intake manifold. It measures the vacuum level, which is an indicator of how effectively the engine is drawing air into the cylinders. This measurement helps in assessing the overall health and efficiency of the engine. The gauge provides real-time data that can be used to diagnose potential issues within the engine system 2.

Purpose of the ST43412 Vacuum Gauge

The primary purpose of the ST43412 Vacuum Gauge in truck operations is to aid in diagnosing engine performance and efficiency. By monitoring the manifold vacuum, technicians can identify issues such as leaks, blockages, or inefficiencies in the engine’s air intake system. This diagnostic capability allows for timely maintenance and repairs, helping to maintain optimal engine performance 3.

Key Features

The ST43412 Vacuum Gauge boasts several key features that enhance its performance and usability. Its robust design ensures durability in the demanding environment of commercial truck operations. The gauge is constructed with high-quality materials to provide accurate and reliable readings. Additionally, it features an easy-to-read display and a secure mounting system, making it convenient for technicians to use during diagnostics.

Benefits of Using the ST43412 Vacuum Gauge

Using the ST43412 Vacuum Gauge offers several advantages. It improves engine diagnostics by providing precise vacuum readings, which can help identify and address issues before they lead to more significant problems. Enhanced maintenance routines result from the gauge’s ability to provide real-time data, allowing for more informed decision-making. Additionally, the gauge can contribute to potential cost savings by enabling early detection of engine issues, thereby reducing the likelihood of costly repairs down the line.

Installation and Usage

Proper installation and usage of the ST43412 Vacuum Gauge are vital for accurate readings and effective diagnostics. The gauge should be securely connected to the engine’s intake manifold. It is important to follow the manufacturer’s guidelines for installation to ensure that the gauge is properly integrated into the engine system. Regular calibration checks and maintenance of the gauge will help maintain its accuracy and reliability.

Troubleshooting and Maintenance

Common issues with the ST43412 Vacuum Gauge may include inaccurate readings or physical damage to the gauge. Troubleshooting steps involve checking the connections to the intake manifold, ensuring the gauge is properly calibrated, and inspecting for any signs of damage. Regular maintenance, such as cleaning the gauge and verifying its calibration, will help ensure its longevity and accurate performance.

Cummins: A Brief Overview

Cummins is a renowned manufacturer with a rich history in the automotive industry. The company is known for its commitment to producing high-quality components and its reputation for innovation and reliability. Cummins’ dedication to excellence is evident in its wide range of products, including the ST43412 Vacuum Gauge, which is designed to meet the rigorous demands of commercial truck operations.

Conclusion

The ST43412 Vacuum Gauge is an essential tool for maintaining and diagnosing the performance of commercial truck engines. Its robust design, accurate readings, and ease of use make it a valuable asset for technicians. By providing real-time data and enabling early detection of engine issues, this part contributes to enhanced maintenance routines and potential cost savings. Proper installation, regular maintenance, and troubleshooting are key to ensuring the gauge’s longevity and reliability in commercial truck operations.


  1. Quansheng Zhan, Shengbo Eben, Li Kun Deng, Automotive Heating Ventilation and Air Conditioning, Jones Bartlett Learning, 2018.

  2. Meherwan P Boyce, Gas Turbine Engineering Handbook 4th Edition, Butterworth-Heinemann, 2011.

  3. Wolf-Henning Schneider, Pistons and Engine Testing, Springer Nature, 2016.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.0 x 4.5 x 4.38 in
Weight
0.5 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.