187012
Lubricating Oil Pump Gear
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,599.95 $1,903.94

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

Introduction

The Lubricating Oil Pump Gear 187012 is a critical component designed to facilitate the operation of commercial trucks by ensuring the efficient circulation of lubricating oil within the engine. This gear is integral to the oil pump system, which is responsible for maintaining the necessary lubrication of engine components to ensure smooth operation and longevity. Cummins Inc., a well-established manufacturer in the commercial truck industry, produces this gear. Known for its robust engineering and high-quality products, Cummins has a reputation for delivering reliable components that contribute to the overall performance and durability of commercial vehicles 1.

Function and Operation

The Lubricating Oil Pump Gear 187012 operates within the oil pump system by engaging with other gears and components to create a pressurized flow of oil. This pressurized oil is then distributed throughout the engine to lubricate moving parts, reduce friction, and dissipate heat. The gear’s precise design and fit within the pump assembly allow it to perform its role effectively, ensuring that engine components receive the lubrication they require to function optimally 2.

Key Features

The Lubricating Oil Pump Gear 187012 is characterized by its robust design and the quality of materials used in its construction. Crafted from durable materials, this gear is designed to withstand the high pressures and constant motion inherent in engine operation. Its precise machining ensures a tight fit within the oil pump assembly, which is crucial for maintaining the integrity of the oil flow and pressure. Additionally, the gear’s design incorporates features that enhance its performance and durability, such as optimized tooth profiles for efficient power transmission and resistance to wear 3.

Benefits of Proper Lubrication

Effective lubrication plays a significant role in engine operation by reducing friction between moving parts, minimizing wear, and aiding in heat dissipation. The Lubricating Oil Pump Gear 187012 contributes to these benefits by ensuring a consistent and pressurized flow of oil throughout the engine. This consistent lubrication helps to maintain engine efficiency, extend component lifespan, and prevent overheating, all of which are critical for the reliable operation of commercial trucks 4.

Installation and Integration

Correct installation of the Lubricating Oil Pump Gear 187012 within the oil pump assembly is vital for its performance and the overall efficiency of the lubrication system. Proper alignment and fit are necessary to ensure that the gear engages correctly with other components, maintaining the desired oil pressure and flow. Following manufacturer guidelines during installation helps to avoid common issues such as leaks or inefficient lubrication, which can arise from incorrect fitting or alignment.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and efficiency of the Lubricating Oil Pump Gear 187012. This includes periodic checks for wear or damage, ensuring that the gear and its mating components remain in good condition. Common issues may include reduced oil pressure or flow, which can often be traced back to wear on the gear or misalignment within the pump assembly. Troubleshooting these issues typically involves inspecting the gear and related components for signs of wear or damage and making necessary adjustments or replacements.

Role in Engine Performance

The Lubricating Oil Pump Gear 187012 influences overall engine performance and reliability by ensuring that engine components receive the lubrication they require to operate smoothly and efficiently. Its interaction with other engine components, such as the oil pump and bearings, is crucial for maintaining the engine’s operational integrity. Effective lubrication facilitated by this gear helps to reduce friction and wear, contributing to the engine’s longevity and performance.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its comprehensive range of diesel engines, related technologies, and components. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and high-performance products. The company’s commitment to excellence is reflected in its wide product range, which includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicle operations.

Role of Part 187012 Lubricating Oil Pump Gear in Engine Systems

The part 187012 Lubricating Oil Pump Gear is a vital component within the lubrication system of an engine, ensuring the efficient circulation of oil to various moving parts. This gear operates in conjunction with several other components to maintain optimal engine performance and longevity.

Integration with Lubricating Oil Pump

The lubricating oil pump, a primary component in the lubrication system, relies on the 187012 gear to draw oil from the oil pan and distribute it throughout the engine. The gear meshes with other gears within the pump, creating a rotational motion that facilitates oil flow.

Function within the Lubricating Double Pump System

In engines equipped with a lubricating double pump system, the 187012 gear plays a role in both the primary and secondary oil pumps. This setup ensures a redundant oil supply, enhancing engine reliability under various operating conditions.

Interaction with Cylinder Long Block and Short Block

The efficient operation of the 187012 gear is vital for the lubrication of both the cylinder long block and short block. By ensuring a consistent oil supply, the gear helps reduce friction and wear on pistons, cylinders, and other critical components within these blocks.

Coordination with Gear and Shaft Assemblies

The 187012 gear often works in tandem with other gear and shaft assemblies within the engine. This coordination is essential for maintaining the precise timing and pressure required for effective lubrication.

Role in Various Oil Pan Configurations

Different oil pan configurations, such as the shallow sump oil pan, rear sump pan, and oil pan sub-option, all depend on the 187012 gear for reliable oil circulation. The gear’s efficiency is particularly important in systems with limited oil capacity, such as shallow sump pans.

Support for Scavenge Pump Operations

In engines with a scavenge pump, the 187012 gear assists in removing excess oil from critical areas, preventing oil buildup and ensuring that the lubrication system operates within specified parameters.

Enhancement of Performance Parts

For engines equipped with performance parts, whether AFC (Aftermarket Forced Induction) or non-AFC, the 187012 gear contributes to maintaining the heightened lubrication demands. This is especially important in high-performance engines where components operate under increased stress and temperature.

Contribution to Overall Lubrication Efficiency

The 187012 gear’s role extends to supporting the lubrication pump in delivering oil to all necessary engine components, including the body and shaft. This comprehensive lubrication is essential for the smooth operation and durability of the engine.

Conclusion

The Lubricating Oil Pump Gear 187012 by Cummins is a critical component in the lubrication system of commercial truck engines. Its robust design, precise machining, and integration with various engine components ensure efficient oil circulation, reducing friction, minimizing wear, and aiding in heat dissipation. Proper installation, regular maintenance, and understanding its role in engine performance are essential for the reliable operation and longevity of commercial vehicles.


  1. Tigran Parikyan Ed, Advances in Engine and Powertrain Research and Technology, Springer Nature, 2022.

  2. Willard W. Pulkrabek, Engineering Fundamentals of the Internal Combustion Engine, Pearson Education, 2014.

  3. Paul Richards and Jim Barker, Automotive Fuels Reference Book, SAE International, 2023.

  4. Hamid Taghavifar and Aref Mardani, Offroad Vehicle Dynamics Analysis Modelling and Optimization, Springer, 2017.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.0 x 6.0 x 5.0 in
Weight
0.355 lb
* 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.