The Cummins Pressure Regulator Valve Seat 3026758 Is Used Primarily on Non Certified 11 Liter M11 Engines.

• Customization: Available
• Certification: CCC, COP, ISO9001, CE, E-Mark, RoHS, TS16949
• Standard Component: Standard Component
• Model NO.: Pressure Regulator Valve Seat
• Technics: Casting
• Material: Aluminum Alloy
• Type: Crankshaft
• Weight: 0.05lbs
• Color: Black or Customized
• Shipment: by Sea or Air
• Transport Package: Packing
• Specification: 1*6.3*4In
• Trademark: Zhengwei
• Origin: China
• Production Capacity: 500000PCS/Year

Product Description

DESCRIPTION

The Cummins Pressure Regulator Valve Seat 3026758 is used primarily on Non Certified 11 liter M11 engines.

Shipment Height: 1 In

Shipment Length: 6.3 In

Shipment Width: 4 In

The Regulator Valve Seat 3026758X is an essential component for Cummins engines, mainly serving as an oil pressure regulator valve seat. It is applicable to various Cummins engine series, including L10, M11, ISM, and QSM 11L5.

 

This valve seat plays a vital role in the engine's lubrication system. Its function is to work in conjunction with the oil pressure regulator to maintain the stability of the engine oil pressure. It can limit the maximum outlet pressure of the main oil pump. When the oil pressure exceeds the set - value of the regulator valve, the valve will open, and part of the engine oil will flow back to the oil pan through the oil return passage, thus ensuring that the oil pressure is within the normal range. This helps to prevent excessive oil pressure, which could potentially damage engine components. As a key part, it ensures proper lubrication of the engine's moving parts, reduces friction and wear, and is of great significance for enhancing the reliability and service life of the engine. Additionally, it has interchangeable part numbers such as 3014756, and is compatible with a variety of vehicles and equipment, including those from brands like Ram, Dodge, Peterbilt, and Ford, covering applications in trucks, loaders, tractors, and more.

 

Troubleshooting Common Issues

Common issues with the Pressure Regulator Plunger may include inconsistent fuel pressure or engine performance problems. Symptoms of a malfunctioning plunger can include difficulty starting the engine, reduced power, or increased fuel consumption. Troubleshooting steps may involve inspecting the plunger for signs of wear or damage, checking the fuel system for leaks, and ensuring that the plunger is correctly installed.

Maintenance Tips
Regular maintenance of the 3068979 Pressure Regulator Plunger is important for ensuring optimal performance and longevity. This includes periodic inspection for signs of wear or damage, and cleaning the plunger and its surrounding components to remove any buildup that could affect its operation. 

Cummins Overview
Cummins Inc. has a long history of manufacturing high-quality automotive components. The company's product range includes a variety of engines and components for heavy-duty trucks, known for their reliability and performance. Cummins' commitment to quality and innovation is evident in all its products, including the 3068979 Pressure Regulator Plunger 

Compatibility with Cummins Engines
The Pressure Regulator Plunger (Part 3068979) is compatible with various Cummins engines, ensuring precise fuel pressure regulation for optimal engine performance and efficiency.

ISM Series Engines
· ISM CM570

· ISM CM570/870

· ISM CM876

· ISM11 CM876 SN

L10 Series Engines
· L10 CELECT

· L10 GAS

· L10 MECHANICAL

M11 Series Engines
· M11 CELECT

· M11 CELECT PLUS

· M11 MECHANICAL

QSM11 Series Engines
· QSM11 CM570

· QSM11 CM876

Role in Engine Systems
The 3068979 Pressure Regulator Plunger is integral to maintaining optimal pressure within various engine systems. Its function is to regulate the pressure of fluids, ensuring that the engine operates efficiently and reliably.

Integration with the Engine and Cylinder Block

In the engine, the Pressure Regulator Plunger works in conjunction with the cylinder block to manage the pressure of lubricating oil. The cylinder block, which houses the cylinders and pistons, relies on a consistent supply of pressurized oil to reduce friction and wear. The Plunger ensures that the oil pressure remains within the desired range, preventing both under-lubrication and over-pressurization, which could lead to engine damage

Engine	Description	Part #	Part #	Part #	Part #	Part #
4BT	conrod bearing	3901171	3901172	3901173	3901174	3969562
4BT	conrod bearing	3939859	3939860	3939861	3939862	3971970
6BT	conrod bearing	4892795	4892796	4892797	4892798	4893693
6BT	conrod bearing	4932376	4932377	4932378
6CT	conrod bearing	3901430	3901431	3901432	3901433	3901434
6CT	conrod bearing	3950661	3966244	3901460	3950662
QSB	conrod bearing	3901170	3901230	3939380	3939390	3939859
QSB	conrod bearing	4892795	4892796	4892797	4892798	4893693
QSB	conrod bearing	4932376	4932377	4932378	5302904
ISF2.8	conrod bearing	5261124	5261125	5284536	5284537
ISF3.8	conrod bearing	4376188	4948508	4948509
K19	conrod bearing	205840	205841	205842	205843	205844
K38	conrod bearing	3047390	3047391	3047392	3047393	3047394
K50	conrod bearing	3021710	206160	3650900	4914696
M11	conrod bearing	3016760	3016761	3016762	3016763	4319786
NT	conrod bearing	203660	203661	203662	203663	203670
NT	conrod bearing	203672	203673	214950	214951	214952
NT	conrod bearing	3055145	3055146	3055147	3055148	3150011
NT	conrod bearing	3150013	3150014

Company Profile

Sichuan Zhengwei Power Technology Co.,Ltd. is a comprehensive and diversified enterprise which established in 2009. Headquartered in No. 388 Huanghe Road, Xindu District, Chengdu, Sichuan Province.The company specializes in diesel generator sets, Cummins engine assembly, Cummins pure parts sales and after-sales service. The company not only has a rich product line, including high-quality diesel generator sets and all kinds of pure accessories, but also provides a full range of after-sales service to ensure the stable operation of customers' equipment. In addition, with strong technical strength and rich experience, the company focuses on the maintenance of all kinds of construction machinery at home and abroad, and can provide customers with efficient and professional mechanical equipment maintenance services, solve all kinds of equipment failures, and ensure the normal production and operation of customers. 

Adhering to the corporate purpose of "Let customers get more value", the company will, provide customers with more and better products and services, and jointly open our better cooperation prospects!

Main Product

Production Process

Packaging & Shipping

Certifications

International Partners

FAQ

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Q: What's the lead time for orders?

A: Standard models ship in 15–30 days; customized units require 60-90days.

Q: Do you provide after-sales service?

A: Yes, We have a very comprehensive after-sales system.

Q: Can I request a customized parts?

A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?

A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?

A: Contact us via email/phone for a quote, then confirm with a PO.

 

Q: I'm not sure if this part fits my engine.

A: Please contact our customer service. We will help you identify or find the parts that fit your engine.

Q: I need other numbered parts, but they are out of stock in your store

A: You didn't want this part? Please contact us.If you can't find what you're looking for in store, it doesn't mean we're out of stock, The possible reasons are:

l The product was not put on the shelves in time

l The product link was invalid

l The keyword you searched for was incorrect

l Your part number machine model serial number was incorrect.

l Category restrictions, more optional models cannot be uploaded.

Therefore, please be sure to contact our customer service to inquiry whether the goods you need are actually in stock.l am confident that we can provide the products you need

 

Q: How long does it take to ship after payment?

A: After you make the payment,we usually need 3 business days to stock up and we will ship it to you.lf the parts you purchased are relatively rare, we will need longer time to stock them, but we will inform you via email.