Valve body gasket

Detail Chart
Detail Chart
Valve body gasket
Description

The valve body gasket is an essential sealing component located between the valve body and the cylinder head in gas generator engines. It provides a secure seal that prevents gas leaks and maintains optimal compression and combustion efficiency.

B1000-07040006

J4221064

Valve body gasket


Description

The Valve Body Gasket: The Sealing Heart of Automatic Transmissions

The Valve Body Gasket is an essential, high-performance sealing component found within the automatic transmission. It is situated between the valve body (often called the 'brain' of the transmission) and the transmission casing or a separator plate. Its crucial function is to prevent hydraulic fluid from leaking internally between the complex network of pressure channels and passages.

Key Features and Performance Benefits

The integrity of this gasket is directly tied to the smooth and efficient operation of the transmission:

FeatureDesign/Material SpecificationImpact on Transmission Performance
Reliable Sealing

Precisely engineered fit and

durable construction.

Prevents internal fluid leakag

e between hydraulic channels, 

which is critical for maintaining 

the specific stable pressure 

needed for gear engagement.

Smooth Gear ShiftsProper sealing and fluid routing.

Ensures the correct fluid pressur

e and flow are delivered to the 

transmission's hydraulic circuits, 

resulting in smooth, accurate, 

and stable shifting.

Durability

Materials resistant to oil, heat, and chemical

exposure (e.g., specialized non-asbestos 

composite materials like Nitrile Butadiene 

Rubber-bound blends, capable of handling 

temperatures up to 550 for short durations).

Guarantees a long service life

by resisting the breakdown 

caused by hot transmission 

fluid and high pressure.

Restores Hydraulic IntegrityEasy to replace during maintenance.

Restores the transmission's hydraulic

sealing integrity, which is vital

for preventing issues like 

rough shifting, slipping, or transmission failure.


Applications and Target Customers

A failing valve body gasket can lead to symptoms like harsh or delayed shifting, transmission slipping, or the vehicle going into limp mode, making its replacement a necessary part of transmission service.

  • Primary Users: Auto repair shops and transmission rebuilders who perform maintenance, overhauls, or full rebuilds on automatic transmissions.

  • Vehicle Focus: Essential for maintaining high-mileage vehicles or older cars needing transmission seal replacement.

  • Supply Chain: Key product for auto parts distributors/wholesalers supplying OEM or aftermarket gaskets.

  • Benefit: Provides reliable transmission performance, leak prevention, and smooth shifting for car owners and fleets.


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