Elring 858.990 PCV Valve Gasket

Elring 858.990 PCV Valve Gasket for HD Diesel Applications

Elring 858.990 is a PCV valve gasket built for emission control sealing on select Chevrolet Silverado HD and GMC Sierra HD diesel applications. It supports a tight seal at the PCV valve area to help maintain proper crankcase ventilation and stable engine operation.

Key Features

• PCV valve gasket for emission control sealing
• Elring part number 858.990
• 2 mounting bores for the specified application
• OE-style sealing solution for diesel truck service
• Cross-reference: 12671847

Application Details

Compatible with 2023 Chevrolet Silverado 2500 HD and 2023 GMC Sierra 3500 HD, as well as 2016 Chevrolet Silverado 2500 HD and 2016 Chevrolet Silverado 3500 HD. It also fits 2017-2019 Chevrolet Silverado 2500 HD, 2017-2019 Chevrolet Silverado 3500 HD, 2017-2019 GMC Sierra 2500 HD, and 2017-2019 GMC Sierra 3500 HD with fitting position noted as Exhaust Turbocharger. Search terms such as Elring 858.990 PCV valve gasket for Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD help match the correct sealing component for these trucks.

What It Helps Address

• Oil seepage at the PCV valve sealing surface
• Unstable crankcase ventilation sealing
• Vacuum leaks at the gasket interface
• Loss of sealing integrity during turbocharger-area service
• Repeat repairs caused by worn or flattened gasket material

Installation Notes

Verify the engine and fitting position before installation, especially on 2017-2019 models listed with Exhaust Turbocharger placement. Clean the mating surfaces thoroughly and confirm the 2-bore mounting pattern matches the original part. Use the vehicle service information for torque and assembly procedures.

Quality Assurance

Elring sealing components are engineered for precise fit and dependable sealing performance in emission control applications. Part number 858.990 is identified for the listed Chevrolet Silverado HD and GMC Sierra HD fitments.