Mahle MS20371 Valley Pan Gasket Set
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Mahle

Mahle MS20371 Valley Pan Gasket Set

Brand Mahle MS20371
Fits Chevrolet and GMC · 44 vehicles

OE-trusted sealing. Mahle gasket products are used by OEMs and technicians worldwide.

Engine sealing service. Built for valley pan gasket replacement and related repair work.

Cross-references 12633134 and MS97416 for the same application. See all 2.

$40.86Free shipping
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Not what you need? See all Valley Pan Gasket Set options

Overview

Mahle MS20371 is a valley pan gasket set for engine sealing applications on select Chevrolet and GMC trucks and vans. It is built for buyers who need a direct sealing solution for service work on the intake valley area, with fitment covering multiple Silverado, Sierra, Express, and Savana applications.

Key Features

  • Valley pan gasket set for engine sealing service
  • Mahle sealing products are trusted by OEMs and technicians worldwide
  • Fits select Chevrolet Silverado 1500 and GMC Sierra 1500 applications
  • Fits select Chevrolet Express 2500, Express 3500, Savana 2500, and Savana 3500 applications
  • Part number MS20371 for easy identification

Detailed Description

Mahle MS20371 is engineered as a valley pan gasket set for engines that require reliable sealing at the valley area. This part number, MS20371, is listed for 2014-2024 Chevrolet and GMC applications, including 2014-2017 Chevrolet Silverado 1500 and GMC Sierra 1500, 2018-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2018-2024 Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500. For buyers searching for a Chevrolet Silverado 1500 valley pan gasket set or GMC Sierra 1500 engine gasket replacement, this Mahle sealing component provides the specified application coverage.

Mahle’s gasket products are used in OEM and professional repair environments, and this part follows that sealing-focused approach for serviceability and fitment accuracy. This part cross-references 12633134 and MS97416 for the same application.

What It Helps Fix

  • Oil seepage from the engine valley area
  • Loss of sealing integrity during intake-related service
  • Gasket deterioration from age and heat cycling
  • Leak concerns after thermostat seal service on listed 2014-2017 applications

Installation Notes

Confirm engine application before installation and match the vehicle to the listed fitment exactly. Clean the sealing surfaces thoroughly and inspect adjacent components for wear before reassembly. On 2014-2017 Chevrolet Silverado 1500 and GMC Sierra 1500 applications, follow the fitment note regarding the Engine Coolant Thermostat Seal gasket during installation.

Quality Assurance

Mahle gaskets are supplied as world-class sealing products used by OEMs and technicians around the globe. Use MS20371 when you need a Mahle valley pan gasket set for compatible Chevrolet and GMC engine service.

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2024ChevroletExpress 25004.3LV6—
2024ChevroletExpress 35004.3LV6—
2024GMCSavana 25004.3LV6—
2024GMCSavana 35004.3LV6—
2023ChevroletExpress 25004.3LV6—
2023ChevroletExpress 35004.3LV6—
2023GMCSavana 25004.3LV6—
2023GMCSavana 35004.3LV6—
2022ChevroletExpress 25004.3LV6—
2022ChevroletExpress 35004.3LV6—
2022GMCSavana 25004.3LV6—
2022GMCSavana 35004.3LV6—
2021ChevroletExpress 25004.3LV6—
2021ChevroletExpress 35004.3LV6—
2021ChevroletSilverado 15004.3LV6—
2021GMCSavana 25004.3LV6—
2021GMCSavana 35004.3LV6—
2021GMCSierra 15004.3LV6—
2020ChevroletExpress 25004.3LV6—
2020ChevroletExpress 35004.3LV6—
2020ChevroletSilverado 15004.3LV6—
2020GMCSavana 25004.3LV6—
2020GMCSavana 35004.3LV6—
2020GMCSierra 15004.3LV6—
2019ChevroletExpress 25004.3LV6—
2019ChevroletExpress 35004.3LV6—
2019ChevroletSilverado 15004.3LV6—
2019GMCSavana 25004.3LV6—
2019GMCSavana 35004.3LV6—
2019GMCSierra 15004.3LV6—
2018ChevroletExpress 25004.3LV6—
2018ChevroletExpress 35004.3LV6—
2018ChevroletSilverado 15004.3LV6—
2018GMCSavana 25004.3LV6—
2018GMCSavana 35004.3LV6—
2018GMCSierra 15004.3LV6—
2017ChevroletSilverado 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2017GMCSierra 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2016ChevroletSilverado 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2016GMCSierra 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2015ChevroletSilverado 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2015GMCSierra 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2014ChevroletSilverado 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2014GMCSierra 15004.3LV6For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12633134MS97416