Mahle C31271 Engine Coolant Outlet Gasket

Engine Coolant Outlet Gasket for OE-Style Sealing

Mahle C31271 is an OEM-standard engine coolant outlet gasket built with beaded paper gasket material for dependable sealing at the coolant outlet. It is made for service work where a precise gasket surface and stable coolant sealing are required on select Buick, Chevrolet, Oldsmobile, and Pontiac applications.

Compatible with 1990-1998 Buick Regal, Buick Park Avenue, Buick Riviera, Buick LeSabre, Buick Reatta, Chevrolet Lumina APV, Oldsmobile 88, Oldsmobile 98, Oldsmobile Silhouette, Oldsmobile Toronado, Oldsmobile LSS, Pontiac Bonneville, Pontiac Grand Prix, and Pontiac Trans Sport applications. Part number C31271 is also referenced by FEL-PRO 35534 and General Motors 24502433 for the same application.

Key Features

• Engine coolant outlet gasket for sealing the coolant outlet connection
• Beaded paper gasket material for consistent sealing performance
• OEM Standard item grade for service replacement use
• Additional package contents: none
• Mahle sealing product trusted by OEMs and technicians

Product Details

Mahle C31271 is a replacement coolant outlet gasket engineered for vehicles that require an OE-style sealing surface. The beaded paper construction helps maintain a uniform seal at the coolant outlet, where heat cycling and coolant exposure can challenge older gaskets. This part number is used across multiple GM platforms, including Buick Regal and Buick Park Avenue, making it a practical choice for cooling system service on select 1990s vehicles.

Use C31271 when replacing a leaking or deteriorated coolant outlet gasket on supported Buick, Chevrolet, Oldsmobile, and Pontiac models. The OEM-standard grade supports direct-fit service work without changing the original sealing design.

What It Helps Address

• Coolant seepage at the engine coolant outlet
• Sealing failure from aged or compressed gasket material
• Coolant odor or visible residue around the outlet joint
• Maintenance repairs after coolant outlet removal
• Restoration of a proper seal on select GM cooling system applications

Installation Notes and Tips

Clean both mating surfaces before installation and remove all old gasket material, corrosion, and coolant residue. Verify the coolant outlet and housing surfaces are flat and free of damage before assembly. Follow the vehicle service procedure for torque sequence and coolant refill, and inspect for leaks after the engine reaches operating temperature.

Quality Assurance

Mahle gaskets are supplied as OE-standard sealing components and are used by OEMs and technicians worldwide. This part number, C31271, is built to meet the sealing requirements of the listed applications and support reliable cooling system service.