MAHLE 4961-2 HEAD GASKET (.25MM) FOR 89-98 4BT CUMMINS 3.9L ENGINE

The MAHLE 4961 is a high-quality OEM replacement cylinder head gasket designed for the Cummins 4B3.9L (4BT) diesel engine. This gasket ensures a proper seal between the engine block and cylinder head, critical for maintaining compression and preventing coolant or oil leakage.

? Vehicle Fitment

Engine: Cummins 4BT (3.9L Inline-4 Diesel)

Common Applications:

• 1989–1998 Dodge Ram 2500 / 3500 (with Cummins 4BT swaps)

• Step vans, box trucks, and light commercial vehicles

• Industrial and agricultural equipment including:

  • Generators

  • Skid steers

  • Forklifts

  • Marine engines

• Custom/off-road vehicles utilizing the 4BT as a swap engine

Note: The 4BT is not a stock engine in light-duty Dodge pickups but is a popular swap due to its simplicity and durability.

? Specifications

The MAHLE 4961-2 Head Gasket is a precisely engineered OEM replacement designed specifically for the Cummins 4BT 3.9L diesel engine. Tailored for models produced between 1989 and 1998, this high-quality gasket is crucial for maintaining optimal engine performance. It effectively seals the space between the engine block and cylinder head, ensuring proper compression and preventing any leakage of oil or coolant.

Constructed from advanced materials, the gasket is available in multi-layer steel (MLS) or composite versions, providing a reliable solution for a range of applications. Its standard thickness of 0.25mm (also available in .010" over specification) meets or exceeds OEM standards, demonstrating exceptional resistance to high temperatures, pressures, and various chemical exposures.

The MAHLE 4961-2 gasket is versatile, fitting not only the Dodge Ram 2500 and 3500 models that feature the Cummins 4BT engine but also extends to industrial and agricultural equipment such as generators, forklifts, and marine engines. Custom and off-road vehicle enthusiasts will appreciate its reliability, making it a popular choice for engine swaps due to the 4BT’s renowned simplicity and durability.

With a commitment to quality, MAHLE ensures that this product undergoes rigorous testing to meet the toughest standards. The advanced sealing style incorporates OE-style sealing rings with precision cuts, offering peace of mind for both professional mechanics and DIY enthusiasts.

Whether you’re maintaining a commercial fleet or undertaking a personal project, the MAHLE 4961-2 Head Gasket promises a dependable seal, supporting the long-term health of your engine. Backed by a 12-month warranty and available for order, this gasket stands ready to meet your engine’s demands. Reinforce your engine with the reliability of MAHLE.