Mahle JV708 Engine Main Bearing Gasket Set

Mahle JV708 Rope Packing Main Seal Set

The Mahle JV708 is an engine main bearing gasket set application focused on rope packing sealing for classic GM vehicles. Built around a two-piece rope packing seal design, it supports dependable crankshaft sealing in older engines where the original-style rope seal is required.

Key Features

• Mahle engine sealing component for main bearing seal applications
• Rope packing gasket and seal material for original-style fitment
• Two-piece seal style for classic engine rebuilds
• No gasket included; seal-focused service part
• Cross-references Fel-Pro BS 12173 for the same application

Product Details

Mahle JV708 is built for restorations and rebuilds that call for a rope packing main seal rather than a modern lip-style design. Mahle gaskets are used by OEMs and technicians worldwide for sealing applications, and this part follows that same focus on consistent engine sealing performance. It is a direct-fit style solution for vehicles such as Pontiac GTO, Pontiac Tempest, Buick LeSabre, and Pontiac Firebird applications that use a rope packing seal.

Compatible With 1959-1981 Pontiac Bonneville, Pontiac Catalina, Pontiac Grand Prix, Pontiac Parisienne, Pontiac Laurentian, Pontiac LeMans, Pontiac Grand Am, Pontiac Firebird, Pontiac GTO, Pontiac Tempest, Buick Century, Buick Regal, Buick LeSabre, Buick Skylark, Oldsmobile Delta 88, Oldsmobile 98, Oldsmobile Custom Cruiser, and Pontiac Grand LeMans applications listed in the fitment data. The part number JV708 is also a useful reference when sourcing the correct rope packing seal for these classic engine builds.

Common Uses

• Oil seepage at the rear main seal area
• Crankshaft sealing service during engine rebuilds
• Replacement of worn rope packing material
• Restoration work on older Pontiac, Buick, and Oldsmobile engines
• Sealing issues caused by aged or hardened original material

Installation Notes

Verify the engine’s original seal style before ordering, since this part uses rope packing construction and a two-piece seal design. Clean the sealing surfaces thoroughly, follow the engine builder’s service procedure, and confirm the seal orientation and fit during assembly. The part number JV708 should be matched to the engine application and not assumed by vehicle alone.

Quality Assurance

Mahle supplies sealing products used in OEM and technician applications around the world. This part is built to support classic engine sealing requirements with the correct rope packing construction for listed fitments.