Premium CAT Engine Crankshaft Main Bearing & Full Gasket Kit

Genuine OEM Quality
– Precision-engineered to meet Caterpillar 3406/3408/3512 & C7-C15 engine specifications, ensuring flawless compatibility and durability.
High-Performance Materials
– Forged steel crankshaft bearings with advanced anti-wear coatings; multi-layer steel (MLS) head gaskets for superior heat and pressure resistance.
Complete Overhaul Solution
– Full gasket set includes valve cover, oil pan, and exhaust manifold seals for a comprehensive engine rebuild.
Industrial-Grade Reliability
– Ideal for heavy-duty mining, construction, and marine applications where extreme load endurance is critical.
Exclusive Bulk Pricing
– Direct wholesale rates for fleet operators and repair shops, with guaranteed lowest global pricing.
Global Stock Availability
– Fast international shipping for urgent rebuild projects, backed by full traceability.
Trusted OEM Replacement
– Exact match for CAT part #3178766, ensuring factory-fit performance without dealership markups.