7N0858 Cylinder Head for Caterpillar Equipment

7N0858 is a cylinder head for Caterpillar equipment using 3408-series engines and related machine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar track-type tractors, off-road dump trucks, wheel bulldozers, wheel-type loaders, wheeled tractor-scrapers, truck engines, industrial engines, ship equipment and engine-generator sets. Fitment should be checked by the equipment model and the applicable engine configuration before installation.

Fitment

• Track-type tractors: 58, 8, 8A, 8S, 8U, D8L
• Off-road dump trucks: 768C, 769C
• Wheel bulldozers: 834S, 834B, 834U
• Wheel-type loaders: 988B
• Wheeled tractor-scrapers: 631D, 633D, 637D, 639D, 657E
• Truck engines: 3408, 3408B
• Industrial engines: 3408, 3408B, 3408C
• Ship equipment: 3408, 3408B
• Engine-generator sets: 3408, 3408B, 3408C

Cross-reference numbers

The numbers 7N0858 and 7N-0858 designate the same cylinder head reference in different written formats. Use the complete equipment model and engine information when comparing the part number with an existing cylinder head.

Specifications

The supplied dimensional data includes measurements stated in both inches and centimetres. The metric length, width and depth are reproduced as listed for the part. The description does not specify the cylinder head material, included components, gasket set, valves, or mounting hardware.