OTTO OEM high-quality C7.1 engine crankshaft part 376-4074 (3764074) is custom-made for CAT 320E and 323E excavators. Precision CNC machining ensures accurate journal roundness and balance, delivering smooth engine rotation and reducing vibration during heavy-duty excavation work. It matches original power transmission standards to keep the C7.1 engine output stable under continuous load.

This high-quality OTTO fuel injector assembly with part number 174-7526 is professionally manufactured for CAT 3126B diesel engines and perfectly fits CAT 322C and 325C excavators. Adopting precision injection technology, it achieves uniform diesel atomization and accurate fuel delivery volume, which effectively improves engine combustion efficiency, enhances mechanical power performance, and reduces incomplete combustion waste and exhaust emissions during excavator operation.

OTTO OEM high-quality fuel injector part 557-7634 (5577634) matches Cat C9 common rail diesel engines perfectly. It delivers even, fine atomization of diesel fuel to boost combustion efficiency, cut fuel consumption and reduce black smoke during engine operation. Strict OEM dimensional standards ensure consistent fuel injection pressure for stable engine power output.

Made of high-strength carbon steel with professional heat treatment, this steel collar spacer boasts excellent hardness and toughness, resisting deformation and damage under high pressure. It perfectly matches the original OEM specifications, enabling direct and quick installation without modification, and maintains long-term reliability to reduce excavator downtime.

Made of high-quality materials with precise craftsmanship, it perfectly matches the original seat specifications, enabling quick and easy installation without any modification, while featuring strong wear resistance to adapt to harsh construction site environments.

Maximize your CAT excavator’s operator comfort with the OTTO Air Conditioner Control Panel (P/N: 396-6895 / 3966895), a premium aftermarket replacement designed for durability and precise fitment. This high-quality component restores reliable AC system control to your heavy equipment, offering a cost-effective alternative to OEM parts while ensuring optimal cabin temperature regulation.

Maximize your CAT excavator’s operational precision with the OTTO High Quality Final Drive Foot Pedal Valve (P/N: 158-8250 / 1588250), a premium aftermarket replacement designed for durability and precise fitment. This high-quality component restores reliable hydraulic control to your heavy equipment, offering a cost-effective alternative to OEM parts while ensuring smooth foot-operated functionality.

Maximize your Caterpillar 312B’s efficiency with the OTTO Oil Cooler Radiator (P/N: 118-9949), a premium aftermarket replacement designed for durability and precise fitment. This high-quality component restores reliable hydraulic oil cooling to your heavy equipment, offering a cost-effective alternative to OEM parts while protecting the cooling system.

Maximize your CAT excavator’s performance with the OTTO Diesel Engine Valve Cover (P/N: 3536988 / 353-6988), a premium aftermarket replacement designed for durability and precise fitment for C9 engines. This high-quality component protects your engine’s valve train, offering a cost-effective alternative to OEM parts while ensuring reliable protection.

OTTO Excavator Construction machinery parts 585-9230 solenoid valve For CAT This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

OTTO Construction machinery parts 320-0680  2645A747 Nozzle Injetcor For Excavator This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

349-4066 This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty