L3AL3-1308300SF Fan Bracket Yuchai 6L Engine Air Fan pulley bracket assembly

Presentación del producto
The L3AL3-1308300SF fan pulley bracket is a corecomponent of the Yuchai YC6L engine coolingsystem. It integrates bearings and pulley supportstructures, used to secure the engine cooling fan,transmit crankshaft power to drive the fanoperation, stabilize the engine’s working watertemperature, slow down high-speed vibrations,and reduce the risk of leather wear and toothskipping.
Ventajas del producto
I. Casting thickening process, high structural strength, vibration resistance, and difficulty opening
Crack deformation
2. Built-in height bearings ensure smooth rotation with minimal clearance and high efficiency.
Sound durable
3. Factory size opening, non-destructive direct replacement, no modification required Position
4. Dynamic balance precision handling, high-speed operation without shaking or swinging, extended
Belt service life
. Sealing structure optimization, oil leakage and dust prevention, suitable for long-term heavy operation
Load operating conditions
Adapta
Accurately compatible with the entire Yuchai YC6Lengine series, including various freight trucks equippedwith Yuchai 6L power, passenger buses, constructionmachinery equipment, and replacement with the originalpart number L3AL3-1308300SF. The installation holeposition, wheel diameter, and height are fully matched.
Replace applicable faults
The fan has abnormal rotational noise, the
bearings are loose and have significant vibration.The bracket housing is cracked, the installationholes are deformed, and the oil seal is leaking. Oneside of the fan belt is worn, frequent tooth skipping,and belt falls off. The fan swing is excessive, andthe engine water temperature is abnormally high.