2G0478 Disc-Friction Fits Caterpillar Models
2G0478 Disc-Friction Fits Caterpillar Models
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One New Aftermarket Replacement Friction Disc for Caterpillar (Cat) Motor Graders
This friction disc (also known as a clutch disc or brake plate) is used in the transmission clutch assembly of Caterpillar motor graders, providing the friction necessary for smooth gear engagement and reliable braking performance. It is a direct replacement for Caterpillar (Cat) OEM part number 2G0478.
Specifications
- Outer Diameter: 189.0 mm (approx. 7.44 in.)
- Inner Diameter: 124.0 mm (approx. 4.88 in.)
- Thickness: 1.5 mm (approx. 0.06 in.)
- Tooth Count: 44T
- Application: Transmission clutch / friction and braking system
Compatible Models
Caterpillar Motor Graders: 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14G, 14H, 14H NA, 14M, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA, 16G, 16H, 16H NA, 16M, 24H, 24M
Replaces Part Number(s):
2G0478, 2G-0478, CA2G0478
New aftermarket replacement part - not remanufactured, not used.



