Description Caterpillar Silicone (70) O-Ring 8M4991 (8M-4991):
O-rings are mainly used as axial or radial seals to prevent leakage and contamination.
SPECIFICATIONS PART NUMBER 8M-4991
Seal/O-Ring Type: Standard
Temperature (°F): -50-300
Coating: No
Main Seal Material: Rubber
Size (in): 320
Cross Section Diameter (in): 0.21
Inner diameter (inches): 1.1
Outer diameter (in): 1.52
Hardness (Shore A): 70
SAE AS568 Dash Size: -320
Material: VMQ (silicone rubber)
Fit equipment: CATERPILLAR ENGINE - MACHINE, CATERPILLAR ENGINE - INDUSTRIAL, CATERPILLAR ENGINE - MARINE, CATERPILLAR TRACK-TYPE LOADER
Fit equipment models: CATERPILLAR 3116, CATERPILLAR 3304, CATERPILLAR 3306, CATERPILLAR 3304, CATERPILLAR 3304B, CATERPILLAR 3306, CATERPILLAR 3306B, CATERPILLAR 3304, CATERPILLAR 3304B, CATERPILLAR 973
Weight(lbs): 0.1
Length(cm): 15.24
Width(cm): 12.7
Depth(cm): 2.54