4991305 Cummins Crankshaft Front Oil Seal For 4BT3.9 6BT5.9 Engines
4991305 crankshaft front oil seal for Cummins engines.
SKU: 4991305
DescriptionAdditional information
4991305 is the crankshaft front oil seal fitted to Cummins engines. Published figures include dimension (id × od × thickness) 95 mm × 118 mm × 12 mm, single net weight ~0.18 kg, operating temperature range NBR: -30℃ ~ +150℃; FKM: up to 180℃. It cross-references 4982415, 3968563.
Specifications
Part Number
4991305
Cross Reference PN
4982415, 3968563
Mounting Position
Engine flywheel end (Rear Crankshaft Oil Seal)
Compatible Engines
Cummins 4BT3.9 / 6BT5.9 / 6BTA5.9 / QSB5.9
Dimension (ID × OD × Thickness)
95 mm × 118 mm × 12 mm
Structure
TC double-lip seal with built-in stainless steel tension spring
Standard Rubber Material
NBR nitrile rubber
Upgrade High-Temp Material
FKM fluoroelastomer (resists high temperature & diesel corrosion)
Frame
Integrated cold-rolled steel coated with rubber, anti-deformation & tight sealing fit
Single Net Weight
~0.18 kg
Operating Temperature Range
NBR: -30℃ ~ +150℃; FKM: up to 180℃
Compatible Media
Diesel fuel, engine oil, hydraulic oil
Key Features
Cross Reference PN: 4982415, 3968563
Mounting Position: Engine flywheel end (Rear Crankshaft Oil Seal)
