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More Information for NATIONAL 3618
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NATIONAL 3618 Specifications
Flanged Outside Diameter (Inch)2.940
Flanged Outside Diameter (MM)74.676
Helix TypeClockwise-Spiral Lip Design
Housing Bore (Inch)2.623
Housing Bore (MM)66.620
Inside Diameter1.812 in.
Inside Diameter46.020 mm
MaterialNitrile
Outside Diameter2.627 in.
Outside Diameter66.730 mm
Outside Diameter (Inch)2.627
Outside Diameter (MM)66.730
Part DescriptionOil Seal
RedicoatYes
Series3000
Shaft (Inch)1.812
Shaft (MM)46.020
Thickness0.615 In.
Thickness15.620 mm
Type86
Unit of DimensionInch
Width (inch)0.615
Width (MM)15.620
NationalŪ Oil Seals & Bearings has built a reputation as one of the most respected names in the industry. They have offered premium sealing and wheel end solutions for more than 75 years. Their design and engineering teams keep pace with the industry and provide advanced solutions for today's vehicles.

Features & Benefits:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40°F to 225°F / -40°C to 107°C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
OEM / Interchange Numbers: D9BW4676A2A, D9BW4676AA, D9BZ4676A

NATIONAL Warranty Information:
12 Months