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National Bearings 4278 | Differential Pinion Seal

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$10.00
Part Number
NAT4278
Condition:
New
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National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

BRAND: National

FEATURES:

  • Excellent high temperature capabilities
  • Temperature range: -40°F to 400°F / -40°C to 204°C
  • Ford E-150 Diff 11-03; E-150 Club Wagon Diff 05-03; E-150 Econoline Diff 02-99; E-150 Econoline Club Wagon Diff 02-99; Excursion Diff 05-00; Expedition Diff 15-99; F Super Duty Diff 97-88; F-150 Diff 15-99; F-150 Heritage Diff 04; F-250
  • Differential Pinion Seal
  • Delivers quality and reliable performance for every type of repair
  • Design type: spring loaded; multi-lip
  • National 4278 Differential Pinion Seal
  • Compatible with wide range of fluids
  • Differential Pinion Seal

SPECIFICS:

Flanged Outside Diameter (Inch)3.400
Flanged Outside Diameter (MM)86.360
Housing Bore (Inch)3.091
Housing Bore (MM)78.510
Inside Diameter46.020
Inside Diameter1.812
MaterialFluoro-Elastomer
Outside Diameter78.640
Outside Diameter3.096
Outside Diameter (Inch)3.096
Outside Diameter (MM)78.640
Part DescriptionOil Seal
RedicoatYes
Series4000
Shaft (Inch)1.812
Shaft (MM)46.020
Thickness0.485
Thickness12.320
Type86
Unit of DimensionInch
Width (Inch)0.485
Width (MM)12.320

DOWNLOADS:

INTERCHANGE:

  • Ford: 1L3Z-4676-A
  • SKF: 18024
  • Ford: E5TW4676BA
  • SKF: 18062A
  • Ford: E8TW4676AA
  • Ford: BL3Z-4676-A
  • Ford: E8TZ-4676B
  • Ford: E5TZ4676B
  • Timken: 4278
  • Ford: ESTW-4676-BA
  • Ford: 1L3Z-4676-B
  • Ford: 1L3W4674AA
  • Chicago Rawhide: 18024
  • Chicago Rawhide: 18062A
  • Ford: 1L3W-4676-AC
  • Ford: 1L3Z-4676-C
  • Ford: 1L3W-4676-AB
  • Victor Reinz: 48103
  • Ford: E87W4676AA
  • Ford: E5TZ4676A

Product type:
Aftermarket



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