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National Oil Seal 311189 Multi-Purpose Oil Seal 3/8" Shaft Nitrile Lip

(MG MGB 1967-76, Midget 1975-79, 1100 1962-67, 1300 1968-69; American Motors Javelin 1968-71, AMX 1968-71, Hornet 1970-71, Ambassador 1965-71 + 99 more models)

Manufacturer

Part Number

311189
Sale Price

$6.10

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The National Oil Seal 311189 is a general-purpose oil seal engineered for dependable sealing performance on slow-speed shaft applications. Featuring a springless, single-lip design constructed with a steel and rubber composite case, this seal delivers reliable fluid retention and contamination exclusion in a compact, molded form factor.

Key Specifications:

  • Shaft Diameter: 0.375 in (9.525 mm)
  • Housing Bore (Outer Diameter): 0.687 in (17.45 mm)
  • Nominal Width: 0.156 in (3.962 mm)
  • Lip Material: Nitrile (NBR)
  • Case Construction: Steel and Rubber
  • Design Type: Springless, Single-Lip
  • Temperature Range: -40°F to 225°F (-40°C to 107°C)
  • Seal Design Code: 31
  • Solid or Split: Solid

Key Features:

  • Molded general-purpose design suited for slow-speed applications
  • Good low-temperature flexibility and capability
  • Low swell in hydrocarbon-based fluids
  • No inner case or spring retainer — simplified, lightweight construction
  • Meets or exceeds OE specifications for dependable replacement performance

The National 311189 is a trusted OEM-quality replacement oil seal, also cross-referenced as Timken 311189 and Massey Ferguson 1627159M1. National Oil Seals, now part of the Timken family of brands, has been a leading supplier of sealing solutions for automotive and industrial applications for over 75 years.

Products specifications

Fits

MG MGB 1967-76, Midget 1975-79, 1100 1962-67, 1300 1968-69; American Motors Javelin 1968-71, AMX 1968-71, Hornet 1970-71, Ambassador 1965-71, American 1962-68, Rebel 1966-70, Classic 1962-66, Gremlin 1970-71, Matador 1971 + 94 more models

Agricultural Equipment

N

Application Specific

Y

Car Light Truck

N

Engine Specific

N

Freight Class

60

Heavy Duty Truck

N

High Performance

Y

Industrial Off Highway Equipment

N

Marine

N

Material

Nitrile

Medium Duty Truck

N

Motorcycle ATV

N

Non Vehicle Specific

N

Personal WaterCraft

N

Small Engine

N

SnowMobile

N

Transmission Specific

N

Feature 2

Design Type: Springless; Single-Lip

Feature 3

Provides good low temperature capability

Feature 4

Low swell in hydrocarbon fluids

Feature 5

Temperature Range: -40F to 225F; -40C to 107C

Outside Diameter (mm)

17.550

Part Description

Oil Seal

Part Type

Seals

Series

310000

Type

31

Width (inch)

0.156

WIDTH (MM)

3.960

Housing Bore (Inch)

0.686

Housing Bore (MM)

17.450

Outer Diameter (Inch)

0.69

Shaft (Inch)

0.375

Shaft (MM)

9.530

Shaft Size (Inch)

0.375

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