National 711124 Engine Crankshaft Seal - Front
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National 711124 Engine Crankshaft Seal - Front

Brand National 711124
Position Front
Helix Type Clockwise-spiral lip design
Housing Bore (Inch) 2.756
Housing Bore (MM) 70.000
Material Ptfe
Outside Diameter (Inch) 2.764
Outside Diameter (mm) 70.200
Part Description Oil seal
Series 711100
Shaft (Inch) 2.205
Shaft (MM) 56.000
Type #
Unit of Dimension Metric
Width (Inch) 0.323
Width (mm) 8.200
Fits Jeep and Ram · 11 vehicles

PTFE sealing material. Low-friction construction for consistent crankshaft sealing performance.

Spiral lip design. Clockwise helix helps maintain controlled contact at the shaft surface.

Metric sizing. Measured dimensions support accurate housing and shaft fitment.

Cross-references SKF 20711A, 68029523AA and 68147500AA for the same application. See all 5.

$34.93Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $34.93
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Crankshaft Seal options

Engine Crankshaft Seal Overview

The National 711124 engine crankshaft seal is built for sealing performance in demanding engine applications. It uses a PTFE sealing material and a clockwise-spiral lip design to support consistent contact at the shaft surface.

  • PTFE sealing material for low-friction sealing performance.
  • Clockwise-spiral lip design for controlled oil sealing at the crankshaft.
  • Metric dimensions for precise housing and shaft fitment.
  • Part of National Series 711100 sealing components.

Fitment Details

Compatible with 2014-2019 Jeep Grand Cherokee, front. Compatible with 2014-2018 Ram 1500, front. This application-specific fitment supports direct replacement planning for the National 711124 seal.

What It Helps Address

  • Oil seepage at the crankshaft seal area.
  • Loss of sealing integrity from worn lip material.
  • Fitment issues caused by incorrect seal dimensions.
  • Service needs on front-mounted engine sealing points.

Installation Notes

Verify housing bore, shaft diameter, and width before installation. Clean the sealing surface thoroughly and inspect the shaft for wear or scoring before fitting the seal. Confirm the application matches the listed front-position vehicles before service.

Quality Assurance

National has supplied premium sealing solutions for more than 75 years and continues to develop sealing components for modern vehicles. Part number 711124 reflects that engineering focus for engine sealing applications.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019JeepGrand Cherokee3.0LV6Front—
2018JeepGrand Cherokee3.0LV6Front—
2018Ram15003.0LV6Front—
2017JeepGrand Cherokee3.0LV6Front—
2017Ram15003.0LV6Front—
2016JeepGrand Cherokee3.0LV6Front—
2016Ram15003.0LV6Front—
2015JeepGrand Cherokee3.0LV6Front—
2015Ram15003.0LV6Front—
2014JeepGrand Cherokee3.0LV6Front—
2014Ram15003.0LV6Front—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
SKF — 20711A68029523AA68147500AANA5329SL260252