HomeEngine > Gaskets and Sealing SystemsNational 710532 Engine Crankshaft Seal - Front Outer, Rear or Rear Outer
Part #: 710532

National 710532 Engine Crankshaft Seal - Front Outer, Rear or Rear Outer

Rear
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Fitment: Lexus, Chevrolet, GMC, Oldsmobile, Isuzu, and Pontiac, GS F, LC500, RC F, Astro, Blazer, S10, Jimmy, Safari, Sonoma, Bravada, Hombre, S10 Blazer, Typhoon, S15 Jimmy, Syclone, S15, and 6000
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Overview of National 710532 Engine Crankshaft Seal

The National 710532 engine crankshaft seal is designed to provide reliable sealing performance for various Chevrolet, GMC, Isuzu, Lexus, Oldsmobile, and Pontiac models. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

  • Inside diameter: 1.521 inches (38.630 mm)
  • Outside diameter: 2.660 inches (67.560 mm)
  • Flanged outside diameter: 2.960 inches (75.184 mm)
  • Thickness/width: 0.425 inches (10.800 mm)
  • Sealing material: Polyacrylate for enhanced durability
  • Compatible with housing bore diameter of 2.656 inches (67.460 mm)
  • Part number: 710532, Series 710500

Technical Details and Material Specifications

This National crankshaft seal (part number 710532) is constructed from polyacrylate, a material known for its resistance to heat, oil, and wear. The seal’s precise dimensions, including a 1.521-inch inside diameter and a 2.660-inch outside diameter, ensure a secure fit on the crankshaft and housing bore. The flanged outside diameter of 2.960 inches provides additional sealing surface to prevent oil leakage. With a thickness of 0.425 inches, this seal maintains structural integrity under engine operating conditions.

Compatible Vehicle Applications

This engine crankshaft seal is compatible with a range of vehicles, including Chevrolet Astro, Blazer, S10, S10 Blazer, S15, and S15 Jimmy; GMC Jimmy, Safari, Sonoma, and Bravada; Isuzu Hombre; Lexus GS F, LC500, and RC F; Oldsmobile and Pontiac models. The National 710532 seal is designed to meet the specific sealing requirements of these vehicles, ensuring proper fit and function.

Common Uses and Problem Resolution

  • Prevents oil leaks around the crankshaft area
  • Maintains engine oil pressure and cleanliness
  • Reduces risk of engine damage due to oil contamination
  • Eliminates crankshaft seal wear-related noise and vibration
  • Helps avoid costly engine repairs caused by oil loss

Installation Notes and Tips

When installing the National 710532 crankshaft seal, ensure the crankshaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip or flange. Verify the seal orientation matches the engine manufacturer’s specifications. Lubricate the sealing surface lightly with clean engine oil before installation to prevent dry running during initial startup.

Quality Assurance and Warranty

National engine crankshaft seals are manufactured to meet industry standards for durability and performance. The polyacrylate material offers resistance to heat and oil degradation, contributing to long service life. This product is part of the National 710500 series, known for consistent quality. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.

BrandNational
Part Number710532
Flanged Outside Diameter (Inch)2.960
Flanged Outside Diameter (MM)75.184
Housing Bore (Inch)2.656
Housing Bore (MM)67.460
Inside Diameter1.521
Inside Diameter38.630
MaterialPolyacrylate
Outside Diameter2.660
Outside Diameter67.560
Outside Diameter (Inch)2.660
Outside Diameter (mm)67.560
Part DescriptionOil Seal
Sealing MaterialPolyacrylate
Series710500
Shaft (Inch)1.521
Shaft (MM)38.630
Thickness0.425
Thickness10.800
Type75
Unit of DimensionInch
Width (Inch)0.425
Width (mm)10.800

This part fits 129 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2019LexusGS F5.0LV8Rear
2019LexusLC5005.0LV8Rear
2019LexusRC F5.0LV8Rear
2001ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001ChevroletBlazerAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001GMCJimmyAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2001OldsmobileBravadaFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000ChevroletBlazerAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000GMCJimmyAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000IsuzuHombre4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
2000OldsmobileBravadaFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999ChevroletBlazerAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999GMCJimmyAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999IsuzuHombre4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1999OldsmobileBravadaFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998IsuzuHombre4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1998OldsmobileBravadaFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997ChevroletBlazerAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1997OldsmobileBravadaFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996ChevroletBlazerAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1996OldsmobileBravadaFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995ChevroletAstroAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995ChevroletBlazer4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995ChevroletBlazerAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995ChevroletS104WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995GMCJimmy4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995GMCJimmyAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995GMCSafariAWDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1995GMCSonoma4WDFront OuterFor vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension.
1994ChevroletAstroAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1994ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1994ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1994GMCJimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1994GMCSafariAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1994GMCSonoma4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1994OldsmobileBravadaFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993ChevroletAstroAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993GMCJimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993GMCSafariAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993GMCSonoma4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1993OldsmobileBravadaFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992ChevroletAstroAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992GMCJimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992GMCSafariAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992GMCSonoma4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1992OldsmobileBravadaFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991ChevroletAstroAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991GMCSafariAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991GMCSonoma4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1991OldsmobileBravadaFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990ChevroletAstroAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990GMCSafariAWDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1990Pontiac6000Rear Outerwith 7.25 (in) Ring Gear; with GMC Axle
1989ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1989ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1989GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1989GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1989Pontiac6000Rear Outerwith 7.25 (in) Ring Gear; with GMC Axle
1988ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1988ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1988GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1988GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1988Pontiac6000Rear Outerwith 7.25 (in) Ring Gear; with GMC Axle
1987ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1987ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1987GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1987GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1986ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1986ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1986GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1986GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1985ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1985ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1985GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1985GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1984ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1984ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1984GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1984GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1983ChevroletS104WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1983ChevroletS10 Blazer4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1983GMCS154WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.
1983GMCS15 Jimmy4WDFront OuterManual Transmission Input Shaft Seal fits with 7.25in Ring Gear, GMC Axle, Carrier Unit Independent.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1403958714077041153067105328-14039-587-0

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.