HomeEngine > Gaskets and Sealing SystemsNational 712009 Engine Oil Pump Seal
Part #: 712009

National 712009 Engine Oil Pump Seal

39 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Acura, and Isuzu, Accord, Prelude, CL, Oasis, and Odyssey
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Overview of National 712009 Engine Oil Pump Seal

The National 712009 engine oil pump seal is designed to provide reliable sealing performance for select Acura, Honda, and Isuzu vehicles. Engineered with precision, this oil seal helps maintain proper oil pressure and prevents leaks in critical engine components.

  • Inside diameter: 1.063 inches (27.000 mm)
  • Outside diameter: 1.583 inches (40.200 mm)
  • Thickness: 0.315 inches (8.000 mm)
  • Sealing material: Durable silicone
  • Helix type: Counter-clockwise spiral lip design
  • Housing bore: 1.575 inches (40.000 mm)
  • Compatible with Acura, Honda, and Isuzu models including Accord, CL, Oasis, Odyssey, and Prelude

Technical Details and Material Specifications

The National 712009 oil pump seal features a silicone sealing material known for its resistance to heat and oil degradation, ensuring long-lasting performance in demanding engine environments. The counter-clockwise spiral lip design enhances sealing efficiency by directing oil back into the pump, reducing leakage. With an inside diameter of 1.063 inches and an outside diameter of 1.583 inches, this seal fits precisely within a 1.575-inch housing bore, providing a secure fit on shafts measuring 1.063 inches in diameter. The 0.315-inch thickness balances durability with flexibility to maintain a tight seal under varying engine conditions.

Compatible Vehicles and Applications

This engine oil pump seal is compatible with a range of Acura, Honda, and Isuzu vehicles, specifically models such as the Accord, CL, Oasis, Odyssey, and Prelude. The part number 712009 is designed to meet the specifications required for these vehicles, ensuring proper fit and function in the engine oil pump assembly.

Common Issues Addressed by the National 712009 Oil Pump Seal

  • Prevents oil leaks around the engine oil pump shaft
  • Maintains consistent oil pressure for engine lubrication
  • Reduces risk of engine damage caused by oil contamination or loss
  • Minimizes wear on engine components by ensuring proper sealing
  • Helps avoid costly repairs related to oil pump seal failure

Installation Notes and Tips

When installing the National 712009 oil pump seal, ensure the housing bore and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the counter-clockwise spiral lip design for optimal performance. It is recommended to inspect the shaft for wear or damage before installation and replace if necessary to prevent premature seal failure.

Quality Assurance and Warranty Information

National engine oil pump seals are manufactured to meet industry standards for durability and performance. The 712009 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability.

BrandNational
Part Number712009
Helix TypeCounter-Clockwise-Spiral Lip Design
Housing Bore (Inch)1.575
Housing Bore (MM)40.000
Inside Diameter1.063
Inside Diameter27.000
MaterialSilicone
Outside Diameter1.583
Outside Diameter40.200
Outside Diameter (Inch)1.583
Outside Diameter (mm)40.200
Part DescriptionOil Seal
Sealing MaterialSilicone
Series712000
Shaft (Inch)1.063
Shaft (MM)27.000
Thickness0.315
Thickness8.000
Type32
Unit of DimensionMetric
Width (Inch)0.315
Width (mm)8.000

This part fits 39 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002HondaAccord2.3LL4N/A
2001HondaAccord2.3LL4N/A
2001HondaPrelude2.2LL4N/A
2000HondaAccord2.3LL4N/A
2000HondaPrelude2.2LL4N/A
1999AcuraCL2.3LL4N/A
1999HondaAccord2.3LL4N/A
1999HondaPrelude2.2LL4N/A
1999IsuzuOasis2.3LL4N/A
1998AcuraCL2.3LL4N/A
1998HondaAccord2.3LL4N/A
1998HondaOdyssey2.3LL4N/A
1998HondaPrelude2.2LL4N/A
1998IsuzuOasis2.3LL4N/A
1997AcuraCL2.2LL4N/A
1997HondaAccord2.2LL4N/A
1997HondaOdyssey2.2LL4N/A
1997HondaPrelude2.2LL4N/A
1997IsuzuOasis2.2LL4N/A
1996HondaAccord2.2LL4N/A
1996HondaOdyssey2.2LL4N/A
1996HondaPrelude2.2LL4N/A
1996HondaPrelude2.3LL4N/A
1996IsuzuOasis2.2LL4N/A
1995HondaAccord2.2LL4N/A
1995HondaOdyssey2.2LL4N/A
1995HondaPrelude2.2LL4N/A
1995HondaPrelude2.3LL4N/A
1994HondaAccord2.2LL4N/A
1994HondaPrelude2.2LL4N/A
1994HondaPrelude2.3LL4N/A
1993HondaAccord2.2LL4N/A
1993HondaPrelude2.2LL4N/A
1993HondaPrelude2.3LL4N/A
1992HondaAccord2.2LL4N/A
1992HondaPrelude2.2LL4N/A
1992HondaPrelude2.3LL4N/A
1991HondaAccord2.2LL4N/A
1990HondaAccord2.2LL4N/A

* 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:

052-3714105841902610619026106B5-86204-820-06703171200991233-PT0-0039828-27102NK-086NK-172SZ319-27001

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