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  3. NATIONAL SX-SFM3

NATIONAL SX-SFM3 Rear Outer Differential Pinion Seal Nv K20

fits make: Chevrolet. year: 1981–1986.

Sx-sfm3 National Rear Outer Differential Pinion Seal For 1981-1986 Chevrolet K20 Nv

( Brand: National ), ( Manufacturer Part Number: SX-SFM3 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C370 38-61 ), ( Placement On Vehicle: Driveline Axles Gaskets Sealing Systems ), ( Compatible Model: K20 Suburban ), ( Compatible Year: 1986 1985 1984 1983 1982 1981 ), ( Core Charge: Free No Core Charge ), ( Position: Rear Outer ), ( Type: Differential Pinion Seal ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Differential Pinion Seal )

Review NATIONAL Rear Outer Differential Pinion Seal For Chevrolet K20 Nv fits 1981–1986

Introducing the National SX-SFM3 Rear Outer Differential Pinion Seal, specifically designed for Chevrolet K20 NV models produced between 1981 and 1986. This premium quality seal is an essential component in maintaining the functionality and longevity of your vehicle's rear differential.

The SX-SFM3 seal is engineered using advanced materials, ensuring a perfect fit and reliable sealing performance. It is manufactured to meet or exceed the original equipment specifications, providing you with the confidence that comes from knowing you're using a genuine replacement part.

This rear outer differential pinion seal features a flexible, yet robust design to effectively prevent leaks and contamination. It is resistant to the harsh conditions that the differential environment can subject it to, including extreme temperatures, pressure, and various fluids.

Installing the National SX-SFM3 Rear Outer Differential Pinion Seal is an easy and straightforward process. It comes pre-lubed to ensure a smooth installation and minimize the need for additional lubrication. Additionally, it is designed to be reusable, reducing the overall cost of maintenance.

By choosing the National SX-SFM3 Rear Outer Differential Pinion Seal for your Chevrolet K20 NV, you're not only ensuring a proper seal and effective differential performance but also investing in the long-term health of your vehicle. This seal is the perfect choice for those who demand quality, durability, and dependability from their automotive components.

Pros and Cons of Buying a National SX-SFM3 Rear Outer Differential Pinion Seal for a 1981-1986 Chevrolet K20 NV

1. Pros:

a. Compatibility: The National SX-SFM3 pinion seal is specifically designed for the rear outer differential on 1981-1986 Chevrolet K20 NV models.

b. Durability: This seal is engineered to provide reliable sealing performance under heavy loads and extreme temperatures.

c. Easy Installation: The National SX-SFM3 pinion seal is designed to be easy to install, reducing the overall labor cost and time.

d. OEM Quality: The seal is manufactured to OEM specifications, ensuring proper fit and function.

2. Cons:

a. Cost: Compared to some aftermarket seals, the National SX-SFM3 seal may be more expensive.

b. Availability: Depending on the location and the parts supplier, it might be difficult to find this specific seal in stock.

Ending Conclusion:

The National SX-SFM3 rear outer differential pinion seal offers several advantages like OEM compatibility, durability, and easy installation. However, its cost and availability may be considered cons for some buyers. Ultimately, if you're looking for a reliable, high-quality seal that fits your Chevrolet K20 NV and provides long-lasting performance, the National SX-SFM3 pinion seal is a solid choice.

Recommendation:

If you're in need of a reliable and durable rear outer differential pinion seal for your 1981-1986 Chevrolet K20 NV, the National SX-SFM3 seal is an excellent option. Despite its higher cost and potential availability issues, the benefits it offers in terms of performance and compatibility make it a worthwhile investment for many vehicle owners.

Details:

National Rear Outer Differential Pinion Seal for 1981 - 1986 Chevrolet K20 nv: Status: In Stock.

part #: sxsfm3 price

  • $20.73

specifications parthick:

  • for makes: Chevrolet
  • for years: 1981-1986
  • brand: National
  • mpn: Sx-sfm3
  • manufacturer warranty: 1 Year
  • ipn: C370 38-61
  • placement on vehicle: Driveline Axles Gaskets Sealing Systems
  • compatible model: K20 Suburban
  • compatible year: 1986 1985 1984 1983 1982 1981
  • core charge: Free No Core Charge
  • position: Rear Outer
  • type: Differential Pinion Seal
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Differential Pinion Seal

shipping parthick:

  • transit: 5-7 Days
  • service: Standard, Expedited
  • type: Fixed
  • cost: $0.00
  • class: Standard, Expedited

seller parthick:

  • city: Indianapolis, Indiana
  • # reviews: 608575
  • rating: 99.3%

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  • policy: Returns Accepted
  • time: 30 Days
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offer parthick:

  • options: Ship-to-home
  • sold: 0
  • quantity: 2
  • availability: In Stock
  • started: December 31, 2025

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general parthick:

  • condition: New
  • Parts Accessories > Car Truck Parts Accessories > Other Car Truck Parts Accessories
for makes: chevrolet, for years: 1981-1986, manufacturer warranty: 1 year, placement on vehicle: driveline axles gaskets sealing systems, compatible model: k20 suburban, compatible year: 1986 1985 1984 1983 1982 1981, core charge: free no core charge, position: rear outer, type: differential pinion seal, fitment type: direct replacement, bundle description: 1 pc genuine national differential pinion seal,
category: auto parts > car truck parts accessories, sku: 13327907944695721,

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