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  3. NATIONAL SX-49B7

NATIONAL SX-49B7 Transfer Mounting Adapter Seal V3500

fits model: Cr. make: Chevrolet. year: 1989–1991.

Sx-49b7 National Transfer Case Mounting Adapter Seal For 1989-1991 Chevrolet V3500 Cr

( Brand: National ), ( Manufacturer Part Number: SX-49B7 ), ( Type: Transfer Case Mounting Adapter Seal ), ( Ipn: C521 58-37 ), ( Item Length: 2.750 ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Transfer Case Gaskets Sealing Systems ), ( Compatible Model: V3500 ), ( Compatible Year: 1991 1990 1989 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Transfer Case Mounting Adapter Seal )

Review NATIONAL Transfer Case Mounting Adapter Seal For Chevrolet V3500 fits CR 1989–1991

Introducing the National SX-49B7 Transfer Mounting Adapter Seal, specifically designed for the Chevrolet V3500 CR engines manufactured between 1989 and 1991. This essential component is an indispensable part of the engine cooling system, ensuring a tight seal between the transmission and engine to prevent the leakage of engine coolant.

The National SX-49B7 Transfer Mounting Adapter Seal is crafted from high-quality materials, ensuring durability and reliability. The seal is engineered with a flexible yet robust design, capable of withstanding the extreme pressures and temperatures encountered within the engine compartment. This seal is designed to provide an effective seal against coolant leakage, maintaining optimal engine performance and cooling efficiency.

This transfer mounting adapter seal features an O-ring design, ensuring a perfect fit and a tight seal around the transmission mounting adapter. The O-ring is made from a premium, heat-resistant material, allowing it to withstand the high temperatures encountered within the engine compartment while maintaining its flexibility.

The National SX-49B7 Transfer Mounting Adapter Seal is an easy-to-install component. It comes packaged with clear installation instructions, making the replacement process straightforward for most do-it-yourself mechanics. The seal is designed to be a direct replacement for the original equipment, ensuring a hassle-free installation experience.

In summary, the National SX-49B7 Transfer Mounting Adapter Seal is a crucial component for maintaining the cooling system and overall performance of your 1989-1991 Chevrolet V3500 CR engine. Its high-quality materials, robust design, and easy installation make it an essential addition to your engine maintenance arsenal.

Buying a National SX-49B7 Transfer Mounting Adapter Seal for a 1989-1991 Chevrolet V8 3500: Pros, Cons, and Conclusion

The National SX-49B7 Transfer Mounting Adapter Seal is a crucial component in the powertrain of a 1989-1991 Chevrolet V8 3500. This seal helps prevent transmission fluid leakage, ensuring the proper functioning of the vehicle's powertrain. In this article, we will discuss the pros and cons of buying this seal and provide a conclusion with a recommendation.

Pros:

1. Leak Prevention: The primary advantage of this seal is its ability to prevent transmission fluid leaks, which can be costly and time-consuming to repair if left unattended.

2. Easy Installation: The National SX-49B7 Transfer Mounting Adapter Seal is relatively easy to install. Most users report that the process takes around 30 minutes to an hour, making it a convenient solution for those who prefer DIY repairs.

3. OEM Quality: This seal is manufactured by National, a reputable automotive parts supplier, ensuring that it meets OEM (Original Equipment Manufacturer) specifications.

4. Cost-Effective: Compared to the cost of a professional repair, purchasing and installing this seal can save vehicle owners a significant amount of money.

Cons:

1. Availability: This seal may not be readily available at local auto parts stores, making it necessary to order it online or from a specialty shop.

2. Specificity: This seal is designed for specific model years and engine types of Chevrolet V8 3500 vehicles. Ensure that you order the correct part number to avoid any compatibility issues.

Conclusion:

The National SX-49B7 Transfer Mounting Adapter Seal is a worthwhile investment for 1989-1991 Chevrolet V8 3500 owners experiencing transmission fluid leaks. Its ease of installation, OEM quality, and cost-effectiveness make it a desirable solution compared to professional repairs. However, its limited availability and specificity to certain model years and engine types are potential drawbacks.

Recommendation:

If you're experiencing transmission fluid leaks on your 1989-1991 Chevrolet V8 3500 and are comfortable with DIY repairs, consider purchasing the National SX-49B7 Transfer Mounting Adapter Seal. Ensure that you order the correct part number and have the necessary tools on hand for installation. If you're unsure about the installation process or prefer professional repairs, consult a certified mechanic for assistance.

Details:

National Transfer Case Mounting Adapter Seal for 1989 - 1991 Chevrolet V3500 Cr: Status: In Stock.

part #: sx49b7 price

  • $10.97

specifications manutransmission:

  • for models: Cr
  • for makes: Chevrolet
  • for years: 1989-1991
  • brand: National
  • mpn: Sx-49b7
  • type: Transfer Case Mounting Adapter Seal
  • ipn: C521 58-37
  • item length: 2.750
  • manufacturer warranty: 1 Year
  • placement on vehicle: Transfer Case Gaskets Sealing Systems
  • compatible model: V3500
  • compatible year: 1991 1990 1989
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Transfer Case Mounting Adapter Seal

offer manutransmission:

  • availability: In Stock
  • options: Ship-to-home
  • started: March 30, 2026
  • quantity: 5
  • sold: 0

seller manutransmission:

  • city: Indianapolis, Indiana
  • # reviews: 638766
  • rating: 99.6%

shipping manutransmission:

  • cost: $0.00
  • class: Standard, Expedited
  • type: Fixed
  • service: Standard, Expedited
  • transit: 3-6 Days

payments manutransmission:

  • wallet: Apple-pay
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  • credit card: Visa

returns manutransmission:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

general manutransmission:

  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
  • condition: New
for models: cr, for makes: chevrolet, for years: 1989-1991, type: transfer case mounting adapter seal, item length: 2.750, manufacturer warranty: 1 year, placement on vehicle: transfer case gaskets sealing systems, compatible model: v3500, compatible year: 1991 1990 1989, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine national transfer case mounting adapter seal,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 11986558154571892,

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