JAMES GASKET MN-BW4S Starter Shaft Oil Seal Fxsb Dg MN/BW4S

( Brand: James Gasket ), ( Manufacturer Part Number: MN/BW4S ), ( Compatible Year: 1984 1983 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxsb Low Rider Belt ), ( Bundle Description: 1 Pc Genuine James Gasket Starter Shaft Oil Seal ), ( Type: Starter Shaft Oil Seal ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review JAMES GASKET Mn/bw4s Starter Shaft Oil Seal Harley Davidson Fxsb Low Dg fits 1983–1984

Introducing the James Gasket MN/BW4S starter shaft oil seal for the 1983-1984 Harley-Davidson FXSB DG models. This essential component is designed to seal the gap between the starter shaft and the engine crankcase, preventing oil leakage and ensuring a proper seal between these two critical parts.

The James Gasket MN/BW4S starter shaft oil seal is meticulously crafted from high-quality materials to provide superior sealing performance and longevity. Its cross-section shape is specifically engineered to fit the Harley-Davidson FXSB DG models' starter shaft, ensuring a precise fit and optimal sealing efficiency.

This oil seal features an O-ring design that provides an additional layer of sealing, enhancing its ability to prevent oil leaks. The O-ring's elasticity allows it to expand and contract with the engine's movement, maintaining a tight seal even under varying conditions.

The James Gasket MN/BW4S starter shaft oil seal is an excellent choice for Harley-Davidson enthusiasts seeking to restore their motorcycles to their former glory or for those looking to upgrade their existing oil seals for enhanced performance and durability.

Installing the James Gasket MN/BW4S starter shaft oil seal is a straightforward process, requiring only basic hand tools. Replacing a faulty or worn-out seal with a new one can help eliminate oil leaks and prolong the life of your engine, ultimately saving you time and money in the long run.

In summary, the James Gasket MN/BW4S starter shaft oil seal is a crucial upgrade for any 1983-1984 Harley-Davidson FXSB DG owner. Its high-quality materials, precise fit, and efficient sealing design make it an excellent choice for those seeking to maintain or restore their motorcycle's performance and reliability.

Buying a James Gasket MN/BW4S Starter Shaft Oil Seal for a 1983-1984 Harley-Davidson FXSB DG: Pros, Cons, and Conclusion

The James Gasket MN/BW4S starter shaft oil seal is a popular choice among Harley-Davidson FXSB DG (Softail Deluxe) owners for addressing starter shaft oil leak issues. In this analysis, we'll discuss the pros and cons of purchasing this part to help you make an informed decision.

1. OEM-quality replacement: James Gasket is a well-known manufacturer of Harley-Davidson parts, and their MN/BW4S starter shaft oil seal is designed to be an exact replacement for the stock part.

2. Fixes a common problem: This oil seal is primarily purchased to address a common issue in Harley-Davidson FXSB DG motorcycles where the stock oil seal leaks, causing oil loss and potential engine damage.

3. Improves reliability: By replacing the faulty stock part with a new, high-quality seal, you can prevent further oil leaks and ensure the long-term reliability of the starter shaft and engine.

1. Cost: The James Gasket MN/BW4S starter shaft oil seal is priced higher than some aftermarket alternatives. This might make it an unattractive option for budget-conscious riders.

2. Installation complexity: Installing the new oil seal can be a time-consuming and labor-intensive process, requiring the removal of the transmission and starter shaft. This may necessitate the assistance of a professional mechanic, adding to the overall cost.

The James Gasket MN/BW4S starter shaft oil seal offers several advantages, including OEM quality and reliability, but it comes with a higher cost and installation complexity. Ultimately, the decision to purchase this part depends on your budget, technical skills, and the severity of the oil leak issue in your Harley-Davidson FXSB DG motorcycle.

If you're experiencing a persistent oil leak from your starter shaft and are concerned about the potential engine damage, it's recommended that you invest in a high-quality replacement part like the James Gasket MN/BW4S starter shaft oil seal. This will ensure the long-term reliability of your motorcycle and prevent further damage. If you're on a tight budget, consider researching alternative aftermarket options, but be aware that they may not offer the same level of quality and reliability as an OEM replacement.

part # mnbw4s price

• $59.27

specifications ignitioncompo:

• for makes: Harley, Davidson
• for years: 1983-1984
• brand: James Gasket
• manufacturer part number: MN/BW4S
• compatible year: 1984 1983
• compatible make: Harley Davidson
• compatible model: Fxsb Low Rider Belt
• bundle description: 1 Pc Genuine James Gasket Starter Shaft Oil Seal
• type: Starter Shaft Oil Seal
• core charge: Free No Core Charge
• fitment type: Direct Replacement

general ignitioncompo:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
• condition: New

payments ignitioncompo:

• credit card: Mastercard
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offer ignitioncompo:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: April 18, 2026
• availability: In Stock

shipping ignitioncompo:

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

seller ignitioncompo:

• rating: 99.2%
• # reviews: 21283

returns ignitioncompo:

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

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