JAMES GASKETS SKU: 681-4675

James Gaskets Main Drive Gear Gasket 4-Speed - Harley FL & FX

$11.50
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About James Gaskets

James Gaskets has supplied American V-twin gaskets, seals and O-rings for decades and is one of the most widely stocked names for Harley-Davidson engine, primary and transmission rebuilds. When a service manual calls for a specific gasket, James almost always has an exact-fit answer.

Maintain the integrity of your classic Harley 4-speed transmission with this James Gaskets main drive gear gasket. Crucial for preventing leaks, this gasket is an OEM-specification replacement, ensuring a precise fit and reliable seal for your FL or FX model. It's built with modern manufacturing techniques to deliver dependable performance.

Why riders pick this

  • OEM-specification main drive gear gasket
  • For 4-speed FL and FX transmissions
  • Made in the U.S.A
  • Utilizes state-of-the-art materials
  • Direct replacement for classic Harley models

For riders of classic Harley FL and FX models equipped with a 4-speed transmission, a reliable main drive gear gasket is essential. James Gaskets provides this critical component, manufactured in the U.S.A. with state-of-the-art materials and production methods. This ensures that while it's an aftermarket part, it meets the exacting standards required for your V-twin's transmission, preventing fluid loss and maintaining optimal operation.

Reliable Sealing for Classic Transmissions

  • OEM-specification replacement for 4-speed FL and FX transmissions
  • Manufactured in the U.S.A. using modern gasket technology
  • Designed for a precise fit at the main drive gear interface
  • Helps prevent transmission fluid leaks

Ensuring Drivetrain Longevity

When you're working on a vintage Harley, using quality components like this James Gaskets main drive gear gasket is key to preserving its original performance. This gasket is a direct fit for the main drive gear, ensuring proper sealing during transmission rebuilds or maintenance. It's an important step in keeping your Electra Glide, Super Glide, or Fat Bob running strong without the worry of unexpected leaks.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 37741-82-A
  • Length: 2.75 in
  • Width: 4 in
  • Height: 0.5 in
  • Weight: 0.047 lbs

Common questions

What specific transmissions does this gasket fit?

This gasket is designed for 4-speed FL and FX V-twin transmissions on Harley-Davidson models. Please verify your transmission type before ordering.

Is this a genuine Harley-Davidson OEM part?

No, this is an OEM-specification replacement gasket manufactured by James Gaskets, providing equivalent performance at an aftermarket value.

Where is this gasket manufactured?

This gasket is proudly made in the U.S.A. by James Gaskets, utilizing modern manufacturing processes.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4675
WEIGHT0.05 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
5
14 RATINGS
5★ 14
4★ 0
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Oct 1, 2023

Excellent set

Excellent set for the price, easy to install, very durable products. I would recommend this set 10/10

— Eric S
✓ VERIFIED
Sep 11, 2023

Good quality

Breaking engine in right now and everything is holding tight. Very pleased

— Hawk R
✓ VERIFIED
Aug 28, 2023

Gasket set

Great gasket set, includes everything you need to reseal top end.

— James N
✓ VERIFIED
Jul 31, 2021

Quality parts in a timely manner

— Anonymous
✓ VERIFIED
Mar 29, 2021

Fit like it should, super quick shipping

— Anonymous
✓ VERIFIED
Mar 21, 2021

Gasket set seems to be of good quality. Everything fit just like oem gaskets and seals but made better lol. So far so good, Everything is nice a dry now.

— Anonymous