JAMES GASKETS SKU: 681-4421

James Gaskets Big Twin Gasket Kit - Screw Fork Drain Dyna FXR 39mm KIT 45790-80… — Harley-Davidson (1994-1999)

$9.50
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James Gaskets Big Twin gasket kit for screw fork drain maintenance on Dyna and FXR models equipped with 39mm forks. Complete seal set for fork oil service and drainage system replacement.

Features

  • Screw fork drain gasket
  • 39mm fork compatible
  • Big Twin models (Dyna and FXR)

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 45790-80-CS
  • Length: 3.65 in
  • Width: 4.2 in
  • Height: 0.9 in
  • Weight: 0.024 lbs

Fitment

Fits Harley-Davidson Dyna and FXR Big Twin models with 39mm forks and screw-type fork drain systems.

Frequently Asked Questions

Will this fit my FXR with 39mm forks?

Yes — this kit is designed specifically for FXR and Dyna models running 39mm fork tubes with screw-drain forks.

Does this work with 41mm or 43mm forks?

No — this gasket kit is sized for 39mm forks only. Verify your fork diameter before ordering.

What's included in the kit?

Complete gasket set for the screw fork drain system, ready for fork oil service and maintenance.

Do I need any special tools to install?

Installation requires basic fork service tools and familiarity with fork drain removal — consult your service manual for detailed steps.

BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4421
WEIGHT0.02 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