991666 Transmission countershaft XL
incl. VAT
Chapter members save 15% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- MCS
- Part Number
- 991666
- OEM Reference
- 35641-89
- Pack Quantity
- Each
- Category
- Countershafts
- VAT Rate
- 20%
About This Product
This transmission countershaft from MCS is an essential replacement part for maintaining the integrity of your Sportster's gearbox. It is engineered to meet the same standards as the factory original, serving as a direct replacement for OEM reference 35641-89. This countershaft is designed to fit 1991 through 2005 5-speed XL Sportster models. During a comprehensive transmission overhaul, checking the countershaft for wear or damage is vital for long-term reliability. This part ensures that your gear clusters remain properly supported and aligned, preventing premature wear and ensuring crisp shifts. It is a reliable choice for any workshop project involving the five-speed drivetrain of these popular Evolution-era Sportsters.
Manufacturer part number: 991666.
Fitment
10 models91-05 5-speed XL Sportster
Sportster 10 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1996–2005 | Sportster 1200 Custom XL1200C |
| Harley-Davidson | 2004–2005 | Sportster 1200 Roadster XL1200R |
| Harley-Davidson | 1996–2003 | Sportster 1200 Sport XL1200S |
| Harley-Davidson | 1991–2003 | Sportster 1200 XL1200 |
| Harley-Davidson | 1998–2005 | Sportster 883 Custom XL883C |
| Harley-Davidson | 1991–1995 | Sportster 883 Deluxe XL883DLX |
| Harley-Davidson | 1991–2003 | Sportster 883 Hugger XL883HUG |
| Harley-Davidson | 1991–2005 | Sportster 883 XL883 |
| Harley-Davidson | 2002–2005 | Sportster 883R XL883R |
| Harley-Davidson | 2005 | Sportster XL883 Low XL883L |
Related Products
View all →
More from MCS
View all →
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.