139T 1-1/8" Drive Belt 40024-04 for Harley 2006 FLHX FLHXI EFI Street Glide
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
139T 1-1/8" Drive Belt 40024-04 for Harley 2006 FLHX FLHXI EFI Street Glide
This 139T 1-1/8" drive belt, cross-referencing OEM part number 40024-04, is a direct replacement for the primary drive system on a 2006 Harley-Davidson FLHX and FLHXI EFI Street Glide. It transmits power from the engine to the transmission with precise, reliable engagement.
Overview
This 139T 1-1/8" drive belt is a high-strength replacement component designed for 2006 Harley-Davidson FLHX and FLHXI EFI Street Glide models. It maintains proper tension and alignment for smooth, consistent power delivery during every ride. The belt is built to match the exact tooth count and width of the original 40024-04 part.
Built For Performance
- 139 teeth with a 1-1/8 inch width for exact OEM fitment
- Reinforced rubber construction resists stretching and wear
- Cross-references OEM part number 40024-04 for dependable replacement
- Precision-molded teeth ensure quiet, positive engagement
- Designed to handle high torque output from EFI engine configurations
Fits These Machines
- for Harley 2006 FLHX Street Glide
- for Harley 2006 FLHXI Street Glide EFI
On-The-Job Use
- Highway touring and long-distance cruising
- Daily commuting in varied weather conditions
- Replacement during scheduled primary drive maintenance
Specs At A Glance
| Belt Teeth | 139 |
| Belt Width | 1-1/8 inches |
| Part Number(s) | 40024-04, 139T |
Good To Know
Q: How do I know this belt fits my 2006 Street Glide? A: This belt is specifically designed for 2006 FLHX and FLHXI models with EFI engines, and the 139-tooth count matches the original drive belt spec for those bikes.
Q: What symptoms indicate I need a new drive belt? A: Visible cracks, fraying, or a loose fit that causes slipping or vibration during acceleration are common signs that the belt should be replaced with this 40024-04 equivalent.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.