44903-05 NEW OEM 1999 AND NEWER HARLEY-DAVIDSON FXSTB/I DIAMONDBACK BRAKE LINE
NEW OEM 1999+ Harley-Davidson Softail Night Train FXSTB / FXSTBI Diamondback Brake Line
Harley-Davidson P/N 44903-05 – Brand New in Original Factory Packaging
- ✓ Genuine Harley-Davidson OEM Part — Factory-spec brake line for correct fit and performance (not aftermarket).
- ✓ Diamondback Construction — Premium braided stainless design for crisp lever feel and improved durability.
- ✓ Model-Specific Fit — Engineered for 1999 and newer Softail Night Train FXSTB / FXSTBI (verify exact setup).
- ✓ Direct Replacement — Built to OEM length and routing for hassle-free installation.
- ✓ Brand New in Original Harley-Davidson Package — Clean, unused, and ready to install.
- ✓ Part Number: 44903-05 — Use to confirm compatibility with your VIN before purchase.
Product Overview
Upgrade stopping confidence and retain factory correctness with this NEW OEM Harley-Davidson Diamondback Brake Line for the Softail Night Train (FXSTB / FXSTBI). The braided stainless Diamondback construction helps maintain consistent hydraulic pressure and a firmer lever feel, while preserving the authentic Harley look and fitment.
Specifications
- Condition: New (OEM)
- Brand: Harley-Davidson
- OEM Part Number: 44903-05
- Application: Front brake line (Diamondback braided stainless)
- Fitment: 1999 and newer FXSTB / FXSTBI Softail Night Train
- Packaging: Original Harley-Davidson factory package
✅ Fitment Guidance
Designed for 1999+ Softail Night Train (FXSTB / FXSTBI).
Bar height, master cylinder, and caliper variations can affect line length and banjo angles —
always verify with your VIN and OEM P/N 44903-05 before purchase.
Why Choose OEM?
- ✓ Exact Fitment & Routing — No guesswork on length, fittings, or sealing washers
- ✓ Consistent Quality — Materials and tolerances meet Harley-Davidson specs
- ✓ Factory Look — Keeps your bike original and helps preserve resale value
Buy With Confidence
This is a hard-to-find genuine Harley-Davidson Diamondback line — ideal for restoring smooth, reliable braking on your Softail Night Train.
Add to Cart Now — Secure your OEM Diamondback Brake Line (P/N 44903-05) while it’s available!