BELT SLIPPING, SQUEALING OR WORN?
A17/4L190 HVAC V-Belt — Restores Fan & Equipment Drive
Wrapped A-section / 4L drive belt for compatible fans, blowers, pumps and equipment drives.
A17 / 4L19019" Outside Length1/2" Top Width40° Profile
Fitment rule: No manufacturer-published model-level list was verified. Match the complete A17/4L190 marking, 1/2-inch profile and 19-inch outside length—not equipment type alone.
Verified Cross-Reference Information
Industry NumbersA17, 4L190
BrowningY9776 / 4L190
Greenheck345508 / 4L190R
Dimensional FHP EquivalentGates 6819 / 4L190K
Important: The Gates FHP number is a dimensional equivalent. Cover, cord and duty construction can differ from a wrapped classical belt.
Size & Application Data
Outside Length19" / 483 mm
Top Width1/2" / 12.7 mm
Nominal HeightApproximately 5/16" to 11/32", depending on product line
IncludedOne new wrapped drive belt
Common Problems This Belt May Correct
- Startup squeal, chirp or belt slip
- A fan, blower or pump running slowly
- Black belt dust around the sheaves
- A cracked, glazed, stretched or frayed belt
Check Before Ordering
- Read the complete number printed on the old belt.
- Confirm the 1/2-inch A/4L profile and 19-inch outside length.
- Inspect sheaves for worn or widened grooves.
- Check alignment, bearing drag and belt tension.
Pro Tip: Correct worn sheaves, misalignment or failing bearings before installing the new belt.
Installation Notes
- Disconnect and lock out power.
- Release tension according to the service manual.
- Do not pry the belt over a pulley.
- Align sheaves and set specified tension.
- Rotate by hand, reinstall guards and test.
Frequently Asked Questions
Are A17 and 4L190 the same nominal size?
They are commonly dual-designated for this 1/2-inch, 19-inch outside-length size. Construction can still differ by product line.
✓ Model-Specific Repair Pages
Buy Online Pick Up In-Store
Address
101 Trillium Dr
Kitchener, Ontario N2E 1W8
Kitchener, Ontario N2E 1W8
Phone
Hours
Mon–Fri 9 AM–5 PM • Sat 9 AM–1 PM
