A1800
1/2" (13mm) top width · 70.87" length (1800mm)
Light-duty V-belt. The most common belt profile for fractional horsepower drives and general-purpose applications.
Profile A (metric)
Top width 1/2" (13mm)
Length (IC) 70.87"
Length (mm) 1800mm
Construction Wrapped (smooth)
Brands Gates, Continental, Optibelt, Dayco, Bando
OptibeltSPA1800A section · 70.87" length
In stock
$44.80
Partmatch price
Order 5+ for 5% off · 10+ for 10% off
+ $9.99 shipping · Ships within 2–3 business days
Secure checkout
VisaMastercardAmex
Specifications
| Profile | SPA (metric) |
| Top width | 12.7 mm (1/2" (13mm)) |
| Depth | 10 mm |
| Length | 70.87" (1800 mm) |
| Construction | Wrapped (smooth) |
Why This Match Is Correct
✓Cross-section profile matches (A)
✓Belt length verified (70.87")
✓Top width and depth within standard tolerance
✓Industry-standard interchangeable across brands
Equivalents Across Brands
| Brand | Part Number | Status |
|---|---|---|
| Gates | SPA1800 | Current |
| Continental | SPA1800 | Current |
| Optibelt | SPA1800 | Current |
| Dayco | SPA1800 | Current |
| Bando | SPA1800 | Current |
Common Applications
- Small electric motors
- Fans and blowers
- Centrifugal pumps
- Light compressors
- HVAC systems
- Washing machines
- Dryers
- Exercise equipment
HVACManufacturingConsumer goodsAgriculture