- Poly Rib or Poly Cog Serpentine Belt
- Designed for power transmission on multiple-accessory drives
- POLY COG GOLD LA
- Effective Length: 72.1"
- Top Width: 1.65"
- No. of Ribs: 12
- Manufacturer: Dayco
- Part Number: 5120720
- Also Known As:
- Metric 12PK1830
- Gates K120720
- Napa 25-120720
- Napa 25120720
- Goodyear 4120720
- Bando 12PK1828
- 720K12 K
- For use with:
- Transit Buses
- Buses
- Semi Truck
- Heavy Duty Truck
- Tractor Trailer Trucks
- John Deere
- 2004-2007 Model 7300
- 2008 Model 7350
- 2008-2009 Model 9870 STS
- Gillig Bus
- 1994-1999 Phantom 96TB, Detroit Diesel Series 50,
- New Flyer Bus
- 1996-1999 models C35LF, Detroit Diesel Series 50
- 2001 Model C40LF
- 1995 D40LF
- Prevost Bus
- 1999 Model Vantare, Detroit Diesel Series 60
- Marcopolo
- 1996 Model Viaggio 1000
- Neoplan
- 1984-2001
- 1995 Citiliner