This should help ya out. Saved my butt when I needed the right size belt.

Underdrive Pulley Belt Sizes




Lorenzo wrote:

AFX UDP
95-99 Neons
PS and AC Belts Bando 2455 Dayco 15455 Gates 7455
PS only Belt Bando 2375 Dayco 15375 Gates 7375
Alt Belt Bando 4PK7745 Dayco 5040305 Gates K040305

Cosmo Racing UDP




RadarLove wrote:

Alt belt is Dayco 5040310/Gatorback 4040310 (31 inch belt)




nemi wrote:

If you are running power steering only the belt it Dayco 17400-13A1015




Lee wrote:

AC/PS 7/16" x 45-1/2" V belt Napa Part no. 7455
Alt. 9/16" x 32-1/4" Napa Part no. 040315


MPX UDP
95-99
PS and AC Belts - 15460
Alt Belt - 320K4 (Reversed the numbers, MP lists them backwards.)
PS ONLY GATES 5040420 DAYCO 15380




Vinny wrote:

with Deyeme Racing/Adam K alternator ODP
Alternator belt:
Dayco 5040305
Gates K040305

TTI UDP
95-99 Neons
PS and AC Belt - 17450
Alt Belt - 305K4
Alt Belt WITH Deyeme Racing/Adam K ODP - 295K4
P/S Only Belt Dayco-15358

Unorthodox Racing UDP
95-99
Alternator - Gates K040320
PS and AC - Gates 7460
PS only - Gates 7380


Megan UDP




mnmattie wrote:


Megan UDP
Dayco 5040320 for the alt
Dayco 15460 for A/C and P/S

 

thats the one...i love it and was well worth the money

go to ebay and type in sumthing along the lines of neon harmonic balancer puller


i have the megan racing underdrive pulley and i used a 040325 belt from napa from the alternator....and 15380 from farm and fleet for the powersteering