Belt Accessories and part numbers 

1-1/2in Low Profile

Tensioner Car Quest #999721A $65.10
water pump Car Quest #58-662 $120.57
Idler pulley Car quest #89015 $14.91
Alternator bracket GM #92067034
Alternator 2 pin Car Quest #11418A $161.16
Alternator 4 pin connector Car Quest #13969CPA $149.43

2-1/4in mid profile

Tensioner Car Quest 999360A $44.99
​water pump Car Quest #58-563 $117.87
Idler pulley Car quest # 89015 $14.91
Alternator bracket GM 12563327 $72.14
Alternator Car Quest #8242-5A $153.56
​Serpentine belt Car Quest #5060548 $19.06
A/C Belt O'reillys #K040335

3in high profile

Tensioner  Gates Part # SX7351 $134.40
​water pump AC deco Part #252-975 $138.62
Idler pulley Car quest #89015 $14.91
Alternator bracket GM Part #12610789 $37.43
Alternator 2 pin connector  Car quest #11486A $299.00
Alternator 4 pin connector Car Quest #13969CPA $149.43
Serpentine Belt Masterpro Part #K060598 $20.11