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Valeo 105 amp.  Q11-023  is 125 amp. Idenafix: Coils proximity can cause volt reg spikes. 2 pin volt.reg. (M540) at 11 o’ clock.                        Pulleys non interchangeable with other units. $109.00               $70.00 core

DR44G family. 150 amp.                                                         3 bolt pad mount. 2 pin volt. reg.(T3002) at 1 o’clock.                        

DR44G family. 150 amps. Interchangeable as a unit with Q82-90 but internal parts differ. 3 bolt pad mount. 4 pin volt.reg (T3004).                                                              Easy to ID

AD 244. 145 amp.                                                         Visual ID by black metal strip between 2 aluminum plates 4 pin volt.reg. (T4622) at 2 o’clock.            

AD244. 150 amps. Pad mounts.                                                     4 pin volt. reg. at 1 o’clock. Approx. OD pulley diameter 2 5/8″.                      

AD230. 105 amp. 6 groove pulley.                                                                                      T3673 or D198 volt. reg. $99.00  

This is also known as Q82-86. AD 237. 125 amp. Intercahnges with Q82-86. Looks like several others but different volt. reg. Volt. reg. T 3633 or D198 designed for remote battery location. $99.00                             $50.00 core

Newer version of Q64-91. Same as Q67-83 but with weather-tite plug in. Nose has no support webs. External bolts                                                                        

2005 or newer version of Q64-91 (pg260D) but external bolts are at a different location. Nose cone has no support webs. Flat back. External bolts at 3 & 9 o’clock. Torx screws at 2 & 8 o’ clock. $89.00                    $50.00 core

PG 260D. 9 tooth bendix.                                                  Used on Silverado engines. External bolts.