THIS IS A LOT OF 2 REGULATORS PREMIUM VOLTAGE REGULATOR MADE BY TRANSPO HEAVY DUTY ADJUSTIBLE VOLTAGE VERSION ENCAPSULATED FOR MOISTURE PROTECTION. Please confirm your old parts info before ordering.. We are glad to answer any questions you may have. Features:   •  100% New Transpo ADJUSTABLE VOLTAGE VERSION •  Solid state circuit Used On:   Chrysler (1970-1987) , Dodge (1970-1987) , Plymouth (1970-1987) , White (1972-1976) Replaces:   Chrysler 3438150, 3755850, 3755960, 3874520, 4091050, 4111990, 5234625, CH-537, CH-543, CH-544, CH-545, Delco C-603, Ford GRE538, Lucas Industries NCB700, VR505, Prestolite 8-371 Unit Nos:   Chrysler 3438165, 3438168, 3438174, 3438176, 3438177, 3438178, 3438179, 3438180, 3438183, 3438184, 3438701, 3438702, 3438703, 3438704, 3438803, 3438804, 3438806, 3438807, 3438809, 3438811, 3438812, 3438813, 3438841, 3438843, 3438844, 3438846, 3438847, 3579222, 3579224, 3621853, 3621861, 3621862, 3621867, 3656217, 3656218, 3656219, 3656448, 3656449, 3656450, 3656451, 3656455, 3656456, 3656459, 3656471, 3656513, 3656570, 3656614, 3656615, 3656645, 3656711, 3656713, 3752230, 3755190, 3755191, 3755192, 3755193, 3755230, 3755403, 3755404, 3755405, 3755406, 3755407, 3755411, 3755412, 3755413, 3755414, 3755441, 3755444, 3755447, 3755585, 3780588, 3780589, 3837163, 3837164, 3874296, 3874695, 3874696, 3874697, 3874698, 3874699, 3874700, 3874701, 3874727, 3874728, 3874729, 3874730, 3874776, 3874777, 3874992, 3895326, 3895641, 4091002, 4091460, 4091461, 4091563, 4091564, 4091565, 4091566, 4091568, 4091569, 4091572, 4091647, 4091727, 4091727, 4091795, 4111204, 4111226, 4111928, 4111944, 4121101, 4176002, 4176004, 4176006, 4176007, 4176094, 4176206, 4226432, 4240441, 4240443, 4289689, 4289975, 5206571, 5206573, 5206574, 5206820, 5206822, 5206971, 5212053, 5213053, 5213079, 5213540, 5213541, 5213762, 5213763, 5226135, 5226457; Delco 10463282, 10463292; Volvo 3579222, 3579224 Lester Nos:   7015, 7024, 7505, 7509, 7521, 7537, 7546, 7549