Alternator for Case Combines 12V - Replaces AL530X
Alternator for Case Combines 12V - Replaces AL530X
SKU:400-12003
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Buick Alternator
Fits AMX, CONCORD, Concord, EAGLE & More (63 Amp)
Keep your Buick running with this 63 Amp 12V replacement alternator. Designed as a direct-fit replacement for the auto and light truck listed below, it delivers reliable charging for standard and accessory electrical loads.
This unit features an internal regulator (IR).
Key Features
- ✔High Capacity: 63 Amps of charging output.
- ✔Direct Replacement: Replaces AC Delco 321-143.
- ✔Robust Design: IR regulator.
- ✔Quality Assured: New aftermarket unit, 12 month warranty.
Technical Specs
| Voltage: | 12 Volts |
| Amperage: | 63 Amps |
| Rotation: | CW (Clockwise) |
| Regulator: | Internal (IR) |
| Clock: | 3 |
| SKU Reference: | 400-12003 |
Vehicle Fitment Guide
| Make | Equipment Type | Models | Years |
|---|---|---|---|
| American Motors | Auto And Light Truck | AMX, CONCORD, Concord, EAGLE, Eagle, GREMLIN, Gremlin, HORNET, Hornet, Matador, MATADOR, PACER, Pacer, SPIRIT, Spirit | 1975–1983 |
| Buick | Auto And Light Truck | APOLLO, Apollo, CENTURION, CENTURY, Century, ELECTRA, Electra, ESTATE WAGON, Estate Wagon, LESABRE, LeSabre, LESA | 1973–1984 |
OEM Part Number Cross Reference
| AC Delco | 321-143, 321-39, 321-48, 334-2112, 334-2119, 334-2127 |
| Arrowhead | ADR0151, 400-12003 |
| Cargo | 110233, 110502, 110504, 110505, 110508 |
| Delco | 10495382, 1100110, 1100111, 1100116, 1100117, 1100129, 1100135, 1100142, 1100145, 1100148, 1100149, 1100151, 1100155, 1100156, 1100158, 1100159, 1100165, 1100174, 1100198, 1100201, 1100202, 1100204, 1100227, 1100228, 1100230, 1100231, 1100232, 1100266, 1100280, 1100281, 1100297, 1100487, 1100494, 1100498, 1100542, 1100551, 1100552, 1100561, 1100562, 1100564, 1100565, 1100573, 1100575, 1100589, 1100592, 1100593, 1100595, 1100597, 1100830, 1100831, 1100832, 1100852, 1100853, 1100855, 1100861, 1100865, 1100880, 1100890, 1100934, 1100935, 1100949, 1102351, 1102367, 1102368, 1102369, 1102387, 1102394, 1102397, 1102479, 1102480, 1102483, 1102488, 1102492, 1102493, 1102494, 1102495, 1102548, 1102549, 1102550, 1102593, 1102840, 1102841, 1102842, 1102843, 1102844, 1102860, 1102880, 1102881, 1102883, 1102899, 1102901, 1102903, 1102904, 1102905, 1102906, 1102911, 1102913, 1103042, 1103043, 1103044, 1103045, 1103047, 1103048, 1103051, 1103057, 1103058, 1103060, 1103061, 1103065, 1103075, 1103076, 1103082, 1103083, 1103085, 1103087, 1103088, 1103089, 1103094, 1103100, 1103101, 1103102, 1103106, 1103108, 1103109, 1103110, 1103111, 1103112, 1103118, 1103119, 1103121, 1103145, 1103146, 1103148, 1103151, 1103153, 1103154, 1103162, 1103169, 1103186, 1103187, 1103197, 1103199, 1105050, 1105079, 1105360, 1105520, 1105522, 1105556, 1105649, 1105677, 1105704, 1876680, 1976063, 1979858, 1979863, 1979865 |
| J&N Electrical Products | 400-12003, 400-12003R |
| Jeep | 8134663, 8982775004, JR775004 |
| Lester | 7127-3, 7185-3, 7128-3, 7187-3, 7284M, 7836 |
| NSA | ALT-1010A |
| TUG | T6-1211-101-1 |
| WAI | 1-1755-21DR, 1-1755-22DR, 1-1755-23DR, 1-1755-25DR, 1-1755-26DR, 1-1756-21DR, 1-1756-22DR, 1-1756-23DR, 1-1758-21DR, 1-1758-23DR, 1-1758-29DR, 1-1760-21DR, 1-1760-22DR, 20-104 |
Frequently Asked Questions
Will this fit my Buick AMX?
Yes — the AMX appears in the fitment guide above. Check your existing part number against the cross reference table to confirm.
Is this a 63 Amp alternator?
Yes, this is a 63 Amp 12V unit with an IR regulator.
Is this new or remanufactured?
This is a brand new aftermarket unit — not a remanufactured core.
Note: Please verify your machine's serial number or existing part number to ensure compatibility.
Fast shipping available across the UK and Europe.
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