A1409 12V 61A Alternator Fits John Deere JD544-B, John Deere JD644-B

Description

A1409 Replacement Alternator

Choose a replacement by comparing the A1409 alternator and its Lucas reference, LRA01409, with your existing unit. The listed electrical rating is 12V 61A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected John Deere JD544-B 6784ccm Diesel variants.

Key Features and Benefits

• 12V electrical system: match the vehicle voltage before selecting a unit.
• 61A output: compare the listed rating with the original alternator.
• Lucas LRA01409 reference: a starting point for identifying the replacement.
• SKU A1409: use this code when requesting parts support.

Compatible Vehicles and Applications

• John Deere JD544-B 6784ccm Diesel – selected applications 1975–1982 (engine code John Deere).
• John Deere JD644-B 8702ccm Diesel – selected applications 1975–1982 (engine code John Deere).
• Massey Ferguson Tractor 1135 5797ccm Diesel – selected applications 1974–1978 (engine code Perkins AT6.3541).
• Massey Ferguson Tractor 1155 8849ccm Diesel – selected applications 1974–1978 (engine code Perkins AV8.540).

These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.

OE Numbers and Cross-Reference Information

The following cross-reference numbers are associated with A1409. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.

0986CN0335, 0986CR0335, 0986CR0336, 0986CR0337, 0986UN0335, 0986UR0335, 0986UR0336, 0986UR0343, F042300007, F042300008, F042512253, F042A00008, LRA01409, LRA01214, LRA01219, LRA01267, LRA01285, LRA1214, LRA1219, LRA1267, LRA1285, LRA1409, 10459509, 10463147, 10463396, 10463445, 10495382, 1100109, 1100110, 1100111, 1100113, 1100115, 1100116, 1100117, 1100118, 1100119, 1100120, 1100121, 1100122, 1100123, 1100124, 1100125, 1100127, 1100128, 1100129, 1100130, 1100133, 1100135, 1100136, 1100137, 1100138, 1100139, 1100140, 1100141, 1100142, 1100143, 1100144, 1100145, 1100146, 1100147, 1100148, 1100149, 1100150, 1100151, 1100152, 1100153, 1100154, 1100155, 1100156, 1100157, 1100158, 1100159, 1100162, 1100163, 1100164, 1100165, 1100166, 1100167, 1100168, 1100170, 1100174, 1100179, 1100181, 1100182, 1100196, 1100197, 1100198, 1100199, 1100201, 1100202, 1100203, 1100218, 1100234, 1100236, 1100238, 1100256, 1100280, 1100281, 1100292, 1100294, 1100297, 1100323, 1100481, 1100485, 1100486, 1100487, 1100490, 1100491, 1100492, 1100493, 1100494, 1100495, 1100496, 1100497, 1100498, 1100542, 1100544, 1100546, 1100547, 1100548, 1100549, 1100550, 1100551, 1100552, 1100554, 1100559, 1100560, 1100561, 1100562, 1100564, 1100565, 1100573, 1100574, 1100575, 1100579, 1100580, 1100581, 1100582, 1100583, 1100584, 1100585, 1100587, 1100588, 1100589, 1100592, 1100593, 1100595, 1100596, 1100597, 1100598, 1100798, 1100800, 1100801, 1100825, 1100826, 1100830, 1100831, 1100832, 1100833, 1100852, 1100853, 1100854, 1100855, 1100859, 1100861, 1100865, 1100880, 1100882, 1100884, 1100890, 1100897, 1100899, 1100901, 1100902, 1100903, 1100904, 1100911, 1100920, 1100923, 1100924, 1100925, 1100926, 1100927, 1100928, 1100929, 1100930, 1100934, 1100935, 1100936, 1100937, 1100946, 1100948, 1100949, 1101015, 1101192, 1101203, 1101222, 1101240, 1101282, 1101521, 11015711, 1102050, 1102151, 1102311, 1102343, 1102346, 1102347, 1102349, 1102350, 1102351, 1102352, 1102354, 1102355, 1102356, 1102358, 1102359, 1102361, 1102362, 1102363, 1102364, 1102367, 1102368, 1102369, 1102375, 1102380, 1102381, 1102382, 1102383, 1102384, 1102385, 1102386, 1102387, 1102390, 1102391, 1102392, 1102394, 1102395, 1102397, 1102455, 1102457, 1102460, 1102461, 1102462, 1102465, 1102466, 1102467, 1102468, 1102471, 1102472, 1102473, 1102474, 1102476, 1102477, 1102478, 1102479, 1102480, 1102481, 1102482, 1102483, 1102485, 1102486, 1102488, 1102489, 1102490, 1102491, 1102492, 1102493, 1102494, 1102495, 1102497, 1102498, 1102499, 1102500, 1102548, 1102549, 1102550, 1102578, 1102581, 1102593, 1102839, 1102840, 1102841, 1102842, 1102843, 1102844, 1102847, 1102849, 1102850, 1102851, 1102852, 1102853, 1102854, 1102857, 1102859, 1102860, 1102861, 1102862, 1102864, 1102865, 1102866, 1102867, 1102869, 1102875, 1102876, 1102877, 1102878, 1102879, 1102880, 1102881, 1102883, 1102884, 1102885, 1102886, 1102887, 1102888, 1102889, 1102891, 1102892, 1102893, 1102894, 1102895, 1102896, 1102897, 1102898, 1102899, 1102901, 1102902, 1102903, 1102904, 1102905, 1102906, 1102909, 1102910, 1102911, 1102913, 1102914, 1102915, 1102920, 1102921, 1102922, 1102925, 1102926, 1102927, 1102928, 1102929, 1102936, 1102940, 1102941, 1103033, 1103034, 1103035, 1103037, 1103041, 1103042, 1103043, 1103044, 1103045, 1103046, 1103047, 1103048, 1103049, 1103050, 1103051, 1103052, 1103053, 1103054, 1103055, 1103056, 1103057, 1103058, 1103059, 1103060, 1103061, 1103062, 1103063, 1103064, 1103065, 1103066, 1103067, 1103068, 1103069, 1103070, 1103071, 1103073, 1103074, 1103075, 1103076, 1103078, 1103079, 1103082, 1103083, 1103084, 1103085, 1103086, 1103087, 1103088, 1103089, 1103090, 1103091, 1103092, 1103093, 1103094, 1103095, 1103096, 1103097, 1103098, 1103099, 1103100, 1103101, 1103102, 1103103, 1103104, 1103106, 1103108, 1103109, 1103110, 1103111, 1103112, 1103116, 1103118, 1103119, 1103120, 1103121, 1103122, 1103124, 1103125, 1103126, 1103128, 1103130, 1103131, 1103133, 1103135, 1103138, 1103139, 1103140, 1103142, 1103143, 1103144, 1103145, 1103146, 1103147, 1103148, 1103149, 1103150, 1103151, 1103152, 1103153, 1103154, 1103155, 1103156, 1103157, 1103158, 1103159, 1103160, 1103162, 1103165, 1103166, 1103169, 1103171, 1103172, 1103173, 1103174, 1103175, 1103182, 1103183, 1103184, 1103186, 1103187, 1103188, 1103195, 1103197, 1103198, 1103199, 1105050, 1105066, 1105067, 1105068, 1105069, 1105070, 1105072, 1105074, 1105160, 1105161, 1105162, 1105163, 1105164, 1105165, 1105166, 1105167, 1105168, 1105169, 1105170, 1105171, 1105178, 1105181, 1105188, 1105193, 1105357, 1105360, 1105362, 1105365, 1105420, 1105421, 1105422, 1105423, 1105424, 1105429, 1105434, 1105514, 1105520, 1105556, 1105558, 1105573, 1105574, 1105584, 1105619, 1105632, 1105645, 1105686, 1876680, 19020500, 1976063, 1979862, 1979863, 1979865, 1979867, 20041, 321135, 321148, 32141, 32146, 32148, 321647, 3342114, 61013122, 6101312212B1, DRZ0100, DRZ0130, DRZ0208, 20130225, 35214105, M0017284ME, 1100578, 8127023, 8134663, 1903079M91, 521281M91, 528353M91

The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.

When Should You Replace Your Alternator?

Charging warning lights, repeated loss of battery charge, dim or fluctuating lights and inconsistent electrical operation can indicate a charging-system problem. Battery condition, wiring and the drive belt can produce similar symptoms; arrange a diagnostic check before replacing the alternator.

Why Buy from Sahibs Auto Electrics?

Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying A1409 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.

Frequently Asked Questions

Will A1409 fit my John Deere JD544-B?

John Deere JD544-B 6784ccm Diesel (1975–1982) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.

Does A1409 replace Lucas LRA01409?

Lucas LRA01409 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.

What specifications are listed for A1409?

The listed details include 12V, 61A output. Compare the complete specifications on this page with the unit being replaced.

Is A1409 new or remanufactured?

Check the current product condition selection for A1409. Confirm the supplier and availability of the option you want before completing the order.

What should I compare before ordering A1409?

Compare 12V compatibility, 61A output, pulley configuration, mounting points and electrical connections with the original alternator.

Does a battery warning light prove the alternator has failed?

No. Battery, belt, wiring and control faults can also affect charging. Use a charging-system test to establish the cause before ordering a replacement.