Alternator Brush Holder Assembly for Delco 10DN, 10SI, 12SI, 27SI

Restore reliable charging output and eliminate worn-brush electrical faults with this direct-fit replacement Alternator Brush Holder Assembly. Designed specifically to rebuild and service classic Delco 10DN, 10SI, 12SI, and 27SI alternators, this complete unit includes dual brushes for consistent slip-ring contact and dependable current transfer without the expense of replacing the entire alternator assembly.

Component-Specific Technical Data

• Component: Alternator Brush Holder Assembly
• Alternator Series Compatibility: Delco 10DN, 10SI, 12SI, 27SI
• Included Components: Includes (2) 38-104 brushes
• OEM Replacements: Delco 1876876, 1984462, 801466, 74-4601
• Aftermarket Crossovers: 74404601, DA-3K, D766, D727, 150-12003, 39-101, 39-101-3

Cross-Reference Alternator Assemblies (Fitted Units)

• Baker Equipment: 118434
• Bobcat: 1536554, 6599740, 6654209
• Case: A135714
• Caterpillar: 351940, 6T1193, 9G6078, 9G6080
• Chrysler: 8125155, 8127023, 8131881, 8134663, 8134664, 83505104, 8982775004, 8982775005, 8982775006, JR775004, JR775005, JR775006
• Clark: 1536554, 1830821, 2314007, 2334014, 2354002, 2354003, 6513962, 907739, 908013, 934028
• Cummins: 3604159RX, 3604663RX, 3604669RX
• Delco: 10459509, 10463055, 10463056, 10463057, 10463058, 10463059, 10463060, 10463100, 10463307, 10463308, 10463313, 10463357, 10463397, 10463655, 10477080, 10479850, 10495382, 10495384, 10495418, 10495419, 10495420, 10495421, 10495422, 10495423, 10495424, 10495425, 10495426, 10495427, 10495428, 10495429, 10495430, 10495431, 10495432, 10495433, 10495434, 10495435, 10497074, 10497075, 10497076, 10497077, 10497078, 10497079, 10497081, 10497082, 10497425, 1100092, 1100109, 1100110, 1100111, 1100113, 1100115, 1100116, 1100117, 1100121, 1100122, 1100124, 1100125, 1100127, 1100128, 1100129, 1100130, 1100131, 1100132, 1100133, 1100135, 1100136, 1100137, 1100138, 1100139, 1100140, 1100141, 1100142, 1100143, 1100144, 1100145, 1100146, 1100147, 1100148, 1100149, 1100150, 1100151, 1100152, 1100153, 1100154, 1100155, 1100156, 1100158, 1100159, 1100162, 1100163, 1100164, 1100165, 1100166, 1100167, 1100168, 1100169, 1100174, 1100175, 1100176, 1100178, 1100179, 1100181, 1100182, 1100186, 1100196, 1100198, 1100199, 1100200, 1100201, 1100202, 1100203, 1100204, 1100206, 1100207, 1100208, 1100209, 1100217, 1100218, 1100220, 1100221, 1100222, 1100225, 1100226, 1100227, 1100228, 1100229, 1100230, 1100231, 1100232, 1100233, 1100234, 1100235, 1100236, 1100237, 1100238, 1100239, 1100240, 1100241, 1100242, 1100244, 1100246, 1100247, 1100249, 1100250, 1100251, 1100252, 1100253, 1100254, 1100255, 1100256, 1100257, 1100258, 1100259, 1100260, 1100261, 1100263, 1100264, 1100265, 1100266, 1100267, 1100268, 1100269, 1100270, 1100272, 1100273, 1100275, 1100280, 1100281, 1100287, 1100288, 1100289, 1100290, 1100291, 1100294, 1100297, 1100298, 1100299, 1100300, 1100477, 1100487, 1100492, 1100494, 1100495, 1100496, 1100497, 1100498, 1100499, 1100542, 1100543, 1100544, 1100545, 1100546, 1100547, 1100548, 1100549, 1100550, 1100551, 1100552, 1100554, 1100556, 1100559, 1100560, 1100561, 1100562, 1100563, 1100564, 1100565, 1100573, 1100574, 1100575, 1100576, 1100577, 1100588, 1100592, 1100595, 1100596, 1100597, 1100825, 1100826, 1100830, 1100831, 1100832, 1100833, 1100852, 1100853, 1100854, 1100855, 1100859, 1100861, 1100865, 1100872, 1100873, 1100874, 1100880, 1100881, 1100882, 1100884, 1100890, 1100894, 1100897, 1100899, 1100900, 1100901, 1100902, 1100903, 1100904, 1100911, 1100912, 1100914, 1100915, 1100919, 1100920, 1100922, 1100923, 1100924, 1100925, 1100926, 1100927, 1100928, 1100929, 1100930, 1100934, 1100935, 1100937, 1100940, 1100946, 1100947, 1100948, 1100949, 1100950, 1101015, 1101016, 1101017, 1101018, 1101019, 1101020, 1101021, 1101022, 1101023, 1101024, 1101025, 1101026, 1101027, 1101028, 1101029, 1101030, 1101031, 1101032, 1101033, 1101034, 1101035, 1101036, 1101043, 1101046, 1101047, 1101048, 1101049, 1101050, 1101058, 1101059, 1101060, 1101061, 1101062, 1101063, 1101064, 1101073, 1101090, 1101091, 1101109, 1101156, 1101157, 1101166, 1101178, 1101196, 1101228, 1101240, 1101241, 1101242, 1101243, 1101244, 1101245, 1101268, 1101279, 1101285, 1101298, 1101299, 1101300, 1101301, 1101302, 1101303, 1101304, 1101305, 1101307, 1101308, 1101332, 1101333, 1101434, 1101435, 1101484, 1102346, 1102347, 1102349, 1102350, 1102351, 1102352, 1102353, 1102354, 1102355, 1102358, 1102360, 1102367, 1102368, 1102369, 1102376, 1102380, 1102381, 1102382, 1102383, 1102384, 1102385, 1102386, 1102387, 1102388, 1102389, 1102390, 1102391, 1102392, 1102393, 1102394, 1102395, 1102397, 1102399, 1102400, 1102433, 1102434, 1102435, 1102436, 1102437, 1102438, 1102439, 1102440, 1102441, 1102442, 1102443, 1102444, 1102445, 1102446, 1102447, 1102448, 1102449, 1102450, 1102451, 1102452, 1102453, 1102454, 1102455, 1102456, 1102457, 1102458, 1102459, 1102460, 1102461, 1102463, 1102464, 1102465, 1102466, 1102467, 1102468, 1102469, 1102471, 1102472, 1102473, 1102474, 1102475, 1102476, 1102477, 1102478, 1102479, 1102480, 1102481, 1102482, 1102483, 1102484, 1102485, 1102486, 1102487, 1102488, 1102489, 1102490, 1102491, 1102492, 1102493, 1102494, 1102495, 1102496, 1102497, 1102499, 1102500, 1102548, 1102549, 1102550, 1102593, 1102839, 1102840, 1102841, 1102842, 1102843, 1102844, 1102845, 1102846, 1102848, 1102849, 1102850, 1102851, 1102852, 1102853, 1102854, 1102856, 1102857, 1102858, 1102859, 1102860, 1102861, 1102862, 1102863, 1102864, 1102865, 1102869, 1102871, 1102877, 1102878, 1102879, 1102880, 1102881, 1102882, 1102883, 1102884, 1102885, 1102886, 1102887, 1102888, 1102889, 1102891, 1102892, 1102893, 1102894, 1102895, 1102897, 1102899, 1102900, 1102901, 1102902, 1102903, 1102904, 1102905, 1102906, 1102908, 1102909, 1102910, 1102911, 1102913, 1102915, 1102916, 1102938, 1102939, 1102941, 1103033, 1103034, 1103036, 1103037, 1103039, 1103040, 1103041, 1103042, 1103043, 1103044, 1103045, 1103046, 1103047, 1103048, 1103049, 1103050, 1103051, 1103052, 1103053, 1103055, 1103056, 1103057, 1103058, 1103059, 1103060, 1103061, 1103062, 1103063, 1103064, 1103065, 1103066, 1103067, 1103068, 1103069, 1103070, 1103071, 1103073, 1103074, 1103075, 1103076, 1103078, 1103079, 1103080, 1103081, 1103082, 1103083, 1103084, 1103085, 1103086, 1103087, 1103088, 1103089, 1103090, 1103091, 1103092, 1103093, 1103094, 1103095, 1103096, 1103097, 1103098, 1103099, 1103100, 1103101, 1103102, 1103103, 1103104, 1103105, 1103106, 1103108, 1103109, 1103110, 1103111, 1103112, 1103113, 1103114, 1103117, 1103118, 1103119, 1103120, 1103121, 1103122, 1103134, 1103139, 1103140, 1103142, 1103143, 1103144, 1103145, 1103146, 1103147, 1103148, 1103149, 1103151, 1103152, 1103153, 1103154, 1103155, 1103156, 1103157, 1103158, 1103161, 1103162, 1103163, 1103168, 1103169, 1103170, 1103182, 1103186, 1103187, 1103190, 1103193, 1103195, 1103196, 1103197, 1103198, 1103199, 1105022, 1105023, 1105025, 1105027, 1105028, 1105029, 1105032, 1105033, 1105034, 1105036, 1105041, 1105042, 1105043, 1105044, 1105045, 1105046, 1105047, 1105048, 1105049, 1105050, 1105058, 1105059, 1105060, 1105063, 1105064, 1105065, 1105067, 1105076, 1105078, 1105079, 1105080, 1105081, 1105082, 1105083, 1105084, 1105088, 1105091, 1105092, 1105097, 1105181, 1105182, 1105183, 1105185, 1105194, 1105244, 1105245, 1105345, 1105348, 1105351, 1105354, 1105355, 1105358, 1105359, 1105360, 1105361, 1105363, 1105365, 1105367, 1105368, 1105369, 1105370, 1105371, 1105372, 1105402, 1105425, 1105426, 1105427, 1105428, 1105432, 1105439, 1105440, 1105441, 1105442, 1105443, 1105444, 1105446, 1105447, 1105449, 1105478, 1105480, 1105482, 1105492, 1105493, 1105494, 1105495, 1105496, 1105503, 1105504, 1105506, 1105507, 1105508, 1105511, 1105516, 1105517, 1105520, 1105521, 1105522, 1105523, 1105541, 1105542, 1105543, 1105544, 1105545, 1105547, 1105555, 1105556, 1105561, 1105562, 1105564, 1105565, 1105566, 1105567, 1105568, 1105569, 1105572, 1105575, 1105576, 1105577, 1105578, 1105580, 1105581, 1105582, 1105588, 1105590, 1105591, 1105592, 1105594, 1105597, 1105598, 1105599, 1105600, 1105602, 1105603, 1105604, 1105606, 1105607, 1105608, 1105610, 1105611, 1105617, 1105620, 1105621, 1105623, 1105624, 1105627, 1105628, 1105629, 1105630, 1105631, 1105632, 1105633, 1105634, 1105635, 1105637, 1105647, 1105648, 1105649, 1105650, 1105651, 1105652, 1105653, 1105654, 1105673, 1105674, 1105675, 1105676, 1105677, 1105691, 1105692, 1105693, 1105703, 1105704, 1105705, 1105706, 1105707, 1105708, 1105709, 1117141, 1117142, 1117143, 1117144, 1117145, 1117146, 1117147, 1117148, 1117149, 1117150, 1117151, 1117152, 1876680, 1972724, 1975629, 1975630, 1976063, 1979857, 1979858, 1979859, 1979860, 1979861, 1979862, 1979863, 1979865, 1979866, 1979867, 1979868
• Lester: 7127-12, 7127-3, 7127-3SE, 7127-6, 7127-9, 7127-SE, 7127-SE105, 7127-SE105C, 7129, 7133, 7135, 7135-R, 7135M, 7145-12, 7145-3, 7145-6, 7145-9, 7152, 7157M, 7163, 7164, 7195, 7239, 7246, 7250, 7251, 7272-12, 7272-3, 7272-6, 7272-9, 7273-12, 7273-3, 7273-3R, 7273-6, 7273-9, 7273-9R, 7273-R, 7275-12, 7277-6, 7277-9, 7278-12, 7278-3, 7278-6, 7278-9, 7279-6, 7279-9, 7282-3, 7282-9, 7292-3, 7292-3R, 7292-6, 7292-6R, 7292-9, 7292-9R, 7294-12, 7294-3, 7294-6, 7294-9, 7294-R, 7830, 7830-3, 7830-3R, 7830-9, 7830-9R, 8904

Vehicle Application Details

• Fitment Note: Fits a wide range of automotive, agricultural, marine, and industrial vehicles/equipment equipped with Delco 10DN, 10SI, 12SI, and 27SI series alternators matching the cross-reference assembly numbers listed above.

Concluding Worry-Free Promise

At DIYAlternator.com, we specialize exclusively in high-grade charging system components built to fit right the first time. Every replacement component is manufactured to meet or exceed strict OEM specifications for flawless fitment and long-term durability. If you have questions about fitment or need assistance verifying your alternator part numbers, our dedicated technical support team is here to ensure you get the exact part you need to get back on the road with complete confidence.