Aftermarket Alternator Rectifier IXR691
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Aftermarket Alternator Rectifier IXR691

Marelli
IXR691
In stock
Rectifier
$50.00

Aftermarket Alternator Rectifier IXR691

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In-stock orders ship out same day or next business day via USPS.

Pre Order

Pre-orders ship out in the order received within 7–21 business days.

Customer Support

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Specifications

  • MFR:MARELLI
  • DIM 1:17.5mm Thk. Heat Sink
  • FEATURE 1:100% New
  • FEATURE 2:6-50A diodes
  • NOTE 1:With diode trio.
  • SPECS FOR:Marelli 30-55A ER/EF, IR/EF Alternators
  • SPECS:12, 24 Volt

USED ON

  • Abarth - Europe (1984-1987) ** Alfa Romeo - Europe (1979-1992) ** BMW (1982-1986) ** BPM (1992-1992) ** Case (1990-1992) ** Fiat (1976-1982) ** Fiat - Europe (1971-2010) ** Fiat LCV - Europe (1979-2000) ** Fiat-Allis (1970-1995) ** Fiat-Hesston (1983-1996) ** Huerlimann Europe (1991-2004) ** Iveco Fiat LCV / Heavy Duty - Europe (1983-1986) ** Lamborghini-Agricultural (1989-1999) ** Lancia (1976-1978) ** Lancia - Europe (1972-1994) ** Morgan - Europe (1982-1986) ** Seat - Europe (1986-1996) ** Seat LCV - Europe (1989-1994) ** VM (Stabilimenti Meccanici) (1980-1988) ** Yugo - Europe (1983-1993) ** Yugo LCV - Europe (1988-1989)

Replaces

  • Ducellier 593053, Fiat 9934595, 9934958, 9957720, Lucas 21222135, UBB806, Marelli 64826011, 64826022, 64826040, 64877471, 64878691, 74986301, 74988691, 85560001

LESTER NUMBERS

  • 12026, 12580, 12583, 12584, 13204, 14293, 14294, 14295, 14395, 14482, 20231, 20262, 20598, 20600, 20826, 20827, 21454, 22117, 22247

UNIT NUMBERS

  • Alfa Romeo 116760506000, 116760506100, 116760506100, 116760506100, 116760506100, 116760506100, AT050600108, AT050600108, AT050600108, AT050600108, AT050600108; Bosch 0 120 489 146, 0 120 489 147; Fiat 43370025, 4379899, 4379901, 4379902, 4383251, 4383252, 4393206, 4395131, 4419793, 4419794, 4427256, 4434084, 4449602, 4474525, 4711700, 4717870, 4720501, 4720502, 4721587, 4721588, 4721589, 4721591, 4721592, 4721592, 4731839, 4738563, 4738567, 4738568, 4738569, 4738570, 4738571, 4738572, 4746400, 4746401, 4750583, 4769911, 4786913, 4786916, 4786918, 4786919, 4786920, 4787596, 4787597, 4787598, 4787663, 4787665, 4787668, 4808519, 4808519, 4808521, 4808522, 4808523, 4808524, 4808525, 4808526, 4814684, 5920974, 5967595, 5967596, 5990966, 5998994, 7546759, 7580208, 7616984, 77025410, 77027410, 77028550, 82345422; Fiat Allis 77028550; Letrika (Iskra) 11.201.327, 11.201.327, 11.201.327, 11.201.327, 11.201.327, 11.201.327, 11.201.327, 11.201.355, 11.201.463, 11.201.463, 11.201.463, 11.201.463, 11.201.463, 11.201.463, 11.201.463; Letrika (Iskra) Tech. AAK1110, AAK1110, AAK1116, AAK1116, AAK1116, AAK1116, AAK1116, AAK1116, AAK1116, AAK1117, AAK3529, AAK3529, AAK3538, AAK3563, AAK3563, AAK3563, AAK3563, AAK3563, AAK3563, AAK3563, AAK4140, AAK4140, AAK4153, AAK4153, AAK4153, AAK4153, AAK4153, AAK4153, AAK4153, AAK4155, AAK4155, AAK4155, AAK4155, AAK4155, AAK4155, AAK4155, AAK4162, AAK4162, AAK4167, AAK4174, AAK4518, AAK4527; Magneton 9-515-072, 9-515-081, 9-515-081, 9-515-081, 9-515-081, 9-516-614, 9-516-714, 9-516-714, 9-516-714; Marelli 063300515010, 063300905010, 063305101010, 063305236010, 063305526010, 063305536010, 063305556010, 063305566010, 063305700010, 063305720010, 063305800010, 063305802010, 063305820010, 063306050010, 063306060010, 063306070010, 063306079010, 063306089010, 063306320010, 063306350010, 063306360010, 063306369010, 063306370010, 063306379010, 063306380010, 063306389010, 063306399010, 063306701010, 063306721010, 063307103010, 063307106010, 063307108010, 063307206010, 063307236010, 063307246010, 063307256010, 063307402010, 063307406010, 063307410010, 063307426010, 063307503010, 063307506010, 063307526010, 063307536010, 063307556010, 063307566010, 063307604010, 063307802010, 063307805010, 063308330010, 063308350010, 063308360010, 063308370010, 063308380010, 063308399010, 063308701010, 063320002010, 063320003010, 063320007010, 063320008010, 063320010010, 063320031010, 063321001010, 063321008010, 063321009010, 063321010010, 063321013010, 063321015010, 063321045010, 063321060010, 063321071010, 063321080010, 63300505, 63300515, 63305101, 63305206, 63305236, 63305246, 63305256, 63305403, 63305404, 63305405, 63305423, 63305424, 63305506, 63305526, 63305536, 63305556, 63305566, 63305640, 63305700, 63305720, 63305802, 63305820, 63306000, 63306010, 63306020, 63306030, 63306040, 63306050, 63306060, 63306070, 63306079, 63306080, 63306089, 63306090, 63306099, 63306300, 63306301, 63306310, 63306320, 63306330, 63306340, 63306350, 63306360, 63306369, 63306370, 63306379, 63306380, 63306389, 63306390, 63306399, 63307103, 63307108, 63307206, 63307236, 63307246, 63307256, 63307402, 63307406, 63307410, 63307424, 63307426, 63307503, 63307506, 63307523, 63307526, 63307536, 63307556, 63307566, 63307604, 63307802, 63307805, 63308300, 63308330, 63308350, 63308360, 63308370, 63308380, 63308389, 63308399, 63320003, 63320004, 63320007, 63320008, 63320010, 63320025, 63320031, 63320114, 63321001, 63321005, 63321010, 63321013, 63321015, 63321021, 63321045, 63321046, 63321047, 63321048, 63321049, 63321050, 63321051, 63321052, 63321053, 63321054, 63321055, 63321060, 63321063, 63321071, 63321080, 63321104, 944390356300, AA125/28V/30A, AA125R/28V/30A, MAN261, MAN344, MAN344, MAN365, MAN771, MAN771, MAR287, MAR289; Prestolite 20100232, 20130207, 20130207, 20130207, 20130207, 20130207, 20130207, 860141, 860141; Same 29439150

Vehicle Application

Make Model Year Engine
Abarth - Europe RITMO (138A_) Eng.138 AR2.000 130 TC 2.0 96kw 1984-1987 138 AR2.000
Alfa Romeo - Europe 128 1986-1990 1.8 TD,VM82A
Alfa Romeo - Europe Alfetta 1979-1982 VM4HT/2, 2.0 Turbo Dsl.
Alfa Romeo - Europe Alfetta 1979-1983 2.0 TD, 60kW, 82HP, 1995cc
Alfa Romeo - Europe Alfetta 1980-1985 1600
Alfa Romeo - Europe Alfetta 1980-1985 1800
Alfa Romeo - Europe Alfetta 1980-1987 2000
Alfa Romeo - Europe Alfetta 1983-1984 2.4 TD, 70kW, 95HP, 2393cc
Alfa Romeo - Europe AR 6 1985-1986 2.4 D, 53kW, 72HP, 2445cc
Alfa Romeo - Europe AR 6 1986-1989 2.5 D, 55kW, 75HP, 2449cc
Alfa Romeo - Europe Giulietta 1980-1986 1300
Alfa Romeo - Europe Giulietta 1980-1986 1600
Alfa Romeo - Europe Giulietta 1980-1986 1800
Alfa Romeo - Europe Giulietta 1980-1986 2000
Alfa Romeo - Europe Giulietta 1983-1985 2.0 TD, 61kW, 83HP, 1995cc
Alfa Romeo - Europe GTV 1980-1987 2000
Alfa Romeo - Europe GV 1984-1989 1800
Alfa Romeo - Europe GV 1985-1992 2.0 TD, VM80A
Alfa Romeo - Europe GV 1987-1989 2000
Alfa Romeo - Europe GV 1987-1992 2000, T Spark
Alfa Romeo - Europe GV 1989-1992 2.4 TD, VM81A
Alfa Romeo - Europe Nubira 1984-1989 1800
Alfa Romeo - Europe Nubira 1984-1989 2000
Alfa Romeo - Europe Spider 1980-1983 2000
Alfa Romeo - Europe Swift 1981-1986 2.5 TD, 77kW, 105HP, 2494cc
BMW Various Models 1982-1986 D190 Diesel Engine
BPM 620SH 1992 12.0L
Case 2120 1990-1992 3-183 Diesel
Case 2130 1990-1992 3-183 Diesel
Case 2140 1990-1992 4-244 Diesel
Case 2150 1990-1992 4-244 Diesel
Fiat - Europe 1180 1983-1984 8065.04.217
Fiat - Europe 127 1971-1982 900
Fiat - Europe 127 1975 w/ 1.3L
Fiat - Europe 1280 1983-1984 8065.24.300
Fiat - Europe 131 (131_) Eng.131 A.000 1.3 Mirafiori 48kw 1980-1982 131 A.000
Fiat - Europe 131 (131_) Eng.131 B1.000 1.6 Super Mirafiori (A) 72kw 1980-1982 131 B1.000
Fiat - Europe 131 (131_) Eng.131 C2.000 1.6 63kw 1980-1982 131 C2.000
Fiat - Europe 131 (131_) Eng.131 C4.000 2.0 Super 83kw 1981-1983 131 C4.000
Fiat - Europe 131 Familiare/Panorama (131_) Eng.131 C2.000 1.6 63kw 1980-1982 131 C2.000
Fiat - Europe 131 Familiare/Panorama (131_) Eng.131 C3.000 1.6 Super 72kw 1980-1981 131 C3.000
Fiat - Europe 132 (132_) Eng.132 C2.000 2.0 82kw 1980-1981 132 C2.000
Fiat - Europe 1380 1983-1984 8065
Fiat - Europe 1580 1983-1984 8365.05.500
Fiat - Europe 1880 1983-1984 8365.25.500
Fiat - Europe 244 1978-1984 8144.61, 2.5 Dsl.
Fiat - Europe 244 1978-1984 8144.65, 2.0 Dsl.
Fiat - Europe 244 1978-1985 1300
Fiat - Europe 244 1978-1985 1600
Fiat - Europe 244 1979-1984 2000
Fiat - Europe 244 1979-1984 8144.61, 2.5 Dsl. 2500
Fiat - Europe 245 1976-1982 1600
Fiat - Europe 245 1976-1982 2000
Fiat - Europe 245 1978-1982 8144.61, 2.5 Dsl.
Fiat - Europe 245 1978-1982 8144.65, 2.0 Dsl.
Fiat - Europe 880 1980-1984 8055.04.200
Fiat - Europe 980 1983-1984 Fiat 8065.02
Fiat - Europe ARGENTA (132_) Eng.132 C2.000, 132 D1.000 2000 83kw 1982-1984 "132 C2.000, 132 D1.000"
Fiat - Europe Argenta 1981-1985 1600
Fiat - Europe Argenta 1981-1985 2000
Fiat - Europe Argenta 1981-1985 8144.61, 2.5 Dsl. 2500
Fiat - Europe Argenta 1983-1985 8144.61.500.81, 2.5 TD
Fiat - Europe CINQUECENTO (170_) Eng.1170 A1.000, 1170 A1.046 0.9 i.e. S (170AF, 170CF) 29kw 1991-1999 "1170 A1.000, 1170 A1.046"
Fiat - Europe Cinquecento 1993-1998 900
Fiat - Europe CROMA (154_) Eng. 2000 CHT 74kw 1991-1992
Fiat - Europe CROMA (154_) Eng.154 A1.000 2000 CHT (154.AC) 66kw 1986-1989 154 A1.000
Fiat - Europe Croma 1985-1989 8144.67, 2.5 Dsl.
Fiat - Europe Croma 1985-1989 8144.91.2000, 2.5 TD 2500
Fiat - Europe Croma 1986-1992 2000
Fiat - Europe Croma 1989-1996 8144.97, 2.5 TD
Fiat - Europe Croma 1991-1996 8144.97S, 2.5 TD
Fiat - Europe Croma 1991-1996 8144.97Y, 2.5 TD
Fiat - Europe Ducato - LCV 1982-1990 8144.61, 2445ccm, 2.4 Dsl
Fiat - Europe Ducato - LCV 1982-1994 8144.67, 2.5 Dsl.
Fiat - Europe Ducato - LCV 1986-1990 8144.21, 2.5 TD
Fiat - Europe Ducato - LCV 1987-1990 149B1.000, 1.9 Dsl.
Fiat - Europe Ducato - LCV 1989-1994 280A1.000, 1.9 TD
Fiat - Europe Ducato - LCV 1990-1994 8140.27, 2.5 TD
Fiat - Europe Ducato 130 1986-1990 8144.61, 2445ccm, 2.4 Dsl
Fiat - Europe DUCATO Box (280_) Eng.149 B1.000 1.9 D 52kw 1988-1990 149 B1.000
Fiat - Europe DUCATO Box (290_) Eng.149 B1.000 1.9 D 52kw 1990-1994 149 B1.000
Fiat - Europe FIORINO Box (146_) Eng.146 B2.000 60 1.7 D 42kw 1989-1996 146 B2.000
Fiat - Europe FIORINO Pick up (146_) Eng.146 B2.000 1.7 D 42kw 1994-1998 146 B2.000
Fiat - Europe Fiorino 1990-1993 146B1.000, 1.3L
Fiat - Europe KT15823 1991-1993 170 A1.046
Fiat - Europe KT16735 1998-2010 1170 A1.046
Fiat - Europe KT2558 1992-1996 1170 A1.046
Fiat - Europe Laforza 1973-1987 650
Fiat - Europe Panda 1980-1994 903
Fiat - Europe Panda 1982-1989 w/ 1.3L
Fiat - Europe REGATA (138_) Eng.149 A2.000, 149 A4.000 100 Super 1.6 74kw 1984-1986 "149 A2.000, 149 A4.000"
Fiat - Europe Regata 1984-1991 1600
Fiat - Europe RITMO (138_) Eng.138 AR.000 1.6 77kw 1981-1987 138 AR.000
Fiat - Europe SEICENTO / 600 (187_) Eng.1170 A1.046 0.9 (187AXA, 187AXA1A) 29kw 1998-2010 1170 A1.046
Fiat - Europe Seicento 1998-2000 900
Fiat - Europe Strada 1982-1987 1600
Fiat - Europe Strada 1982-1987 2000
Fiat - Europe Tempra 1990-1993 1400
Fiat - Europe TIPO (160_) Eng.149 B4.000 1.7 D (160.AG) 43kw 1988-1994 149 B4.000
Fiat - Europe Tipo 1987-1995 1700
Fiat - Europe Tipo 1988-1992 1400
Fiat - Europe Tipo 1988-1992 1600
Fiat - Europe UNO (146_) Eng.149 B3.000 60 Diesel 1.7 44kw 1987-1989 149 B3.000
Fiat - Europe UNO Box (146_) Eng.146 B2.000, 149 B4.046 1.7 D 43kw 1991-1992 "146 B2.000, 149 B4.046"
Fiat - Europe Uno 1983-1990 1100, 1116cc
Fiat - Europe Uno 1983-1993 900, 903cc
Fiat - Europe Uno 1986-1992 1300, 1299cc
Fiat - Europe Uno 1987-1992 1116, Selecta
Fiat - Europe Uno 1987-1994 1700
Fiat - Europe Uno 1989-1992 146B1.000, 1.3L
Fiat - Europe Uno 1989-1992 146B3.000, 1.4L Dsl. Turbo
Fiat - Europe Uno 1990-1994 1400, 1372cc
Fiat - Europe X1/9 1988-1989 1500
Fiat LCV - Europe Ducato 1987-1994 1900, 149B Eng
Fiat LCV - Europe Florino 1979-1982 903
Fiat LCV - Europe Florino 1988-2000 1700
Fiat LCV - Europe Uno 1991-1992 1700
Fiat LCV - Europe Uno 1991-1996 903
Fiat-Allis 10C 1978-1993 8365 Diesel
Fiat-Allis 10CL 1979-1981 8365 Diesel
Fiat-Allis 10CL 1982-1986 8365 Diesel
Fiat-Allis 10CTA 1979-1981 8365 Diesel
Fiat-Allis 10CTA 1982-1986 8365 Diesel
Fiat-Allis 14C 1977-1982 8205 Diesel
Fiat-Allis 14CL 1978-1981 8205 Diesel
Fiat-Allis 14CTA 1978-1981 8205 Diesel
Fiat-Allis 545B 1971-1983 8061 Diesel
Fiat-Allis 645B 1971-1983 8361 Diesel
Fiat-Allis 65B 1979-1981 8065 Diesel
Fiat-Allis 65B 1979-1995 8345 Diesel
Fiat-Allis 65B 1986-1995 8061 Diesel
Fiat-Allis 7D 1980-1983 CO3 Diesel
Fiat-Allis 8B 1979-1982 CO3 Diesel
Fiat-Allis 8BTA 1979-1985 CO3 Diesel
Fiat-Allis FA-200 1984-1990 8215 Diesel
Fiat-Allis FD-20 1981-1985 8215 Diesel
Fiat-Allis FE-12 1982-1989 8041 Diesel
Fiat-Allis FG-75 1986-1995 8365 Diesel
Fiat-Allis FG-85 1986-1995 8365 Diesel
Fiat-Allis FG-95 1986-1995 8365 Diesel
Fiat-Allis FL-10C 1978-1980 8365 Diesel
Fiat-Allis FL-10E 1988-1995 8065 Diesel
Fiat-Allis FL-14C 1977-1981 8205 Diesel
Fiat-Allis FL-20 1972-1980 8205 Diesel
Fiat-Allis FL-20 1972-1980 8215 Diesel
Fiat-Allis FL-20B 1986-1992 8205 Diesel
Fiat-Allis FL-4L 1971-1984 8035 Diesel
Fiat-Allis FL-9 1979-1982 CO3 Diesel
Fiat-Allis FR-15B 1985-1995 8365 Diesel
Fiat-Allis FR-20 1987-1991 8215 Diesel
Fiat-Allis FR-7 1983-1989 8041 Diesel
Fiat-Allis FR-7B 1989-1995 8041 Diesel
Fiat-Allis FR-9 1982-1987 8051 Diesel
Fiat-Allis FS-11 1970-1982 8215 Diesel
Fiat-Allis S-105B 1970-1977 CP3 Diesel
Fiat-Allis S-11 1976-1982 CP3 Diesel
Fiat-Allis S-15 1970-1982 8205 Diesel
Fiat-Allis S-70 1971-1978 CO3 Diesel
Fiat-Allis S-9 1976-1982 CO3 Diesel
Fiat-Allis S-90 1970-1982 8045 Diesel
Fiat-Allis S-90 1971-1978 CO3 Diesel
Fiat-Allis S-90 1971-1978 CP3 Diesel
Fiat-Allis SL-11 1976-1982 CP3 Diesel
Fiat-Allis SL-9 1976-1982 CO3 Diesel
Fiat-Allis SR-9 1976-1982 CO3 Diesel
Fiat-Hesston 100.90 1983-1991 5419ccm 8065.06
Fiat-Hesston 100.90 1984-1988 8065.06.200, 5.4 Dsl.
Fiat-Hesston 110.90 1986-1988 8065.05.220, 5.9 Dsl.
Fiat-Hesston 110.90 1986-1994 8065.05.220
Fiat-Hesston 115.90 1983-1990 8065.05.000
Fiat-Hesston 115.90 1984-1988 8065.05.000, 5.9 Dsl.
Fiat-Hesston 130.90 1983-1990 8065.25.010
Fiat-Hesston 130.90 1984-1988 8065.25.010, 5.9 Dsl.
Fiat-Hesston 140.90 1983-1990 5861ccm 8065.25
Fiat-Hesston 140.90 1984-1988 8065.05.000, 5.9 Dsl.
Fiat-Hesston 160.90 1983-1990 8365.25
Fiat-Hesston 160.90 1984-1988 OM8365.25.5.., 8.1 Dsl
Fiat-Hesston 180.90 1983-1990 8365.25
Fiat-Hesston 180.90 1984-1988 OM8365.25.5.., 8.1 Dsl
Fiat-Hesston 90.90 1983-1991 66KW 4.9L. 5Cyl
Fiat-Hesston F100 1990-1993 5419ccm 8065.06
Fiat-Hesston F110 1990-1996 5861ccm 8065.05
Fiat-Hesston F115 1993-1996 5861ccm 8065.05
Fiat-Hesston F120 1990-1993 5861ccm 8065.05
Fiat-Hesston F130 1990-1993 5861ccm 8065.25A
Fiat-Hesston F130 1993-1996 5861ccm 8065.20
Fiat-Hesston F140 1993 5861ccm 8065.25
Fiat 124 1976-1978 L4 1.8L 1756cc
Fiat 124 1979-1982 L4 2.0L 1997cc 122cid
Fiat 128 1978 L4 1.3L 1290cc
Fiat 131 1978 L4 1.8L 1756cc
Fiat Brava 1979-1981 L4 2.0L 1997cc 122cid
Fiat Strada 1979-1980 L4 1.5L 1498cc
Fiat X-1/9 1978 L4 1.3L 1290cc
Fiat X-1/9 1979-1980 L4 1.5L 1498cc
Huerlimann Europe H6115 1999-2004 1000.6W
Huerlimann Europe H6135 1999-2004 1000.6WT
Huerlimann Europe H6165 1991 1000.6WTI
Huerlimann Europe H6190 1992 1000.6WTIR
Iveco Fiat LCV / Heavy Duty - Europe 83-61 1983 8361.25.., 8.1
Iveco Fiat LCV / Heavy Duty - Europe Daily 35 1983-1986 2400
Lamborghini-Agricultural 115 Formula 1989-1999 1000.6W, 6.0 Dsl.
Lamborghini-Agricultural 135 Formula 1989-1999 1000.6WT, 6.0 Dsl
Lamborghini-Agricultural 165 Racing 1991-1999 1000.6, 6.0 Dsl.
Lamborghini-Agricultural 190 Racing 1992-1999 1000.6, 6.0 Dsl.
Lancia - Europe Beta 1972-1984 1300
Lancia - Europe Beta 1972-1984 1400
Lancia - Europe Beta 1972-1984 1600
Lancia - Europe Beta 1972-1984 1800
Lancia - Europe Beta 1972-1984 2000
Lancia - Europe Delta 1982-1991 1600
Lancia - Europe Delta 1983-1991 1300
Lancia - Europe Delta 1983-1991 1500
Lancia - Europe Montecarlo 1980-1981 2000
Lancia - Europe Prisma 1983-1986 1600
Lancia - Europe Thema 1988-1994 8144.91.2200, 2445ccm, 2.5 TD
Lancia Beta 1976-1978 L4 1.8L 1755cc
Morgan - Europe 4+4 1982-1986 1600, Fiat Eng
Seat - Europe Ibiza 1986-1993 900
Seat - Europe Marbella 1988-1996 850
Seat - Europe Marbella 1988-1996 900
Seat LCV - Europe Terra Vista 1989-1994 900
VM (Stabilimenti Meccanici) HR 492 HT 9 1980-1987 2.4L Diesel
VM (Stabilimenti Meccanici) HR 494 HT 10 1986-1988 2.8L Diesel
VM (Stabilimenti Meccanici) HR 692 HI 9 1983-1988 3.6L Diesel
VM (Stabilimenti Meccanici) HR 692 HT 9 1981-1988 3.6L Diesel
VM (Stabilimenti Meccanici) HR 694 HT 10 1986-1987 4.2L Diesel
Yugo - Europe 3500 1983-1991 903
Yugo - Europe Tempo 1991-1993 903
Yugo LCV - Europe 45A 1988-1989 903

Features & Benefits

  • Precision aftermarket replacement part

  • Converts alternator-generated AC current into DC current for the vehicle charging system

  • Helps maintain proper battery charging and electrical system performance

  • Designed to provide reliable current rectification and power distribution

  • Manufactured to match original fit and function

  • Designed for dependable long-term operation

  • Ideal for alternator rebuilding and repair

  • Cross-referenced to OEM and aftermarket part numbers


What Does an Alternator Rectifier Do?

The alternator rectifier converts the alternating current (AC) produced by the alternator stator into direct current (DC) that can be used by the vehicle's electrical system and battery. It uses a series of diodes to control the direction of electrical current, allowing the alternator to provide usable DC charging output.

A properly functioning rectifier is essential for stable alternator performance and reliable battery charging. Failed or damaged rectifier diodes can reduce alternator output, create excessive AC ripple, cause intermittent charging problems, or prevent the alternator from charging properly. Replacing a faulty rectifier is an important step in restoring proper alternator operation.


Common Signs Replacement Is Needed

Replace the alternator rectifier if you notice:

  • Battery warning light illuminated

  • Battery not charging properly

  • Low or inconsistent charging output

  • Excessive AC ripple during charging system testing

  • Failed or shorted rectifier diodes

  • Intermittent charging system operation

  • Excessive heat or visible damage to the rectifier

  • Burned, damaged, or corroded stator connections

  • Rectifier failure discovered during alternator rebuilding or bench testing


Installation Recommendations

Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new rectifier, inspect the stator leads, rotor, voltage regulator, brushes, brush holder, slip rings, bearings, terminals, insulators, and internal wiring for signs of wear, overheating, corrosion, or damage.

Always verify the rectifier mounting configuration, terminal arrangement, stator connection points, dimensions, and electrical design before installation. Where soldering is required, use proper alternator rebuilding procedures and avoid excessive heat that could damage the rectifier or surrounding components.

After reassembly, bench-test the alternator to confirm proper charging output, diode operation, and AC ripple performance before returning the alternator to service.


While You're Rebuilding

Inspect other common wear components to help maximize charging system reliability:


Why Buy From RC Auto Electric?

RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.


Disclaimer

Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original rectifier, mounting configuration, terminal arrangement, stator connection points, dimensions, electrical specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.

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