USED ON
- BMW (2012-2022) ** BMW - Europe (2011-2018) ** Lexus (2008-2014) ** Mini (2014-2020) ** Mini - Europe (2014-2018) ** Toyota (2017-2022)
Replaces
- Denso 021580-3055, 3055, Original Reference Number A628 04324 3S17 055, A628 08088 7U25 055
LESTER NUMBERS
- 11406, 14203, 20854, 21248
UNIT NUMBERS
- BMW 12-31-7-605-478, 12-31-7-605-478-02, 12-31-7-605-478-03, 12-31-7-605-480, 12-31-7-640-132, 12-31-7-640-875, 7640132, 7640132-03, 7640132-04; Denso 104210-6170, 104210-6173, 104210-639, 104210-6390, 104210-6391, 104210-6392, 104210-6393, 104210-6394, 104210-6395, 104210-6720, 104210-6721, 104210-6722, 104211-0971, TN104211-0971; Lexus 27060-38060; Original Reference Number 554456RI, 931265; Toyota 27060-0P420
Vehicle Application
| Make | Model | Year | Engine |
| BMW - Europe | 116i | 2015-2016 | 80kW, 109HP |
| BMW - Europe | 118d xDrive | 2015-2016 | 110kW, 150HP |
| BMW - Europe | 118d | 2015-2018 | 110kW, 150HP |
| BMW - Europe | 118i | 2015-2016 | 100kW, 136HP |
| BMW - Europe | 120d xDrive | 2015-2018 | 140kW, 190HP |
| BMW - Europe | 120d | 2015-2018 | 140kW, 190HP |
| BMW - Europe | 125d | 2015-2018 | 165kW, 224HP |
| BMW - Europe | 125i | 2011-2016 | 160kW, 218HP |
| BMW - Europe | 125i | 2013-2016 | 175kW, 238HP |
| BMW - Europe | 214d | 2015-2018 | 70kW, 95HP |
| BMW - Europe | 216d | 2014-2018 | 85kW, 116HP |
| BMW - Europe | 216i | 2015-2018 | 75kW, 102HP |
| BMW - Europe | 218d xDrive | 2015-2018 | 110kW, 150HP |
| BMW - Europe | 218d | 2014-2018 | 100kW, 136HP |
| BMW - Europe | 218d | 2014-2018 | 110kW, 150HP |
| BMW - Europe | 218i | 2014-2018 | 100kW, 136HP |
| BMW - Europe | 218i | 2015-2016 | 100kW, 136HP |
| BMW - Europe | 220d xDrive | 2014-2018 | 120kW, 163HP |
| BMW - Europe | 220d xDrive | 2014-2018 | 140kW, 190HP |
| BMW - Europe | 220d | 2014-2018 | 120kW, 163HP |
| BMW - Europe | 220d | 2014-2018 | 140kW, 190HP |
| BMW - Europe | 220i | 2013-2016 | 135kW, 184HP |
| BMW - Europe | 220i | 2014-2018 | 120kW, 163HP |
| BMW - Europe | 220i | 2014-2018 | 141kW, 192HP |
| BMW - Europe | 225d | 2014-2018 | 165kW, 224HP |
| BMW - Europe | 225i xDrive | 2014-2018 | 170kW, 231HP |
| BMW - Europe | 225i | 2014-2018 | 170kW, 231HP |
| BMW - Europe | 225xe | 2016-2018 | 100kW, 136HP |
| BMW - Europe | 228i | 2014-2016 | 180kW, 245HP |
| BMW - Europe | 318d xDrive | 2015-2018 | 110kW, 150HP |
| BMW - Europe | 318d | 2015-2018 | 110kW, 150HP |
| BMW - Europe | 318i | 2015-2016 | 100kW, 136HP |
| BMW - Europe | 320d xDrive | 2015-2018 | 140kW, 190HP |
| BMW - Europe | 320d | 2011-2018 | 120kW, 163HP |
| BMW - Europe | 320d | 2015-2018 | 140kW, 190HP |
| BMW - Europe | 320i xDrive | 2011-2016 | 135kW, 184HP |
| BMW - Europe | 320i xDrive | 2013-2016 | 120kW, 163HP |
| BMW - Europe | 320i xDrive | 2015-2016 | 135kW, 184HP |
| BMW - Europe | 320i | 2012-2016 | 135kW, 184HP |
| BMW - Europe | 320i | 2013-2016 | 120kW, 163HP |
| BMW - Europe | 320i | 2015-2016 | 135kW, 184HP |
| BMW - Europe | 325d | 2015-2018 | 1995ccm |
| BMW - Europe | 328i xDrive | 2011-2016 | 180kW, 245HP |
| BMW - Europe | 328i | 2011-2016 | 180kW, 245HP |
| BMW - Europe | 330i xDrive | 2015-2016 | 185kW, 252HP |
| BMW - Europe | 330i | 2015-2016 | 185kW, 252HP |
| BMW - Europe | 418i | 2015-2016 | 100kW, 136HP |
| BMW - Europe | 420d xDrive | 2015-2018 | 1995ccm |
| BMW - Europe | 420d | 2015-2018 | 1995ccm |
| BMW - Europe | 420i xDrive | 2013-2016 | 120kW, 163HP |
| BMW - Europe | 420i xDrive | 2013-2016 | 135kW, 184HP |
| BMW - Europe | 420i | 2013-2016 | 120kW, 163HP |
| BMW - Europe | 420i | 2013-2016 | 135kW, 184HP |
| BMW - Europe | 425d | 2015-2018 | 1995ccm |
| BMW - Europe | 428i xDrive | 2013-2016 | 180kW, 245HP |
| BMW - Europe | 428i | 2013-2016 | 180kW, 245HP |
| BMW - Europe | 518d | 2015-2018 | 1995ccm |
| BMW - Europe | 520d | 2015-2018 | 1995ccm |
| BMW - Europe | X1 | 2015-2018 | 1496ccm |
| BMW - Europe | X1 | 2015-2018 | 1995ccm |
| BMW - Europe | X3 | 2014-2018 | 1995ccm |
| BMW | 228i xDrive | 2015-2016 | L4 2.0L 1997cc 122cid |
| BMW | 228i | 2014-2016 | L4 2.0L 1997cc 122cid |
| BMW | 230i xDrive | 2017-2021 | L4 2.0L 1998cc 122cid |
| BMW | 230i | 2017-2021 | L4 2.0L 1998cc 122cid |
| BMW | 320i xDrive | 2013-2018 | L4 2.0L 1997cc 122cid |
| BMW | 320i | 2012-2018 | L4 2.0L 1997cc 122cid |
| BMW | 328i GT xDrive | 2014-2016 | L4 2.0L 1997cc 122cid |
| BMW | 328i xDrive | 2013-2016 | L4 2.0L 1997cc 122cid |
| BMW | 328i | 2012-2016 | L4 2.0L 1997cc 122cid |
| BMW | 330i GT xDrive | 2017-2019 | L4 2.0L 1998cc 122cid |
| BMW | 330i xDrive | 2017-2018 | L4 2.0L 1998cc 122cid |
| BMW | 330i | 2017-2018 | L4 2.0L 1998cc 122cid |
| BMW | 428i Gran Coupe | 2015-2016 | L4 2.0L 1997cc 122cid |
| BMW | 428i xDrive Gran Coupe | 2015-2016 | L4 2.0L 1997cc 122cid |
| BMW | 428i xDrive | 2014-2016 | L4 2.0L 1997cc 122cid |
| BMW | 428i | 2014-2016 | L4 2.0L 1997cc 122cid |
| BMW | 430i Gran Coupe | 2017-2020 | L4 2.0L 1998cc 122cid |
| BMW | 430i xDrive Gran Coupe | 2017-2020 | L4 2.0L 1998cc 122cid |
| BMW | 430i xDrive | 2017-2020 | L4 2.0L 1998cc 122cid |
| BMW | 430i | 2017-2020 | L4 2.0L 1998cc 122cid |
| BMW | 528i xDrive | 2012-2016 | L4 2.0L 1997cc 122cid |
| BMW | 528i | 2012-2016 | L4 2.0L 1997cc 122cid |
| BMW | X1 | 2016-2019 | L4 2.0L 1998cc 122cid |
| BMW | X2 | 2018-2023 | L4 2.0L 1998cc 122cid B46A20B |
| BMW | X3 | 2013-2017 | L4 2.0L 1997cc 122cid |
| BMW | Z4 | 2012-2016 | L4 2.0L 1997cc 122cid |
| Lexus | GS Turbo | 2017 | L4 2.0L 1998cc |
| Lexus | GS200t | 2016-2017 | L4 2.0L 1998cc 122cid |
| Lexus | GS300 | 2018-2019 | L4 2.0L 1998cc 122cid |
| Lexus | GS460 | 2008-2011 | V8 4.6L 4608cc |
| Lexus | IS F | 2008-2014 | V8 5.0L 4969cc 303cid |
| Lexus | IS200t | 2016-2017 | L4 2.0L 1998cc 122cid |
| Lexus | IS300 | 2018-2020 | L4 2.0L 1998cc 122cid |
| Lexus | RC Turbo | 2017 | L4 2.0L 1998cc |
| Lexus | RC200t | 2016-2017 | L4 2.0L 1998cc 122cid |
| Lexus | RC300 | 2018-2021 | L4 2.0L 1998cc 122cid |
| Mini - Europe | Cooper S | 2014-2018 | 1998ccm |
| Mini - Europe | Cooper | 2014-2018 | 1499ccm |
| Mini - Europe | Cooper | 2014-2018 | 1995ccm |
| Mini - Europe | John Cooper Works | 2014-2018 | 1998ccm |
| Mini - Europe | One | 2014-2018 | 1198ccm |
| Mini - Europe | One | 2014-2018 | 1496ccm |
| Mini | Cooper Clubman | 2016-2019 | L3 1.5L 1499cc |
| Mini | Cooper Clubman | 2016-2019 | L4 2.0L 1998cc 122cid |
| Mini | Cooper Countryman | 2017-2019 | L3 1.5L 1499cc GAS |
| Mini | Cooper Countryman | 2017-2019 | L4 2.0L 1998cc 122cid |
| Mini | Cooper | 2014-2019 | L3 1.5L 1499cc |
| Mini | Cooper | 2014-2020 | L4 2.0L 1998cc 122cid |
| Toyota | Highlander | 2017-2022 | V6 3.5L 3456cc 2GR-FKS |
| Toyota | Sienna | 2017-2020 | V6 3.5L 3456cc 2GR-FKS |
Features & Benefits
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Precision aftermarket replacement part
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Converts alternator-generated AC current into DC current for the vehicle charging system
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Helps maintain proper battery charging and electrical system performance
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Designed to provide reliable current rectification and power distribution
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Manufactured to match original fit and function
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Designed for dependable long-term operation
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Ideal for alternator rebuilding and repair
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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:
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Battery warning light illuminated
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Battery not charging properly
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Low or inconsistent charging output
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Excessive AC ripple during charging system testing
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Failed or shorted rectifier diodes
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Intermittent charging system operation
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Excessive heat or visible damage to the rectifier
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Burned, damaged, or corroded stator connections
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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.