Best Automotive Replacement Alternator Rectifiers in 2026
Daisy
Last Updated: Feb 11, 2026
Daisy
Last Updated: Feb 11, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Diffused Junction
Low Forward Voltage Drop
High Current Capability
High Surge Current Capability
RoHS Compliant
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Mercury/Mariner Rectifier
Fits the following 1967-1997 engines: 7.5, 9.8, 15, 20, 25, 35, 40, 45, 50, 65, 70, 75, 80, 85, 90, 95, 100, 110, 115, 125, 135, 140, 150, 175 and 200 HP
Replaces part numbers: 62351, 62351A 1, 62351A 2, 8M0058226, 78614, 78614A 1, 816770, 816770T, 332-2910, 332-2910A 1, 332-2910A 2, 332-2910A 3
Check manufacturer's recommended part numbers to ensure a proper fit for your application
Fit Type: Universal Fit
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Superior thermal design
Surge overload ratings to 400A (Peak)
Hole through for #8 Screw
Silver-plated copper terminals
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High Surge current capability
High Voltage available
Designed for a wide range of applications
Anode case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Diffused Junction
Low Forward Voltage Drop
High Current Capability
High Surge Current Capability
RoHS Compliant
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Diffused Junction
Low Forward Voltage Drop
High Current Capability
High Surge Current Capability
RoHS Compliant
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Thenki038 | 9.64 | ✅ | ✅ | ✅ |
Rectifier diode adopts high quality material which has high surge current capability.
ectifier diode has 1200V (1.2kV) voltage-DC reverse (Vr) (maximum) and 70A current-average rectification (Io).
High quality material can make sure the durability and stability of the product.
Small body, great replacement for tfor charging batteries, converter and power supply.
We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel free to contact us at any time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Superior thermal design
Surge overload ratings to 400A (Peak)
Hole through for #8 Screw
Silver-plated copper terminals
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Spec: Unit Type: RECTIFIER, Brief: Delco 10SI, 20SI, 30SI/TR
Replaces OEM Numbers: ARROWHEAD: 172-12001, CARGO: 130673, DELCO: 1891055, J & N: 172-12001, REGITAR-USA: RD-09, RD-09-01, RENARD: 5000, 5002, WAI: 31-101, YUNYI: DC5185HD
1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
100% New aftermarket Rectifier built to meet OEM specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| know-tek | 5.26 | ❌ | ❌ | ❌ |
25A Rotating Rectifier RSK1001 For Generator BC16 BC18 Series Alternator ZX25-12 Diode Kit with Base Plate RSK 1001
25A Rotating Rectifier RSK2001 For Generator UCI22 UCI27 UCI Series Alternator ZX25-12 Diode Kit with Base Plate RSK 2001
40A Rotating Rectifier RSK5001 For Generator HC4 HC5 Series Alternator ZX40-12 Diode Kit with Base Plate RSK 5001
70A Rotating Rectifier RSK6001 For Generator HC7 LV6 Series Alternator ZX70-12 Diode Kit with Base Plate RSK 6001
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Xudering-US | 6.12 | ✅ | ✅ | ✅ |
The rectifier diode has high surge current capability
The chassis is mounted with studs for easy installation
High quality material can make sure the durability and stability of the product
Small body, great replacement for the old or damaged one.
Suitable for charging batteries, converter and power supply
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| QiuElec | 0.00 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tcover1984 | 9.90 | ✅ | ✅ | ✅ |
The rectifier diode has high surge current capability, adopts high quality material,durability and stability
The chassis is mounted with studs, it has compact size and simple construction, easy to install
Here are total 5 pairs Rectifiers in one package, they are great replacements for the old or damaged ones.
Rectifier diode has 1200V (1.2kV) voltage-DC reverse (Vr) (maximum) and 25A current-average rectification (Io).
Rectifier can be widely used for charging batteries, converter and power supply, if you're not entirely satisfied, please just feel free to contact us at any time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OEG Parts | 9.81 | ❌ | ❌ | ❌ |
Replacement Part Numbers: 172-52080, A6280170710K29775, A628-01707-10K29-775, A628052336K05777, A628-05233-6K05-777, AND1245, AND1257, 17252080
Product Type: Rectifiers & Diodes; Condition: New; Voltage: 12V; Mounting Hardware Included: No; Number of Pieces: 1; Country of Origin: CN
12-50A Press-Fit Avalanche Diodes (20-24V) - Late-Style, Cast Heat Sinks - All Items Tested for Reliability, Durability and Performance
One Year Hassle Free Guarantee
See Product Description for Additional Specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ALL-CARB | 9.86 | ✅ | ✅ | ✅ |
Model: SSAYEC432 Diode Kit Rectifier
Diode Kit: 3 of Forward diodes + 3 of Reverse Diodes installed on 2 half-moon green plates
Material: This mini size rotating rectifier module adopts metal construction, which possesses good durability and long service life, so you can trust and use this voltage rectifier with confidence
Suitable For: The SSAYEC432 Kit Rectifier fit for Leroy Somer Alternators
Simple Installation: With simple construction, this bridge rectifier diode wheel is easy to mount
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Nte Electronics | 6 |
| Cdi Electronics | 1 |
| Db Electrical | 1 |
| Generic | 1 |
| Hyuduo | 1 |
| Knowtek | 1 |
| Liebewh | 1 |
| Marddpair | 1 |
| Oeg Parts | 1 |
| Zookoto | 1 |
We've carried out a comprehensive analysis of 697 reviews on automotive replacement alternator rectifiers, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select automotive replacement alternator rectifiers priced around $17.83, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 15 automotive replacement alternator rectifiers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right rectifiers Products based on their needs, saving them considerable time when choosing which automotive replacement alternator rectifiers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
