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Description
579 ELECTRONIC FLASHER, 3-PRONG 25-AMPTechnical Specifications Part Type Electronic Flasher Turn Signal Relay Part Number 579 Brand Line Peterson Manufacturing Description 25 Amp Electronic Flasher; 3 Prong. Heavy duty electronic flasher with 25 amp rating per side. 3 prong design for standard installations. Meets FMVSS 108 and SAE J590 & J945 specifications. Flash rate 60 120 FPM. Connector 3 Prong Current Rating 25 Amp per side Flash Rate 60 120 FPM Key Feature High amp electronic
Technical Specifications
| Part Type | Electronic Flasher / Turn Signal Relay |
| Part Number | 579 |
| Brand / Line | Peterson Manufacturing |
| Description | 25 Amp Electronic Flasher; 3-Prong. Heavy-duty electronic flasher with 25-amp rating per side. 3-prong design for standard installations. Meets FMVSS 108 and SAE J590 & J945 specifications. Flash rate 60-120 FPM. |
| Connector | 3-Prong |
| Current Rating | 25 Amp per side |
| Flash Rate | 60-120 FPM |
| Key Feature | High-amp electronic design with 3-prong connector |
| Packaging | Poly Bag |
| Application | Turn signal and hazard flasher for heavy-duty trucks and trailers |
Cross References
| Brand | Part Number |
|---|---|
| Peterson Manufacturing | 579 |
| Peterson Manufacturing | 576 (20-Lamp Electronic Flasher, 2-Prong) |
| Application | 25 Amp Electronic Flasher, 3-Prong |
Vehicle Fitment
| Make | Model | Model Years | Notes |
|---|---|---|---|
| UNIVERSAL | All Heavy-Duty Trucks & Trailers with 3-Prong Flasher Socket (Freightliner, Kenworth, Peterbilt, International, Western Star, Mack, Volvo, Sterling) | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | High-capacity turn signal / hazard flasher |
| Buses & Coaches | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | High-capacity turn signal / hazard flasher | |
| Trailers & Vocational Equipment | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | High-capacity turn signal / hazard flasher | |
| Universal for any vehicle with a standard 3-prong flasher socket requiring high current capacity. | Meets FMVSS 108 and SAE J590/J945 | ||
| Notes | Peterson 579 is a robust 3-prong electronic flasher rated for 25 amps per side. It delivers reliable performance under heavy electrical loads and meets all relevant federal and SAE standards. Ideal for trucks and trailers with multiple lights or aftermarket lighting upgrades that require higher current capacity than standard flashers. | ||
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 1167 reviews
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Product Reviews
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2024
★★★★★ 5
Good, Comfortable Fit
Size: Medium, Color: (100) White / White / Black, Number of Items: 6, Size: Medium, Color: (100) White / White / Black, Number of Items: 6
I wear a women’s size 9.5 and I got a size Medium. They fit perfect, they aren’t super heavy, but have cushion where needed. Perfect for my steel toe boots
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Son loves them!
Size: Large, Color: Black (6-pairs), Number of Items: 6
My son loves these socks! Comfy, good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Good fabric
Size: Medium, Color: White, Number of Items: 6
Nice socks. Would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 4
Quality and durable socks
Size: Large, Color: White (6-pairs), Number of Items: 6
Great quality socks. This pack was a lot taller on the cuff and bigger than previous batches I have had. Not sure what the change was, but giving it 4 instead of 5 because I preferred the smaller shorter ones they previously made. But these are great quality socks, and last a long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
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