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Description
576 ROUND, 2-PRONG ELECTRONIC FLASHER (20-LAMP)Technical Specifications Part Type Electronic Flasher Turn Signal Relay Part Number 576 Brand Line Peterson Manufacturing Description 20 Lamp Electronic Flasher; 2 Prong. Heavy duty electronic flasher capable of handling up to 20 lamps. Round 2 prong design for easy plug in installation. Provides reliable, consistent flash rate for turn signals and hazard lights on vehicles with high lamp counts. Connector 2 Prong Round Capacity Up to 20 lamps Voltage
Technical Specifications
| Part Type | Electronic Flasher / Turn Signal Relay |
| Part Number | 576 |
| Brand / Line | Peterson Manufacturing |
| Description | 20-Lamp Electronic Flasher; 2-Prong. Heavy-duty electronic flasher capable of handling up to 20 lamps. Round 2-prong design for easy plug-in installation. Provides reliable, consistent flash rate for turn signals and hazard lights on vehicles with high lamp counts. |
| Connector | 2-Prong Round |
| Capacity | Up to 20 lamps |
| Voltage Range | 9V – 16V |
| Key Feature | High-capacity electronic design for multiple lamps |
| Packaging | Poly Bag |
| Application | Turn signal and hazard flasher for heavy-duty trucks and trailers with high lamp counts |
Cross References
| Brand | Part Number |
|---|---|
| Peterson Manufacturing | 576 |
| Peterson Manufacturing | 572 (2-Prong Round LED Flasher) |
| Application | 20-Lamp Electronic Flasher, 2-Prong Round |
Vehicle Fitment
| Make | Model | Model Years | Notes |
|---|---|---|---|
| UNIVERSAL | All Heavy-Duty Trucks & Trailers with 2-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 2-prong round flasher socket, especially those with multiple turn signal or marker lights. | Handles up to 20 lamps reliably | ||
| Notes | Peterson 576 is a heavy-duty electronic flasher designed for vehicles with high lamp counts. The 2-prong round format allows easy plug-in replacement. It delivers consistent flash rates even under heavy electrical loads, making it ideal for trucks with multiple turn signals, marker lights, or aftermarket lighting upgrades. | ||
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
4.6 ★★★★★
Based on 1276 reviews
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Product Reviews
★★★★★ 5
Great deal, 100% Satisfied.
Great size, comes the lid, well packed, fast delivery and really nice price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Grinder Set of 3
I really like these I use one for rainbow peppercorns and one for black peppercorns. The third one I am using for some coarse pink salt I accidently purchased instead of fine, once the coarse salt is used up, I plan to use it for white peppercorns. They work great, look good and are the perfect size for everyday use.
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Great product
Love that theyre adjustable.
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Reviewed in the United States on April 19, 2026
★★★★★ 3
Poor Quality
I wouldn't gift these... they seem to start having grinding issues after a few days of use. It feels like the grinding piece is binding / going to break when turning the top. Would not purchase again, and look for more durable item.
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Reviewed in the United States on March 20, 2023
★★★★★ 4
Lacking spices
They look just like pictures but it said they were pre- filled in the description and they arrived empty!
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Reviewed in the United States on March 31, 2026