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Description
P373 J560 7-WAY CONNECTOR INSERTTechnical Specifications Part Type J560 7 Way Connector Insert Part Number P373 Brand Line Peterson Manufacturing Description J560 7 Way Insert; Solid Pin. Deep socket receptacle is 3 8" deeper for improved connection strength and reliability. Solid pin design for durable, long lasting performance in heavy duty trailer applications. Pin Type Solid Pin Socket Depth 3 8" deeper than standard Key Feature Deeper socket for stronger, more reliable
Technical Specifications
| Part Type | J560 7-Way Connector Insert |
| Part Number | P373 |
| Brand / Line | Peterson Manufacturing |
| Description | J560 7-Way Insert; Solid Pin. Deep socket receptacle is 3/8" deeper for improved connection strength and reliability. Solid pin design for durable, long-lasting performance in heavy-duty trailer applications. |
| Pin Type | Solid Pin |
| Socket Depth | 3/8" deeper than standard |
| Key Feature | Deeper socket for stronger, more reliable connection |
| Packaging | Poly Bag |
| Application | Assembly or repair of J560 7-way trailer connectors on heavy-duty trucks and trailers |
Cross References
| Brand | Part Number |
|---|---|
| Peterson Manufacturing | P373 |
| Peterson Manufacturing | P374 (Split Pin version of the J560 7-Way Insert) |
| Application | J560 7-Way Insert with Solid Pins |
Vehicle Fitment
| Make | Model | Model Years | Notes |
|---|---|---|---|
| UNIVERSAL | All Heavy-Duty Trucks & Trailers using J560 7-Way Connectors (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 | J560 7-way connector assembly/repair |
| 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 | J560 7-way connector assembly/repair | |
| 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 | J560 7-way connector assembly/repair | |
| Universal for any vehicle or trailer using standard J560 7-way trailer connectors. | Direct fit for J560 connector repair/assembly | ||
| Notes | Peterson P373 is the solid-pin version of the J560 7-way insert. The deeper socket design provides a stronger, more reliable connection compared to standard inserts. Ideal for new connector assembly or repair of existing J560 plugs on heavy-duty trucks and trailers. Pairs with the split-pin version (P374) depending on application preference. | ||
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 1822 reviews
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Product Reviews
★★★★★ 5
Best socks!
Size: Medium, Color: Blue
I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
★★★★★ 1
TOO SMALL
Size: Medium, Color: Blue
Nice socks, but they are way too small. Says they fit size 6 - 10. I kept 3 ( I wear size 8) and gave 3 to my daughter (size 8.5). We both agreed that they were just too small.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
★★★★★ 5
Love my socks!
They fit perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026