Phillips 16-726 STA-DRY® 7-Way Socket — 2-Pack
The Phillips 16-726 is a waterproof 7-way trailer socket engineered for tractor-trailer electrical systems. Whether you’re replacing a corroded socket on a long-haul rig or stocking a maintenance bay, the 16-726’s STA-DRY® sealed inner cavity and non-corrosive housing hold up to road salt, magnesium chloride, moisture, and vibration. The Fontaine-style snap clip keeps the plug locked in. Extended front barrel with a 5° drain angle. 2-pack — keep one in the toolbox.
What’s Included
| Item | Quantity |
|---|---|
| Phillips 16-726 7-Way STA-DRY® Socket w/Snap Clip | 2 (two-pack) |
Key Features
| Specification | Detail |
|---|---|
| OEM Part Number | Phillips Industries 16-726 |
| Industry Standard | SAE J560 |
| Connection Type | 7-Way Trailer Socket Receptacle |
| Clip Style | Fontaine-style snap clip for positive plug retention |
| Mounting | 2-hole, 2-7/8" bolt spacing |
| Front Barrel | Extended; slanted 5° for active moisture drainage |
| Pin Construction | Split brass — superior conductivity, long contact life |
| Housing Material | Non-corrosive; resists magnesium chloride, road salt, oils, grease, fuels |
| Lid / Hinge | Unbreakable housing and lid; stainless steel hinge pin and spring |
| Inner Cavity Seal | Sealed to prevent contaminants reaching wire harness |
| Waterproof Design | STA-DRY® sealed construction |
| Weight | 0.62 lb per unit |
| Vendor | Phillips Industries |
Frequently Asked Questions
- Is the 16-726 compatible with standard 7-way trailer plugs?
- Yes. It meets SAE J560, the industry standard for 7-way trailer connectors used on most North American tractor-trailers.
- What is the difference between 16-724 and 16-726?
- Both use the same receptacle body. The 16-726 includes a Fontaine-style snap clip; the 16-724 does not. If your rig uses a clip mount, order the 16-726.
- What mounting pattern does this socket use?
- 2-hole with 2-7/8" bolt spacing — fits most Class 8 tractor and Fontaine-style bracket installations.
- Why stock a 2-pack?
- Trailer sockets take a beating. Having a spare means a quick swap in the yard instead of downtime waiting for parts.
FAQ
What is SKU 16-726?
Phillips 16-726 STA-DRY 7-Way Socket w/Clip - 2-Pack | Tractor-Trailer is sold here as SKU 16-726 on . Use that part number when you call so we pull this exact item, not a lookalike.
How much does Phillips 16-726 STA-DRY 7-Way Socket w/Clip - 2-Pack | Tractor-Trailer cost?
The live price is $42.00. That is the catalog price on this page. Call for fleet or carton counts.
Will Phillips 16-726 STA-DRY 7-Way Socket w/Clip - 2-Pack | Tractor-Trailer ship to my shop?
Yes. ships SKU 16-726 from Texas. In-stock orders typically leave the same or next business day. The cart shows shipping before you pay.
Can I return it if it is the wrong part?
Unused, resalable catalog items can be returned within 30 days. You pay return freight unless we shipped the wrong SKU. Custom-cut or used parts are not returnable.
Is this OEM or a generic copy?
Phillips 16-726 STA-DRY 7-Way Socket w/Clip - 2-Pack | Tractor-Trailer (16-726) is the catalog part on this listing. Do not assume interchange if your application needs a different fitting, color, or pack size — match the SKU.
How do I order more than one?
Use the quantity box, or call with SKU 16-726 for a pack or fleet count. Page price is per unit unless the title says otherwise.