
SF3813 – VALVE CORE TOOL W/ CORES
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
This compact brass valve core tool removes and installs Schrader valve cores on AC service ports. Comes with three replacement cores, so you can swap a leaking core on the spot. The textured grip makes it easy to use even with gloves on.
Specs: 3-inch all-brass body, textured grip. Includes 3 replacement valve cores. Supco SF3813 / CD3813.
Replaces: SF3813, CD3813
Fits: Standard Schrader valve service ports on HVAC and refrigeration systems.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.
Cross-reference numbers
This part replaces the following OEM and aftermarket numbers:
- CD3813
Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.




