Smith & Wesson SW409A Pistol Sear Housing Block Pin .40 S&W Used OEM - SW409A1
$6.99
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Smith & Wesson SW409A Pistol Sear Housing Block Pin .40 S&W Used OEM - SW409A1
$6.99
This listing is for one (1) used Smith & Wesson SW409A pistol sear housing block pin, .40 S&W. Inspected and functional.
The sear housing block pin retains the sear housing assembly within the frame. A worn, damaged, or missing pin can cause action instability or failure to function. Removed from a functioning pistol and inspected prior to sale.
Part Details
- Part Number: SW409A1
- Condition: Used (OEM) — inspected and functional
- Caliber: .40 S&W
- Part Type: Sear Housing Block Pin
- Series: 3rd Generation
- Fits: See compatibility chart below
Model Compatibility
| Model | Caliber | Series | Compatible | Notes |
|---|---|---|---|---|
| SW409A | .40 S&W | 3rd Gen | ✓ Yes | Confirmed fit |
| Other 3rd Gen .40 S&W models | .40 S&W | 3rd Gen | Verify | Verify before ordering |
| 9mm / .45 ACP / 10mm models | Various | 3rd Gen | ✗ No | Caliber/model-specific — not compatible |
Verify your exact model designation before ordering. Contact us if you are unsure of compatibility.
Installation Note
Sear housing pin replacement requires action disassembly by a qualified gunsmith. Proper sear housing retention and reliable function must be verified after installation. Factory replacement parts are manufactured to original S&W specifications and tolerances.
We stock OEM Smith & Wesson pistol and revolver parts — new, new old stock, and used. Questions? Email or call us for all your S&W needs.