S&W J Frame Model 642-2 Airweight Side Plate .38 Special +P – Part# 642D

Smith & Wesson J Frame Model 642-2 Airweight Side Plate – Stainless Steel

Replace a damaged, cracked, or lost side plate on your Model 642-2 Airweight with this factory-original component. The side plate covers and retains the internal fire control components on the left side of the frame — proper fit and secure seating are essential for keeping the action correctly assembled and functioning reliably. This stainless steel side plate is the correct factory replacement for the J Frame Model 642-2 chambered in .38 S&W Special +P.

• Part Number: 642D
• Fits: Smith & Wesson J Frame Model 642-2 Airweight
• Caliber: .38 S&W Special +P
• Part Type: Side Plate
• Finish: Stainless Steel
• Condition: Used (factory original)
• Installation: Gunsmith fitting recommended – proper alignment is critical for correct retention of internal parts

Factory Replacement Quality

Genuine Smith & Wesson factory part manufactured to the exact specifications and tolerances of the original — same dimensions, same fit, same reliable internal component retention. No aftermarket substitutes.

Finding Your Model Number

Swing out the cylinder and check behind the yoke on the frame. Model numbers have been stamped there since 1957–58. If your revolver has no model number, it predates that era — contact us with the serial number and we'll help identify the correct part.

Questions? Call or email us — we're happy to help you get the right part the first time.