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This is a new aftermarket voltage regulator.* It is an "exact replacement" for Leroy Somer R448, R448 LS, R448 LS/A, R448 LS/B, R448 LS/C and 9AR448. and AEM110RE016. Also replaces Olympian / FG Wilson # 922-124. The bolt pattern, terminals, and functions are all equal at a far better price!

Click here for manual.

Please call 717-274-9396 x 11 for technical assistance.

Built in factory that is certified by ISO9001 for highest quality standards.

NOTICE: High Voltage can be harmful or fatal!
By purchasing or installing this or any voltage regulator from Advanced Service And Parts, LLC, you agree to be responsible for the installation and application. The voltage regulator should be installed by a qualified generator technician.
Advanced Service And Parts, LLC will not be responsible for any incidental or consequential damages or personal injury. Our liability is limited to repair or replacement of the regulator if found defective. We do not manufacture these or any voltage regulator on our site; they are made by various manufacturers.




*Not a genuine Leroy Somer product

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  • Part #: VR448
  • 2 In Stock