This page displays Genie Compatible Garage Door Opener screw drive 1/2 hp motor unit, Excelerator 1/2 hp motor unit, Chamberlain belt drive system, and 3800 Liftmaster Jackshaft units that are for sale, in stock, and ready to ship.

To aid in your purchase of Genie Compatible products, please Contact Us.

Screw Drive 1/2 hp Motor Unit

Genie Screw Drive 1/2 Horsepower Powerhead PRO95-2IC CM8600-IC
No Longer Available

See all Genie screw drive repair parts

  • This is a complete motor unit/power head . NO RAIL and SCREW IS INCLUDED!!!
  • Will retrofit to any Genie (IS, ISL, IC OR H Series), or Overhead Door (Signature Series) Brand Screw Drive Garage Door Opener. This Power Head will NOT retrofit to any other brand, type, or model of garage door opener
  • If the threaded screw on your current Garage Door Opener runs all the way through and out the back end of the power head, then this replacement Power Head WILL NOT WORK

- Motor Unit/Power Head
- (1) Intellicode® Series Remote Control
- (1) 29599S Standard Lighted Wall Button
- (2) 20113R Limit Switches
- (1) 36179R Carriage/Trolley
- (1) 35048E Safe-T-Beam® Sensor Assembly
- (1) 22766R Rail Strap
- (1) 35234A Lens Cover
- (1) 26013D Curved Arm
- (1) 26012D Straight Arm
- (1) 19792B Door Bracket
- (1) 35421A Header Bracket
- (1) 30257T Coupler
- All related nuts and bolts
- Screws, wire, and fasteners
- Installation/Owner's Manual
  • Includes everything needed except the Rail & Screw
  • You may reference all of the parts listed above in the appropriate index on our web site

- Rail/Screw Assembly

Other items you may be interested in...
GWKIC - Genie Intellicode Keyless Entry
LUB7 - Screw Drive Lubricant

There is a $60.00 re-stocking fee if this item is returned for ANY reason. If the item is opened, used, or missing parts, an additional re-stocking fee will be applied. If you experience installation trouble, or require technical assistance you may contact us or the Manufacturer.

Excelerator 1/2 hp Motor Unit

Genie Excelerator 1/2 Horsepower Powerhead PRO99-2IC PRO99-2IC

Excelerator models are obsolete and no loger produced

Click here for all repair parts

3800 Liftmaster Jackshaft



  • This applies to Chamberlain Belt Drive System:
  • This is a complete garage door opener system (315MHz)
  • Powerful 1/2 HP motor with a belt drive system which is as tough as a steel-belted tire
  • Ultra-quiet operation. Features the exclusive Motor Vibration Isolation System (MVIS®)
  • Includes:
       - Two 3-button remote controls with rolling code technology. Each remote can control up to three garage doors (315MHz)
       - SoftGlo™ multi-function control panel with oversized illuminated push button for easy location in the dark
       - Wireless keyless entry system to open the garage door without a remote or key
  • Lifetime motor warranty
  • 10 year belt drive warranty

There is a $75.00 re-stocking fee if this item is returned for ANY reason. If the item is opened, used, or missing parts, an additional re-stocking fee will be applied. If you experience installation trouble, or require technical assistance you may contact us or the manufacturer.
This applies to 3800 Liftmaster Jackshaft:
Ultra-Quiet, space-saving wall-mounted residential Jackshaft. This residential Jackshaft will provide a versatile solution to many unique installation problems. This wall mount design is perfect for doors with very low ceilings, cathedral ceilings, or obstructed ceilings, or if you want to maximize your ceiling storage space. The Jackshaft opener will accomplish many of today's needs. For sectional doors with TORSION SPRINGS ONLY up to 14' high. Can NOT be used with sectional overhead doors that have extension type springs.
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Contact Us

We invite your inquiries regarding your garage door opener.

  • For technical and compatibility issues, we must know the brand and model of your opener to help
  • Be sure to include your complete and accurate email address with your inquiry
Name A value is required.
Email Address (accurate) A value is required.Invalid format.
Phone No.
Brand of Opener
Model Number of Opener
(located on motor head behind light bulb cover)
Model Number of Remote Control
(located on back of remote)
Model/Part Number of Current Receiver
(located on Receiver)
Enter Security Code

Comments: - Owned by 1st Garage Door Openers, Inc., an independent family owned and operated business serving the Garage Door and Garage Door Opener Industry since 1981. Providing excellent customer service and assistance for over 25 years. We are a discount reseller of garage door opener remotes, repair parts, keyless entry and gate operator controls for your home, business, or gated community. We carry parts for the following garage door openers: Lift-Master, Chamberlain, Sears Craftsman, Access Master, Sears Best Craftsman, Sears Automatic Door Opener, Master Mechanic, Security +, Formula 1, Garage Master, Billion Code, LiftMaster Professional, Estate Series, Premium Series, Contractor Series, Power Driver, Whisper Drive, Genie, Alliance, Norelco, Blue-Max, Lift-A-Door, Pro Max, Hercules, Stealth, Excelerator, Intellicode, Genie Pro, OverDrive, Python 2, Signature, Phantom, Legacy, Medallion, CodeDodger, Overhead Door, Genie Shop Vac, Stanley, Vemco, Quiet Glide, SecureCode, Lightmaker, Innovative Products, Whistler, U-Install, Popular Mechanics, Allister, Allstar, Pulsar, MVP, Challenger, GTO, All-O-Matic, Electrolift, Westinghouse, AM/11, Linear, Access Pro, Moore-O-Matic, MegaCode, Delta 3, MultiCode, Heddolf, ESP Micom, Intercontinental Dynamics, Crusader, Wayne Dalton, iDrive, Door Master, Quantum, Classic Drive, Tec Key, Martec, Monarch, Telectron and other garage door openers, and gate operators. Brand names of Garage Door openers are registered trade names of the respective entities and are only used for reference.