Genuine Genie replacement parts for the DC 24V belt and chain drive openers sold as ChainDrive 550 and 750, SilentMax 550 and 750, StealthLift 500 and StealthDrive 750. Use the diagram above each table to identify your part, then click the part number to order it.
These six models share one powerhead assembly and one 5-piece tube rail. Four parts differ between the two families: the motor, the circuit board, the encoder and the powerhead cover. Each of those rows below names the models it fits. Models ending in D have battery backup and use different covers and hardware.
| Ref | Part Number | Description |
|---|---|---|
| 1 | 41182R.S | Motor Assembly — 2035, 2055, 3035, 3055 (call for availability) |
| 1 | 41182S.S | Motor Assembly — 7035, 7055 (call for availability) |
| 1 | 39338R.S | Motor Assembly, Dual Bulb — earlier production |
| 1 | 39338S.S | Motor Assembly, Dual Bulb with Battery Backup — earlier production |
| 2 | 39344R.S | Light Socket Assembly — non-L models |
| 2 | 39179A.S | Light Socket Assembly — L models (call for availability) |
| 3 | LMLED1 | LED Light Bulb, garage door opener rated — universal replacement |
| 3 | 39718A.S | Integrated LED Module — L models (call for availability) |
| 4 | 39342R.S | Transformer, 120V |
| 5 | 39340R.S | Circuit Board Assembly — 2035, 2055, 3035, 3055 |
| 5 | 41922R.S | Circuit Board / Controller Kit — 7035, 7055 with battery backup |
| 5 | 39340S.S | Circuit Board Assembly, 7055 BBU — superseded by 41922R.S |
| 6 | — | Wi-Fi Circuit Board — Wi-Fi equipped models only, call for availability |
| 7 | 39346R.S | Power Cord Assembly |
| 8 | 38437A.S | Screws, M6-1 x 12 (3 pack) — motor |
| 9 | 8706G04.S | Screws, #8 x 5/16 (3 pack) — cover and transformer |
| 10 | 39272S.S | Optical Encoder, NIDEC motor — 2035, 2055, 3035, 3055 (call for availability) |
| 10 | 41263R.S | Optical Encoder, RIDE motor — 2035, 2055, 3035, 3055 (call for availability) |
| 10 | 39272T.S | Optical Encoder, NIDEC motor — 7035, 7055 (call for availability) |
| 10 | 41263T.S | Optical Encoder, RIDE motor — 7035, 7055 (call for availability) |
| — | 39356R.S | Powerhead Cover — 2035 |
| — | 39356S.S | Powerhead Cover — 2055 |
| — | 39356W.S | Powerhead Cover — 3035 |
| — | 39356V.S | Powerhead Cover — 3055 |
| — | 39356U.S | Powerhead Cover — 7035 |
| — | 39356T.S | Powerhead Cover — 7055 |
| — | 41717R.S | Powerhead Cover — all D models (call for availability) |
| — | 38911A.S | Light Lens Cover — non-D models |
| — | 41689R.S | Light Lens Cover, 2-piece — D models (call for availability) |
| — | 39524R | Battery Backup Unit, PBB-BX — complete external unit |
| — | 111658.0002.S | Replacement Battery only, 12V 5Ah SLA |
| — | 39577R.S | Battery Backup Case and Hardware — non-D models (call for availability) |
| — | 41095R.S | Battery Backup Case and Hardware — D models (call for availability) |
| — | 38936A.S | Battery Backup Harness (call for availability) |
| Ref | Part Number | Description |
|---|---|---|
| A | 39410R.S | 5-Piece Rail Assembly, complete — Chain, 7 ft |
| A | 39411R.S | 5-Piece Rail Assembly, complete — Belt, 7 ft |
| B | 39277R.S | Sprocket Support Assembly — Chain |
| B | 39278R.S | Sprocket Support Assembly — Belt |
| C | 38893R.S | Carriage Assembly |
| D | 39276R.S | Idler Pulley Assembly |
| E | 39352R.S | Chain Assembly, 7 ft |
| E | 39354R.S | Belt Assembly, 7 ft |
| E | 39352S.S | Chain Assembly, 8 ft |
| E | 39354S.S | Belt Assembly, 8 ft |
| F | 37476A.S | Door Arm, Curved |
| G | 37475A.S | Door Arm, Straight |
| H | 21243B.S | Hanging Strap, 3/4 x 25 (2 required) — also listed by Genie as 39761A.S |
| — | 39027R | Rail Extender Kit to 8 ft — Chain |
| — | 39026R | Rail Extender Kit to 8 ft — Belt |
| — | 37714S.S | Wire Clips (50 pieces) |
Genie ships the installation hardware in colour-coded bags. These letters are the bag markings, not diagram callouts.
| Bag | Part Number | Description |
|---|---|---|
| A | 39010R.S | Mounting Parts Pack — Orange Bag (turnbuckle, clevis and cotter pins, rail strap, header bracket, lag screws) |
| B | 39011R.S | Installation Parts Pack — Blue Bag (door bracket, emergency release handle and cord, clevis and cotter pins, bolts and nuts) |
| C | 39012R.S | Belt Retainer Parts — Clear Bag, belt drive models only |
| D | 37105S.S | Hanging Hardware — Green Bag (bolts, serrated flange nuts, lag screws, 30 insulated staples) |
| Part Number | Description | |
|---|---|---|
| — | 37220R | Safe-T-Beam Photo Eye Set — source and sensor with mounting screws |
| — | 39165R | Series II Wired Wall Console |
| — | GK-BX | Intellicode Wireless Keypad |
| — | 42368R | GK2-P Wireless Keypad |
| — | G3T-BX | 3-Button Remote Control, dual frequency 315/390 MHz |
| — | G1T-BX | 1-Button Remote Control |
Your model number is on the powerhead label, usually on the rear panel or under the light lens cover. Parts marked "call for availability" are current Genie numbers we do not hold in stock — contact us and we will source them.