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  1. Home
  2. Garage Replacement Parts
  3. CHAMBERLAIN After 2014
  4. CG42D,CG42CD,CG42CDM,CG42CS

Chamberlain CG42D, CG42CD, CG42CDM & CG42CS Replacement Parts

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Products [41]

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Liftmaster 144C56 Idler Pulley (Square Rail)
Liftmaster 144C56 Idler Pulley (Square Rail)
$8.17
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Liftmaster 12D598 - U-bracket
LiftMaster 041D0598-1 U-Bracket Adaptor Kit
$19.03
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Liftmaster 4A1344 Light Socket
Liftmaster 4A1344 Light Socket
$19.03
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Liftmaster 178B35 Curved Door Arm Section
Liftmaster 178B35 Curved Door Arm Section
$16.02
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Liftmaster 41B4245-1 - Line cord
Liftmaster 41B4245-1 - Line cord
$19.03
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Liftmaster 178B34 Straight Door Arm Section
LiftMaster 178B34 Straight Door Arm Section
$22.95
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Liftmaster 108D36-2 Lens CG40D & CG42D
LiftMaster 108D36-2 Light Lens for CG40D & CG42D Garage Openers
$31.95
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Liftmaster 41A5047-2 Header Bracket Kit with Clevis Pin Garage Door Opener Rails
Liftmaster 41A5047-2 Header Bracket Kit with Clevis Pin Garage Door Opener Rails
$19.03
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Liftmaster 041A5615 / 41A5615 Chain Spreader Kit Chain Drive Garage Door Openers
Liftmaster 041A5615 / 41A5615 Chain Spreader Kit Chain Drive Garage Door Openers
$33.38
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Liftmaster 041A2828 / 41A2828 Rope Handle Kit for All Residential Garage Openers
Liftmaster 041A2828 / 41A2828 Rope Handle Kit for All Residential Garage Openers
$14.35
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Liftmaster 41A5266-3 Brackets for Snappy Safety Sensors Garage Door Opener Parts
Liftmaster 41A5266-3 Brackets for Snappy Safety Sensors Garage Door Opener Parts
$20.50
Not for Sale
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Liftmaster 030B0532-1, Motor Capacitor, 56uF, 220
LiftMaster 030B0532-1 Motor Capacitor 56uF 220V
$39.95
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Liftmaster 004A1008, MASTER LINKS, QTY 2, #48 CHAIN
Liftmaster 004A1008, MASTER LINKS, QTY 2, #48 CHAIN
$10.79
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Liftmaster 041A2817, DRIVE GEAR AND WORM KIT
Liftmaster 041A2817, DRIVE GEAR AND WORM KIT
$28.38
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Liftmaster 041A2818, LIMIT SWITCH DRIVE GEAR KIT
Liftmaster 041A2818, LIMIT SWITCH DRIVE GEAR KIT
$19.03
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Liftmaster 041A2822A, INTERRUPTER CUP
Liftmaster 041A2822A, INTERRUPTER CUP
$13.81
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Liftmaster 041A2825, HARDWARE KIT
Liftmaster 041A2825, HARDWARE KIT
$15.46
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Liftmaster 041A3150, TERMINAL BLOCK KIT
Liftmaster 041A3150, TERMINAL BLOCK KIT
$11.85
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Liftmaster 041A4166, LIGHTED PUSH BUTTON
LiftMaster 041A4166 Lighted Push Button Door Control
$13.56
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Liftmaster 041A5047-1, DOOR BRACKET KIT
LiftMaster 041A5047-1 Black Door Bracket Kit
$16.27
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Liftmaster 041A5807, CHAIN AND CABLE KIT, 7', 1/2HP
Liftmaster 041A5807, CHAIN AND CABLE KIT, 7', 1/2HP
$60.51
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Liftmaster 041A5807-2, CHAIN AND CABLE KIT, 10'
Liftmaster 041A5807-2, CHAIN AND CABLE KIT, 10'
$83.66
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Liftmaster 041A5807-4, CHAIN AND CABLE KIT, 8'
Liftmaster 041A5807-4, CHAIN AND CABLE KIT, 8'
$70.98
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Liftmaster 041A7276, TROLLEY WEAR PAD KIT
Liftmaster 041A7276, TROLLEY WEAR PAD KIT
$9.14
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Liftmaster 041B4494-1, BELL WIRE KIT
LiftMaster 041B4494-1 Bell Wire Kit
$19.03
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Liftmaster 041C4220A, CHAIN DRIVE GEAR AND SPROCKET KIT
Liftmaster 041C4220A, CHAIN DRIVE GEAR AND SPROCKET KIT
$53.64
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Liftmaster 041C4246, WIRE HARNESS KIT
Liftmaster 041C4246, WIRE HARNESS KIT
$19.03
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Liftmaster 041C4398A, RPM SENSOR KIT
Liftmaster 041C4398A, RPM SENSOR KIT
$28.95
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Liftmaster 041C5141-1, SQUARE RAIL TROLLEY KIT
Liftmaster 041C5141-1, SQUARE RAIL TROLLEY KIT
$43.84
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Liftmaster 041C5497, WIRE HARNESS KIT, HIGH VOLTAGE
Liftmaster 041C5497, WIRE HARNESS KIT, HIGH VOLTAGE
$28.38
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Liftmaster 041C5498, WIRE HARNESS KIT, LOW VOLTAGE
Liftmaster 041C5498, WIRE HARNESS KIT, LOW VOLTAGE
$19.03
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Liftmaster 041D0181, END PANEL
Liftmaster 041D0181, END PANEL
$34.63
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Liftmaster 041D3058, MOTOR AND BRACKET KIT
Liftmaster 041D3058, MOTOR AND BRACKET KIT
$164.30
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Liftmaster 041D3452, LIMIT SWITCH KIT
Liftmaster 041D3452, LIMIT SWITCH KIT
$34.62
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Liftmaster K010A0020, BATTERY, 3V, CR2034
LiftMaster K010A0020, BATTERY, 3V, CR2033
$7.27
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Liftmaster K012A0373, CAPACITOR BRACKET
Liftmaster K012A0373, CAPACITOR BRACKET
$8.29
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Liftmaster K012B0776, HANGING BRACKET
Liftmaster K012B0776, HANGING BRACKET
$10.51
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Liftmaster K029B0137, TRANSMITTER CLIP
Liftmaster K029B0137, TRANSMITTER CLIP
$9.36
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Liftmaster K031D0380M, SPROCKET COVER
Liftmaster K031D0380M, SPROCKET COVER
$9.68
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Liftmaster K083A0011-1, LITHIUM GREASE
Liftmaster K083A0011-1, LITHIUM GREASE
$12.80
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Liftmaster 041-0365-000 Safety Sensor Eyes with Brackets Kit , 1997-CURRENT
Liftmaster 041-0365-000 Safety Sensor Eyes with Brackets Kit , 1997-CURRENT
$44.50
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pagination

Frequently Asked Questions : Chamberlain CG42D,CG42CD,CG42CDM,CG42CS Chain Drive Garage Opener Replacement Parts


Q1: What are the most frequently replaced components on the Chamberlain CG42D and CG42CD series?

A1: The most commonly replaced components for these chain-drive operators include the logic board, gear and sprocket assembly, drive chain, and safety reversing sensors. These parts experience standard mechanical and electrical wear over years of daily operation.

Q2: How is compatibility verified for replacement parts on these specific Chamberlain models?

A2: To guarantee precise compatibility, locate the specific model number and manufacture date printed on the operator's data tag. Cross-reference these details with the original manufacturer parts diagram before selecting any replacement hardware.

Q3: What indicates that the internal gear and sprocket assembly requires replacement?

A3: A common symptom of a failing internal gear assembly is a motor that continues to run while the drive chain remains stationary. This issue typically indicates that the internal plastic drive gears have worn down or stripped, requiring a full assembly replacement.

Q4: Can a compromised or snapped drive chain be repaired with individual links?

A4: Chains that have snapped, stretched excessively, or suffered significant corrosion must be replaced entirely rather than patched with individual links. A compromised chain presents a structural safety risk and should be replaced with a complete OEM chain assembly.

Q5: Do newly installed logic boards for the CG42D and CG42CS require reprogramming?

A5: Yes, a newly installed logic board will not automatically recognize previously synchronized remote controls, wireless keypads, or travel limits. These accessories must be reprogrammed following the exact security and synchronization sequences outlined in the manufacturer's manual.

Q6: What type of safety reversing sensors are compatible with these specific operators?

A6: The CG42D, CG42CD, CG42CDM, and CG42CS series require standard Chamberlain infrared safety reversing sensors to maintain compliance with federal entrapment protection standards. If a sensor fails or sustains physical damage, an exact OEM replacement kit must be installed to restore safe operation.

Q7: What maintenance is recommended for the drive chain mechanism on these openers?

A7: Chain-drive systems require periodic inspections to ensure proper chain tension and to verify that the drive mechanism is adequately lubricated. For specific tensioning instructions or approved lubrication types, refer to the guidelines provided in the manufacturer’s manual.

Q8: What are the typical symptoms of a primary motor failure inside the powerhead?

A8: Motor failure is frequently characterized by excessive internal grinding noises, repeated thermal shutdowns, or a complete lack of movement when activated. In the event of an internal motor failure, consult a local qualified professional for diagnostic assistance and component replacement.

Q9: How are the up and down travel limits adjusted on these Chamberlain models?

A9: Travel limits dictate the precise points where the garage door stops during the open and close cycles. To safely adjust these limits without causing structural damage, follow the specific adjustment procedures detailed in the original equipment manual.

Q10: What safety precautions must be followed when replacing internal electrical components?

A10: Replacing internal hardware such as logic boards, internal transformers, or motors involves significant exposure to high-voltage electrical circuits. Always disconnect the operator from its power source before attempting any work, and strongly consider hiring a local qualified professional for electrical replacements.
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Local Pickup Available:  10900 NW 146th Street, Ste 107, Hialeah Gardens, FL 33018: 
Skip the shipping and pick up your order directly from our Hialeah Gardens warehouse. We’re centrally located and proud to serve customers in Hialeah, Miami, Doral, Miami Lakes, Miramar, Pembroke Pines, SouthWest Ranches, and many surrounding areas.  Call us for Directions - 305-696-5443
Gate Openers Unlimited Corp, 10900 NW 146th Street, Ste 107, Hialeah Gardens, FL 33018 | Office: 305-696-5443 | [email protected]

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