Chamberlain C273 & C273C Replacement Parts

Liftmaster 891LM 1-Button Standard Remote Control

LiftMaster 891LM 1-Button Security+ 2.0 Remote Control

$32.95

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Liftmaster 144C56 Idler Pulley (Square Rail)

$8.17

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LiftMaster 041D0598-1 U-Bracket Adaptor Kit

$19.03

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Liftmaster 4A1344 Light Socket

$19.03

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Liftmaster 178B35 Curved Door Arm Section

$16.02

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Liftmaster 41B4245-1 - Line cord

$19.03

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LiftMaster 178B34 Straight Door Arm Section

$22.95

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LiftMaster 485LM 12V Garage Door Opener Battery - 41A6357-1

$69.95

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Liftmaster 41A5034 Snappy Sensors (1999-Current)

LiftMaster 041-0136 Safety Sensor Kit - Snappy Sensors

$34.62

(3)

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Liftmaster 041D0145-1 Replacement Light Lens Chamberlain Opener After 2011

LiftMaster 041D0145-1 Light Lens for LiftMaster and Chamberlain Openers After 2011

$32.84

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Liftmaster 041D8006-1 Motor with Travel Module Replacement Kit after 2011 Opener

$214.95

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Liftmaster 041A7367-3 Push Button Door Control Push Button Door Control After 2011

LiftMaster 041A7367-3 Push Button Door Control Kit

$40.69

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Liftmaster 041D0277-1 Transformer, Wi-Fi Battery Backup Garage Door Openers

$84.16

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Liftmaster 41B5348-2 Sprocket and Hub Kit Chain Drive Garage Openers 41B5348-2

$24.95

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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

$20.50

Not for Sale

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Liftmaster 050DCTWFLK / 50DCTWFLK Receiver Logic Board, DC, WiFi, Lock Capable

$149.95

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LiftMaster 41D8071-4 Travel Module Replacement Kit, Universal DC Kit

$50.20

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Liftmaster 004A1008, MASTER LINKS, QTY 2, #48 CHAIN

$10.79

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Liftmaster 041A3150, TERMINAL BLOCK KIT

$11.85

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LiftMaster 041A5047-1 Black Door Bracket Kit

$16.27

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Liftmaster 041A5807, CHAIN AND CABLE KIT, 7', 1/2HP

$60.51

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Liftmaster 041A7276, TROLLEY WEAR PAD KIT

$9.14

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LiftMaster 041A7920-1 Residential Garage Door Opener Hardware Kit

$22.10

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LiftMaster 041B4494-1 Bell Wire Kit

$19.03

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Liftmaster 041C5141-1, SQUARE RAIL TROLLEY KIT

$43.84

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LiftMaster 041D0646-2 Silver Cover for Chamberlain C273 Garage Door Opener

$52.59

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Liftmaster 041D9069, WIRE HARNESS

$19.79

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Liftmaster K010A0020, BATTERY, 3V, CR2034

LiftMaster K010A0020, BATTERY, 3V, CR2033

$7.27

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Liftmaster K012B0776, HANGING BRACKET

$10.51

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Liftmaster K029B0137, TRANSMITTER CLIP

$9.36

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Liftmaster K083A0011-1, LITHIUM GREASE

$12.80

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Liftmaster 41D1624-1 Motor with Travel Module Replacement Kit after 2011 Opener

LiftMaster 041-0236-000 DC Motor with Travel Module

$214.95

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Liftmaster 041-0365-000 Safety Sensor Eyes with Brackets Kit , 1997-CURRENT

$44.50

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Frequently Asked Questions : Chamberlain C273, C273C Chain Drive Garage Opener Replacement Parts

Q1: What are the most common replacement parts for the Chamberlain C273 and C273C?

A1: The most frequently replaced components on these 1/2 HP chain-drive models include the logic board, motor capacitor, gear and sprocket assembly, and safety reversing sensors. These parts experience standard mechanical and electrical wear over years of daily operation.

Q2: How can I verify that a replacement part is compatible with my Chamberlain C273 or C273C?

A2: To guarantee precise compatibility, locate the exact 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 are the symptoms of a failing gear and sprocket assembly on these models?

A3: A deteriorating gear and sprocket assembly often produces excessive grinding noises, or the internal motor may run while the drive chain remains stationary. Physical inspection might reveal white plastic shavings inside the powerhead, indicating the assembly needs replacement.

Q4: What indicates that the motor capacitor on this AC operator is failing?

A4: A defective motor capacitor typically results in the opener emitting a loud humming sound without initiating any upward or downward door movement. Visual inspection might also reveal a bulging or leaking outer casing, indicating immediate replacement is necessary.

Q5: Do newly installed logic boards require remote control reprogramming?

A5: Yes, a newly installed logic board will not automatically recognize previously synchronized remote controls, keypads, or integrated smart devices. These accessories must be reprogrammed following the security sequence outlined in the manufacturer's manual.

Q6: Can a stretched or damaged drive chain be repaired using individual links?

A6: Drive chains operate under immense mechanical tension and cannot be safely patched or repaired with individual replacement links. A compromised or significantly stretched drive chain must be entirely replaced to maintain the structural integrity and safety of the system.

Q7: What type of safety reversing sensors do the C273 and C273C operators require?

A7: These operators require standard Chamberlain infrared safety reversing sensors to comply with mandatory entrapment protection regulations. If a sensor fails or sustains physical damage, an exact OEM replacement kit must be installed to restore safe operation.

Q8: How are the travel limits adjusted on these chain-drive operators?

A8: Travel limits determine the precise stopping points for the garage door's upward and downward cycles. To safely recalibrate these mechanical limits, consult the step-by-step adjustment instructions provided in the original manufacturer's manual.

Q9: Why is it crucial to use original equipment manufacturer (OEM) parts for component replacement?

A9: Utilizing OEM components ensures precise structural fitment, proper electrical regulation, and reliable communication within the opener system. Aftermarket alternatives can cause compatibility failures, reduced equipment lifespan, or introduce potential safety hazards.

Q10: What safety precautions should be taken when replacing internal electrical components?

A10: Replacing internal components such as logic boards, internal transformers, or the primary AC motor involves significant exposure to high-voltage electrical currents. For technical replacements involving the electrical system, strongly consider hiring a local qualified professional.

Chamberlain C273 & C273C Replacement Parts

Products [34]

Frequently Asked Questions : Chamberlain C273, C273C Chain Drive Garage Opener Replacement Parts

Q1: What are the most common replacement parts for the Chamberlain C273 and C273C?

Q2: How can I verify that a replacement part is compatible with my Chamberlain C273 or C273C?

Q3: What are the symptoms of a failing gear and sprocket assembly on these models?

Q4: What indicates that the motor capacitor on this AC operator is failing?

Q5: Do newly installed logic boards require remote control reprogramming?

Q6: Can a stretched or damaged drive chain be repaired using individual links?

Q7: What type of safety reversing sensors do the C273 and C273C operators require?

Q8: How are the travel limits adjusted on these chain-drive operators?

Q9: Why is it crucial to use original equipment manufacturer (OEM) parts for component replacement?

Q10: What safety precautions should be taken when replacing internal electrical components?