Product Overview
The LiftMaster K19-35072 / Elite Q213 is a #35 endless chain with 72 pitches used in select CSW200 swing gate operator drive assemblies. In the CSW200 operator, chain condition is important for smooth and consistent movement. A chain that has stretched, corroded, or developed stiff links can make the operator noisy, hard to adjust, or inconsistent under load. This replacement chain is specifically listed for LiftMaster CSW200 and CSW200UL swing gate operators. It should not be substituted with a generic chain unless the pitch, length, strength, and connection style are correct for the operator. During service, inspect the sprockets, tensioning hardware, and alignment because a worn sprocket or misaligned drive system can quickly damage a new chain.
Compatible With
- LiftMaster CSW200 commercial swing gate operators that list K19-35072 or Q213
- LiftMaster CSW200UL swing gate operators using #35 x 72P endless chain in the parts diagram
- Elite CSW200 operator references that use Q213 chain
- CSW-200 parts references listing K19-35072 #35 x 72P chain
- Not a universal #35 chain for every LiftMaster swing gate operator; pitch and length must match
Features and Specifications
| Manufacturer | LiftMaster |
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| Product Type | Endless drive chain |
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| Part Number | K19-35072 |
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| Related Numbers | Q213, K19-35072-Q213 |
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| Application | CSW200 swing gate operator drive system |
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| Compatible Operator Type | LiftMaster CSW200 / CSW200UL swing gate operators |
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| Chain Size | #35 |
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| Chain Length | 72 pitch |
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| Notes | Inspect sprockets and tensioning hardware during chain replacement |
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Also Known As / Related Part Numbers
Technician Note
This part should be matched by the operator model, original part number, and replacement parts diagram. Similar LiftMaster parts can look close but differ by switch rating, actuator style, chain length, bracket geometry, mounting pattern, or operator generation.
Before Ordering
- Confirm the manufacturer part number on the old part or parts diagram.
- Match the operator model and production series, not just the product family name.
- Compare physical mounting points, terminals, actuator style, chain length, or bracket layout where applicable.
- Check nearby worn parts that may have caused the original failure.
- For electrical switch replacement or unsafe gate movement, use a qualified gate or commercial door technician.
Professional Advisory
Gate and commercial door operators are heavy moving systems. Do not bypass monitored safety devices, limit controls, stop circuits, or required entrapment protection to keep an operator running. If the operator has high-voltage wiring issues, damaged controls, missing safety devices, or unpredictable movement, have the system inspected before returning it to service.
Product Questions and Answers
What operator uses the K19-35072 chain?
It is listed for LiftMaster CSW200 and CSW200UL swing gate operators.
What does #35 x 72P mean?
It refers to #35 chain size with 72 pitches, which must match the original operator chain requirement.
Is Q213 the same chain reference?
Q213 is commonly listed as the Elite reference associated with K19-35072.
What symptoms can point to a worn drive chain?
Noise, stiff links, visible rust, stretched chain, repeated tension adjustment, or jerky gate movement can point to chain wear.
Should sprockets be inspected too?
Yes. Worn or misaligned sprockets can damage a new chain quickly and may cause the same symptoms to return.