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Ametek

Ametek Vacuum Motor Carbon Brush Assembly - 115330, 115334, 115519 Series

Ametek Vacuum Motor Carbon Brush Assembly - 115330, 115334, 115519 Series

$11.99 USD
$11.99 USD
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33415-4
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Most in-stock orders using standard shipping are processed within 1-5 business days, and most arrive 2-11 business days after they are placed. Backordered and special-order items may take longer. Expedited UPS Ground is available at checkout for an extra charge, including on orders that qualify for free standard shipping. See our Shipping Policy for details.

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Need to return an item? We’re happy to help. Eligible items may be returned by requesting authorization within 35 days of delivery. Once approved, your return must reach us within 21 days.

Return eligibility

Items must be unused, in new condition, and include their original packaging and all accessories. Machines that use water cannot be returned once unboxed, unless defective upon arrival.

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For non-defective returns, customers cover return shipping. Original shipping charges are nonrefundable. If your order included free shipping, our actual outbound shipping cost will be deducted from your refund. Eligible returns have no restocking fee.

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Warranty Information

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Product details

Ametek's box-type carbon brush assembly replaces the older split-carbon brush used on earlier 7.2-inch Lamb motors, and this OEM part, 33415-4, is the current design fitted to that mounting style. The brush sits in a boxed holder rather than a split sleeve, so a motor that still carries the older split-carbon brush takes this boxed part as its replacement rather than a like-for-like copy of what came out.

Worn brushes announce themselves through the motor housing before the motor itself gives out: sparking flashes visible at the vents, suction that drops off and then recovers, a scratchy hum layered under the normal motor sound, and eventually a hot, burnt smell as the brush face runs down toward the spring. Replace both brushes as a pair.

This assembly is confirmed for a wide range of Ametek Lamb 7.2-inch motors: 115330, 115334, 115519, 115648, 115837, 115862, 115937, 115937-Z, 115948, 115948-B, 115950, 115962, 115963, 116103, 116117-11, 116118, 116119, 116136, 116137, 116138, 116139, 116141, 116154, 116154-11, 116161, 116262, 116262-01, 116264, and 116954-13.

  • Part: 33415-4, OEM box-type carbon brush assembly
  • Fits: the 29 Ametek Lamb 7.2-inch box-type motor numbers listed above
  • Symptoms of wear: sparking at the housing, uneven suction, burning smell
  • Note: not interchangeable with the earlier split-carbon brush design
  • Install note: replace both brushes together and inspect the commutator for scoring