Leaf Spring Insulator Pad - Upper Mack (Rubber)
Designed to sit between the leaf spring pack and the frame bracket, absorbing vibration and preventing metal-to-metal contact on Mack rear suspensions. Often called an "elephant pad" due to its distinctive shape, this upper insulator helps maintain proper spring alignment and reduces noise while extending component life. Direct OEM replacement for worn or cracked rubber pads on Mack camelback suspension systems.
1 in stock
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Inspected partsMultiple checks before a part leaves Bristol.
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Ships from PennsylvaniaIn-stock orders leave the Bristol warehouse.
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Call the counterPart numbers, VIN lookups, and shop POs.
Need a number pulled?
Send the SKU, interchange, or VIN. The Bristol counter writes back.
Returns follow the policy on the order invoice.
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Free shipping on qualified orders $195.00+
| Manufacturer | Part number | Notes |
|---|---|---|
| Mack OE | 10QK370, 25115012 | |
| PAI Industries | EM49100 |
Verified Google Reviews
Customer reviews
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The counter pulled the interchange on a Haldex slack before I finished the VIN. Drum was on a pallet that afternoon.
Mike R.
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We stopped guessing on air springs. Same Hendrickson family as the WD shelf, priced so the truck goes back out.
Dana S.
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Called with a dirty casting number. They matched Truck-Lite and had two lamps ready to ship from Bristol.
Jose M.
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Owner-op here. Free ground over $195 is the only reason I do not drive to the pike for every filter run.
Chris T.
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Inspected parts, no mystery boxes. Our bay has used Fleet One for drums and chambers since 2019.
Pat K.
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Needed a 16.5 drum on a Friday. Bristol had the casting and it was on a truck before second shift.
Ron H.
