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Meritor · Hardware & Fasteners
750.KT2638
In stock · ships from Knoxville
This is a pinion nut and washer lock kit, commonly referred to as a lock nut kit, for Meritor heavy-duty drive axles.
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Designed for specific Meritor rear differential pinion assemblies. Kit includes Meritor components 40X1233 (nut) and 1229W4521 (washer).
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It includes a large M38 x 1.5 thread nut and the corresponding hardened washer that locks it in place on the pinion shaft. You typically replace this kit when servicing the pinion seal, yoke, or differential to ensure the pinion nut stays properly torqued and doesn't back off.
Part Number: 750.KT2638
Lock Nut Kit Meritor
Dealer: Knox Trailers
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