INTRODUCTION 9 The Eaton® Spicer® rear axle serial number is located on the rear of the axle housing toward the carrier. C0032627 The Eaton® Spicer® carrier assembly serial number is located on the left side of the forward carrier, and the top of the rear carrier. C0032628 The MERITOR rear axle identification tag is located on the left or right rear of the rear axle housing, next to the carrier. C0032629