Genuine, OEM Replacement Part Replacement upper housing, part number 530001004 Compatible with: BM26SS, BM26SSL3VNM, BM26SSL3VNMC, BM26SSVNM, BM4CSSAC, BM4CSSACC, BM4CSSACCVNM, BM4CSSACVNM, BM4CSSACVNMC, P2009, RY15523A, RY15523AVNM, RY252CS, RY253SS, RY254BC, RY25CSEMC, RY4CCS, RY4CCSVNM, RY4CSS, RY4CSSVNM, RYSST44, UT26CSEMC, UT26CSEMCVNM, UT26CSL3, UT26CSL3EMCVNM, UT26CSL3VNM, UT26SSEMC, UT26SSL3, UT26SSL3VNM, UT33600, UT33600B, UT33600BVNM, UT33650, UT33650B, UT33650BVNM Measures approximately 3.90 X 4.05 X 1.90 inches Replacement for Homelite OEM part# 530001004. Compatible with: BM26SS, BM26SSL3VNM, BM26SSL3VNMC, BM26SSVNM, BM4CSSAC, BM4CSSACC, BM4CSSACCVNM, BM4CSSACVNM, BM4CSSACVNMC, P2009, RY15523A, RY15523AVNM, RY252CS, RY253SS, RY254BC, RY25CSEMC, RY4CCS, RY4CCSVNM, RY4CSS, RY4CSSVNM, RYSST44, UT26CSEMC, UT26CSEMCVNM, UT26CSL3, UT26CSL3EMCVNM, UT26CSL3VNM, UT26SSEMC, UT26SSL3, UT26SSL3VNM, UT33600, UT33600B, UT33600BVNM, UT33650, UT33650B, UT33650BVNM