Nexus Parts OnlineiMac 24 inch M4 2024 Logic BoardA3137 · 10 Core CPU · 10 Core GPU · 16GB · 256GB · 661-42945Grade A+ · Open BoxTechnical SpecificationsPart TypeLogic BoardDeviceiMac 24 inch (M4, 2024, Four ports)Model M4, 10 core CPU, 10 core GPUMemory16GB unified memoryStorage256GBQuantity Available2 matching boardsConditionOpen Box, Grade A+SKUNXP-A3137-LB-0928A+Matched to Apple's Parts ListApple lists this board as 661-42945 for the iMac 24 inch M4 2024 four port model with a 10 core CPU, 10 core GPU, 16GB memory and 256GB storage. The board's date code and module labels are shown up close in the photos.ConditionGrade A+. Like new. Genuine Apple OEM logic board for the iMac 24 inch M4 2024 (A3137, four port model), Apple part 661-42945: M4 with 10 core CPU and 10 core GPU, 16GB unified memory, 256GB storage. Both boards were pulled from a new unit and are essentially new, with no wear or handling marks; both sides are shown in the photos. It is listed as open box because only allows factory sealed parts to be listed as new. Two matching boards are available. Inspected again at pack time before it ships.CompatibilityFits the iMac 24 inch M4 2024 four port model (A3137).Does not fit the two port iMac 24 inch M4 (A3247, 8 core) or the M1 and M3 iMac 24 inch. Storage and memory are fixed to the board.What Is Included✓ 1x Genuine Apple OEM iMac 24 inch M4 A3137 logic board, 661-42945
✓ The attached flex cable, power cable and board shield plate shown in the photos
✓ Anti static packagingNot included: the display, housing, stand, power adapter, USB C board, fan or screws. What you see in the photos is what ships.Authenticity and ReturnsEvery item is photographed at pack time alongside the packing slip with the serial number visible. Returns are inspected against this evidence on receipt.Returns are accepted within 30 days. Items returned in the same condition as received will be refunded in full.Items returned opened, used, or in a different condition may receive a refund reduced by up to 50 percent to reflect the change in value, per policy. Items returned with mismatched serial, removed components, or evidence of testing or disassembly are escalated to using our pack time evidence.Remorse returns where the item is not defective are subject to a 20 percent restocking fee per seller terms.Buyers needing functional testing before purchase are welcome to message us first.Our Grading ScaleGrade A+Like new. No visible signs of use. Pulled from a new unit. This itemGrade AExcellent. Minimal signs of use. Fully tested and functional.Grade B+Very good. Light cosmetic wear that does not affect functionality.Grade BGood. Minor cosmetic wear. Fully tested and functional.Grade CFair. Visible cosmetic wear. Fully tested and functional.Same Day Shipping
Orders paid by 1 PM Pacific ship same business day14 Day Warranty
14 day guarantee after receiptNexus Parts Online · Professional Apple & PC PartsListed September 28, 2026 · SKU NXP-A3137-LB-0928A+
