The Mahle OE sleeve assembly ring set for IH C-123/U-123 engines to S/N 35830 with a 3-1/8 inch bore is a replacement sleeve and ring package intended for engine rebuilds. It restores correct bore sizing and sealing surfaces during overhaul work and serves as a direct-fit repair component for the specified engine serial range without adding speculative material or performance claims.
Mahle Rings Case Formerly IH C-123 U-123 to S/N 35830 3-1/8in Bore Sleeve Assy Ring Set