1-Wire Alternator Regulator Rubber Port Plug – Compatible with Delco 10SI, 12SI, 21SI, 22SI, 27SI Alternators | Replaces 41-1307, 180-12115, 1987869
New Rubber Port Plug Cap for 1-Wire Alternator Regulators – Delco Compatible This high-quality rubber plug is designed for blocking the regulator port on 1-wire alternator regulators. Perfect fit for Delco 10SI, 12SI, 21SI, 22SI, 27SI/Type 200 and 202 Series IR/EF Alternators. Ideal for mechanics and rebuilders looking for a snug fit, OEM-level performance, and long-lasting durability. Part Number: 41-1307 / 180-12115 Material: Rubber Condition: Brand New Quantity: 1 Cap For Alternator Types: Delco 10SI, 12SI, 21SI, 22SI, 27SI (Type 200/202 Series) Replaces: Delco 1987869, J&N 180-12115 🔧 Compatibility & Unit Numbers: This part fits a wide range of OEM units including Agco, Case, Caterpillar, Cummins, John Deere, Ford, Hino, Navistar, Komatsu, and more. Common Lester Numbers: 7127-SE, 7136, 7138, 7160, 7167, 7178-3, 7197, 7289, 7564, 7641, 7850, 8002, 8020, 8070, 8365, 8560 and many others. 📦 Applications: Advance Mixer (1988–2003) Agco & Agco Allis (1994–2007) Cas