CUMMINS 5284100 Starter Replacement Direct-fit replacement starter engineered to OEM specifications for CUMMINS 5284100. Built to deliver the cranking torque, durability, and consistent operation you expect from your original equipment unit — at a fraction of the dealership cost. Vehicle Fitment This unit is intended for vehicles and equipment originally equipped with CUMMINS 5284100. Always verify fitment by year, make, model, engine, and trim before installing. Compare your existing unit's part number, mounting configuration, and electrical specifications against this listing, or consult a qualified technician. Application & Engineering Notes The CUMMINS 5284100 is a heavy-duty starter commonly used on Cummins ISB, ISC, ISL, ISM, and ISX engine families. Typical applications include Class 6 through Class 8 commercial trucks (Freightliner, Kenworth, Peterbilt, Mack, Volvo, International, Sterling), construction equipment, agricultural machinery, and stationary industrial engines. This is a Delco Remy 39MT-style architecture (12V, rotatable mounting flange) used widely across the medium- and heavy-duty diesel market. Common cross-references in this family: 3102919, 3938501, 3957592, 3603864, 3604492RX, 3604493RX, 5256410, 5367764, 8200433, Delco Remy 6907. Cross-Reference Replaces: CUMMINS 5284100 Key Features & Benefits Direct OEM-Style Fit — Built to OE specifications for plug-and-play installation; no modifications required. High Cranking Torque — Delivers reliable starts in cold weather and demanding conditions. Heavy-Duty Construction — Heat-resistant housing, hardened drive gear, and a reinforced solenoid for long service life. Bench-Tested for Reliability — Each unit is tested for output and consistent performance before shipment. OE Quality Without OE Pricing — Premium-grade replacement at a budget-friendly price. Installation Tips Disconnect the negative battery terminal before beginning installation. Inspect the flywheel/flexplate ring gear for wear or damaged teeth before installing the new starter. Torque all mounting bolts to manufacturer specification. Reconnect electrical leads in the correct sequence and confirm a clean ground connection. Warranty & Shipping Backed by our return policy and ships fast from Interlight. Free shipping on qualifying orders.
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