Fuel Pump For 3973228,4954200rx, 4943431,2897500,5594766 Cummins US. 4954200 INJECTION PUMP FUEL FOR ISC 8.3L / ISL 8.9L. DESCRIPTION: INJECTION PUMP FUEL FOR CUMMINS ISC 8.3L / ISL 8.9L 9 (NO CORE CHARGE). Fits most cummins isl 8.9. Cummins QSL, ISLe 3973228,2897500, 2897500NX, 4954200, 4954200NX, 4954200rx, 559476. Cross no 5311171, 4903462, 4921431, 4954200 fuel pump. If you are missing any parts, or need replacements, we will gladly provide those items upon request. Any product you return must be in the same condition you received it. And in the original packaging. Please keep the receipt. Customer feedback is important to us. We strive to satisfy every customer. We will do our best to solve your problem. We are (and always will be) committed to providing our customers with the best possible online shopping experience, exceptional quality products and extraordinary value. If we’ve fallen short in any way, or if there’s anything we can do to assist or improve your shopping experience with us, we want to know!