Brand-new carburetor for reliable performance. Mounting studs measure 2-11/16" center-to-center. Fuel inlet: 1/8" NPT with 5/16" tube adapter. Replacement Zenith style. High-quality craftsmanship: Every JJAgParts product is hand-selected, rigorously monitored, and built for durability and fitment. OEM part numbers are provided for reference only and should be verified before purchase. Replaces these part numbers: Ford C5NN9510N, C9NN9510C, E1NN9510CA; Zenith 13912; Holley R3210, R3657, R3658, R3658A, R4101, R4111, R4111-1A, R6852, R8554. High-quality craftsmanship: Every JJAgParts product is hand-selected, rigorously monitored, and built for durability and fitment. OEM part numbers are provided for reference only and should be verified before purchase. Your satisfaction is our priority: Family-owned and operated in the USA, JJAgParts is committed to high-quality products and excellent customer care. If you’re not completely satisfied, please contact us—we’re here to help and will do our best to make it right. Get your Ford tractor back in top working condition with this brand-new carburetor replacement. Built for durability and precise performance, this carburetor is designed to restore smooth operation and efficiency for a wide range of Ford models. Compatibility This carburetor replacement is compatible with the following Ford tractor models (1965–82): 4000 (3-Cyl.), 4100, 4110, 4140, 4200, 4400, 4500, 4600, 4610, and 515-555B. Perfect for tractors with 3-cylinder 201 C.I. engines, it ensures a seamless fit and reliable operation. Verify compatibility with your specific tractor model before purchase. Key Features - Brand-new construction: Engineered for reliable performance and long-lasting durability. - Precision design: Mounting studs measure 2-11/16" center-to-center, fuel inlet features a 1/8" NPT with a 5/16" tube adapter, and this carburetor is a replacement for the Zenith style. - Easy installation: Includes all essential components for a hassle-free replacement. Replacement Numbers Replaces Ford part numbers C5NN9510N, C9NN9510C, and E1NN9510CA, as well as Zenith part number 13912 and Holley numbers R3210, R3657, R3658, R4101, and more. OEM part numbers are provided for reference only and should be verified before purchase. JJAgParts Quality Promise Every JJAgParts product is hand-selected and rigorously monitored for quality and fitment. As a family-owned and operated business in the USA, we take pride in delivering exceptional products and service to our customers. If you’re not completely satisfied, contact us—we’re here to help and will do our best to make it right.