1631387 Gear-Flywheel Fits Caterpillar Models

Description

1631387 Gear-Flywheel Fits Caterpillar Models. 1631387, 163-1387, 1265875, 7W5095, 108038. Fits Caterpillar Engines: 3114, 3116, 3126, 3126B, 3126E, C7, C9, C-9, C9.3, C13. Fits Caterpillar Challenger (AGCO): 35, 45, 55, MTC735. Fits Caterpillar Motor Grader: 12H. eBay Tractorparts Store MICHIGAN, USA Have a question? Contact Visit Store Save Us As A Seller About Us 1631387 Gear-Flywheel Fits Caterpillar Models DESCRIPTION One New Aftermarket Replacement Flywheel Ring Gear Fits Caterpillar (Fits CAT) Engines and Equipment This aftermarket replacement flywheel ring gear (Gear-Flywheel) fits a wide range of Fits Caterpillar (Fits CAT) engines and equipment. The flywheel ring gear engages with the starter motor pinion to crank the engine, and is a critical component for reliable engine starting. This part carries the OEM designation 163-1387 and features a 134-tooth design with a 405 mm internal diameter, engineered to meet OEM fit and performance specifications. Specifications Tooth Count: 134 teeth Internal Diameter: 405 mm (405.14 mm) Weight: approx. 3-4 lbs Application: Engine flywheel ring gear (starter engagement) Compatible Models Fits Caterpillar Engines: 3114, 3116, 3126, 3126B, 3126E, C7, C9, C-9, C9.3, C13 Fits Caterpillar Challenger (AGCO): 35, 45, 55, MTC735 Fits Caterpillar Motor Grader: 12H Fits Caterpillar Wheel Scraper / Tractor-Scraper: 627G, 627H, 627K, 627K LRC, 637D, 637E, 637G Fits Caterpillar Wheel Dozer: 814F II Fits Caterpillar Soil Compactor: 815F II Fits Caterpillar Landfill Compactor: 816F II Fits Caterpillar Track Loader: 973C Fits Caterpillar Track-Type Tractor: D6N Fits Caterpillar Petroleum Engine / Package: C7, C9, CX31-C13I, CX31-C9I Fits Caterpillar Petroleum Transmission: TH31-E61 Fits Caterpillar Military Transmission: CX28 Replaces Part Number(s): 1631387, 163-1387, 1265875, 7W5095, 108038 Aftermarket Interchange Numbers CA1631387, AK-1631387, FMP-1631387 New aftermarket replacement part - not remanufactured, not used. Condition NEW Warranty 6 Month Warranty About Us Return Policy Shipping FAQ Reliable Aftermarket Parts, your trusted source for a wide range of replacement parts catering to various outdoor equipment. We specialize in providing top-quality replacement parts for Lawn and Garden, Snow Removal, UTV, ATV, and Golf Cart machinery. Our extensive inventory includes replacement parts for Backhoes, Crawlers, Excavators, Tractors, Skid Steers, and more, covering most leading brands and models in the industry. At Reliable Aftermarket Parts, customer satisfaction is our priority. If you have any inquiries or require assistance, please don't hesitate to reach out. Feel free to call us at our Toll-Free Numbers: 1-888-6PARTS6 (1-888-672-7876) or directly at 517-347-7033. We welcome you to add us to your favorite seller's list and trust us as your go-to destination for high-quality replacement parts. We provide a 30 day return policy, so if it does not fit, you don't like the way it looks, or if it is unused, we take it back and refund your money. This return policy DOES NOT apply to glass or seat orders, for which these items can only be returned if the item was damaged on delivery, or the wrong item was shipped. Glass and Seat orders have a limited 15 day return policy. No returns will be accepted on Glass without photo evidence of damage. In the event of damage, shortage, or an error on any shipment, please contact us immediately via phone at 888-672-7876. PLEASE SAVE ALL ORIGINAL PACKAGING.! **Refer to eBay Return policy for more details. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing.> How long does it take to ship out of the warehouse? Orders ship out within 24-48 business hours on average. Normally same day if before 1PM EST. How long does delivery to my address take? Delivery times depend on shipping method. Typically, orders arrive within 3-7 business days. Factors such as location, weather, and order size may affect delivery. Do you offer free shipping? Yes! The majority of our parts ship for free. Qualifying parts will ship for free with out FedEx 2-Day Delivery option. This offer is now available to all 50 States. Questions about shipping? If you're unsure about delivery times or shipping options, please call us at 888-672-7876 before placing your order. Our team is happy to help! How do I know if my order was submitted properly? After completing checkout, you'll be sent a confirmation via e-mail. If you ever have any questions about your order, please call us: 888-672-7876 Can I return an item that is defective, damaged, or I just don't want? We provide a 30 day return policy, so if it does not fit, you don't like the way it looks, or if it is unused, we take it back and refund your money. This return policy DOES NOT apply to glass or seat orders, for which these items can only be returned if the item was damaged on delivery, or the wrong item was shipped. Glass and Seat orders have a limited 15 day return policy. No returns will be accepted on Glass without photo evidence of damage. In the event of damage, shortage, or an error on any shipment, please contact us immediately via phone at 888-672-7876. PLEASE SAVE ALL ORIGINAL PACKAGING. Restocking Feee May Apply **Refer to eBay Return policy for more details. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. How long does it take to ship out of the warehouse? Orders ship out within 24-48 business hours on average. Normally same day if before 1PM EST. How long does delivery to my address take? Standard delivery time depends on the shipping method. If your order does not qualify for our FedEx 2-Day, typically your order will arrive within 3-7 businessdays. Factors such as location, weather, holidays, and order size may affect delivery. If you have any questions, please reach out to us before ordering. Call us at 888-672-7876! What is the FedEx 2-Day Shipping Program? Our FedEx 2-Day Shipping Program ensures that qualifying parts ship quickly and reliably to your doorstep within two business days. This program is designed to get the parts you need fast, so you can keep your equipment running without unnecessary delays. Not all items are eligible, but most of our high-demand replacement parts and essential components qualify. Parts that qualify for the FedEx 2-Day receiving free shipping as a part of this program. We offer FedEx 2-Day delivery to all 50 states, so you can get your parts quikcly no matter where you are in the U.S. Please note that 2-Day delivery isn't gauranteed. Location, weather, order size, and holidays may affect delivery. Featured Categories AGRICULTURE Shop Brands Fit: John Deere, Allis Chalmers, Ford/New Holland, Case, Massey Ferguson & More! CONSTRUCTION Shop Parts For: Allis Chalmers, International Harvester, Caterpillar, Komatsu & More LAWN & GARDEN Shop Brands Fit: Bad Boy, Briggs & Stratton, Cub Cadet, Honda, Sears, Snapper & More! SNOW REMOVAL Shop Parts For: Ariens, Briggs & Stratton, Jacobsen, Toro, Troy Built, Sears & More! 30 DAY RETURNS You can be safe in knowing that if your part doesn't fit or work, you can return it quickly and easily within 30 days of purchase. FREE SHIPPING* We provide free shipping within the contiguous 48 United States of America. This does not apply for LTL shipments. *Qualifying order only EXPERT SERVICE Can't track down a part that you need? Need help with a part you found? Contact our expertly trained customer service staff. Contact ©2026 Reliable Aftermarket Parts, Inc