Busy-Corner 4C-8253 Seal O-Ring Kit, Silicone 90, Hydraulic Hose Fitting Orings, BUSY-CORNER 4C-8253 270-1533 O-ring Assortment Kit Fits CAT Caterpillar SPECIFICATIONS: 10 pieces each for CAT part number 8M-4437, 8M-4986, 8M-4987 5 pieces each for CAT part number 8M-8157, 8M-4438, 8M-4389, 8M-8515, 8M-4435, 8M-4445, 8M-4446, 8M-4988, 8M-4432, 8M-5248, 8M-5254, 8M-5249, 9H-6067, 9M-4849, 2S-2251, 1S-0004 3 pieces each for CAT part number 9M-7002, 9M-9647, 8M-8283, 8M-4992 , 8M-4991, 8M-4443, 8M-5661, 8M-4436, 8M-5010, 8M-4390, 8M-5252, 8M-4990, 6L-1651 Total 149pcs, packed in a plastic storage case with label to identify sizes. WIDE APPLICATION: 4C-8253 o-ring kit contains yellow silicone o-rings made especially for high-heat, low-pressure applications on torque converters, transmissions, differentials, etc. for Caterpillar equipment, which replaces Caterpillar kit #4C-8253. Product Features High Quality: Made of Silicone 70 shore material,good electrical insulation,With good high temperature resistance, anti-static properties, and through a special formula process. Multi size: 4C8253 oring kit contains 149pcs silicone o-rings in the 32 most popular sizes used on Caterpillar equipment. Wide Application: 4C-8253 o-ring kit contains yellow silicone o-rings made especially for high-heat, low-pressure applications on torque converters, transmissions, differentials, etc. for Caterpillar equipment, which replaces Caterpillar kit #4C-8253. Handy Packing: Comes with a heavy duty storage case that keeps each size o rings separated and organized,that makes more convenient to carry, select and collect. Customer Service: You are unhappy for any reason, return your kit with no questions asked and we will provide a full refund. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!