{"product_id":"cat-966h-972h-wheel-loader-piston-pump-2419157-241-9157","title":"CAT 2419157 (241-9157) Piston Pump | Fits 966H 972H Wheel Loader","description":"\u003ch2\u003eCAT 2419157 (241-9157) Piston Pump | Fits 966H 972H Wheel Loader\u003c\/h2\u003e\n\u003cp\u003ePremium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 966H and 972H wheel loaders. Built to deliver consistent hydraulic performance and long service life in demanding material handling, quarrying, and heavy construction applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2419157 \/ 241-9157\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e No modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e Meets or exceeds original Caterpillar specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Precision-engineered for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for material handling, quarrying, and heavy construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2419157 \/ 241-9157\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Variable Displacement Piston Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydraulic System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis piston pump fits the following Caterpillar wheel loaders:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaterpillar 966H Wheel Loader\u003c\/li\u003e\n\u003cli\u003eCaterpillar 972H Wheel Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWheel Loader Lift and Tilt Functions\u003c\/li\u003e\n\u003cli\u003eWheel Loader Bucket Loading and Dumping Operations\u003c\/li\u003e\n\u003cli\u003eWheel Loader Material Handling and Loading\u003c\/li\u003e\n\u003cli\u003eQuarrying, Mining, and Heavy Construction Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This Pump?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuality Guaranteed - Manufactured to meet OEM standards\u003c\/li\u003e\n\u003cli\u003eReady to Ship - In stock and available for immediate dispatch\u003c\/li\u003e\n\u003cli\u003eExpert Support - Technical assistance available\u003c\/li\u003e\n\u003cli\u003eCompetitive Pricing - Cost-effective alternative to dealer parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the symptoms of a failing hydraulic piston pump on CAT 966H or 972H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include slow or weak lift and tilt response, the loader bucket hesitating or stalling when raising heavy loads, hydraulic oil overheating during normal loading cycles, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 966H and 972H are large wheel loaders used in high-production material handling, quarry, and construction — pump failure causes significant throughput loss and should be addressed immediately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 2419157 fit both the 966H and 972H wheel loaders?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 2419157 (241-9157) is designed as a direct OEM-compatible replacement for both the CAT 966H and 972H wheel loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your wheel loader serial number to confirm exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What hydraulic functions does this pump support on the 966H\/972H?\u003c\/strong\u003e\u003cbr\u003eA: As the main hydraulic pump on the 966H and 972H, it supplies flow to the lift and tilt circuits (bucket functions), steering system, and any auxiliary circuits. A failing main pump will cause weak or slow operation across all functions simultaneously. Given the 966H\/972H's size and production demands, pump issues should be diagnosed and addressed promptly to avoid expensive downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I flush the hydraulic system when replacing this pump on a 966H or 972H wheel loader?\u003c\/strong\u003e\u003cbr\u003eA: Always. Flushing is essential — metal particles and contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation by a qualified technician or CAT dealer service center.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of hydraulic oil is recommended for the CAT 966H and 972H?\u003c\/strong\u003e\u003cbr\u003eA: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. For large wheel loaders working in material handling, quarry, or construction applications under constant heavy load, using non-CAT approved fluids can cause immediate pump failure, accelerated wear, and void the warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this is the correct pump for my 966H or 972H?\u003c\/strong\u003e\u003cbr\u003eA: Check the part number on your current hydraulic pump — if it reads 2419157 or 241-9157, this is the correct replacement. If the label is worn or missing, provide your 966H or 972H serial number and we will verify compatibility before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pump come with mounting hardware or gaskets included?\u003c\/strong\u003e\u003cbr\u003eA: The pump is supplied as a complete unit. Depending on your wheel loader configuration, you may need separate mounting bolts, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the warranty on this hydraulic piston pump?\u003c\/strong\u003e\u003cbr\u003eA: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.\u003c\/p\u003e\n\u003cp\u003eLooking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003eExplore our full range of \u003ca href=\"\/collections\/construction-machinery-caterpillar\"\u003eCaterpillar piston pumps\u003c\/a\u003e.\u003c\/p\u003e","brand":"HEPUMP","offers":[{"title":"Default Title","offer_id":46816848052380,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/7385\/0524\/files\/241-91571.jpg?v=1778075746","url":"https:\/\/hepumpstore.com\/products\/cat-966h-972h-wheel-loader-piston-pump-2419157-241-9157","provider":"HEPUMP","version":"1.0","type":"link"}