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CAT

CAT Valve-Check - 233-9821

CAT Valve-Check - 233-9821

Regular price $79.18 USD
Regular price $113.12 USD Sale price $79.18 USD
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Orders are typically processed within 24–48 hours, Monday through Friday, excluding major U.S. holidays. Shipping options include Small Package Saver, Ground, Second Day Air, and Next Day Air. Free Shipping applies to qualifying items within the contiguous 48 states. Freight or oversized shipments require a commercial address. Please inspect all deliveries and report damages within 24–48 hours. We ship only within the continental U.S. and cannot deliver to P.O. boxes or international locations. Most orders ship from our North Carolina warehouse.For estimated transit times, see the shipping chart. Read more information.

About us

Expert-selected truck parts

At FleetPro Parts, we specialize in supplying OEM replacement parts for heavy-duty trucks. From Freightliner and Detroit Diesel to Cummins, Mack, Volvo, and Wabco, our catalog covers the components you need to keep your fleet moving. Every part we stock is tested, reliable, and built to match OEM standards, so you can order with confidence. Our team knows truck parts inside out—from engine cooling and steering to AC systems, alternators, and fuel components. Whether you’re maintaining a single truck or managing an entire fleet, we make it easy to find the right part, at the right time. For when it matters. More about Us.

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FleetPro Truck Center Inc • 4989 Hendersonville Rd, Fletcher, NC 28732 • Phone +1 888-722-1331

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Description:

Prevent fluid drain-back, maintain prime in fuel and oil fluid circuits, and protect heavy-duty diesel engines from pressure drops with the Genuine Caterpillar Check Valve (233-9821 / 2339821). Custom-engineered for Caterpillar heavy-duty diesel powerplants (including C15, C13, and C7 series), this precision-machined inline check valve regulates directional fluid flow within critical lubrication and fuel delivery systems.

Features:

Brand: Genuine Caterpillar (CAT)
MPN: 233-9821 / 2339821 / 233-9821-CAT
Product Type: Commercial Diesel Engine Fluid Check Valve
Application Circuit: Fuel System / Lubrication System Flow Regulation
Material: Hardened Alloy Steel
Valve Type: Spring-Loaded Ball Check
Thread / Port Type: Standard Precision Pipe Threads
Engine Compatibility: Caterpillar Heavy-Duty Diesel Engines (C7, C9, C11, C13, C15, 3406E, 3126 Series)
Vehicle Compatibility: Class 8 Commercial Trucks, Heavy Equipment, and Industrial Power Units
Origin: Genuine OEM Caterpillar Product

Cross Reference: 233-9821, 2339821, 233-9821-CAT, 190-3453, 134-2565, 183-4921, CAT2339821, S-21930, 100098N, X002305

Part# : 233-9821
Brand: CAT