Skip to product information
1 of 2

International

International Transmission Oil Cooler XMSN - 3546009C1

International Transmission Oil Cooler XMSN - 3546009C1

Regular price $216.26 USD
Regular price $270.32 USD Sale price $216.26 USD
Sale
Shipping calculated at checkout.

Shipping Policy

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.

Contact us

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

View full details

Description:

Maintain optimal fluid operating temperatures, eliminate thermal breakdown, and protect transmission clutch plates against burnout with the Genuine International Navistar Heavy-Duty Transmission Oil Cooler (3546009C1 / 3546009C1). Precision-engineered specifically for Navistar International commercial Class 8 trucks—including ProStar, WorkStar, DuraStar, and TranStar series equipped with Allison, Eaton Fuller, or Navistar transmission units—this high-efficiency fluid heat exchanger rapidly dissipates severe heat buildup.

Features:

Brand: Genuine International / Navistar
MPN: 3546009C1 / 3546009C1
Product Type: Transmission Fluid Auxiliary Heat Exchanger / Oil Cooler
Material: Brazed Heavy-Duty Aluminum
Core Type: Tube & Fin / Plate-Fin High Efficiency
Inlet / Outlet Connection: Threaded Female O-Ring Boss (ORB) / Flare Fitting
Mounting Type: Integrated Frame Rail / Radiator Side Support Brackets
Transmission Compatibility: Allison Automatic Transmissions, Eaton Fuller Manual / Automated Manual Transmissions
Vehicle Compatibility: Navistar International Class 8 Heavy-Duty Trucks (ProStar, WorkStar, DuraStar, TranStar, 4300, 4400, 7400, 8600)
Origin: Genuine OEM Navistar Parts

Cross Reference: 3546009C1, 3546009-C1, 3546009C2, 3546009C3, NAV3546009C1, 2508218C91, 2508218C92, 1675712C91, BTC3546009C1, 3546009, S-22804

Part# : 3546009C1
Brand: International