Radiator for Select 2017+ International LT / LT625 / RH & ProStar Models

Manufactured using premium-quality materials to provide reliable cooling performance, durability, and long service life for heavy-duty trucking applications. This OE-style replacement radiator is specifically engineered for select 2017 and newer International LT, LT625, RH Series, and ProStar models utilizing the 2516107C91 cooling system configuration.

Constructed with heavy-duty plastic tanks and a high-efficiency aluminum core, this radiator is designed to withstand demanding highway, fleet, and commercial operating conditions while maintaining proper engine cooling performance. Features integrated transmission oil cooler configuration with OE-style male face seal fittings on approximately 11 1/2" centers for dependable fitment and operation under severe-duty conditions.

Designed as a direct OE-style replacement for damaged, leaking, or aging factory cooling units while providing a cost-effective alternative to OEM dealer pricing.

Product Specifications

• Application: Select 2017+ International LT / LT625 / RH & ProStar Models
• OE Reference: 2516107C91
• Construction: Plastic Tank / Aluminum Core
• Flow Type: Downflow
• Rows: 1 Row
• Inlet Location: Upper Left
• Outlet Location: Lower Right
• Inlet Diameter: Approx. 2 1/2"
• Outlet Diameter: Approx. 2 1/2"
• Core Height: Approx. 34 1/8"
• Core Width: Approx. 38 15/16"
• Core Thickness: Approx. 1 5/8"
• Transmission Oil Cooler: Integrated 11 1/2" TOC
• Oil Cooler Connection Style: Male Face Seal Fittings on Approx. 11 1/2" Centers
• Frame: Without Frame
• Type: OE-Style Replacement Radiator
• Condition: Brand New
• Manufacturer Warranty: 18-Month

OE & Cross Reference Numbers

International / Navistar OE Numbers

• 2516107C91
• 2516108C91
• 2516107-C91
• 2516108-C91
• 4302755C1
• 4302756C1
• NAV90
• NAV91
• LT9631
• LT9632

Aftermarket Cross Reference Numbers

• 238902
• 238903
• 640125
• 640125PT
• 640125PTWF
• HDC011265PA
• HDC011266PA
• 437556
• 437556P
• 437556PF
• FLT437556P
• 0437556P
• SC-238902
• SC-238903
• 40125R

Important Fitment Note:
International utilized multiple cooling system configurations across LT, RH, and ProStar models. Please verify OE part number, radiator dimensions, transmission oil cooler configuration, frame setup, inlet/outlet orientation, and vehicle VIN prior to purchase to ensure correct fitment. Some configurations may use radiators with or without integrated transmission oil coolers.