Subaru OEM CVT Coolant Hose (19+ Ascent) | 99083AA39B

Overview

The Genuine Subaru OEM CVT Coolant Hose (Part #99083AA39B) is a factory-replacement hose designed to maintain proper thermal regulation of the continuously variable transmission (CVT) in 2019 and newer Subaru Ascent models. As an authentic OEM component, it delivers an exact fit and meets the same engineering standards as the hose installed at the factory — ensuring leak-free performance and long-term CVT health. This is the correct replacement for owners who demand factory-quality reliability over generic aftermarket alternatives.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to factory specifications, ensuring a perfect fit and consistent performance with zero modification required.
• Exact-Fit Guarantee — Engineered specifically for the 2019+ Subaru Ascent CVT system, eliminating compatibility guesswork and installation issues.
• CVT Thermal Protection — Properly routes coolant to and from the CVT fluid warmer/cooler, protecting the transmission from overheating and premature wear.
• OEM-Grade Materials — Constructed from high-quality, heat- and pressure-resistant materials that meet Subaru's durability standards for under-hood conditions.
• Factory Warranty Coverage — As a genuine Subaru part, it is backed by Subaru's OEM parts warranty when installed by an authorized dealer or qualified technician.
• Direct Replacement — Drop-in replacement for the original hose; no cutting, adapting, or modifications needed.

What's Included

• 1x Genuine Subaru CVT Coolant Hose (Part #99083AA39B)

Specifications

Fitment & Compatibility

This CVT coolant hose is designed for the following Subaru vehicles:

Please verify your vehicle's year and trim before ordering. If you are unsure whether Part #99083AA39B is correct for your specific Ascent, reference your VIN or consult a Subaru dealer parts lookup.

Installation

This CVT coolant hose is a direct OEM replacement. While the part itself requires no modification, replacement of CVT cooling system components involves draining coolant and working around the transmission — professional installation by a qualified Subaru technician or certified mechanic is strongly recommended. Always use Subaru-approved coolant when refilling the system to maintain CVT warranty compliance.