Subaru OEM EGR Pipe Gasket (15-21 WRX) | 14738AA170

Overview

The Genuine Subaru OEM EGR Pipe Gasket (Part #14738AA170) is a factory-original replacement gasket engineered specifically for the 2015–2021 Subaru WRX. Designed to seal the Exhaust Gas Recirculation (EGR) pipe junction, this gasket maintains proper exhaust gas flow and prevents harmful leaks that can trigger check-engine codes, reduce fuel efficiency, and cause emissions test failures. Choosing a Genuine Subaru OEM part guarantees an exact fit, factory-grade materials, and reliability backed by Subaru's engineering standards.

Key Features & Benefits

• Exact OEM Fit — Manufactured to Subaru factory specifications, ensuring a perfect seal with no modification or trimming required.
• Factory-Grade Materials — Constructed from high-temperature-resistant materials engineered to withstand the demanding thermal cycling of the EGR system.
• Prevents EGR Leaks — A proper seal eliminates exhaust gas leaks at the EGR pipe joint, protecting against rough idle, CEL illumination, and failed emissions inspections.
• Restores OEM Performance — Replaces worn, cracked, or blown gaskets to bring your WRX's EGR system back to factory specification.
• Genuine Subaru Part — Sourced directly from Subaru, not a rebranded aftermarket substitute, so you can trust quality and longevity.
• Emissions System Integrity — Helps maintain EVAP/emissions system compliance by ensuring the EGR circuit is properly sealed.

What's Included

• 1× Genuine Subaru OEM EGR Pipe Gasket (Part #14738AA170)

Specifications

Fitment & Compatibility

This Genuine Subaru EGR Pipe Gasket is designed for the following vehicles:

Always verify your vehicle's specific trim level and engine configuration before ordering. Cross-reference Subaru part number 14738AA170 with your dealer parts catalog or OEM parts diagram to confirm fitment for your exact build.

Installation

This EGR pipe gasket is a direct OEM replacement that installs in the same location as the factory unit. The repair typically involves removing the EGR pipe assembly, cleaning the mating surfaces, and installing the new gasket before reassembly. While a confident DIYer with proper tools can complete this job, professional installation by a Subaru-trained technician is recommended to ensure correct torque specifications are met and no exhaust leaks remain after the repair.