Standard Ignition UF877 Ignition Coil

Ignition Coil for Subaru Legacy and Outback

Standard Ignition UF877 is an ignition coil built for direct replacement on select Subaru Legacy and Subaru Outback applications. It features a bolt-on mount, female connector, male blade terminals, and an integrated coil assembly for a clean OE-style service part.

Key Features

• Ignition coil assembly with coil included
• Bolt-on mount for secure installation
• 1 female connector with 3 male blade terminals
• Black and gray housing finish
• Direct-fit replacement for select Subaru Legacy and Outback models

Product Details

Standard Ignition UF877 is engineered for 2020 Subaru Legacy and 2020 Subaru Outback models from 01/2020, as well as 2021-2024 Subaru Legacy and 2021-2024 Subaru Outback. This ignition coil supports proper spark delivery in the ignition system and is a practical replacement when the original coil shows wear, misfire symptoms, or electrical connection issues. The UF877 part number is also referenced by interchange numbers 22433AA81A, E1377, and IC984 for the same application.

Common Issues This Part May Address

• Engine misfire under load or at idle
• Hard starting caused by weak ignition output
• Rough running from inconsistent spark delivery
• Check engine light related to ignition coil performance
• Intermittent ignition connection concerns at the coil connector

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. The UF877 uses a bolt-on mount with a single female connector and male blade terminals, so matching the OE connector and terminal layout is important for proper fitment. Inspect the coil boot, wiring, and surrounding ignition components during replacement to help confirm the root cause of the fault.

Quality Assurance

Standard Ignition supplies replacement ignition components for service applications, and UF877 is listed with confirmed fitment for select Subaru Legacy and Subaru Outback models. Always confirm year and build date, especially for 2020 vehicles noted from 01/2020.