RL4F03A Transmission Solenoid Kit OEM 31940-85X01

Overview

This is a transmission shift solenoid for the Nissan, Infiniti RL4F03A automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade RL4F03A repair or rebuild. Every RL4F03A order ships fast and is backed by our support team.

What's Included

• a direct-fit replacement solenoid built to OE performance

Fitment

Fits Nissan, Infiniti vehicles equipped with the RL4F03A automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this RL4F03A part when you experience:

• harsh, delayed or missing shifts
• stuck in gear or limp/failsafe mode
• check-engine light with shift-solenoid performance codes
• erratic line pressure or converter lockup

Specifications

• OEM Part Number: 31940-85X01
• Transmission: RL4F03A

Quality & Service

In-stock parts ship fast; special-order items ship within 3 business days. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for RL4F03A transmission parts.