Standard Ignition RY-1620 Secondary Air Injection Relay

Secondary Air Injection Relay for Emissions Control

The Standard Ignition RY-1620 is a 12-volt secondary air injection relay built for emission control systems that need reliable switching under the hood. It uses a square connector, 4 male blade terminals, and a 30 amp amperage rating to support consistent electrical performance in demanding vehicle environments.

Compatible With select Dodge Grand Caravan, Jeep Wrangler, Chrysler Town & Country, Dodge Durango, Ram 1500, Dodge Nitro, Jeep Liberty, Buick Lucerne, Cadillac DTS, and Oldsmobile Cutlass Supreme applications, this relay is a direct-fit service part for vehicles that rely on secondary air injection operation. The RY-1620 is also cross-referenced to Gates 20933 for the same application.

Key Features

• Secondary air injection relay for emission control systems
• 30 A amperage rating for electrical load handling
• 12-volt design
• Square connector shape with 4 male blade terminals
• Multi-function relay construction
• Composite housing helps protect against heat and harsh under-hood conditions
• Aluminum contacts support durability and long service life
• Premium epoxy helps seal out dust, heat, and moisture

Detailed Description

Standard Ignition RY-1620 is engineered as a replacement secondary air injection relay for vehicles that use relay-controlled emissions hardware. Its composite housing, aluminum contacts, and epoxy-sealed construction are built to withstand temperature swings, moisture, and contamination commonly found in engine compartments. Manufactured in a TS16949 and ISO9001 certified facility, this relay is made to meet consistent production standards for dependable operation. The RY-1620 is a practical choice for service on Dodge Grand Caravan and Jeep Wrangler models, along with other listed Chrysler, Dodge, Ram, Buick, Cadillac, Jeep, and Oldsmobile applications.

What It Helps Address

• Secondary air injection relay failure
• Intermittent emissions system operation
• Noisy or inconsistent relay switching
• Electrical contact wear from heat and moisture exposure
• Under-hood relay degradation from dust and contamination

Installation Notes and Tips

Verify connector shape, terminal count, and voltage before installation. Confirm vehicle application by year, make, and model, and compare the existing relay to the Standard Ignition RY-1620 for terminal layout and fit. For 2006-2007 Buick Lucerne, 2006-2007 Cadillac DTS, and 1992 Oldsmobile Cutlass Supreme applications, check alternator compatibility before purchase to ensure proper fit. No mounting bracket is included.

Quality Assurance

This relay is produced in a TS16949 and ISO9001 certified facility, with materials selected for heat resistance, contact durability, and protection against dust and moisture. Standard Ignition RY-1620 is built for consistent service in emission control applications.