Keep fuel moving on command with the Standard Ignition Fuel Cut-Off Relay / Fuel Pump Relay RY-159 — the electrical switch that energizes the fuel pump circuit. It's a direct-fit replacement for the 1980-1983 Honda Civic [All], the 1982-1984 and 1982-1985 Honda Accord [All], and the 1983-1987 Honda Prelude [All].
This relay uses a low-current signal from the ignition/control circuit to switch battery power to the fuel pump, and its cut-off function interrupts that power under the conditions the original circuit is designed for.
If a failed fuel pump relay is the cause of a no-start, an engine that cranks but won't run, or intermittent stalling, this replaces it — diagnose the cause before replacing, since these signs can also come from the pump, wiring, or control circuit.
Manufacturer part number: RY-159 (also RY159).
What does this relay do?
It's an electrical relay that uses a low-current control signal to switch battery power to the fuel pump circuit, with a cut-off function that interrupts that power as the original circuit is designed to.
Which vehicles does the RY-159 fit?
It's a direct-fit replacement for the 1980-1983 Honda Civic, the 1982-1984 and 1982-1985 Honda Accord, and the 1983-1987 Honda Prelude, all engines. See the Buyer's Guide tab to confirm your vehicle.
What are signs this relay may need replacing?
A no-start, an engine that cranks but won't run, or intermittent stalling can be signs of a failed fuel pump relay. Diagnose the cause first, as the pump, wiring, or control circuit can cause the same symptoms.
Is this the same as a fuel pump relay?
Yes. This part is listed under both names, Fuel Cut-Off Relay and Fuel Pump Relay, because it performs both roles in the fuel pump control circuit.
What is the manufacturer part number?
The manufacturer part number is Standard Ignition RY-159.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
