U85206451 For Perkins Cat 12V Stop Solenoid

This 12V Fuel Shut-Off Stop Solenoid, part number U85206451, is a 2-pin electrical solenoid valve that threads directly into the fuel injection pump block. When power is removed by turning off the ignition key, it immediately cuts fuel flow inside the pump to shut down the engine reliably. A failed unit may lead to no-start issues or the engine failing to stop after switching off the key. It meets standard electrical requirements, and full detailed specifications are available on our dedicated parameter page. This aftermarket replacement is built to endure tough working conditions on construction and farm equipment, delivering stable, long-term performance for daily field and job-site operation. It is widely compatible with Perkins 400 Series and Caterpillar 3000 Series compact multi-cylinder diesel engines, fitted on mini-excavators, skid steers, compact tractors, diesel generators and light towers. It supports interchange cross-reference numbers including U85206452, 185206451, 324-4598 and more for convenient equipment repair.

FAQ Section

Q1: What symptoms mean you need to replace the U85206451 fuel shut-off solenoid?

A: Common failure symptoms include engine no-start trouble, or the engine keeps running after the ignition key is turned off, caused by loss of fuel flow control in the injection pump.

Q2: What engines & equipment does this solenoid fit?

A:

• Perkins 400 Series: 402D, 403C, 403D, 404C, 404D (403C-11, 403D-11, 404C-22, 404D-22)
• CAT 3000 Series: 3011C, 3013C, 3024C
• Equipment: mini-excavators, skid steers, compact tractors, diesel generators, light towers

Q3: What are the key specifications?

Q4: What cross-reference part numbers are interchangeable?

A: U85206452, U85206450, U85206520,185206451,185206452,185206450,324-4598,419-7640,365-3339

Q5: What is its core function?

A: This 2-pin solenoid valve threads directly into the fuel injection pump block. Once ignition power is removed, it instantly stops internal fuel flow to shut off the engine.