Standard Ignition Ignition Switch P/N:US-451
Route power to the ignition, accessory and starter circuits each time you turn the key with the Standard Ignition Ignition Starter Switch US-240 (US240). It is a direct-fit replacement for the listed applications, among them the 1994-1996 Dodge Ram 1500 and 1993-1996 Jeep Grand Cherokee. It covers a wide range of Chrysler, Dodge, Jeep and Plymouth models.
The ignition starter switch is the electrical side of the ignition system. As the key moves through its positions, the switch opens and closes the circuits that feed the accessories, the ignition and the starter.
Standard is a global manufacturer of original equipment ignition products. It maintains complete quality control through the whole manufacturing process, from componentry to the finished product.
Signs this switch may need replacing include no crank when the key is turned to start, accessories or dash lights that cut out, and intermittent stalling. Other components can cause the same symptoms, so diagnose the circuit before you replace the switch.
See the Buyer's Guide tab for the full application list and engine details.
Interchange: 2-IS138
2IS138 · CS267 · IS138 · 4443924 · 4504211 · 4797401 · 4797401AB · 5269497 · LS711 · KS6557 · 19021096 · 89058089 · US240T
This part cross-references / interchanges with the following part numbers:
What does the US-240 ignition starter switch do?
It is the electrical switch in the ignition system. It opens and closes the accessory, ignition and starter circuits as the key is moved through its positions.
What signs suggest the ignition switch may need replacing?
Common signs include no crank when the key is turned to start, accessories or dash lights cutting out, and intermittent stalling. Other parts can cause these symptoms, so diagnose the circuit first.
Which vehicles does the US-240 fit?
It fits many Chrysler, Dodge, Jeep and Plymouth models, including the 1994-1996 Dodge Ram 1500 and 1993-1996 Jeep Grand Cherokee. See the Buyer's Guide tab for the full list.
Is this ignition switch tested?
Yes. Standard 100% tests its ignition switches to verify both mechanical operation and electrical switching performance.
What part numbers does the US-240 interchange with?
It cross-references 2-IS138, CS267, IS138, 4443924, 4504211, 4797401, 4797401AB, 5269497, LS711, KS6557, 19021096, 89058089 and US240T.
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.