R56106503000 Lock Cylinder Kit with Keys Fit for Kenworth W900L T660 T680 & Fit for Peterbilt 389 386 357 2001-2011 – Ignition Switch + 2 Door Lock Cylinders with Keys

Complete Solution: This comprehensive lock cylinder kit replaces worn or damaged ignition and door locks on your truck. You can open both the ignition and doors with the same key—no more hassle of multiple keys or incompatible lock cylinders. Sunroof Compatibility: Designed for trucks equipped with "sunroofs" and using "large" keys. Important Note: Not compatible with older trucks using "small" keys. Please confirm your truck's key type before ordering to ensure accessory compatibility. Precision Engineering for Smooth Operation: The ignition lock cylinder uses precision-machined internal components to ensure smooth key rotation and precise positioning. Completely eliminates problems such as key jamming, difficulty starting, or unstable electrical connections caused by lock cylinder wear. Weather-Resistant Construction: Designed to withstand the harsh environments of heavy-duty truck transportation. Components maintain smooth operation even when exposed to rain, snow, mud, and dust. Abrasion-Resistant and Durable: The high-quality construction can withstand thousands of key opening and closing cycles without noticeable wear. Unlike cheap, easily worn-out alternatives, these lock cylinders operate reliably in demanding fleet applications. Includes all necessary hardware: Your kit includes all the necessary components: an ignition lock cylinder, two door lock cylinders (left and right), two matching door keys, and two mounting hardware for a secure installation. No additional accessories required—simply remove your old lock cylinder and install these.

• Applicable Model: Fit for Kenworth W900L C500 T270 T300 T370 T660 T680 2001-2011, Fit for Peterbilt 325 330 357 386 389 2001-2011,Suitable for trucks equipped with sill doors and using a large key (not the old small key). Directly replaces original part number R56106503000
• Complete Lock Cylinder Kit: Includes everything needed for a complete truck security system replacement, including 1 ignition switch lock cylinder, 2 truck door lock cylinders (driver's side and passenger's side), 2 door keys, and 2 retaining clips. All components are matched to ensure seamless key use on the ignition switch and both doors
• Enhanced Starting Stability: The ignition lock cylinder features a precision mechanical structure that ensures smooth key rotation and accurate positioning. It prevents starting jams, sticking, and malfunctions caused by lock cylinder wear. It ensures reliable vehicle starting every time
• Advanced Protection: The door lock cylinders securely lock the driver's and passenger's side doors, effectively preventing unauthorized entry. Provides enhanced security for tools, cargo, and onboard equipment during long-haul transport and overnight parking
• Superior and Durable Materials: Constructed from premium materials with excellent corrosion and abrasion resistance. It can withstand frequent unlocking and starting cycles, as well as extreme weather conditions including rain, snow, and high temperatures, extending its service life