Dtomi Door Lock Cylinder Set for GM & Hummer - Escalade/Silverado Fit, Ignition + 2 Door Cylinders, 2 Keys

Dtomi Door Lock Cylinder Set (part 598007) is a complete replacement kit including one ignition cylinder, two door cylinders, two keys and hardware to restore locking and ignition function on compatible GM and Hummer models.

If your Escalade, Silverado, Tahoe, Suburban, Sierra, Yukon, Avalanche, RAM pickup or H2 shows worn tumblers, stiff key action, or a missing cylinder, this Dtomi kit provides the parts you need to get doors and ignition working reliably again. Crafted from durable iron with a black protective finish, the set matches OEM replacement numbers and ships tested with a one-year support option.

Which vehicles will this lock cylinder set fit?

This kit replaces common GM and Hummer cylinder part numbers and fits multiple model years across brands. Confirm your vehicle and part reference before ordering to ensure compatibility.

• Cadillac Escalade: 2003–2006
• Chevrolet: Silverado, Suburban, Tahoe (2003–2006); Avalanche (2004–2006)
• GMC: Sierra, Yukon (2003–2006)
• Hummer H2: 2003–2007; Dodge/RAM pickup: 2005

What components come in the box and how do they help?

The package delivers everything needed to replace the ignition and door cylinders in one visit, reducing downtime and simplifying installation. All parts arrive tested and ready for straightforward swap-out.

• 1 ignition lock cylinder — restores ignition key engagement and start function
• 2 door lock cylinders — replace worn door locks for secure entry
• 2 keys — keyed to the supplied cylinders for immediate use
• 2 retainers and 2 copper sheets — mounting and electrical/contact support

How durable and reliable is the Dtomi replacement cylinder?

Built from iron with a corrosion-resistant black finish, the cylinders are intended to resist daily wear and environmental exposure. Dtomi tests each product before shipping and offers a one-year quality support period.

• Iron construction with protective coating for rust resistance
• Designed for smooth key insertion and turning to reduce jamming
• Manufactured to match common OEM replacement numbers for fit

Can I install this cylinder set myself or should a mechanic do it?

The set is designed for DIY-friendly installation but requires basic hand tools and familiarity with vehicle lock removal procedures. If you’re unsure or the ignition assembly must be disassembled further, a professional locksmith or mechanic can complete the job quickly.

• Simple bolt-and-retainer style installation for most door cylinders
• Ignition cylinder swap may need steering column access depending on model
• Instructions and one-year support available for troubleshooting

Who is this for: Drivers and technicians who need a direct-fit replacement lock solution for mid-2000s GM trucks, SUVs and H2 models. This Dtomi kit suits vehicle owners restoring security after wear, damage, or lost keys, and hobbyists or shops seeking a tested, ready-to-install cylinder set that matches common OEM part numbers.