1. Locksets Door Hardware For Sale
  2. sku: 15992516770434881
  3. ONTHRIS 312L-CKIL

ONTHRIS 312L-CKIL Ignition Switch Lock Cylinder Front Door 7012945

312l-ckil Onthris Ignition Switch Lock Cylinder And Pair Front Door Cylinders For 2003-2006

( Brand: Onthris ), ( Manufacturer Part Number: 312L-CKIL ), ( Model: 7012945 ), ( Part Type: Switch Lock Cylinder ), ( Operation Mode: On-off ), ( Current Rating: 49.98 Amps ), ( Operating Voltage: 23.99 Volts ), ( Contact Type: Normally Open ), ( Connector Type: Plug In ), ( Switch Type: Ignition Switch ), ( Terminal: Screw ), ( Circuit Type: 1-way ), ( Mounting Type: Panel Mount ), ( Actuator Type: Ignition ), ( Control Method: Touch ), ( Connectivity Protocol: X-10 ), ( Compatible With Vehicle Type: Truck, Suv, Van ), ( Control Type: Full ), ( Compatible Devices: Chevrolet Silverado ), ( Chevrolet Suburban: 2003-2007 ), ( Color: Silver Tone ), ( Item Dimensions: 3.94 X 2.36 X 2.36 Inches ), ( Unit Count: 1.0 Count ), ( Material Type: Metal ), ( Contact Material: Stainless Steel, Brass, Alloy Steel, Or Metal ), ( Warranty Description: 24-month Warranty )

Review ONTHRIS Ignition Switch Lock Cylinder And Pair Front Door Cylinders

The **Onthris 312L-CKIL Ignition Switch Lock Cylinder** is a high-quality, precision-engineered replacement part designed specifically for vehicles manufactured between 2003 and 2006, ensuring seamless compatibility with a wide range of models that utilize this exact cylinder configuration. Crafted from durable, corrosion-resistant materials, this lock cylinder is built to withstand the demands of daily use while maintaining smooth operation, even in harsh environmental conditions. The **312L-CKIL** features a **cylindrical keyhole design** optimized for secure engagement, preventing unauthorized access while delivering effortless insertion and extraction with a satisfying, tactile click. Its **high-security pin tumbler mechanism** ensures reliable performance, reducing the risk of jamming or sticking common issues with lower-quality aftermarket parts. The **front door cylinders** included in this kit are engineered to match the original vehicle specifications precisely, guaranteeing an exact fit with minimal clearance, which eliminates the need for excessive force when locking or unlocking. Whether installed in a sedan, SUV, or hatchback, this kit provides a **no-fuss, professional-grade solution** for drivers seeking to restore or upgrade their vehicle s security system without compromising on quality or ease of installation. Ideal for both DIY enthusiasts and professional mechanics, the **Onthris 312L-CKIL** combines durability, precision, and reliability, making it the perfect choice for restoring or enhancing the security of your 2003 2006 vehicle.

### **Pros and Cons of buying a Onthris 312L-CKIL Ignition Switch Lock Cylinder (Front Door) for 2003 2006 Vehicles**

#### **Pros:**

1. **Compatibility** This part is specifically designed for front door lock cylinders on certain 2003 2006 vehicles, ensuring a proper fit without modification. It s a direct replacement for OEM (Original Equipment Manufacturer) components, reducing the risk of misalignment or functionality issues.

2. **Durability and Quality** Onthris is a well-known brand in the automotive aftermarket, known for producing high-quality, long-lasting lock cylinders. The use of sturdy materials helps prevent wear, breakage, or frequent failures, which is common with cheaper alternatives.

3. **Easy Installation** The part is designed for straightforward installation, often requiring only basic tools. Many users report that it can be swapped in under an hour, especially if they have experience with similar lock cylinder replacements.

4. **Security Enhancements** Unlike some generic replacements, this part maintains the security features of the original lock, including proper keyway alignment and resistance to tampering. It may also include improved mechanisms to deter lock picking or bumping.

5. **Warranty Coverage** Onthris typically offers a warranty (often 1 2 years) on their lock cylinders, providing peace of mind against manufacturing defects or early failures. This is more reliable than many no-name brands that offer little to no warranty.

6. **Cost-Effective Alternative to OEM** While not an exact OEM part, it is significantly cheaper than purchasing an original manufacturer lock cylinder, offering a balance between quality and affordability.

7. **Availability** This part is widely stocked by auto parts retailers (both online and in-store), making it easy to order and receive quickly, even for older vehicle models.

---

#### **Cons:**

1. **Potential Fit Issues** While designed for compatibility, slight variations in door panel or lock housing dimensions between different vehicle models or years could cause minor installation challenges. Some users may need to adjust or trim surrounding components slightly.

2. **Key Compatibility** If the original key was cut from a blank, the new lock cylinder may require the key to be recut to match the new pin tumbler configuration. This adds an extra step and cost if the key is not already compatible.

3. **Limited Customization** Unlike high-end security upgrades, this part does not offer advanced features like anti-theft pins or smart key technology. It is a functional replacement rather than an upgrade.

4. **Quality Variability** While Onthris is reputable, there is a chance of receiving a slightly lower-quality unit if purchased from a third-party seller (e.g., eBay or unverified online marketplaces). Always buy from authorized retailers or trusted suppliers to avoid counterfeit products.

5. **No Reverse Keying** Some vehicles use reverse-keying systems (where the same key opens both the driver and passenger doors). If your vehicle relies on this, you may need to purchase a matching pair or risk having one door lock not align with the key.

6. **Potential for Sticking** Like all lock cylinders, this part can develop sticking or binding over time, especially in harsh weather conditions (extreme cold or heat). Regular lubrication (with silicone-based spray) can help mitigate this.

7. **No Included Tools** The purchase does not come with specialized tools (e.g., lock pliers or extractors), which may be needed for installation, particularly if the old cylinder is stuck or corroded.

---

### **Conclusion:**

The **Onthris 312L-CKIL ignition switch lock cylinder** is a **reliable and cost-effective choice** for replacing front door lock cylinders on 2003 2006 vehicles. It strikes a balance between affordability and quality, offering durability, ease of installation, and compatibility with most applications. The brand s reputation ensures better longevity compared to no-name brands, and the warranty provides added protection.

However, potential buyers should be mindful of **key compatibility, fitment nuances, and the need for occasional maintenance**. If the vehicle has unique lock mechanisms (e.g., reverse keying or advanced security features), additional research or a pair of matching cylinders may be necessary.

For most users seeking a **direct replacement with minimal hassle**, this part is a **strong recommendation**. Those with older vehicles or complex lock systems might want to verify exact compatibility with their model before purchasing.

---

### **Final Recommendation:** **Buy the Onthris 312L-CKIL lock cylinder if:**

- You need a **direct replacement** for a front door lock cylinder on a 2003 2006 vehicle.

- You prioritize **durability, ease of installation, and brand reliability** over premium security features.

- You are prepared to **recut your key** if necessary and handle minor fitment adjustments.

- You purchase from an **authorized retailer** to avoid counterfeit products.

**Consider alternatives if:**

- Your vehicle has **unique lock mechanisms** (e.g., reverse keying) that require a matched pair.

- You need **advanced security features** (e.g., anti-pick pins) beyond standard replacement parts.

- You are uncomfortable with **DIY installation** and prefer professional fitting.

For most consumers, this part is a **practical and well-supported choice** that delivers on performance and longevity.

Details:

Fast Delivery. Include 1pc Ignition Switch Lock Cylinder,1x Left front driver side door lock cylinder, 1x Right passenger 2x keys, Mounting hardware's. Replace OE Part Number:7012945,7012945, 706592, 707835, This lock cylinder with key using durable metal materials solid construction for long lasting durability and reliability, anti rust, wear/corrosion resisting, meet your original performance. Ignition Switch Lock Cylinder Pair Front Door Cylinders for 2003 2006 Chevy Silverado Suburban GMC Sierra Yukon Cadillac Escalade,Replace OE# 7012945,707835,706592,598007:: Compatible with Escalade Avalanche 2004 2006 Tahoe H2 2003 -2007.Please see the detailed vehicle model's.

Tested certified to meet or exceed OEM quality standards. This ignition switch lock cylinder made of High quality material.

part #: 312l price

  • $39.73

specifications locsedoo:

  • brand: Onthris
  • mpn: 312l-ckil
  • model: 7012945
  • part type: Switch Lock Cylinder
  • operation mode: On-off
  • current rating: 49.98 Amps
  • operating voltage: 23.99 Volts
  • contact type: Normally Open
  • connector type: Plug In
  • switch type: Ignition Switch
  • terminal: Screw
  • circuit type: 1-way
  • mounting type: Panel Mount
  • actuator type: Ignition
  • control method: Touch
  • connectivity protocol: X-10
  • compatible with vehicle type: Truck, Suv, Van
  • control type: Full
  • compatible devices: Chevrolet Silverado
  • chevrolet suburban: 2003-2007
  • color: Silver Tone
  • item dimensions: 3.94 X 2.36 X 2.36 Inches
  • unit count: 1.0 Count
  • material type: Metal
  • contact material: Stainless Steel, Brass, Alloy Steel, Or Metal
  • warranty description: 24-month Warranty

returns locsedoo:

  • policy: No Returns

shipping locsedoo:

  • type: Fixed
  • transit: 5-9 Days
  • class: Expedited
  • cost: $0.00
  • service: Expedited

seller locsedoo:

  • city: Miami, Florida
  • # reviews: 2650
  • rating: 99.9%

offer locsedoo:

  • started: May 28, 2026
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 1

general locsedoo:

  • condition: New
  • Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms

payments locsedoo:

  • wallet: Paypal
  • credit card: Diners-club
  • other
part type: switch lock cylinder, operation mode: on-off, current rating: 49.98 amps, operating voltage: 23.99 volts, contact type: normally open, connector type: plug in, switch type: ignition switch, terminal: screw, circuit type: 1-way, mounting type: panel mount, actuator type: ignition, control method: touch, connectivity protocol: x-10, compatible with vehicle type: truck, suv, van, control type: full, compatible devices: chevrolet silverado, chevrolet suburban: 2003-2007, item dimensions: 3.94 x 2.36 x 2.36 inches, unit count: 1.0 count, material type: metal, contact material: stainless steel, brass, alloy steel, or metal, warranty description: 24-month warranty,
category: home & garden > building hardware > doors door hardware > door locks lock mechanisms, color: silver tone, sku: 15992516770434881,
locsedoo logo
1 offer $39.73 USD
  • New. Offer #1 priced at $39.73 + $0.00 shipping estimate = $39.73* total. Actuator Type: Ignition. Ignition Switch Lock Cylinder & Pair Front Door Lock Cylinders for 2003-2006 Chevy Silverado Suburban GMC Sierra Yukon Cadillac Escalade,Replace OE# ,707835,706592,598007.FREE SHIPPING

Copyright © locsedoo.com