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Standard Ignition US-21L Ignition Lock CylinderOE Quality 60-Day Returns
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Part #: US-21L

Standard Ignition US-21L Ignition Lock Cylinder

⚙️ 67 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Buick, C10 Panel, C10 Pickup, C20 Pickup, C30 Panel, C30 Pickup, K10 Pickup, K20 Pickup, 1500, 2500, G1000 Series, I1500, I2500, K15/K1500 Pickup, Electra, Gran Sport, Sportwagon, Corvair, El Camino, Suburban, 1000 Series, 1500 Series, 2500 Series, 3000, 3500, B3500, I1000, L3500, PB1000 Series, PB2500 Series, LeSabre, Riviera, Skylark, Special, Wildcat, Bel Air, Biscayne, Chevelle, Chevy II, Corvair Truck, Corvette, Impala, Malibu, P20 Series, P30 Series, Invicta, Estate Wagon, P10 Series, Brookwood, Nomad, Truck, 3B, 3C, 3D, 3E, 3F, 3G, Century, Limited, Roadmaster, Super, Del Ray, Yeoman, One-Fifty Series, Sedan Delivery, Two-Ten Series, Fleetline, Styleline Deluxe, Styleline Special, Roadmaster Series 70, Special Series 40, Super Series 50, Fleetmaster, Stylemaster Series, and Fleetline Truck
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Overview of Standard Ignition US-21L Ignition Lock Cylinder

The Standard Ignition US-21L ignition lock cylinder is a coded replacement part designed for select Buick and Chevrolet vehicles. This ignition lock cylinder comes with two keys and includes installation instructions, making it a practical choice for restoring ignition functionality in classic models.

  • Coded ignition lock cylinder for enhanced security
  • Includes two keys for convenience
  • Installation instructions provided for ease of use
  • Designed for column mounting location
  • Compatible with Buick and Chevrolet classic models

Product Details and Compatibility

This ignition lock cylinder, part number US-21L, is engineered to fit a range of Buick and Chevrolet vehicles including the Bel Air, Century, Corvette, El Camino, Impala, LeSabre, Malibu, Riviera, Roadmaster, and Skylark. The part is coded to match the original ignition system, ensuring proper operation and security. It mounts on the steering column and does not include a mounting bracket, so it is intended for direct replacement of the existing lock cylinder.

Common Applications and Problem Resolution

This ignition lock cylinder is used to replace worn or damaged ignition components in classic Buick and Chevrolet vehicles. It addresses several common issues:

  • Difficulty turning the ignition key
  • Ignition key getting stuck or not turning
  • Lost or damaged ignition keys
  • Security concerns due to worn lock cylinder
  • Ignition switch failure causing starting problems

Installation Notes and Tips

Installation of the Standard Ignition US-21L ignition lock cylinder requires removal of the steering column cover to access the existing lock cylinder. Follow the included instructions carefully to ensure proper alignment and secure mounting. Since the product does not include a mounting bracket, reuse the original bracket if applicable. Having two keys included allows for immediate use and a spare key for convenience.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The US-21L ignition lock cylinder is coded and tested for reliable performance in compatible Buick and Chevrolet models. Installation instructions are included to assist with proper setup. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandStandard Ignition
Part NumberUS-21L
CodingCoded
Instructions IncludedYes
Keys IncludedYes
Mounting Bracket(s) IncludedNo
Mounting LocationColumn

This part fits 67 vehicles. Search below:

YearMakeModelPositionNotes
1966GMCG1000 SeriesN/ALock Cylinder
1965ChevroletEl CaminoN/A
1965GMCG1000 SeriesN/A
1964BuickLeSabreN/ALock Cylinder
1964BuickRivieraN/ALock Cylinder
1964BuickSkylarkN/ALock Cylinder
1964ChevroletBel AirN/A
1964ChevroletCorvetteN/ALock Cylinder
1964ChevroletEl CaminoN/A
1964ChevroletImpalaN/A
1964ChevroletMalibuN/A
1964GMCG1000 SeriesN/A
1963BuickLeSabreN/A
1963BuickRivieraN/A
1963BuickSkylarkN/A
1963ChevroletBel AirN/ALock Cylinder
1963ChevroletCorvetteN/ALock Cylinder
1963ChevroletImpalaN/ALock Cylinder
1962BuickLeSabreN/A
1962BuickSkylarkN/A
1962ChevroletBel AirN/ALock Cylinder
1962ChevroletCorvetteN/A
1962ChevroletImpalaN/ALock Cylinder
1961BuickLeSabreN/A
1961BuickSkylarkN/A
1961ChevroletBel AirN/ALock Cylinder
1961ChevroletCorvetteN/A
1961ChevroletImpalaN/ALock Cylinder
1960BuickLeSabreN/A
1960ChevroletBel AirN/A
1960ChevroletCorvetteN/A
1960ChevroletImpalaN/A
1959BuickLeSabreN/A
1959ChevroletBel AirN/A
1959ChevroletCorvetteN/A
1959ChevroletImpalaN/A
1958BuickCenturyN/A
1958BuickRoadmasterN/A
1958ChevroletBel AirN/A
1958ChevroletCorvetteN/A
1958ChevroletImpalaN/A
1957BuickCenturyN/A
1957BuickRoadmasterN/A
1957ChevroletBel AirN/A
1957ChevroletCorvetteN/A
1956BuickCenturyN/A
1956BuickRoadmasterN/A
1956ChevroletBel AirN/A
1956ChevroletCorvetteN/A
1955BuickCenturyN/A
1955BuickRoadmasterN/A
1955ChevroletBel AirN/A
1955ChevroletCorvetteN/A
1954BuickCenturyN/A
1954BuickRoadmasterN/A
1954BuickSkylarkN/A
1954ChevroletBel AirN/A
1954ChevroletCorvetteN/A
1953BuickRoadmasterN/A
1953ChevroletBel AirN/A
1953ChevroletCorvetteN/A
1952BuickRoadmasterN/A
1952ChevroletBel AirN/A
1951BuickRoadmasterN/A
1951ChevroletBel AirN/A
1950BuickRoadmasterN/A
1950ChevroletBel AirN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13514474H101553-2760089058079989-037CS18LKS6492KS6492SBLC14210LS474UL10A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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