Standard Ignition TL-163 Tailgate Lock Cylinder

Brand Standard Ignition TL-163
Mounting Location Trunk
Part Finish Chrome & Black
Fits Chevrolet, GMC, Oldsmobile, and Buick · 70 vehicles

OE-style replacement. Designed to fix common failure issues when original equipment fails.

Professional quality construction. Built for superior operation and installation confidence.

Chrome and black finish. Adds a clean, durable look to the lock cylinder.

Cross-references Dorman - HELP 77101, 6T1006 and 53-9701 for the same application. See all 12.

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Tailgate Lock Cylinder for GM Applications

Standard Ignition TL-163 is a tailgate lock cylinder built for GM body applications that use a trunk-mounted lock location. It features a chrome and black finish and is engineered with high-grade materials and professional-quality construction for dependable operation. This TL-163 replacement is a direct-fit solution for restoring tailgate security on select Chevrolet, GMC, Buick, and Oldsmobile vehicles.

Key Features

  • Tailgate lock cylinder for body applications
  • Chrome and black finish
  • Mounting location: trunk
  • Built with high-grade materials for installation confidence
  • Professional-quality construction for consistent operation
  • Designed to address common original equipment lock failure issues

Detailed Description

Standard Ignition TL-163 is designed for vehicles such as the Chevrolet Blazer, GMC Jimmy, and GMC Sonoma, along with other select GM models from 1982-1994. This tailgate lock cylinder is intended to restore secure rear access operation where the original lock has worn, seized, or no longer turns smoothly. The chrome and black finish provides a clean OE-style appearance while the internal construction focuses on reliable function and technician-friendly serviceability. Part number TL-163 is also cross-referenced with Dorman - HELP 77101 for the same application.

Common Issues It Can Help Solve

  • Worn or sticking tailgate lock cylinder
  • Broken key engagement at the rear hatch or tailgate
  • Loss of secure locking function on rear access panels
  • Corrosion-related lock operation problems
  • Replacement needs after original equipment failure

Installation Notes and Tips

Verify the vehicle’s rear access configuration before ordering, especially on models noted for rear window and rear hatch use. Confirm the existing lock cylinder style and mounting location match the application. For best results, compare the original part number and finish details before installation. This part number TL-163 is listed for multiple GM body applications, including Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada.

Quality Assurance

Standard Ignition uses high-grade materials and professional construction in this lock cylinder line, with product development focused on correcting common OE failure points. That engineering approach supports dependable replacement performance for select GM tailgate and rear hatch applications.

This part fits 70 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
1994ChevroletBlazerN/A
1994ChevroletS10 BlazerN/A
1994GMCJimmyN/A
1994GMCSonomaN/A
1994OldsmobileBravada4.3LV6N/ARear Window; Rear Hatch
1993ChevroletBlazerN/A
1993ChevroletS10 BlazerN/A
1993GMCJimmyN/A
1993GMCSonomaN/A
1993OldsmobileBravada4.3LV6N/ARear Window; Rear Hatch
1992ChevroletBlazerN/A
1992ChevroletS10 BlazerN/A
1992GMCJimmyN/A
1992GMCSonomaN/A
1992OldsmobileBravada4.3LV6N/ARear Window; Rear Hatch
1991ChevroletBlazerN/A
1991ChevroletS10 BlazerN/A
1991GMCJimmyN/A
1991GMCS15 JimmyN/A
1991GMCSonomaN/A
1991OldsmobileBravada4.3LV6N/ARear Window; Rear Hatch
1990ChevroletS10 BlazerN/A
1990GMCJimmyN/A
1990GMCS15 JimmyN/A
1989ChevroletS10 BlazerN/A
1989GMCJimmyN/A
1989GMCS15N/ABlack finish ignition lock cylinder.
1989GMCS15 JimmyN/A
1988ChevroletS10 BlazerN/A
1988GMCJimmyN/A
1988GMCS15N/A
1988GMCS15 JimmyN/A
1987ChevroletS10 BlazerN/A
1987GMCJimmyN/A
1987GMCS15N/A
1987GMCS15 JimmyN/A
1986ChevroletK5 Blazer6.2LV8N/ARear Window; Rear Hatch
1986ChevroletK5 Blazer5.7LV8N/ARear Window; Rear Hatch
1986ChevroletK5 Blazer5.0LV8N/ARear Window; Rear Hatch
1986ChevroletS10 BlazerN/A
1986GMCJimmyN/A
1986GMCS15N/A
1986GMCS15 JimmyN/A
1985ChevroletK5 Blazer6.2LV8N/ARear Window; Rear Hatch
1985ChevroletK5 Blazer5.7LV8N/ARear Window; Rear Hatch
1985ChevroletK5 Blazer5.0LV8N/ARear Window; Rear Hatch
1985ChevroletS10 BlazerN/A
1985GMCJimmyN/A
1985GMCS15N/A
1985GMCS15 JimmyN/A
1984ChevroletK5 Blazer6.2LV8N/ARear Window; Rear Hatch
1984ChevroletK5 Blazer5.7LV8N/ARear Window; Rear Hatch
1984ChevroletK5 Blazer5.0LV8N/ARear Window; Rear Hatch
1984ChevroletS10 BlazerN/A
1984GMCJimmyN/A
1984GMCS15N/A
1984GMCS15 JimmyN/A
1983BuickRegalWagonN/ABlack finish ignition lock cylinder.
1983ChevroletK5 Blazer6.2LV8N/ARear Window; Rear Hatch
1983ChevroletK5 Blazer5.0LV8N/ARear Window; Rear Hatch
1983ChevroletK5 Blazer5.7LV8N/ARear Window; Rear Hatch
1983ChevroletS10 BlazerN/A
1983GMCC1500 SuburbanN/A
1983GMCC2500 SuburbanN/A
1983GMCJimmyN/A
1983GMCK1500 SuburbanN/A
1983GMCK2500 SuburbanN/A
1983GMCS15N/A
1983GMCS15 JimmyN/A
1982BuickRegalWagonN/ABlack finish ignition lock cylinder.
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 771016T100653-970173523261250047719110551TL26TL42BTL15740TLK2TLK16TLK23