Swap out a frayed, brittle or broken distributor lead with the Standard Ignition Distributor Primary Lead Wire, part number DDL-21. It is a direct-fit replacement for many listed vehicles, among them the 1965-1974 Chevrolet Impala 4.6L / 5.0L / 5.3L / 5.4L / 5.7L / 6.5L / 6.6L / 6.7L / 7.0L / 7.4L and the 1967-1974 Chevrolet Camaro 4.9L / 5.0L / 5.3L / 5.4L / 5.7L / 6.5L / 6.6L / 7.0L. It is also listed as a distributor ground lead wire.
This short lead completes an electrical connection in the distributor's primary circuit. The listed applications use one lead wire.
- Length: 2 1/4 in.
- Terminals: two male blade terminals.
- Wire stranding: a high copper wire stranding count, designed for flexibility and resistance to breakage.
- Quality control: Standard Ignition is a global maker of ignition products. It controls quality throughout manufacturing, from the components to the finished product.
Standard Ignition has served the automotive aftermarket since 1919. This lead draws on decades of the company's research and development. Country of origin: Mexico.
Signs this part may need replacing: The engine cranks but won't start, stalls or misfires intermittently, or the lead is visibly frayed, cracked or broken. These symptoms can have other causes, so diagnose the ignition system before you replace parts.
The listed applications span American Motors, Buick, Cadillac, Chevrolet, GMC, Jeep and other makes. See the "Vehicles it fits" section for the full list of years, models and engines.
Interchange: DL77 · 3206674 · F815 · LW42 · 19112908 · 1932002
This part cross-references / interchanges with the following part numbers:
DL77, 3206674, F815, LW42, 19112908, 1932002
Frequently Asked Questions
What does the Standard Ignition DDL-21 do?
The DDL-21 is a short distributor lead wire that completes an electrical connection in the distributor's primary circuit on the listed applications.
How long is the DDL-21, and what terminals does it have?
The DDL-21 is 2 1/4 in. long and has two male blade terminals.
Will the DDL-21 fit my 1967-1974 Chevrolet Camaro 4.9L / 5.0L / 5.3L / 5.4L / 5.7L / 6.5L / 6.6L / 7.0L?
The 1967-1974 Chevrolet Camaro 4.9L / 5.0L / 5.3L / 5.4L / 5.7L / 6.5L / 6.6L / 7.0L is listed. Check the "Vehicles it fits" section for your exact year and engine.
Which part numbers does the DDL-21 interchange with?
The DDL-21 cross-references DL77, 3206674, F815, LW42, 19112908 and 1932002.
What are the signs of a failing distributor lead wire?
Possible signs are a crank-but-no-start, intermittent stalling or misfiring, or a visibly frayed or broken lead. These symptoms have other causes, so diagnose the ignition system first.
