Route high-voltage spark cleanly to each spark plug wire with the Standard Ignition Distributor Cap JH-138. It is a direct-fit replacement for the 1987-1988 Chevrolet Sprint, 1987-1988 Pontiac Firefly, and 1987-1988 Suzuki Forsa. See the Buyer's Guide tab for engine-specific details.
The distributor cap holds the terminals that carry ignition voltage from the rotor out to each spark plug wire. Standard Ignition is a global manufacturer of original equipment ignition products and maintains complete quality control throughout manufacturing, from componentry to the finished product.
Signs that a distributor cap may need replacing include cracks, carbon tracks, or corroded terminals found on inspection, along with misfires or hard starting. Those symptoms can have other causes, so diagnose the ignition system before replacing parts. If a worn cap is the cause, this part replaces it.
Interchange: C678 · DR948 · EP779 · 12353024 · 96056628 · 3332186240
This part cross-references / interchanges with the following part numbers:
Which vehicles does the Standard Ignition JH-138 distributor cap fit?
It is listed for the 1987-1988 Chevrolet Sprint, 1987-1988 Pontiac Firefly, and 1987-1988 Suzuki Forsa. See the Buyer's Guide tab for engine details.
What is the JH-138 cap made of?
It is made from high dielectric strength, glass/mineral reinforced polyester resin. The material is designed for less carbon tracking and greater resistance to electrical breakdown.
Do Standard Ignition caps use brass terminals and RFI resistors?
Standard Ignition uses solid brass terminals where available, for resistance to pitting and corrosion. RFI resistors are used where specified, to help suppress radio static.
What are signs a distributor cap may need replacing?
Cracks, carbon tracking, or corroded terminals, along with misfires or hard starting, can be signs of a worn cap. These symptoms can have other causes, so diagnose the ignition system first.
What part numbers does the JH-138 interchange with?
It cross-references to C678, DR948, EP779, 12353024, 96056628, and 3332186240.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
