Standard Ignition D-9 alternator rectifier set for the 1987-1990 Jeep Wrangler 4-cylinder 2.5L or 6-cylinder 4.2L and other vehicles converts the alternator's AC output to DC for the battery and electrical system. If a failed rectifier is behind a charging problem, this set replaces it.
A failing rectifier can show up as a battery warning light, dim headlights or a battery that keeps going flat. A tired battery, a slipping drive belt or a faulty voltage regulator can be behind these symptoms too, so track down what is actually wrong before you order.
This listing is one set, and the 1987-1990 Jeep Wrangler 4-cylinder 2.5L or 6-cylinder 4.2L takes one. This alternator rectifier set is listed for a wide range of Buick, Chevrolet, Jeep and Pontiac models, led by the 1986 Jeep Cherokee V6 2.8L, the 1986-1987 Cherokee 4-cylinder 2.1L, the 1986-1990 Cherokee 4-cylinder 2.5L, the 1987-1990 Cherokee 6-cylinder 4.0L and the 1985 Chevrolet Impala V6 3.8L, 4.3L, V8 5.0L or 5.7L. Look up your own year and engine on the Buyer's Guide tab.
Interchange: SC112 · 8133269 · AC13 · 1975313
This part cross-references / interchanges with the following part numbers:
Will the D-9 alternator rectifier set fit the 1987-1990 Jeep Wrangler 4-cylinder 2.5L or 6-cylinder 4.2L?
Yes. Standard Ignition D-9 is listed for the 1987-1990 Jeep Wrangler 4-cylinder 2.5L or 6-cylinder 4.2L, and the Buyer's Guide tab covers the other vehicles.
Is the D-9 alternator rectifier set listed for the 1986-1990 Jeep Cherokee 4-cylinder 2.5L?
Yes. This set is listed for the 1986-1990 Jeep Cherokee 4-cylinder 2.5L, and that Cherokee takes one.
Where is the Standard Ignition D-9 alternator rectifier set made?
The country of origin is the United States.
Could dim headlights come from a failing alternator rectifier set?
Possibly. Dim headlights, a battery light on the dash or a battery that won't hold a charge can point to a charging problem, and a shop can test the charging system to find the cause.
Does Standard Ignition D-9 replace number SC112?
Yes. SC112 is one of the numbers the Standard Ignition D-9 alternator rectifier set replaces; the Interchange line lists the others.
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.
