MSD Distributor Drive Gear P/N:85812
MSD 85834 distributor drive gear for the 1985-1996 Ford F-150 V8 5.0L and other vehicles meshes with the roller camshaft to turn the distributor. It is an OEM replacement gear.
A worn drive gear can show up as a rough idle, ignition timing that wanders or a misfire. A worn distributor shaft, cap and rotor or ignition module can be behind the same signs, so find the cause before you buy a gear. This listing is one gear, and each engine takes one.
This distributor drive gear is a replacement for the 1985-1996 Ford F-150 V8 5.0L, the 1985-1996 Ford F-250 V8 5.0L and the 1986-1995 Ford Mustang V8 5.0L. If your car is not one of these, open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
Does the MSD 85834 distributor drive gear fit the 1985-1996 Ford F-150 V8 5.0L?
Yes, MSD 85834 fits the 1985-1996 Ford F-150 V8 5.0L and the 1986-1995 Ford Mustang V8 5.0L. For other models, open the "Vehicles it fits" section and check your year and engine.
What is the inside diameter of this distributor drive gear?
The inside diameter is 0.531 in.
What does the Melonite QPQ coating on this gear do?
The Melonite QPQ coating reduces friction and initial wear. The outer hardened layer has increased thickness and measures RC 55-60.
How can I tell if a distributor drive gear is worn?
Signs can include a rough idle, wandering ignition timing or a misfire. A shop can inspect the gear teeth and the distributor to confirm.
Is MSD 85834 made for a roller cam engine?
Yes, MSD 85834 is listed for roller cam engines. It is an OEM replacement gear and is 50 state legal.
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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.