Brand: J&N
Type: Press-Fit Diode With Lead
Polarity: Positive
Amperage/Voltage: 25A / 50V (typical rating for this style)
Lead Type: Copper Lead with Flag Terminal
Mounting: Press-Fit, 1/2" style
Part Numbers: 171-12015, 171-12117, 185292 (interchange numbers)
Condition: New Old Stock. Clean, Unused/Unopen. May have light wear from long-term storage (mainly packaging).
This listing is for 1 single diode. 4-Pk Available in separate TommysWarehouse21 store listing
Positive 25A press-fit diode and lead kit used on many starter and alternator rectifier assemblies. This is a press-fit positive diode with the correct copper lead and flag terminal already attached. Ideal for rebuilding rectifiers, repairing diode trios, and servicing older alternator designs that use separate press-fit diodes.
New Old Stock. .
This style of positive press-fit diode is commonly used in:
Delco-Remy 10DN externally regulated alternators (used on GM Cars, GM Trucks, Industrial Equipment, Farm Equipment)
J&N 400-12002 (12V, 63A) — Positive diode position
J&N 400-12180 — Positive diode (confirm via rectifier polarity)
Delco 1100748 (12V, 37A)
Rectifier bridges (various OEM and aftermarket)
Alternator rebuilds (older Chrysler, Delco, Prestolite, Nippondenso, Motorola units depending on rectifier design)
General alternator diode replacement where a 25A press-fit POS diode is specified
Service kits calling for: 171-12015, 171-12117, 185292, or equivalent positive diodes
Because rectifier designs vary, match polarity, diameter, and lead configuration to your original part before purchasing.
171-12015
171-12117
185292
Generic Positive Press-Fit Diode (Flag Lead Type)
Direct replacement for many 25A positive positions in diode trios & rectifiers
New Old Stock. Clean, Unused/Unopen. May have light wear from long-term storage (mainly packaging).
Brand New Leads and Terminals clean and ready for installation
Press-fit surfaces are smooth and undamaged
Ships USPS Ground Advantage in a padded mailer with protective packaging.
Fast handling time. (1 business day)
I maintain a large and varied inventory of vintage and hard-to-find electrical parts, with new items added regularly. I describe items honestly, ship quickly, and pack everything with care so it reaches you safely. If you’re searching for older or uncommon parts, there's a good chance I have exactly what you need.